wanNingTaiQiu/client/laya/release/newTable/libs/laya.physics.js

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box2d.b2Mul_M22_V2(o,t,e);if(o instanceof box2d.b2Mat22&&t instanceof box2d.b2Mat22&&e instanceof box2d.b2Mat22)return box2d.b2Mul_M22_M22(o,t,e);if(o instanceof box2d.b2Mat33&&t instanceof box2d.b2Vec3&&e instanceof box2d.b2Vec3)return box2d.b2Mul_M33_V3(o,t,e);if(o instanceof box2d.b2Rot&&t instanceof box2d.b2Rot&&e instanceof box2d.b2Rot)return box2d.b2Mul_R_R(o,t,e);if(o instanceof box2d.b2Rot&&t instanceof box2d.b2Vec2&&e instanceof box2d.b2Vec2)return box2d.b2Mul_R_V2(o,t,e);if(o instanceof box2d.b2Transform&&t instanceof box2d.b2Vec2&&e instanceof box2d.b2Vec2)return box2d.b2Mul_X_V2(o,t,e);if(o instanceof box2d.b2Transform&&t instanceof box2d.b2Transform&&e instanceof box2d.b2Transform)return box2d.b2Mul_X_X(o,t,e);throw Error()},goog.exportSymbol("box2d.b2Mul",box2d.b2Mul),box2d.b2Mul22=function(o,t,e){if(o instanceof box2d.b2Mat33&&t instanceof box2d.b2Vec2)return box2d.b2Mul22_M33_V2(o,t,e);throw Error()},goog.exportSymbol("box2d.b2Mul22",box2d.b2Mul22),box2d.b2MulT=function(o,t,e){if(o instanceof box2d.b2Mat22&&t instanceof box2d.b2Vec2&&e instanceof box2d.b2Vec2)return box2d.b2MulT_M22_V2(o,t,e);if(o instanceof box2d.b2Mat22&&t instanceof box2d.b2Mat22&&e instanceof box2d.b2Mat22)return box2d.b2MulT_M22_M22(o,t,e);if(o instanceof box2d.b2Rot&&t instanceof box2d.b2Rot&&e instanceof box2d.b2Rot)return box2d.b2MulT_R_R(o,t,e);if(o instanceof box2d.b2Rot&&t instanceof box2d.b2Vec2&&e instanceof box2d.b2Vec2)return box2d.b2MulT_R_V2(o,t,e);if(o instanceof box2d.b2Transform&&t instanceof box2d.b2Vec2&&e instanceof box2d.b2Vec2)return box2d.b2MulT_X_V2(o,t,e);if(o instanceof box2d.b2Transform&&t instanceof box2d.b2Transform&&e instanceof box2d.b2Transform)return box2d.b2MulT_X_X(o,t,e);throw Error()},goog.exportSymbol("box2d.b2MulT",box2d.b2MulT),box2d.b2DistanceProxy=function(){this.m_buffer=box2d.b2Vec2.MakeArray(2)},goog.exportSymbol("box2d.b2DistanceProxy",box2d.b2DistanceProxy),box2d.b2DistanceProxy.prototype.m_buffer=null,goog.exportProperty(box2d.b2DistanceProxy.prototype,"m_buffer",box2d.b2DistanceProxy.prototype.m_buffer),box2d.b2DistanceProxy.prototype.m_vertices=null,goog.exportProperty(box2d.b2DistanceProxy.prototype,"m_vertices",box2d.b2DistanceProxy.prototype.m_vertices),box2d.b2DistanceProxy.prototype.m_count=0,goog.exportProperty(box2d.b2DistanceProxy.prototype,"m_count",box2d.b2DistanceProxy.prototype.m_count),box2d.b2DistanceProxy.prototype.m_radius=0,goog.exportProperty(box2d.b2DistanceProxy.prototype,"m_radius",box2d.b2DistanceProxy.prototype.m_radius),box2d.b2DistanceProxy.prototype.Reset=function(){return this.m_vertices=null,this.m_radius=this.m_count=0,this},goog.exportProperty(box2d.b2DistanceProxy.prototype,"Reset",box2d.b2DistanceProxy.prototype.Reset),box2d.b2DistanceProxy.prototype.SetShape=function(o,t){o.SetupDistanceProxy(this,t)},goog.exportProperty(box2d.b2DistanceProxy.prototype,"SetShape",box2d.b2DistanceProxy.prototype.SetShape),box2d.b2DistanceProxy.prototype.GetSupport=function(o){for(var t=0,e=box2d.b2Dot_V2_V2(this.m_vertices[0],o),r=1;r<this.m_count;++r){var i=box2d.b2Dot_V2_V2(this.m_vertices[r],o);i>e&&(t=r,e=i)}return t},goog.exportProperty(box2d.b2DistanceProxy.prototype,"GetSupport",box2d.b2DistanceProxy.prototype.GetSupport),box2d.b2DistanceProxy.prototype.GetSupportVertex=function(o,t){for(var e=0,r=box2d.b2Dot_V2_V2(this.m_vertices[0],o),i=1;i<this.m_count;++i){var b=box2d.b2Dot_V2_V2(this.m_vertices[i],o);b>r&&(e=i,r=b)}return 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box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<=o&&o<this.m_count),this.m_vertices[o]},goog.exportProperty(box2d.b2DistanceProxy.prototype,"GetVertex",box2d.b2DistanceProxy.prototype.GetVertex),box2d.b2SimplexCache=function(){this.indexA=box2d.b2MakeNumberArray(3),this.indexB=box2d.b2MakeNumberArray(3)},goog.exportSymbol("box2d.b2SimplexCache",box2d.b2SimplexCache),box2d.b2SimplexCache.prototype.metric=0,goog.exportProperty(box2d.b2SimplexCache.prototype,"metric",box2d.b2SimplexCache.prototype.metric),box2d.b2SimplexCache.prototype.count=0,goog.exportProperty(box2d.b2SimplexCache.prototype,"count",box2d.b2SimplexCache.prototype.count),box2d.b2SimplexCache.prototype.indexA=null,goog.exportProperty(box2d.b2SimplexCache.prototype,"indexA",box2d.b2SimplexCache.prototype.indexA),box2d.b2SimplexCache.prototype.indexB=null,goog.exportProperty(box2d.b2SimplexCache.prototype,"indexB",box2d.b2SimplexCache.prototype.indexB),box2d.b2SimplexCache.prototype.Reset=function(){return this.count=this.metric=0,this},goog.exportProperty(box2d.b2SimplexCache.prototype,"Reset",box2d.b2SimplexCache.prototype.Reset),box2d.b2DistanceInput=function(){this.proxyA=new box2d.b2DistanceProxy,this.proxyB=new box2d.b2DistanceProxy,this.transformA=new box2d.b2Transform,this.transformB=new box2d.b2Transform},goog.exportSymbol("box2d.b2DistanceInput",box2d.b2DistanceInput),box2d.b2DistanceInput.prototype.proxyA=null,goog.exportProperty(box2d.b2DistanceInput.prototype,"proxyA",box2d.b2DistanceInput.prototype.proxyA),box2d.b2DistanceInput.prototype.proxyB=null,goog.exportProperty(box2d.b2DistanceInput.prototype,"proxyB",box2d.b2DistanceInput.prototype.proxyB),box2d.b2DistanceInput.prototype.transformA=null,goog.exportProperty(box2d.b2DistanceInput.prototype,"transformA",box2d.b2DistanceInput.prototype.transformA),box2d.b2DistanceInput.prototype.transformB=null,goog.exportProperty(box2d.b2DistanceInput.prototype,"transformB",box2d.b2DistanceInput.prototype.transformB),box2d.b2DistanceInput.prototype.useRadii=!1,goog.exportProperty(box2d.b2DistanceInput.prototype,"useRadii",box2d.b2DistanceInput.prototype.useRadii),box2d.b2DistanceInput.prototype.Reset=function(){return this.proxyA.Reset(),this.proxyB.Reset(),this.transformA.SetIdentity(),this.transformB.SetIdentity(),this.useRadii=!1,this},goog.exportProperty(box2d.b2DistanceInput.prototype,"Reset",box2d.b2DistanceInput.prototype.Reset),box2d.b2DistanceOutput=function(){this.pointA=new box2d.b2Vec2,this.pointB=new box2d.b2Vec2},goog.exportSymbol("box2d.b2DistanceOutput",box2d.b2DistanceOutput),box2d.b2DistanceOutput.prototype.pointA=null,goog.exportProperty(box2d.b2DistanceOutput.prototype,"pointA",box2d.b2DistanceOutput.prototype.pointA),box2d.b2DistanceOutput.prototype.pointB=null,goog.exportProperty(box2d.b2DistanceOutput.prototype,"pointB",box2d.b2DistanceOutput.prototype.pointB),box2d.b2DistanceOutput.prototype.distance=0,goog.exportProperty(box2d.b2DistanceOutput.prototype,"distance",box2d.b2DistanceOutput.prototype.distance),box2d.b2DistanceOutput.prototype.iterations=0,goog.exportProperty(box2d.b2DistanceOutput.prototype,"iterations",box2d.b2DistanceOutput.prototype.iterations),box2d.b2DistanceOutput.prototype.Reset=function(){return this.pointA.SetZero(),this.pointB.SetZero(),this.iterations=this.distance=0,this},goog.exportProperty(box2d.b2DistanceOutput.prototype,"Reset",box2d.b2DistanceOutput.prototype.Reset),box2d.b2_gjkCalls=0,goog.exportSymbol("box2d.b2_gjkCalls",box2d.b2_gjkCalls),box2d.b2_gjkIters=0,goog.exportSymbol("box2d.b2_gjkIters",box2d.b2_gjkIters),box2d.b2_gjkMaxIters=0,goog.exportSymbol("box2d.b2_gjkMaxIters",box2d.b2_gjkMaxIters),box2d.b2SimplexVertex=function(){this.wA=new box2d.b2Vec2,this.wB=new box2d.b2Vec2,this.w=new box2d.b2Vec2},goog.exportSymbol("box2d.b2SimplexVertex",box2d.b2SimplexVertex),box2d.b2SimplexVertex.prototype.wA=null,goog.exportProperty(box2d.b2SimplexVertex.prototype,"wA",box2d.b2SimplexVertex.prototype.wA),box2d.b2SimplexVertex.prototype.wB=null,goog.exportProperty(box2d.b2SimplexVertex.prototype,"wB",box2d.b2SimplexVertex.prototype.wB),box2d.b2SimplexVertex.prototype.w=null,goog.exportProperty(box2d.b2SimplexVertex.prototype,"w",box2d.b2SimplexVertex.prototype.w),box2d.b2SimplexVertex.prototype.a=0,goog.exportProperty(box2d.b2SimplexVertex.prototype,"a",box2d.b2SimplexVertex.prototype.a),box2d.b2SimplexVertex.prototype.indexA=0,goog.exportProperty(box2d.b2SimplexVertex.prototype,"indexA",box2d.b2SimplexVertex.prototype.indexA),box2d.b2SimplexVertex.prototype.indexB=0,goog.exportProperty(box2d.b2SimplexVertex.prototype,"indexB",box2d.b2SimplexVertex.prototype.indexB),box2d.b2SimplexVertex.prototype.Copy=function(o){return this.wA.Copy(o.wA),this.wB.Copy(o.wB),this.w.Copy(o.w),this.a=o.a,this.indexA=o.indexA,this.indexB=o.indexB,this},goog.exportProperty(box2d.b2SimplexVertex.prototype,"Copy",box2d.b2SimplexVertex.prototype.Copy),box2d.b2Simplex=function(){this.m_v1=new box2d.b2SimplexVertex,this.m_v2=new box2d.b2SimplexVertex,this.m_v3=new box2d.b2SimplexVertex,this.m_vertices=Array(3),this.m_vertices[0]=this.m_v1,this.m_vertices[1]=this.m_v2,this.m_vertices[2]=this.m_v3},goog.exportSymbol("box2d.b2Simplex",box2d.b2Simplex),box2d.b2Simplex.prototype.m_v1=null,goog.exportProperty(box2d.b2Simplex.prototype,"m_v1",box2d.b2Simplex.prototype.m_v1),box2d.b2Simplex.prototype.m_v2=null,goog.exportProperty(box2d.b2Simplex.prototype,"m_v2",box2d.b2Simplex.prototype.m_v2),box2d.b2Simplex.prototype.m_v3=null,goog.exportProperty(box2d.b2Simplex.prototype,"m_v3",box2d.b2Simplex.prototype.m_v3),box2d.b2Simplex.prototype.m_vertices=null,goog.exportProperty(box2d.b2Simplex.prototype,"m_vertices",box2d.b2Simplex.prototype.m_vertices),box2d.b2Simplex.prototype.m_count=0,goog.exportProperty(box2d.b2Simplex.prototype,"m_count",box2d.b2Simplex.prototype.m_count),box2d.b2Simplex.prototype.ReadCache=function(o,t,e,r,i){box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<=o.count&&3>=o.count),this.m_count=o.count;for(var b=this.m_vertices,n=0;n<this.m_count;++n){var p=b[n];p.indexA=o.indexA[n],p.indexB=o.indexB[n];var s=t.GetVertex(p.indexA),a=r.GetVertex(p.indexB);box2d.b2Mul_X_V2(e,s,p.wA),box2d.b2Mul_X_V2(i,a,p.wB),box2d.b2Sub_V2_V2(p.wB,p.wA,p.w),p.a=0}1<this.m_count&&(o=o.metric,(n=this.GetMetric())<.5*o||2*o<n||n<box2d.b2_epsilon)&&(this.m_count=0),0===this.m_count&&((p=b[0]).indexA=0,p.indexB=0,s=t.GetVertex(0),a=r.GetVertex(0),box2d.b2Mul_X_V2(e,s,p.wA),box2d.b2Mul_X_V2(i,a,p.wB),box2d.b2Sub_V2_V2(p.wB,p.wA,p.w),this.m_count=p.a=1)},goog.exportProperty(box2d.b2Simplex.prototype,"ReadCache",box2d.b2Simplex.prototype.ReadCache),box2d.b2Simplex.prototype.WriteCache=function(o){o.metric=this.GetMetric(),o.count=this.m_count;for(var t=this.m_vertices,e=0;e<this.m_count;++e)o.indexA[e]=t[e].indexA,o.indexB[e]=t[e].indexB},goog.exportProperty(box2d.b2Simplex.prototype,"WriteCache",box2d.b2Simplex.prototype.WriteCache),box2d.b2Simplex.prototype.GetSearchDirection=function(o){switch(this.m_count){case 1:return o.Copy(this.m_v1.w).SelfNeg();case 2:var t=box2d.b2Sub_V2_V2(this.m_v2.w,this.m_v1.w,o);return 0<box2d.b2Cross_V2_V2(t,box2d.b2Vec2.s_t0.Copy(this.m_v1.w).SelfNeg())?box2d.b2Cross_S_V2(1,t,o):box2d.b2Cross_V2_S(t,1,o);default:return box2d.ENABLE_ASSERTS&&box2d.b2Assert(!1),o.SetZero()}},goog.exportProperty(box2d.b2Simplex.prototype,"GetSearchDirection",box2d.b2Simplex.prototype.GetSearchDirection),box2d.b2Simplex.prototype.GetClosestPoint=function(o){switch(this.m_count){case 0:return box2d.ENABLE_ASSERTS&&box2d.b2Assert(!1),o.SetZero();case 1:return o.Copy(this.m_v1.w);case 2:return o.Set(this.m_v1.a*this.m_v1.w.x+this.m_v2.a*this.m_v2.w.x,this.m_v1.a*this.m_v1.w.y+this.m_v2.a*this.m_v2.w.y);case 3:return o.SetZero();default:return box2d.ENABLE_ASSERTS&&box2d.b2Assert(!1),o.SetZero()}},goog.exportProperty(box2d.b2Simplex.prototype,"GetClosestPoint",box2d.b2Simplex.prototype.GetClosestPoint),box2d.b2Simplex.prototype.GetWitnessPoints=function(o,t){switch(this.m_count){case 0:box2d.ENABLE_ASSERTS&&box2d.b2Assert(!1);break;case 1:o.Copy(this.m_v1.wA),t.Copy(this.m_v1.wB);break;case 2:o.x=this.m_v1.a*this.m_v1.wA.x+this.m_v2.a*this.m_v2.wA.x,o.y=this.m_v1.a*this.m_v1.wA.y+this.m_v2.a*this.m_v2.wA.y,t.x=this.m_v1.a*this.m_v1.wB.x+this.m_v2.a*this.m_v2.wB.x,t.y=this.m_v1.a*this.m_v1.wB.y+this.m_v2.a*this.m_v2.wB.y;break;case 3:t.x=o.x=this.m_v1.a*this.m_v1.wA.x+this.m_v2.a*this.m_v2.wA.x+this.m_v3.a*this.m_v3.wA.x,t.y=o.y=this.m_v1.a*this.m_v1.wA.y+this.m_v2.a*this.m_v2.wA.y+this.m_v3.a*this.m_v3.wA.y;break;default:box2d.ENABLE_ASSERTS&&box2d.b2Assert(!1)}},goog.exportProperty(box2d.b2Simplex.prototype,"GetWitnessPoints",box2d.b2Simplex.prototype.GetWitnessPoints),box2d.b2Simplex.prototype.GetMetric=function(){switch(this.m_count){case 0:return box2d.ENABLE_ASSERTS&&box2d.b2Assert(!1),0;case 1:return 0;case 2:return box2d.b2Distance(this.m_v1.w,this.m_v2.w);case 3:return box2d.b2Cross_V2_V2(box2d.b2Sub_V2_V2(this.m_v2.w,this.m_v1.w,box2d.b2Vec2.s_t0),box2d.b2Sub_V2_V2(this.m_v3.w,this.m_v1.w,box2d.b2Vec2.s_t1));default:return box2d.ENABLE_ASSERTS&&box2d.b2Assert(!1),0}},goog.exportProperty(box2d.b2Simplex.prototype,"GetMetric",box2d.b2Simplex.prototype.GetMetric),box2d.b2Simplex.prototype.Solve2=function(){var o=this.m_v1.w,t=this.m_v2.w,e=box2d.b2Sub_V2_V2(t,o,box2d.b2Simplex.s_e12);0>=(o=-box2d.b2Dot_V2_V2(o,e))?this.m_count=this.m_v1.a=1:0>=(t=box2d.b2Dot_V2_V2(t,e))?(this.m_count=this.m_v2.a=1,this.m_v1.Copy(this.m_v2)):(e=1/(t+o),this.m_v1.a=t*e,this.m_v2.a=o*e,this.m_count=2)},goog.exportProperty(box2d.b2Simplex.prototype,"Solve2",box2d.b2Simplex.prototype.Solve2),box2d.b2Simplex.prototype.Solve3=function(){var o=this.m_v1.w,t=this.m_v2.w,e=this.m_v3.w,r=box2d.b2Sub_V2_V2(t,o,box2d.b2Simplex.s_e12),i=box2d.b2Dot_V2_V2(o,r),b=box2d.b2Dot_V2_V2(t,r),n=(i=-i,box2d.b2Sub_V2_V2(e,o,box2d.b2Simplex.s_e13)),p=box2d.b2Dot_V2_V2(o,n),s=box2d.b2Dot_V2_V2(e,n),a=(p=-p,box2d.b2Sub_V2_V2(e,t,box2d.b2Simplex.s_e23)),d=box2d.b2Dot_V2_V2(t,a);a=box2d.b2Dot_V2_V2(e,a),d=-d,r=(n=box2d.b2Cross_V2_V2(r,n))*box2d.b2Cross_V2_V2(t,e),e=n*box2d.b2Cross_V2_V2(e,o),o=n*box2d.b2Cross_V2_V2(o,t);0>=i&&0>=p?this.m_count=this.m_v1.a=1:0<b&&0<i&&0>=o?(s=1/(b+i),this.m_v1.a=b*s,this.m_v2.a=i*s,this.m_count=2):0<s&&0<p&&0>=e?(b=1/(s+p),this.m_v1.a=s*b,this.m_v3.a=p*b,this.m_count=2,this.m_v2.Copy(this.m_v3)):0>=b&&0>=d?(this.m_count=this.m_v2.a=1,this.m_v1.Copy(this.m_v2)):0>=s&&0>=a?(this.m_count=this.m_v3.a=1,this.m_v1.Copy(this.m_v3)):0<a&&0<d&&0>=r?(b=1/(a+d),this.m_v2.a=a*b,this.m_v3.a=d*b,this.m_count=2,this.m_v1.Copy(this.m_v3)):(b=1/(r+e+o),this.m_v1.a=r*b,this.m_v2.a=e*b,this.m_v3.a=o*b,this.m_count=3)},goog.exportProperty(box2d.b2Simplex.prototype,"Solve3",box2d.b2Simplex.prototype.Solve3),box2d.b2Simplex.s_e12=new box2d.b2Vec2,box2d.b2Simplex.s_e13=new box2d.b2Vec2,box2d.b2Simplex.s_e23=new box2d.b2Vec2,box2d.b2ShapeDistance=function(o,t,e){++box2d.b2_gjkCalls;var r=e.proxyA,i=e.proxyB,b=e.transformA,n=e.transformB,p=box2d.b2Distance.s_simplex;p.ReadCache(t,r,b,i,n);for(var s=p.m_vertices,a=box2d.b2Distance.s_saveA,d=box2d.b2Distance.s_saveB,l=0,x=0;20>x;){l=p.m_count;for(var y=0;y<l;++y)a[y]=s[y].indexA,d[y]=s[y].indexB;switch(p.m_count){case 1:break;case 2:p.Solve2();break;case 3:p.Solve3();break;default:box2d.ENABLE_ASSERTS&&box2d.b2Assert(!1)}if(3===p.m_count)break;var c=p.GetClosestPoint(box2d.b2Distance.s_p);if(c.LengthSquared(),(y=p.GetSearchDirection(box2d.b2Distance.s_d)).LengthSquared()<box2d.b2_epsilon_sq)break;(c=s[p.m_count]).indexA=r.GetSupport(box2d.b2MulT_R_V2(b.q,box2d.b2Vec2.s_t0.Copy(y).SelfNeg(),box2d.b2Distance.s_supportA)),box2d.b2Mul_X_V2(b,r.GetVertex(c.indexA),c.wA),c.indexB=i.GetSupport(box2d.b2MulT_R_V2(n.q,y,box2d.b2Distance.s_supportB)),box2d.b2Mul_X_V2(n,i.GetVertex(c.indexB),c.wB),box2d.b2Sub_V2_V2(c.wB,c.wA,c.w),++x,++box2d.b2_gjkIters;var _=!1;for(y=0;y<l;++y)if(c.indexA===a[y]&&c.indexB===d[y]){_=!0;break}if(_)break;++p.m_count}box2d.b2_gjkMaxIters=box2d.b2Max(box2d.b2_gjkMaxIters,x),p.GetWitnessPoints(o.pointA,o.pointB),o.distance=box2d.b2Distance(o.pointA,o.pointB),o.iterations=x,p.WriteCache(t),e.useRadii&&(t=r.m_radius,i=i.m_radius,o.distance>t+i&&o.distance>box2d.b2_epsilon?(o.distance-=t+i,(e=box2d.b2Sub_V2_V2(o.pointB,o.pointA,box2d.b2Distance.s_normal)).Normalize(),o.pointA.SelfMulAdd(t,e),o.pointB.SelfMulSub(i,e)):(c=box2d.b2Mid_V2_V2(o.pointA,o.pointB,box2d.b2Distance.s_p),o.pointA.Copy(c),o.pointB.Copy(c),o.distance=0))},goog.exportSymbol("box2d.b2ShapeDistance",box2d.b2ShapeDistance),box2d.b2Distance.s_simplex=new box2d.b2Simplex,box2d.b2Distance.s_saveA=box2d.b2MakeNumberArray(3),box2d.b2Distance.s_saveB=box2d.b2MakeNumberArray(3),box2d.b2Distance.s_p=new box2d.b2Vec2,box2d.b2Distance.s_d=new box2d.b2Vec2,box2d.b2Distance.s_normal=new box2d.b2Vec2,box2d.b2Distance.s_supportA=new box2d.b2Vec2,box2d.b2Distance.s_supportB=new box2d.b2Vec2,box2d.b2Collision={},box2d.b2ContactFeatureType={e_vertex:0,e_face:1},goog.exportSymbol("box2d.b2ContactFeatureType",box2d.b2ContactFeatureType),goog.exportProperty(box2d.b2ContactFeatureType,"e_vertex",box2d.b2ContactFeatureType.e_vertex),goog.exportProperty(box2d.b2ContactFeatureType,"e_face",box2d.b2ContactFeatureType.e_face),box2d.b2ContactFeature=function(){},goog.exportSymbol("box2d.b2ContactFeature",box2d.b2ContactFeature),box2d.b2ContactFeature.prototype._key=0,goog.exportProperty(box2d.b2ContactFeature.prototype,"_key",box2d.b2ContactFeature.prototype._key),box2d.b2ContactFeature.prototype._key_invalid=!1,goog.exportProperty(box2d.b2ContactFeature.prototype,"_key_invalid",box2d.b2ContactFeature.prototype._key_invalid),box2d.b2ContactFeature.prototype._indexA=0,goog.exportProperty(box2d.b2ContactFeature.prototype,"_indexA",box2d.b2ContactFeature.prototype._indexA),box2d.b2ContactFeature.prototype._indexB=0,goog.exportProperty(box2d.b2ContactFeature.prototype,"_indexB",box2d.b2ContactFeature.prototype._indexB),box2d.b2ContactFeature.prototype._typeA=0,goog.exportProperty(box2d.b2ContactFeature.prototype,"_typeA",box2d.b2ContactFeature.prototype._typeA),box2d.b2ContactFeature.prototype._typeB=0,goog.exportProperty(box2d.b2ContactFeature.prototype,"_typeB",box2d.b2ContactFeature.prototype._typeB),Object.defineProperty(box2d.b2ContactFeature.prototype,"key",{enumerable:!1,configurable:!0,get:function(){return this._key_invalid&&(this._key_invalid=!1,this._key=this._indexA|this._indexB<<8|this._typeA<<16|this._typeB<<24),this._key},set:function(o){this._key=o,this._indexA=255&this._key,this._indexB=this._key>>8&255,this._typeA=this._key>>16&255,this._typeB=this._key>>24&255}}),Object.defineProperty(box2d.b2ContactFeature.prototype,"indexA",{enumerable:!1,configurable:!0,get:function(){return this._indexA},set:function(o){this._indexA=o,this._key_invalid=!0}}),Object.defineProperty(box2d.b2ContactFeature.prototype,"indexB",{enumerable:!1,configurable:!0,get:function(){return this._indexB},set:function(o){this._indexB=o,this._key_invalid=!0}}),Object.defineProperty(box2d.b2ContactFeature.prototype,"typeA",{enumerable:!1,configurable:!0,get:function(){return this._typeA},set:function(o){this._typeA=o,this._key_invalid=!0}}),Object.defineProperty(box2d.b2ContactFeature.prototype,"typeB",{enumerable:!1,configurable:!0,get:function(){return this._typeB},set:function(o){this._typeB=o,this._key_invalid=!0}}),box2d.b2ContactID=function(){this.cf=new box2d.b2ContactFeature},goog.exportSymbol("box2d.b2ContactID",box2d.b2ContactID),box2d.b2ContactID.prototype.cf=null,goog.exportProperty(box2d.b2ContactID.prototype,"cf",box2d.b2ContactID.prototype.cf),box2d.b2ContactID.prototype.key=0,goog.exportProperty(box2d.b2ContactID.prototype,"key",box2d.b2ContactID.prototype.key),Object.defineProperty(box2d.b2ContactID.prototype,"key",{enumerable:!1,configurable:!0,get:function(){return this.cf.key},set:function(o){this.cf.key=o}}),box2d.b2ContactID.prototype.Copy=function(o){return this.key=o.key,this},goog.exportProperty(box2d.b2ContactID.prototype,"Copy",box2d.b2ContactID.prototype.Copy),box2d.b2ContactID.prototype.Clone=function(){return(new box2d.b2ContactID).Copy(this)},goog.exportProperty(box2d.b2ContactID.prototype,"Clone",box2d.b2ContactID.prototype.Clone),box2d.b2ManifoldPoint=function(){this.localPoint=new box2d.b2Vec2,this.id=new box2d.b2ContactID},goog.exportSymbol("box2d.b2ManifoldPoint",box2d.b2ManifoldPoint),box2d.b2ManifoldPoint.prototype.localPoint=null,goog.exportProperty(box2d.b2ManifoldPoint.prototype,"localPoint",box2d.b2ManifoldPoint.prototype.localPoint),box2d.b2ManifoldPoint.prototype.normalImpulse=0,goog.exportProperty(box2d.b2ManifoldPoint.prototype,"normalImpulse",box2d.b2ManifoldPoint.prototype.normalImpulse),box2d.b2ManifoldPoint.prototype.tangentImpulse=0,goog.exportProperty(box2d.b2ManifoldPoint.prototype,"tangentImpulse",box2d.b2ManifoldPoint.prototype.tangentImpulse),box2d.b2ManifoldPoint.prototype.id=null,goog.exportProperty(box2d.b2ManifoldPoint.prototype,"id",box2d.b2ManifoldPoint.prototype.id),box2d.b2ManifoldPoint.MakeArray=function(o){return box2d.b2MakeArray(o,function(o){return new box2d.b2ManifoldPoint})},goog.exportProperty(box2d.b2ManifoldPoint,"MakeArray",box2d.b2ManifoldPoint.MakeArray),box2d.b2ManifoldPoint.prototype.Reset=function(){this.localPoint.SetZero(),this.tangentImpulse=this.normalImpulse=0,this.id.key=0},goog.exportProperty(box2d.b2ManifoldPoint.prototype,"Reset",box2d.b2ManifoldPoint.prototype.Reset);box2d.b2ManifoldPoint.prototype.Copy=function(o){return this.localPoint.Copy(o.localPoint),this.normalImpulse=o.normalImpulse,this.tangentImpulse=o.tangentImpulse,this.id.Copy(o.id),this},goog.exportProperty(box2d.b2ManifoldPoint.prototype,"Copy",box2d.b2ManifoldPoint.prototype.Copy),box2d.b2ManifoldType={e_unknown:-1,e_circles:0,e_faceA:1,e_faceB:2},goog.exportSymbol("box2d.b2ManifoldType",box2d.b2ManifoldType),goog.exportProperty(box2d.b2ManifoldType,"e_unknown",box2d.b2ManifoldType.e_unknown),goog.exportProperty(box2d.b2ManifoldType,"e_circles",box2d.b2ManifoldType.e_circles),goog.exportProperty(box2d.b2ManifoldType,"e_faceA",box2d.b2ManifoldType.e_faceA),goog.exportProperty(box2d.b2ManifoldType,"e_faceB",box2d.b2ManifoldType.e_faceB),box2d.b2Manifold=function(){this.points=box2d.b2ManifoldPoint.MakeArray(box2d.b2_maxManifoldPoints),this.localNormal=new box2d.b2Vec2,this.localPoint=new box2d.b2Vec2,this.type=box2d.b2ManifoldType.e_unknown,this.pointCount=0},goog.exportSymbol("box2d.b2Manifold",box2d.b2Manifold),box2d.b2Manifold.prototype.points=null,goog.exportProperty(box2d.b2Manifold.prototype,"points",box2d.b2Manifold.prototype.points),box2d.b2Manifold.prototype.localNormal=null,goog.exportProperty(box2d.b2Manifold.prototype,"localNormal",box2d.b2Manifold.prototype.localNormal),box2d.b2Manifold.prototype.localPoint=null,goog.exportProperty(box2d.b2Manifold.prototype,"localPoint",box2d.b2Manifold.prototype.localPoint),box2d.b2Manifold.prototype.type=box2d.b2ManifoldType.e_unknown,goog.exportProperty(box2d.b2Manifold.prototype,"type",box2d.b2Manifold.prototype.type),box2d.b2Manifold.prototype.pointCount=0,goog.exportProperty(box2d.b2Manifold.prototype,"pointCount",box2d.b2Manifold.prototype.pointCount),box2d.b2Manifold.prototype.Reset=function(){for(var o=0,t=box2d.b2_maxManifoldPoints;o<t;++o)this.points[o].Reset();this.localNormal.SetZero(),this.localPoint.SetZero(),this.type=box2d.b2ManifoldType.e_unknown,this.pointCount=0},goog.exportProperty(box2d.b2Manifold.prototype,"Reset",box2d.b2Manifold.prototype.Reset),box2d.b2Manifold.prototype.Copy=function(o){this.pointCount=o.pointCount;for(var t=0,e=box2d.b2_maxManifoldPoints;t<e;++t)this.points[t].Copy(o.points[t]);return this.localNormal.Copy(o.localNormal),this.localPoint.Copy(o.localPoint),this.type=o.type,this},goog.exportProperty(box2d.b2Manifold.prototype,"Copy",box2d.b2Manifold.prototype.Copy),box2d.b2Manifold.prototype.Clone=function(){return(new box2d.b2Manifold).Copy(this)},goog.exportProperty(box2d.b2Manifold.prototype,"Clone",box2d.b2Manifold.prototype.Clone),box2d.b2WorldManifold=function(){this.normal=new box2d.b2Vec2,this.points=box2d.b2Vec2.MakeArray(box2d.b2_maxManifoldPoints),this.separations=box2d.b2MakeNumberArray(box2d.b2_maxManifoldPoints)},goog.exportSymbol("box2d.b2WorldManifold",box2d.b2WorldManifold),box2d.b2WorldManifold.prototype.normal=null,goog.exportProperty(box2d.b2WorldManifold.prototype,"normal",box2d.b2WorldManifold.prototype.normal),box2d.b2WorldManifold.prototype.points=null,goog.exportProperty(box2d.b2WorldManifold.prototype,"points",box2d.b2WorldManifold.prototype.points),box2d.b2WorldManifold.prototype.separations=null,goog.exportProperty(box2d.b2WorldManifold.prototype,"separations",box2d.b2WorldManifold.prototype.separations),box2d.b2WorldManifold.prototype.Initialize=function(o,t,e,r,i){if(0!==o.pointCount)switch(o.type){case box2d.b2ManifoldType.e_circles:this.normal.Set(1,0),t=box2d.b2Mul_X_V2(t,o.localPoint,box2d.b2WorldManifold.prototype.Initialize.s_pointA),o=box2d.b2Mul_X_V2(r,o.points[0].localPoint,box2d.b2WorldManifold.prototype.Initialize.s_pointB),box2d.b2DistanceSquared(t,o)>box2d.b2_epsilon_sq&&box2d.b2Sub_V2_V2(o,t,this.normal).SelfNormalize();var b=box2d.b2AddMul_V2_S_V2(t,e,this.normal,box2d.b2WorldManifold.prototype.Initialize.s_cA),n=box2d.b2SubMul_V2_S_V2(o,i,this.normal,box2d.b2WorldManifold.prototype.Initialize.s_cB);box2d.b2Mid_V2_V2(b,n,this.points[0]),this.separations[0]=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(n,b,box2d.b2Vec2.s_t0),this.normal);break;case box2d.b2ManifoldType.e_faceA:box2d.b2Mul_R_V2(t.q,o.localNormal,this.normal);for(var p=box2d.b2Mul_X_V2(t,o.localPoint,box2d.b2WorldManifold.prototype.Initialize.s_planePoint),s=0,a=o.pointCount;s<a;++s){var d=box2d.b2Mul_X_V2(r,o.points[s].localPoint,box2d.b2WorldManifold.prototype.Initialize.s_clipPoint);b=e-box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(d,p,box2d.b2Vec2.s_t0),this.normal),b=box2d.b2AddMul_V2_S_V2(d,b,this.normal,box2d.b2WorldManifold.prototype.Initialize.s_cA),n=box2d.b2SubMul_V2_S_V2(d,i,this.normal,box2d.b2WorldManifold.prototype.Initialize.s_cB);box2d.b2Mid_V2_V2(b,n,this.points[s]),this.separations[s]=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(n,b,box2d.b2Vec2.s_t0),this.normal)}break;case box2d.b2ManifoldType.e_faceB:for(box2d.b2Mul_R_V2(r.q,o.localNormal,this.normal),p=box2d.b2Mul_X_V2(r,o.localPoint,box2d.b2WorldManifold.prototype.Initialize.s_planePoint),s=0,a=o.pointCount;s<a;++s)d=box2d.b2Mul_X_V2(t,o.points[s].localPoint,box2d.b2WorldManifold.prototype.Initialize.s_clipPoint),b=i-box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(d,p,box2d.b2Vec2.s_t0),this.normal),n=box2d.b2AddMul_V2_S_V2(d,b,this.normal,box2d.b2WorldManifold.prototype.Initialize.s_cB),b=box2d.b2SubMul_V2_S_V2(d,e,this.normal,box2d.b2WorldManifold.prototype.Initialize.s_cA),box2d.b2Mid_V2_V2(b,n,this.points[s]),this.separations[s]=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(b,n,box2d.b2Vec2.s_t0),this.normal);this.normal.SelfNeg()}},goog.exportProperty(box2d.b2WorldManifold.prototype,"Initialize",box2d.b2WorldManifold.prototype.Initialize),box2d.b2WorldManifold.prototype.Initialize.s_pointA=new box2d.b2Vec2,box2d.b2WorldManifold.prototype.Initialize.s_pointB=new box2d.b2Vec2,box2d.b2WorldManifold.prototype.Initialize.s_cA=new box2d.b2Vec2,box2d.b2WorldManifold.prototype.Initialize.s_cB=new box2d.b2Vec2,box2d.b2WorldManifold.prototype.Initialize.s_planePoint=new box2d.b2Vec2,box2d.b2WorldManifold.prototype.Initialize.s_clipPoint=new box2d.b2Vec2,box2d.b2PointState={b2_nullState:0,b2_addState:1,b2_persistState:2,b2_removeState:3},goog.exportSymbol("box2d.b2PointState",box2d.b2PointState),goog.exportProperty(box2d.b2PointState,"b2_nullState   ",box2d.b2PointState.b2_nullState),goog.exportProperty(box2d.b2PointState,"b2_addState    ",box2d.b2PointState.b2_addState),goog.exportProperty(box2d.b2PointState,"b2_persistState",box2d.b2PointState.b2_persistState),goog.exportProperty(box2d.b2PointState,"b2_removeState ",box2d.b2PointState.b2_removeState),box2d.b2GetPointStates=function(o,t,e,r){for(var i=0,b=e.pointCount;i<b;++i){var n=(n=e.points[i].id).key;o[i]=box2d.b2PointState.b2_removeState;for(var p=0,s=r.pointCount;p<s;++p)if(r.points[p].id.key===n){o[i]=box2d.b2PointState.b2_persistState;break}}for(b=box2d.b2_maxManifoldPoints;i<b;++i)o[i]=box2d.b2PointState.b2_nullState;for(i=0,b=r.pointCount;i<b;++i)for(n=(n=r.points[i].id).key,t[i]=box2d.b2PointState.b2_addState,p=0,s=e.pointCount;p<s;++p)if(e.points[p].id.key===n){t[i]=box2d.b2PointState.b2_persistState;break}for(b=box2d.b2_maxManifoldPoints;i<b;++i)t[i]=box2d.b2PointState.b2_nullState},goog.exportSymbol("box2d.b2GetPointStates",box2d.b2GetPointStates),box2d.b2ClipVertex=function(){this.v=new box2d.b2Vec2,this.id=new box2d.b2ContactID},goog.exportSymbol("box2d.b2ClipVertex",box2d.b2ClipVertex),box2d.b2ClipVertex.prototype.v=null,goog.exportProperty(box2d.b2ClipVertex.prototype,"v",box2d.b2ClipVertex.prototype.v),box2d.b2ClipVertex.prototype.id=null,goog.exportProperty(box2d.b2ClipVertex.prototype,"id",box2d.b2ClipVertex.prototype.id),box2d.b2ClipVertex.MakeArray=function(o){return box2d.b2MakeArray(o,function(o){return new box2d.b2ClipVertex})},goog.exportProperty(box2d.b2ClipVertex,"MakeArray",box2d.b2ClipVertex.MakeArray),box2d.b2ClipVertex.prototype.Copy=function(o){return this.v.Copy(o.v),this.id.Copy(o.id),this},goog.exportProperty(box2d.b2ClipVertex.prototype,"Copy",box2d.b2ClipVertex.prototype.Copy),box2d.b2RayCastInput=function(){this.p1=new box2d.b2Vec2,this.p2=new box2d.b2Vec2,this.maxFraction=1},goog.exportSymbol("box2d.b2RayCastInput",box2d.b2RayCastInput),box2d.b2RayCastInput.prototype.p1=null,goog.exportProperty(box2d.b2RayCastInput.prototype,"p1",box2d.b2RayCastInput.prototype.p1),box2d.b2RayCastInput.prototype.p2=null,goog.exportProperty(box2d.b2RayCastInput.prototype,"p2",box2d.b2RayCastInput.prototype.p2),box2d.b2RayCastInput.prototype.maxFraction=1,goog.exportProperty(box2d.b2RayCastInput.prototype,"maxFraction",box2d.b2RayCastInput.prototype.maxFraction),box2d.b2RayCastInput.prototype.Copy=function(o){return 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d=box2d.b2Dot_V2_V2(t[a],box2d.b2Sub_V2_V2(e,s[a],box2d.b2Vec2.s_t0));if(d>i)return;d>n&&(n=d,b=a)}d=s[a=b],p=s[(a+1)%p],n<box2d.b2_epsilon?(o.pointCount=1,o.type=box2d.b2ManifoldType.e_faceA,o.localNormal.Copy(t[b]),box2d.b2Mid_V2_V2(d,p,o.localPoint),o.points[0].localPoint.Copy(r.m_p),o.points[0].id.key=0):(n=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(e,d,box2d.b2Vec2.s_t0),box2d.b2Sub_V2_V2(p,d,box2d.b2Vec2.s_t1)),b=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(e,p,box2d.b2Vec2.s_t0),box2d.b2Sub_V2_V2(d,p,box2d.b2Vec2.s_t1)),0>=n?box2d.b2DistanceSquared(e,d)>i*i||(o.pointCount=1,o.type=box2d.b2ManifoldType.e_faceA,box2d.b2Sub_V2_V2(e,d,o.localNormal).SelfNormalize(),o.localPoint.Copy(d),o.points[0].localPoint.Copy(r.m_p),o.points[0].id.key=0):0>=b?box2d.b2DistanceSquared(e,p)>i*i||(o.pointCount=1,o.type=box2d.b2ManifoldType.e_faceA,box2d.b2Sub_V2_V2(e,p,o.localNormal).SelfNormalize(),o.localPoint.Copy(p),o.points[0].localPoint.Copy(r.m_p),o.points[0].id.key=0):(b=box2d.b2Mid_V2_V2(d,p,box2d.b2CollidePolygonAndCircle.s_faceCenter),(n=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(e,b,box2d.b2Vec2.s_t1),t[a]))>i||(o.pointCount=1,o.type=box2d.b2ManifoldType.e_faceA,o.localNormal.Copy(t[a]).SelfNormalize(),o.localPoint.Copy(b),o.points[0].localPoint.Copy(r.m_p),o.points[0].id.key=0)))},goog.exportSymbol("box2d.b2CollidePolygonAndCircle",box2d.b2CollidePolygonAndCircle),box2d.b2CollidePolygonAndCircle.s_c=new 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box2d.b2Vec2,this.sideOffset2=0},goog.exportSymbol("box2d.b2ReferenceFace",box2d.b2ReferenceFace),box2d.b2ReferenceFace.prototype.i1=0,goog.exportProperty(box2d.b2ReferenceFace.prototype,"i1",box2d.b2ReferenceFace.prototype.i1),box2d.b2ReferenceFace.prototype.i2=0,goog.exportProperty(box2d.b2ReferenceFace.prototype,"i2",box2d.b2ReferenceFace.prototype.i2),box2d.b2ReferenceFace.prototype.v1=null,goog.exportProperty(box2d.b2ReferenceFace.prototype,"v1",box2d.b2ReferenceFace.prototype.v1),box2d.b2ReferenceFace.prototype.v2=null,goog.exportProperty(box2d.b2ReferenceFace.prototype,"v2",box2d.b2ReferenceFace.prototype.v2),box2d.b2ReferenceFace.prototype.normal=null,goog.exportProperty(box2d.b2ReferenceFace.prototype,"normal",box2d.b2ReferenceFace.prototype.normal),box2d.b2ReferenceFace.prototype.sideNormal1=null,goog.exportProperty(box2d.b2ReferenceFace.prototype,"sideNormal1",box2d.b2ReferenceFace.prototype.sideNormal1),box2d.b2ReferenceFace.prototype.sideOffset1=0,goog.exportProperty(box2d.b2ReferenceFace.prototype,"sideOffset1",box2d.b2ReferenceFace.prototype.sideOffset1),box2d.b2ReferenceFace.prototype.sideNormal2=null,goog.exportProperty(box2d.b2ReferenceFace.prototype,"sideNormal2",box2d.b2ReferenceFace.prototype.sideNormal2),box2d.b2ReferenceFace.prototype.sideOffset2=0,goog.exportProperty(box2d.b2ReferenceFace.prototype,"sideOffset2",box2d.b2ReferenceFace.prototype.sideOffset2),box2d.b2EPColliderVertexType={e_isolated:0,e_concave:1,e_convex:2},goog.exportSymbol("box2d.b2EPColliderVertexType",box2d.b2EPColliderVertexType),goog.exportProperty(box2d.b2EPColliderVertexType,"e_isolated",box2d.b2EPColliderVertexType.e_isolated),goog.exportProperty(box2d.b2EPColliderVertexType,"e_concave",box2d.b2EPColliderVertexType.e_concave),goog.exportProperty(box2d.b2EPColliderVertexType,"e_convex",box2d.b2EPColliderVertexType.e_convex),box2d.b2EPCollider=function(){this.m_polygonB=new box2d.b2TempPolygon,this.m_xf=new box2d.b2Transform,this.m_centroidB=new box2d.b2Vec2,this.m_v0=new box2d.b2Vec2,this.m_v1=new box2d.b2Vec2,this.m_v2=new box2d.b2Vec2,this.m_v3=new box2d.b2Vec2,this.m_normal0=new box2d.b2Vec2,this.m_normal1=new box2d.b2Vec2,this.m_normal2=new box2d.b2Vec2,this.m_normal=new box2d.b2Vec2,this.m_type2=this.m_type1=box2d.b2EPColliderVertexType.e_isolated,this.m_lowerLimit=new box2d.b2Vec2,this.m_upperLimit=new box2d.b2Vec2,this.m_radius=0,this.m_front=!1},goog.exportSymbol("box2d.b2EPCollider",box2d.b2EPCollider),box2d.b2EPCollider.prototype.m_polygonB=null,goog.exportProperty(box2d.b2EPCollider.prototype,"m_polygonB",box2d.b2EPCollider.prototype.m_polygonB),box2d.b2EPCollider.prototype.m_xf=null,goog.exportProperty(box2d.b2EPCollider.prototype,"m_xf",box2d.b2EPCollider.prototype.m_xf),box2d.b2EPCollider.prototype.m_centroidB=null,goog.exportProperty(box2d.b2EPCollider.prototype,"m_centroidB",box2d.b2EPCollider.prototype.m_centroidB),box2d.b2EPCollider.prototype.m_v0=null,goog.exportProperty(box2d.b2EPCollider.prototype,"m_v0",box2d.b2EPCollider.prototype.m_v0),box2d.b2EPCollider.prototype.m_v1=null,goog.exportProperty(box2d.b2EPCollider.prototype,"m_v1",box2d.b2EPCollider.prototype.m_v1),box2d.b2EPCollider.prototype.m_v2=null,goog.exportProperty(box2d.b2EPCollider.prototype,"m_v2",box2d.b2EPCollider.prototype.m_v2),box2d.b2EPCollider.prototype.m_v3=null,goog.exportProperty(box2d.b2EPCollider.prototype,"m_v3",box2d.b2EPCollider.prototype.m_v3),box2d.b2EPCollider.prototype.m_normal0=null,goog.exportProperty(box2d.b2EPCollider.prototype,"m_normal0",box2d.b2EPCollider.prototype.m_normal0),box2d.b2EPCollider.prototype.m_normal1=null,goog.exportProperty(box2d.b2EPCollider.prototype,"m_normal1",box2d.b2EPCollider.prototype.m_normal1),box2d.b2EPCollider.prototype.m_normal2=null,goog.exportProperty(box2d.b2EPCollider.prototype,"m_normal2",box2d.b2EPCollider.prototype.m_normal2),box2d.b2EPCollider.prototype.m_normal=null,goog.exportProperty(box2d.b2EPCollider.prototype,"m_normal",box2d.b2EPCollider.prototype.m_normal),box2d.b2EPCollider.prototype.m_type1=box2d.b2EPColliderVertexType.e_isolated,goog.exportProperty(box2d.b2EPCollider.prototype,"m_type1",box2d.b2EPCollider.prototype.m_type1),box2d.b2EPCollider.prototype.m_type2=box2d.b2EPColliderVertexType.e_isolated,goog.exportProperty(box2d.b2EPCollider.prototype,"m_type2",box2d.b2EPCollider.prototype.m_type2),box2d.b2EPCollider.prototype.m_lowerLimit=null,goog.exportProperty(box2d.b2EPCollider.prototype,"m_lowerLimit",box2d.b2EPCollider.prototype.m_lowerLimit),box2d.b2EPCollider.prototype.m_upperLimit=null,goog.exportProperty(box2d.b2EPCollider.prototype,"m_upperLimit",box2d.b2EPCollider.prototype.m_upperLimit),box2d.b2EPCollider.prototype.m_radius=0,goog.exportProperty(box2d.b2EPCollider.prototype,"m_radius",box2d.b2EPCollider.prototype.m_radius),box2d.b2EPCollider.prototype.m_front=!1,goog.exportProperty(box2d.b2EPCollider.prototype,"m_front",box2d.b2EPCollider.prototype.m_front),box2d.b2EPCollider.prototype.Collide=function(o,t,e,r,i){box2d.b2MulT_X_X(e,i,this.m_xf),box2d.b2Mul_X_V2(this.m_xf,r.m_centroid,this.m_centroidB),this.m_v0.Copy(t.m_vertex0),this.m_v1.Copy(t.m_vertex1),this.m_v2.Copy(t.m_vertex2),this.m_v3.Copy(t.m_vertex3),e=t.m_hasVertex0,t=t.m_hasVertex3,(i=box2d.b2Sub_V2_V2(this.m_v2,this.m_v1,box2d.b2EPCollider.s_edge1)).Normalize(),this.m_normal1.Set(i.y,-i.x);var b=box2d.b2Dot_V2_V2(this.m_normal1,box2d.b2Sub_V2_V2(this.m_centroidB,this.m_v1,box2d.b2Vec2.s_t0)),n=0,p=0,s=!1,a=!1;for(e&&((n=box2d.b2Sub_V2_V2(this.m_v1,this.m_v0,box2d.b2EPCollider.s_edge0)).Normalize(),this.m_normal0.Set(n.y,-n.x),s=0<=box2d.b2Cross_V2_V2(n,i),n=box2d.b2Dot_V2_V2(this.m_normal0,box2d.b2Sub_V2_V2(this.m_centroidB,this.m_v0,box2d.b2Vec2.s_t0))),t&&((p=box2d.b2Sub_V2_V2(this.m_v3,this.m_v2,box2d.b2EPCollider.s_edge2)).Normalize(),this.m_normal2.Set(p.y,-p.x),a=0<box2d.b2Cross_V2_V2(i,p),p=box2d.b2Dot_V2_V2(this.m_normal2,box2d.b2Sub_V2_V2(this.m_centroidB,this.m_v2,box2d.b2Vec2.s_t0))),e&&t?s&&a?(this.m_front=0<=n||0<=b||0<=p)?(this.m_normal.Copy(this.m_normal1),this.m_lowerLimit.Copy(this.m_normal0),this.m_upperLimit.Copy(this.m_normal2)):(this.m_normal.Copy(this.m_normal1).SelfNeg(),this.m_lowerLimit.Copy(this.m_normal1).SelfNeg(),this.m_upperLimit.Copy(this.m_normal1).SelfNeg()):s?(this.m_front=0<=n||0<=b&&0<=p)?(this.m_normal.Copy(this.m_normal1),this.m_lowerLimit.Copy(this.m_normal0),this.m_upperLimit.Copy(this.m_normal1)):(this.m_normal.Copy(this.m_normal1).SelfNeg(),this.m_lowerLimit.Copy(this.m_normal2).SelfNeg(),this.m_upperLimit.Copy(this.m_normal1).SelfNeg()):a?(this.m_front=0<=p||0<=n&&0<=b)?(this.m_normal.Copy(this.m_normal1),this.m_lowerLimit.Copy(this.m_normal1),this.m_upperLimit.Copy(this.m_normal2)):(this.m_normal.Copy(this.m_normal1).SelfNeg(),this.m_lowerLimit.Copy(this.m_normal1).SelfNeg(),this.m_upperLimit.Copy(this.m_normal0).SelfNeg()):(this.m_front=0<=n&&0<=b&&0<=p)?(this.m_normal.Copy(this.m_normal1),this.m_lowerLimit.Copy(this.m_normal1),this.m_upperLimit.Copy(this.m_normal1)):(this.m_normal.Copy(this.m_normal1).SelfNeg(),this.m_lowerLimit.Copy(this.m_normal2).SelfNeg(),this.m_upperLimit.Copy(this.m_normal0).SelfNeg()):e?s?((this.m_front=0<=n||0<=b)?(this.m_normal.Copy(this.m_normal1),this.m_lowerLimit.Copy(this.m_normal0)):(this.m_normal.Copy(this.m_normal1).SelfNeg(),this.m_lowerLimit.Copy(this.m_normal1)),this.m_upperLimit.Copy(this.m_normal1).SelfNeg()):(this.m_front=0<=n&&0<=b)?(this.m_normal.Copy(this.m_normal1),this.m_lowerLimit.Copy(this.m_normal1),this.m_upperLimit.Copy(this.m_normal1).SelfNeg()):(this.m_normal.Copy(this.m_normal1).SelfNeg(),this.m_lowerLimit.Copy(this.m_normal1),this.m_upperLimit.Copy(this.m_normal0).SelfNeg()):t?a?(this.m_front=0<=b||0<=p)?(this.m_normal.Copy(this.m_normal1),this.m_lowerLimit.Copy(this.m_normal1).SelfNeg(),this.m_upperLimit.Copy(this.m_normal2)):(this.m_normal.Copy(this.m_normal1).SelfNeg(),this.m_lowerLimit.Copy(this.m_normal1).SelfNeg(),this.m_upperLimit.Copy(this.m_normal1)):((this.m_front=0<=b&&0<=p)?(this.m_normal.Copy(this.m_normal1),this.m_lowerLimit.Copy(this.m_normal1).SelfNeg()):(this.m_normal.Copy(this.m_normal1).SelfNeg(),this.m_lowerLimit.Copy(this.m_normal2).SelfNeg()),this.m_upperLimit.Copy(this.m_normal1)):(this.m_front=0<=b)?(this.m_normal.Copy(this.m_normal1),this.m_lowerLimit.Copy(this.m_normal1).SelfNeg(),this.m_upperLimit.Copy(this.m_normal1).SelfNeg()):(this.m_normal.Copy(this.m_normal1).SelfNeg(),this.m_lowerLimit.Copy(this.m_normal1),this.m_upperLimit.Copy(this.m_normal1)),this.m_polygonB.count=r.m_count,b=0,n=r.m_count;b<n;++b)box2d.b2Mul_X_V2(this.m_xf,r.m_vertices[b],this.m_polygonB.vertices[b]),box2d.b2Mul_R_V2(this.m_xf.q,r.m_normals[b],this.m_polygonB.normals[b]);if(this.m_radius=2*box2d.b2_polygonRadius,o.pointCount=0,!((e=this.ComputeEdgeSeparation(box2d.b2EPCollider.s_edgeAxis)).type===box2d.b2EPAxisType.e_unknown||e.separation>this.m_radius||(t=this.ComputePolygonSeparation(box2d.b2EPCollider.s_polygonAxis),t.type!==box2d.b2EPAxisType.e_unknown&&t.separation>this.m_radius))){if(e=t.type===box2d.b2EPAxisType.e_unknown?e:t.separation>.98*e.separation+.001?t:e,i=box2d.b2EPCollider.s_ie,t=box2d.b2EPCollider.s_rf,e.type===box2d.b2EPAxisType.e_edgeA){for(o.type=box2d.b2ManifoldType.e_faceA,p=0,s=box2d.b2Dot_V2_V2(this.m_normal,this.m_polygonB.normals[0]),b=1,n=this.m_polygonB.count;b<n;++b)(a=box2d.b2Dot_V2_V2(this.m_normal,this.m_polygonB.normals[b]))<s&&(s=a,p=b);b=((n=p)+1)%this.m_polygonB.count,(p=i[0]).v.Copy(this.m_polygonB.vertices[n]),p.id.cf.indexA=0,p.id.cf.indexB=n,p.id.cf.typeA=box2d.b2ContactFeatureType.e_face,p.id.cf.typeB=box2d.b2ContactFeatureType.e_vertex,(n=i[1]).v.Copy(this.m_polygonB.vertices[b]),n.id.cf.indexA=0,n.id.cf.indexB=b,n.id.cf.typeA=box2d.b2ContactFeatureType.e_face,n.id.cf.typeB=box2d.b2ContactFeatureType.e_vertex,this.m_front?(t.i1=0,t.i2=1,t.v1.Copy(this.m_v1),t.v2.Copy(this.m_v2),t.normal.Copy(this.m_normal1)):(t.i1=1,t.i2=0,t.v1.Copy(this.m_v2),t.v2.Copy(this.m_v1),t.normal.Copy(this.m_normal1).SelfNeg())}else o.type=box2d.b2ManifoldType.e_faceB,(p=i[0]).v.Copy(this.m_v1),p.id.cf.indexA=0,p.id.cf.indexB=e.index,p.id.cf.typeA=box2d.b2ContactFeatureType.e_vertex,p.id.cf.typeB=box2d.b2ContactFeatureType.e_face,(n=i[1]).v.Copy(this.m_v2),n.id.cf.indexA=0,n.id.cf.indexB=e.index,n.id.cf.typeA=box2d.b2ContactFeatureType.e_vertex,n.id.cf.typeB=box2d.b2ContactFeatureType.e_face,t.i1=e.index,t.i2=(t.i1+1)%this.m_polygonB.count,t.v1.Copy(this.m_polygonB.vertices[t.i1]),t.v2.Copy(this.m_polygonB.vertices[t.i2]),t.normal.Copy(this.m_polygonB.normals[t.i1]);if(t.sideNormal1.Set(t.normal.y,-t.normal.x),t.sideNormal2.Copy(t.sideNormal1).SelfNeg(),t.sideOffset1=box2d.b2Dot_V2_V2(t.sideNormal1,t.v1),t.sideOffset2=box2d.b2Dot_V2_V2(t.sideNormal2,t.v2),b=box2d.b2EPCollider.s_clipPoints1,p=box2d.b2EPCollider.s_clipPoints2,n=0,!((n=box2d.b2ClipSegmentToLine(b,i,t.sideNormal1,t.sideOffset1,t.i1))<box2d.b2_maxManifoldPoints||(n=box2d.b2ClipSegmentToLine(p,b,t.sideNormal2,t.sideOffset2,t.i2),n<box2d.b2_maxManifoldPoints))){for(e.type===box2d.b2EPAxisType.e_edgeA?(o.localNormal.Copy(t.normal),o.localPoint.Copy(t.v1)):(o.localNormal.Copy(r.m_normals[t.i1]),o.localPoint.Copy(r.m_vertices[t.i1])),b=r=0,n=box2d.b2_maxManifoldPoints;b<n;++b)box2d.b2Dot_V2_V2(t.normal,box2d.b2Sub_V2_V2(p[b].v,t.v1,box2d.b2Vec2.s_t0))<=this.m_radius&&(i=o.points[r],e.type===box2d.b2EPAxisType.e_edgeA?(box2d.b2MulT_X_V2(this.m_xf,p[b].v,i.localPoint),i.id=p[b].id):(i.localPoint.Copy(p[b].v),i.id.cf.typeA=p[b].id.cf.typeB,i.id.cf.typeB=p[b].id.cf.typeA,i.id.cf.indexA=p[b].id.cf.indexB,i.id.cf.indexB=p[b].id.cf.indexA),++r);o.pointCount=r}}},goog.exportProperty(box2d.b2EPCollider.prototype,"Collide",box2d.b2EPCollider.prototype.Collide),box2d.b2EPCollider.s_edge1=new box2d.b2Vec2,box2d.b2EPCollider.s_edge0=new box2d.b2Vec2,box2d.b2EPCollider.s_edge2=new box2d.b2Vec2,box2d.b2EPCollider.s_ie=box2d.b2ClipVertex.MakeArray(2),box2d.b2EPCollider.s_rf=new box2d.b2ReferenceFace,box2d.b2EPCollider.s_clipPoints1=box2d.b2ClipVertex.MakeArray(2),box2d.b2EPCollider.s_clipPoints2=box2d.b2ClipVertex.MakeArray(2),box2d.b2EPCollider.s_edgeAxis=new box2d.b2EPAxis,box2d.b2EPCollider.s_polygonAxis=new box2d.b2EPAxis,box2d.b2EPCollider.prototype.ComputeEdgeSeparation=function(o){o.type=box2d.b2EPAxisType.e_edgeA,o.index=this.m_front?0:1,o.separation=box2d.b2_maxFloat;for(var t=0,e=this.m_polygonB.count;t<e;++t){var r=box2d.b2Dot_V2_V2(this.m_normal,box2d.b2Sub_V2_V2(this.m_polygonB.vertices[t],this.m_v1,box2d.b2Vec2.s_t0));r<o.separation&&(o.separation=r)}return o},goog.exportProperty(box2d.b2EPCollider.prototype,"ComputeEdgeSeparation",box2d.b2EPCollider.prototype.ComputeEdgeSeparation),box2d.b2EPCollider.prototype.ComputePolygonSeparation=function(o){o.type=box2d.b2EPAxisType.e_unknown,o.index=-1,o.separation=-box2d.b2_maxFloat;for(var t=box2d.b2EPCollider.s_perp.Set(-this.m_normal.y,this.m_normal.x),e=0,r=this.m_polygonB.count;e<r;++e){var i=box2d.b2EPCollider.s_n.Copy(this.m_polygonB.normals[e]).SelfNeg(),b=box2d.b2Dot_V2_V2(i,box2d.b2Sub_V2_V2(this.m_polygonB.vertices[e],this.m_v1,box2d.b2Vec2.s_t0)),n=box2d.b2Dot_V2_V2(i,box2d.b2Sub_V2_V2(this.m_polygonB.vertices[e],this.m_v2,box2d.b2Vec2.s_t0));if((b=box2d.b2Min(b,n))>this.m_radius){o.type=box2d.b2EPAxisType.e_edgeB,o.index=e,o.separation=b;break}if(0<=box2d.b2Dot_V2_V2(i,t)){if(box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(i,this.m_upperLimit,box2d.b2Vec2.s_t0),this.m_normal)<-box2d.b2_angularSlop)continue}else if(box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(i,this.m_lowerLimit,box2d.b2Vec2.s_t0),this.m_normal)<-box2d.b2_angularSlop)continue;b>o.separation&&(o.type=box2d.b2EPAxisType.e_edgeB,o.index=e,o.separation=b)}return o},goog.exportProperty(box2d.b2EPCollider.prototype,"ComputePolygonSeparation",box2d.b2EPCollider.prototype.ComputePolygonSeparation),box2d.b2EPCollider.s_n=new box2d.b2Vec2,box2d.b2EPCollider.s_perp=new box2d.b2Vec2,box2d.b2CollideEdgeAndPolygon=function(o,t,e,r,i){box2d.b2CollideEdgeAndPolygon.s_collider.Collide(o,t,e,r,i)},goog.exportSymbol("box2d.b2CollideEdgeAndPolygon",box2d.b2CollideEdgeAndPolygon),box2d.b2CollideEdgeAndPolygon.s_collider=new box2d.b2EPCollider,box2d.b2CollidePolygon={},box2d.b2FindMaxSeparation=function(o,t,e,r,i){var b=t.m_count,n=r.m_count,p=t.m_normals;t=t.m_vertices,r=r.m_vertices,e=box2d.b2MulT_X_X(i,e,box2d.b2FindMaxSeparation.s_xf),i=0;for(var s=-box2d.b2_maxFloat,a=0;a<b;++a){for(var d=box2d.b2Mul_R_V2(e.q,p[a],box2d.b2FindMaxSeparation.s_n),l=box2d.b2Mul_X_V2(e,t[a],box2d.b2FindMaxSeparation.s_v1),x=box2d.b2_maxFloat,y=0;y<n;++y){var c=box2d.b2Dot_V2_V2(d,box2d.b2Sub_V2_V2(r[y],l,box2d.b2Vec2.s_t0));c<x&&(x=c)}x>s&&(s=x,i=a)}return o[0]=i,s},goog.exportSymbol("box2d.b2FindMaxSeparation",box2d.b2FindMaxSeparation),box2d.b2FindMaxSeparation.s_xf=new box2d.b2Transform,box2d.b2FindMaxSeparation.s_n=new box2d.b2Vec2,box2d.b2FindMaxSeparation.s_v1=new box2d.b2Vec2,box2d.b2FindIncidentEdge=function(o,t,e,r,i,b){var n=t.m_count,p=t.m_normals,s=i.m_count;t=i.m_vertices,i=i.m_normals,box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<=r&&r<n),e=box2d.b2MulT_R_V2(b.q,box2d.b2Mul_R_V2(e.q,p[r],box2d.b2Vec2.s_t0),box2d.b2FindIncidentEdge.s_normal1);n=0,p=box2d.b2_maxFloat;for(var a=0;a<s;++a){var d=box2d.b2Dot_V2_V2(e,i[a]);d<p&&(p=d,n=a)}s=((i=n)+1)%s,e=o[0],box2d.b2Mul_X_V2(b,t[i],e.v),(e=e.id.cf).indexA=r,e.indexB=i,e.typeA=box2d.b2ContactFeatureType.e_face,e.typeB=box2d.b2ContactFeatureType.e_vertex,o=o[1],box2d.b2Mul_X_V2(b,t[s],o.v),(b=o.id.cf).indexA=r,b.indexB=s,b.typeA=box2d.b2ContactFeatureType.e_face,b.typeB=box2d.b2ContactFeatureType.e_vertex},goog.exportSymbol("box2d.b2FindIncidentEdge",box2d.b2FindIncidentEdge),box2d.b2FindIncidentEdge.s_normal1=new box2d.b2Vec2,box2d.b2CollidePolygons=function(o,t,e,r,i){o.pointCount=0;var b=t.m_radius+r.m_radius;if(((c=box2d.b2CollidePolygons.s_edgeA)[0]=0,!((a=box2d.b2FindMaxSeparation(c,t,e,r,i))>b))&&((s=box2d.b2CollidePolygons.s_edgeB)[0]=0,!((x=box2d.b2FindMaxSeparation(s,r,i,t,e))>b))){var 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box2d.b2Shape.prototype.Copy.call(this,o),box2d.ENABLE_ASSERTS&&box2d.b2Assert(o instanceof box2d.b2CircleShape),this.m_p.Copy(o.m_p),this},goog.exportProperty(box2d.b2CircleShape.prototype,"Copy",box2d.b2CircleShape.prototype.Copy),box2d.b2CircleShape.prototype.GetChildCount=function(){return 1},goog.exportProperty(box2d.b2CircleShape.prototype,"GetChildCount",box2d.b2CircleShape.prototype.GetChildCount),box2d.b2CircleShape.prototype.TestPoint=function(o,t){var e=box2d.b2Mul_X_V2(o,this.m_p,box2d.b2CircleShape.prototype.TestPoint.s_center);e=box2d.b2Sub_V2_V2(t,e,box2d.b2CircleShape.prototype.TestPoint.s_d);return box2d.b2Dot_V2_V2(e,e)<=box2d.b2Sq(this.m_radius)},goog.exportProperty(box2d.b2CircleShape.prototype,"TestPoint",box2d.b2CircleShape.prototype.TestPoint),box2d.b2CircleShape.prototype.TestPoint.s_center=new box2d.b2Vec2,box2d.b2CircleShape.prototype.TestPoint.s_d=new box2d.b2Vec2,box2d.b2CircleShape.prototype.ComputeDistance=function(o,t,e,r){return o=box2d.b2Mul_X_V2(o,this.m_p,box2d.b2CircleShape.prototype.ComputeDistance.s_center),box2d.b2Sub_V2_V2(t,o,e),e.Normalize()-this.m_radius},goog.exportProperty(box2d.b2CircleShape.prototype,"ComputeDistance",box2d.b2CircleShape.prototype.ComputeDistance),box2d.b2CircleShape.prototype.ComputeDistance.s_center=new box2d.b2Vec2,box2d.b2CircleShape.prototype.RayCast=function(o,t,e,r){e=box2d.b2Mul_X_V2(e,this.m_p,box2d.b2CircleShape.prototype.RayCast.s_position),e=box2d.b2Sub_V2_V2(t.p1,e,box2d.b2CircleShape.prototype.RayCast.s_s);var i=box2d.b2Dot_V2_V2(e,e)-box2d.b2Sq(this.m_radius);r=box2d.b2Sub_V2_V2(t.p2,t.p1,box2d.b2CircleShape.prototype.RayCast.s_r);var b=box2d.b2Dot_V2_V2(e,r),n=box2d.b2Dot_V2_V2(r,r);return!(0>(i=b*b-n*i)||n<box2d.b2_epsilon)&&(0<=(b=-(b+box2d.b2Sqrt(i)))&&b<=t.maxFraction*n&&(b/=n,o.fraction=b,box2d.b2AddMul_V2_S_V2(e,b,r,o.normal).SelfNormalize(),!0))},goog.exportProperty(box2d.b2CircleShape.prototype,"RayCast",box2d.b2CircleShape.prototype.RayCast),box2d.b2CircleShape.prototype.RayCast.s_position=new box2d.b2Vec2,box2d.b2CircleShape.prototype.RayCast.s_s=new box2d.b2Vec2,box2d.b2CircleShape.prototype.RayCast.s_r=new box2d.b2Vec2,box2d.b2CircleShape.prototype.ComputeAABB=function(o,t,e){t=box2d.b2Mul_X_V2(t,this.m_p,box2d.b2CircleShape.prototype.ComputeAABB.s_p),o.lowerBound.Set(t.x-this.m_radius,t.y-this.m_radius),o.upperBound.Set(t.x+this.m_radius,t.y+this.m_radius)},goog.exportProperty(box2d.b2CircleShape.prototype,"ComputeAABB",box2d.b2CircleShape.prototype.ComputeAABB),box2d.b2CircleShape.prototype.ComputeAABB.s_p=new box2d.b2Vec2,box2d.b2CircleShape.prototype.ComputeMass=function(o,t){var e=box2d.b2Sq(this.m_radius);o.mass=t*box2d.b2_pi*e,o.center.Copy(this.m_p),o.I=o.mass*(.5*e+box2d.b2Dot_V2_V2(this.m_p,this.m_p))},goog.exportProperty(box2d.b2CircleShape.prototype,"ComputeMass",box2d.b2CircleShape.prototype.ComputeMass),box2d.b2CircleShape.prototype.SetupDistanceProxy=function(o,t){o.m_vertices=o.m_buffer,o.m_vertices[0].Copy(this.m_p),o.m_count=1,o.m_radius=this.m_radius},box2d.b2CircleShape.prototype.ComputeSubmergedArea=function(o,t,e,r){if(e=box2d.b2Mul_X_V2(e,this.m_p,new box2d.b2Vec2),(b=-(box2d.b2Dot_V2_V2(o,e)-t))<-this.m_radius+box2d.b2_epsilon)return 0;if(b>this.m_radius)return r.Copy(e),box2d.b2_pi*this.m_radius*this.m_radius;var i=b*b,b=(t=this.m_radius*this.m_radius)*(box2d.b2Asin(b/this.m_radius)+box2d.b2_pi/2)+b*box2d.b2Sqrt(t-i);return t=-2/3*box2d.b2Pow(t-i,1.5)/b,r.x=e.x+o.x*t,r.y=e.y+o.y*t,b},goog.exportProperty(box2d.b2CircleShape.prototype,"ComputeSubmergedArea",box2d.b2CircleShape.prototype.ComputeSubmergedArea),box2d.b2CircleShape.prototype.Dump=function(){box2d.b2Log("    /*box2d.b2CircleShape*/ var shape = new box2d.b2CircleShape();\n"),box2d.b2Log("    shape.m_radius = %.15f;\n",this.m_radius),box2d.b2Log("    shape.m_p.Set(%.15f, %.15f);\n",this.m_p.x,this.m_p.y)},goog.exportProperty(box2d.b2CircleShape.prototype,"Dump",box2d.b2CircleShape.prototype.Dump),box2d.b2EdgeShape=function(){box2d.b2Shape.call(this,box2d.b2ShapeType.e_edgeShape,box2d.b2_polygonRadius),this.m_vertex1=new box2d.b2Vec2,this.m_vertex2=new box2d.b2Vec2,this.m_vertex0=new box2d.b2Vec2,this.m_vertex3=new 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this.m_vertex1.Copy(o),this.m_vertex2.Copy(t),this.m_hasVertex3=this.m_hasVertex0=!1,this},goog.exportProperty(box2d.b2EdgeShape.prototype,"Set",box2d.b2EdgeShape.prototype.Set),box2d.b2EdgeShape.prototype.SetAsEdge=box2d.b2EdgeShape.prototype.Set,box2d.b2EdgeShape.prototype.Clone=function(){return(new box2d.b2EdgeShape).Copy(this)},goog.exportProperty(box2d.b2EdgeShape.prototype,"Clone",box2d.b2EdgeShape.prototype.Clone),box2d.b2EdgeShape.prototype.Copy=function(o){return box2d.b2Shape.prototype.Copy.call(this,o),box2d.ENABLE_ASSERTS&&box2d.b2Assert(o instanceof box2d.b2EdgeShape),this.m_vertex1.Copy(o.m_vertex1),this.m_vertex2.Copy(o.m_vertex2),this.m_vertex0.Copy(o.m_vertex0),this.m_vertex3.Copy(o.m_vertex3),this.m_hasVertex0=o.m_hasVertex0,this.m_hasVertex3=o.m_hasVertex3,this},goog.exportProperty(box2d.b2EdgeShape.prototype,"Copy",box2d.b2EdgeShape.prototype.Copy),box2d.b2EdgeShape.prototype.GetChildCount=function(){return 1},goog.exportProperty(box2d.b2EdgeShape.prototype,"GetChildCount",box2d.b2EdgeShape.prototype.GetChildCount),box2d.b2EdgeShape.prototype.TestPoint=function(o,t){return!1},goog.exportProperty(box2d.b2EdgeShape.prototype,"TestPoint",box2d.b2EdgeShape.prototype.TestPoint),box2d.b2EdgeShape.prototype.ComputeDistance=function(o,t,e,r){var i=box2d.b2Mul_X_V2(o,this.m_vertex1,box2d.b2EdgeShape.prototype.ComputeDistance.s_v1);o=box2d.b2Mul_X_V2(o,this.m_vertex2,box2d.b2EdgeShape.prototype.ComputeDistance.s_v2),r=box2d.b2Sub_V2_V2(t,i,box2d.b2EdgeShape.prototype.ComputeDistance.s_d);i=box2d.b2Sub_V2_V2(o,i,box2d.b2EdgeShape.prototype.ComputeDistance.s_s);var b=box2d.b2Dot_V2_V2(r,i);if(0<b){var n=box2d.b2Dot_V2_V2(i,i);b>n?box2d.b2Sub_V2_V2(t,o,r):r.SelfMulSub(b/n,i)}return e.Copy(r),e.Normalize()},goog.exportProperty(box2d.b2EdgeShape.prototype,"ComputeDistance",box2d.b2EdgeShape.prototype.ComputeDistance),box2d.b2EdgeShape.prototype.ComputeDistance.s_v1=new box2d.b2Vec2,box2d.b2EdgeShape.prototype.ComputeDistance.s_v2=new box2d.b2Vec2,box2d.b2EdgeShape.prototype.ComputeDistance.s_d=new box2d.b2Vec2,box2d.b2EdgeShape.prototype.ComputeDistance.s_s=new box2d.b2Vec2,box2d.b2EdgeShape.prototype.RayCast=function(o,t,e,r){var i=box2d.b2MulT_X_V2(e,t.p1,box2d.b2EdgeShape.prototype.RayCast.s_p1);r=box2d.b2MulT_X_V2(e,t.p2,box2d.b2EdgeShape.prototype.RayCast.s_p2);var b=box2d.b2Sub_V2_V2(r,i,box2d.b2EdgeShape.prototype.RayCast.s_d);r=this.m_vertex1;var n=this.m_vertex2,p=box2d.b2Sub_V2_V2(n,r,box2d.b2EdgeShape.prototype.RayCast.s_e),s=o.normal.Set(p.y,-p.x).SelfNormalize();p=box2d.b2Dot_V2_V2(s,box2d.b2Sub_V2_V2(r,i,box2d.b2Vec2.s_t0));return 0!==(s=box2d.b2Dot_V2_V2(s,b))&&(!(0>(s=p/s)||t.maxFraction<s)&&(t=box2d.b2AddMul_V2_S_V2(i,s,b,box2d.b2EdgeShape.prototype.RayCast.s_q),i=box2d.b2Sub_V2_V2(n,r,box2d.b2EdgeShape.prototype.RayCast.s_r),0!==(n=box2d.b2Dot_V2_V2(i,i))&&(!(0>(r=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(t,r,box2d.b2Vec2.s_t0),i)/n)||1<r)&&(o.fraction=s,box2d.b2Mul_R_V2(e.q,o.normal,o.normal),0<p&&o.normal.SelfNeg(),!0))))},goog.exportProperty(box2d.b2EdgeShape.prototype,"RayCast",box2d.b2EdgeShape.prototype.RayCast),box2d.b2EdgeShape.prototype.RayCast.s_p1=new box2d.b2Vec2,box2d.b2EdgeShape.prototype.RayCast.s_p2=new box2d.b2Vec2,box2d.b2EdgeShape.prototype.RayCast.s_d=new box2d.b2Vec2,box2d.b2EdgeShape.prototype.RayCast.s_e=new box2d.b2Vec2,box2d.b2EdgeShape.prototype.RayCast.s_q=new box2d.b2Vec2,box2d.b2EdgeShape.prototype.RayCast.s_r=new box2d.b2Vec2,box2d.b2EdgeShape.prototype.ComputeAABB=function(o,t,e){e=box2d.b2Mul_X_V2(t,this.m_vertex1,box2d.b2EdgeShape.prototype.ComputeAABB.s_v1),t=box2d.b2Mul_X_V2(t,this.m_vertex2,box2d.b2EdgeShape.prototype.ComputeAABB.s_v2),box2d.b2Min_V2_V2(e,t,o.lowerBound),box2d.b2Max_V2_V2(e,t,o.upperBound),t=this.m_radius,o.lowerBound.SelfSubXY(t,t),o.upperBound.SelfAddXY(t,t)},goog.exportProperty(box2d.b2EdgeShape.prototype,"ComputeAABB",box2d.b2EdgeShape.prototype.ComputeAABB),box2d.b2EdgeShape.prototype.ComputeAABB.s_v1=new box2d.b2Vec2,box2d.b2EdgeShape.prototype.ComputeAABB.s_v2=new box2d.b2Vec2,box2d.b2EdgeShape.prototype.ComputeMass=function(o,t){o.mass=0,box2d.b2Mid_V2_V2(this.m_vertex1,this.m_vertex2,o.center),o.I=0},goog.exportProperty(box2d.b2EdgeShape.prototype,"ComputeMass",box2d.b2EdgeShape.prototype.ComputeMass),box2d.b2EdgeShape.prototype.SetupDistanceProxy=function(o,t){o.m_vertices=o.m_buffer,o.m_vertices[0].Copy(this.m_vertex1),o.m_vertices[1].Copy(this.m_vertex2),o.m_count=2,o.m_radius=this.m_radius},box2d.b2EdgeShape.prototype.ComputeSubmergedArea=function(o,t,e,r){return r.SetZero(),0},goog.exportProperty(box2d.b2EdgeShape.prototype,"ComputeSubmergedArea",box2d.b2EdgeShape.prototype.ComputeSubmergedArea),box2d.b2EdgeShape.prototype.Dump=function(){box2d.b2Log("    /*box2d.b2EdgeShape*/ var shape = new box2d.b2EdgeShape();\n"),box2d.b2Log("    shape.m_radius = %.15f;\n",this.m_radius),box2d.b2Log("    shape.m_vertex0.Set(%.15f, %.15f);\n",this.m_vertex0.x,this.m_vertex0.y),box2d.b2Log("    shape.m_vertex1.Set(%.15f, %.15f);\n",this.m_vertex1.x,this.m_vertex1.y),box2d.b2Log("    shape.m_vertex2.Set(%.15f, %.15f);\n",this.m_vertex2.x,this.m_vertex2.y),box2d.b2Log("    shape.m_vertex3.Set(%.15f, %.15f);\n",this.m_vertex3.x,this.m_vertex3.y),box2d.b2Log("    shape.m_hasVertex0 = %s;\n",this.m_hasVertex0),box2d.b2Log("    shape.m_hasVertex3 = %s;\n",this.m_hasVertex3)},goog.exportProperty(box2d.b2EdgeShape.prototype,"Dump",box2d.b2EdgeShape.prototype.Dump),box2d.b2ChainShape=function(){box2d.b2Shape.call(this,box2d.b2ShapeType.e_chainShape,box2d.b2_polygonRadius),this.m_prevVertex=new box2d.b2Vec2,this.m_nextVertex=new box2d.b2Vec2},goog.inherits(box2d.b2ChainShape,box2d.b2Shape),goog.exportSymbol("box2d.b2ChainShape",box2d.b2ChainShape),box2d.b2ChainShape.prototype.m_vertices=null,goog.exportProperty(box2d.b2ChainShape.prototype,"m_vertices",box2d.b2ChainShape.prototype.m_vertices),box2d.b2ChainShape.prototype.m_count=0,goog.exportProperty(box2d.b2ChainShape.prototype,"m_count",box2d.b2ChainShape.prototype.m_count),box2d.b2ChainShape.prototype.m_prevVertex=null,goog.exportProperty(box2d.b2ChainShape.prototype,"m_prevVertex",box2d.b2ChainShape.prototype.m_prevVertex),box2d.b2ChainShape.prototype.m_nextVertex=null,goog.exportProperty(box2d.b2ChainShape.prototype,"m_nextVertex",box2d.b2ChainShape.prototype.m_nextVertex),box2d.b2ChainShape.prototype.m_hasPrevVertex=!1,goog.exportProperty(box2d.b2ChainShape.prototype,"m_hasPrevVertex",box2d.b2ChainShape.prototype.m_hasPrevVertex),box2d.b2ChainShape.prototype.m_hasNextVertex=!1,goog.exportProperty(box2d.b2ChainShape.prototype,"m_hasNextVertex",box2d.b2ChainShape.prototype.m_hasNextVertex),box2d.b2ChainShape.prototype.Clear=function(){this.m_vertices=null,this.m_count=0},goog.exportProperty(box2d.b2ChainShape.prototype,"Clear",box2d.b2ChainShape.prototype.Clear),box2d.b2ChainShape.prototype.CreateLoop=function(o,t){if(t=t||o.length,box2d.ENABLE_ASSERTS&&box2d.b2Assert(null===this.m_vertices&&0===this.m_count),box2d.ENABLE_ASSERTS&&box2d.b2Assert(3<=t),box2d.ENABLE_ASSERTS)for(var e=1;e<t;++e)box2d.b2Assert(box2d.b2DistanceSquared(o[e-1],o[e])>box2d.b2_linearSlop*box2d.b2_linearSlop);for(this.m_count=t+1,this.m_vertices=box2d.b2Vec2.MakeArray(this.m_count),e=0;e<t;++e)this.m_vertices[e].Copy(o[e]);return this.m_vertices[t].Copy(this.m_vertices[0]),this.m_prevVertex.Copy(this.m_vertices[this.m_count-2]),this.m_nextVertex.Copy(this.m_vertices[1]),this.m_hasNextVertex=this.m_hasPrevVertex=!0,this},goog.exportProperty(box2d.b2ChainShape.prototype,"CreateLoop",box2d.b2ChainShape.prototype.CreateLoop),box2d.b2ChainShape.prototype.CreateChain=function(o,t){if(t=t||o.length,box2d.ENABLE_ASSERTS&&box2d.b2Assert(null===this.m_vertices&&0===this.m_count),box2d.ENABLE_ASSERTS&&box2d.b2Assert(2<=t),box2d.ENABLE_ASSERTS)for(var e=1;e<t;++e)box2d.b2Assert(box2d.b2DistanceSquared(o[e-1],o[e])>box2d.b2_linearSlop*box2d.b2_linearSlop);for(this.m_count=t,this.m_vertices=box2d.b2Vec2.MakeArray(t),e=0;e<t;++e)this.m_vertices[e].Copy(o[e]);return this.m_hasNextVertex=this.m_hasPrevVertex=!1,this.m_prevVertex.SetZero(),this.m_nextVertex.SetZero(),this},goog.exportProperty(box2d.b2ChainShape.prototype,"CreateChain",box2d.b2ChainShape.prototype.CreateChain),box2d.b2ChainShape.prototype.SetPrevVertex=function(o){return this.m_prevVertex.Copy(o),this.m_hasPrevVertex=!0,this},goog.exportProperty(box2d.b2ChainShape.prototype,"SetPrevVertex",box2d.b2ChainShape.prototype.SetPrevVertex),box2d.b2ChainShape.prototype.SetNextVertex=function(o){return this.m_nextVertex.Copy(o),this.m_hasNextVertex=!0,this},goog.exportProperty(box2d.b2ChainShape.prototype,"SetNextVertex",box2d.b2ChainShape.prototype.SetNextVertex),box2d.b2ChainShape.prototype.Clone=function(){return(new box2d.b2ChainShape).Copy(this)},goog.exportProperty(box2d.b2ChainShape.prototype,"Clone",box2d.b2ChainShape.prototype.Clone),box2d.b2ChainShape.prototype.Copy=function(o){return box2d.b2Shape.prototype.Copy.call(this,o),box2d.ENABLE_ASSERTS&&box2d.b2Assert(o instanceof box2d.b2ChainShape),this.CreateChain(o.m_vertices,o.m_count),this.m_prevVertex.Copy(o.m_prevVertex),this.m_nextVertex.Copy(o.m_nextVertex),this.m_hasPrevVertex=o.m_hasPrevVertex,this.m_hasNextVertex=o.m_hasNextVertex,this},goog.exportProperty(box2d.b2ChainShape.prototype,"Copy",box2d.b2ChainShape.prototype.Copy),box2d.b2ChainShape.prototype.GetChildCount=function(){return this.m_count-1},goog.exportProperty(box2d.b2ChainShape.prototype,"GetChildCount",box2d.b2ChainShape.prototype.GetChildCount),box2d.b2ChainShape.prototype.GetChildEdge=function(o,t){box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<=t&&t<this.m_count-1),o.m_type=box2d.b2ShapeType.e_edgeShape,o.m_radius=this.m_radius,o.m_vertex1.Copy(this.m_vertices[t]),o.m_vertex2.Copy(this.m_vertices[t+1]),0<t?(o.m_vertex0.Copy(this.m_vertices[t-1]),o.m_hasVertex0=!0):(o.m_vertex0.Copy(this.m_prevVertex),o.m_hasVertex0=this.m_hasPrevVertex),t<this.m_count-2?(o.m_vertex3.Copy(this.m_vertices[t+2]),o.m_hasVertex3=!0):(o.m_vertex3.Copy(this.m_nextVertex),o.m_hasVertex3=this.m_hasNextVertex)},goog.exportProperty(box2d.b2ChainShape.prototype,"GetChildEdge",box2d.b2ChainShape.prototype.GetChildEdge),box2d.b2ChainShape.prototype.TestPoint=function(o,t){return!1},goog.exportProperty(box2d.b2ChainShape.prototype,"TestPoint",box2d.b2ChainShape.prototype.TestPoint),box2d.b2ChainShape.prototype.ComputeDistance=function(o,t,e,r){var i=box2d.b2ChainShape.prototype.ComputeDistance.s_edgeShape;return this.GetChildEdge(i,r),i.ComputeDistance(o,t,e,0)},goog.exportProperty(box2d.b2ChainShape.prototype,"ComputeDistance",box2d.b2ChainShape.prototype.ComputeDistance),box2d.b2ChainShape.prototype.ComputeDistance.s_edgeShape=new box2d.b2EdgeShape,box2d.b2ChainShape.prototype.RayCast=function(o,t,e,r){box2d.ENABLE_ASSERTS&&box2d.b2Assert(r<this.m_count);var i=box2d.b2ChainShape.prototype.RayCast.s_edgeShape;return i.m_vertex1.Copy(this.m_vertices[r]),i.m_vertex2.Copy(this.m_vertices[(r+1)%this.m_count]),i.RayCast(o,t,e,0)},goog.exportProperty(box2d.b2ChainShape.prototype,"RayCast",box2d.b2ChainShape.prototype.RayCast),box2d.b2ChainShape.prototype.RayCast.s_edgeShape=new box2d.b2EdgeShape,box2d.b2ChainShape.prototype.ComputeAABB=function(o,t,e){box2d.ENABLE_ASSERTS&&box2d.b2Assert(e<this.m_count);var r=this.m_vertices[(e+1)%this.m_count];e=box2d.b2Mul_X_V2(t,this.m_vertices[e],box2d.b2ChainShape.prototype.ComputeAABB.s_v1),t=box2d.b2Mul_X_V2(t,r,box2d.b2ChainShape.prototype.ComputeAABB.s_v2),box2d.b2Min_V2_V2(e,t,o.lowerBound),box2d.b2Max_V2_V2(e,t,o.upperBound)},goog.exportProperty(box2d.b2ChainShape.prototype,"ComputeAABB",box2d.b2ChainShape.prototype.ComputeAABB),box2d.b2ChainShape.prototype.ComputeAABB.s_v1=new box2d.b2Vec2,goog.exportProperty(box2d.b2ChainShape.prototype.ComputeAABB,"s_v1",box2d.b2ChainShape.prototype.ComputeAABB.s_v1),box2d.b2ChainShape.prototype.ComputeAABB.s_v2=new box2d.b2Vec2,goog.exportProperty(box2d.b2ChainShape.prototype.ComputeAABB,"s_v2",box2d.b2ChainShape.prototype.ComputeAABB.s_v2),box2d.b2ChainShape.prototype.ComputeMass=function(o,t){o.mass=0,o.center.SetZero(),o.I=0},goog.exportProperty(box2d.b2ChainShape.prototype,"ComputeMass",box2d.b2ChainShape.prototype.ComputeMass),box2d.b2ChainShape.prototype.SetupDistanceProxy=function(o,t){box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<=t&&t<this.m_count),o.m_buffer[0].Copy(this.m_vertices[t]),t+1<this.m_count?o.m_buffer[1].Copy(this.m_vertices[t+1]):o.m_buffer[1].Copy(this.m_vertices[0]),o.m_vertices=o.m_buffer,o.m_count=2,o.m_radius=this.m_radius},box2d.b2ChainShape.prototype.ComputeSubmergedArea=function(o,t,e,r){return r.SetZero(),0},goog.exportProperty(box2d.b2ChainShape.prototype,"ComputeSubmergedArea",box2d.b2ChainShape.prototype.ComputeSubmergedArea),box2d.b2ChainShape.prototype.Dump=function(){box2d.b2Log("    /*box2d.b2ChainShape*/ var shape = new box2d.b2ChainShape();\n"),box2d.b2Log("    /*box2d.b2Vec2[]*/ var vs = box2d.b2Vec2.MakeArray(%d);\n",box2d.b2_maxPolygonVertices);for(var o=0;o<this.m_count;++o)box2d.b2Log("    vs[%d].Set(%.15f, %.15f);\n",o,this.m_vertices[o].x,this.m_vertices[o].y);box2d.b2Log("    shape.CreateChain(vs, %d);\n",this.m_count),box2d.b2Log("    shape.m_prevVertex.Set(%.15f, %.15f);\n",this.m_prevVertex.x,this.m_prevVertex.y),box2d.b2Log("    shape.m_nextVertex.Set(%.15f, %.15f);\n",this.m_nextVertex.x,this.m_nextVertex.y),box2d.b2Log("    shape.m_hasPrevVertex = %s;\n",this.m_hasPrevVertex?"true":"false"),box2d.b2Log("    shape.m_hasNextVertex = %s;\n",this.m_hasNextVertex?"true":"false")},goog.exportProperty(box2d.b2ChainShape.prototype,"Dump",box2d.b2ChainShape.prototype.Dump),box2d.b2PolygonShape=function(){box2d.b2Shape.call(this,box2d.b2ShapeType.e_polygonShape,box2d.b2_polygonRadius),this.m_centroid=new box2d.b2Vec2(0,0),this.m_vertices=box2d.b2Vec2.MakeArray(box2d.b2_maxPolygonVertices),this.m_normals=box2d.b2Vec2.MakeArray(box2d.b2_maxPolygonVertices)},goog.inherits(box2d.b2PolygonShape,box2d.b2Shape),goog.exportSymbol("box2d.b2PolygonShape",box2d.b2PolygonShape),box2d.b2PolygonShape.prototype.m_centroid=null,goog.exportProperty(box2d.b2PolygonShape.prototype,"m_centroid",box2d.b2PolygonShape.prototype.m_centroid),box2d.b2PolygonShape.prototype.m_vertices=null,goog.exportProperty(box2d.b2PolygonShape.prototype,"m_vertices",box2d.b2PolygonShape.prototype.m_vertices),box2d.b2PolygonShape.prototype.m_normals=null,goog.exportProperty(box2d.b2PolygonShape.prototype,"m_normals",box2d.b2PolygonShape.prototype.m_normals),box2d.b2PolygonShape.prototype.m_count=0,goog.exportProperty(box2d.b2PolygonShape.prototype,"m_count",box2d.b2PolygonShape.prototype.m_count),box2d.b2PolygonShape.prototype.Clone=function(){return(new box2d.b2PolygonShape).Copy(this)},goog.exportProperty(box2d.b2PolygonShape.prototype,"Clone",box2d.b2PolygonShape.prototype.Clone),box2d.b2PolygonShape.prototype.Copy=function(o){box2d.b2Shape.prototype.Copy.call(this,o),box2d.ENABLE_ASSERTS&&box2d.b2Assert(o instanceof box2d.b2PolygonShape),this.m_centroid.Copy(o.m_centroid),this.m_count=o.m_count;for(var t=0,e=this.m_count;t<e;++t)this.m_vertices[t].Copy(o.m_vertices[t]),this.m_normals[t].Copy(o.m_normals[t]);return this},goog.exportProperty(box2d.b2PolygonShape.prototype,"Copy",box2d.b2PolygonShape.prototype.Copy),box2d.b2PolygonShape.prototype.SetAsBox=function(o,t,e,r){if(this.m_count=4,this.m_vertices[0].Set(-o,-t),this.m_vertices[1].Set(o,-t),this.m_vertices[2].Set(o,t),this.m_vertices[3].Set(-o,t),this.m_normals[0].Set(0,-1),this.m_normals[1].Set(1,0),this.m_normals[2].Set(0,1),this.m_normals[3].Set(-1,0),this.m_centroid.SetZero(),e instanceof box2d.b2Vec2)for(r="number"==typeof r?r:0,this.m_centroid.Copy(e),(o=new box2d.b2Transform).SetPosition(e),o.SetRotationAngle(r),e=0,r=this.m_count;e<r;++e)box2d.b2Mul_X_V2(o,this.m_vertices[e],this.m_vertices[e]),box2d.b2Mul_R_V2(o.q,this.m_normals[e],this.m_normals[e]);return this},goog.exportProperty(box2d.b2PolygonShape.prototype,"SetAsBox",box2d.b2PolygonShape.prototype.SetAsBox),box2d.b2PolygonShape.prototype.Set=function(o,t,e){if(t="number"==typeof t?t:o.length,e="number"==typeof e?e:0,box2d.ENABLE_ASSERTS&&box2d.b2Assert(3<=t&&t<=box2d.b2_maxPolygonVertices),3>t)return this.SetAsBox(1,1);t=box2d.b2Min(t,box2d.b2_maxPolygonVertices);for(var r=box2d.b2PolygonShape.prototype.Set.s_ps,i=0,b=0;b<t;++b){for(var n=o[e+b],p=!0,s=0;s<i;++s)if(box2d.b2DistanceSquared(n,r[s])<.25*box2d.b2_linearSlop*box2d.b2_linearSlop){p=!1;break}p&&r[i++].Copy(n)}if(3>(t=i))return box2d.ENABLE_ASSERTS&&box2d.b2Assert(!1),this.SetAsBox(1,1);for(o=0,n=r[0].x,b=1;b<t;++b)((s=r[b].x)>n||s===n&&r[b].y<r[o].y)&&(o=b,n=s);for(i=box2d.b2PolygonShape.prototype.Set.s_hull,e=0,b=o;;){for(i[e]=b,p=0,s=1;s<t;++s)if(p===b)p=s;else{var a=box2d.b2Sub_V2_V2(r[p],r[i[e]],box2d.b2PolygonShape.prototype.Set.s_r),d=(n=box2d.b2Sub_V2_V2(r[s],r[i[e]],box2d.b2PolygonShape.prototype.Set.s_v),box2d.b2Cross_V2_V2(a,n));0>d&&(p=s),0===d&&n.LengthSquared()>a.LengthSquared()&&(p=s)}if(++e,b=p,p===o)break}if(3>e)return box2d.ENABLE_ASSERTS&&box2d.b2Assert(!1),this.SetAsBox(1,1);for(this.m_count=e,b=0;b<e;++b)this.m_vertices[b].Copy(r[i[b]]);for(b=0,t=e;b<t;++b)r=box2d.b2Sub_V2_V2(this.m_vertices[(b+1)%t],this.m_vertices[b],box2d.b2Vec2.s_t0),box2d.ENABLE_ASSERTS&&box2d.b2Assert(r.LengthSquared()>box2d.b2_epsilon_sq),box2d.b2Cross_V2_S(r,1,this.m_normals[b]).SelfNormalize();return box2d.b2PolygonShape.ComputeCentroid(this.m_vertices,e,this.m_centroid),this},goog.exportProperty(box2d.b2PolygonShape.prototype,"Set",box2d.b2PolygonShape.prototype.Set),box2d.b2PolygonShape.prototype.Set.s_ps=box2d.b2Vec2.MakeArray(box2d.b2_maxPolygonVertices),box2d.b2PolygonShape.prototype.Set.s_hull=box2d.b2MakeNumberArray(box2d.b2_maxPolygonVertices),box2d.b2PolygonShape.prototype.Set.s_r=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.Set.s_v=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.GetChildCount=function(){return 1},goog.exportProperty(box2d.b2PolygonShape.prototype,"GetChildCount",box2d.b2PolygonShape.prototype.GetChildCount),box2d.b2PolygonShape.prototype.TestPoint=function(o,t){for(var e=box2d.b2MulT_X_V2(o,t,box2d.b2PolygonShape.prototype.TestPoint.s_pLocal),r=0,i=this.m_count;r<i;++r)if(0<box2d.b2Dot_V2_V2(this.m_normals[r],box2d.b2Sub_V2_V2(e,this.m_vertices[r],box2d.b2Vec2.s_t0)))return!1;return!0},goog.exportProperty(box2d.b2PolygonShape.prototype,"TestPoint",box2d.b2PolygonShape.prototype.TestPoint),box2d.b2PolygonShape.prototype.TestPoint.s_pLocal=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.ComputeDistance=function(o,t,e,r){t=box2d.b2MulT_X_V2(o,t,box2d.b2PolygonShape.prototype.ComputeDistance.s_pLocal);var i=-box2d.b2_maxFloat,b=box2d.b2PolygonShape.prototype.ComputeDistance.s_normalForMaxDistance.Copy(t);for(r=0;r<this.m_count;++r){(n=box2d.b2Dot_V2_V2(this.m_normals[r],box2d.b2Sub_V2_V2(t,this.m_vertices[r],box2d.b2Vec2.s_t0)))>i&&(i=n,b.Copy(this.m_normals[r]))}if(0<i){for(b=box2d.b2PolygonShape.prototype.ComputeDistance.s_minDistance.Copy(b),i*=i,r=0;r<this.m_count;++r){var n,p=(n=box2d.b2Sub_V2_V2(t,this.m_vertices[r],box2d.b2PolygonShape.prototype.ComputeDistance.s_distance)).LengthSquared();i>p&&(b.Copy(n),i=p)}return box2d.b2Mul_R_V2(o.q,b,e),e.Normalize(),Math.sqrt(i)}return box2d.b2Mul_R_V2(o.q,b,e),i},goog.exportProperty(box2d.b2PolygonShape.prototype,"ComputeDistance",box2d.b2PolygonShape.prototype.ComputeDistance),box2d.b2PolygonShape.prototype.ComputeDistance.s_pLocal=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.ComputeDistance.s_normalForMaxDistance=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.ComputeDistance.s_minDistance=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.ComputeDistance.s_distance=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.RayCast=function(o,t,e,r){r=box2d.b2MulT_X_V2(e,t.p1,box2d.b2PolygonShape.prototype.RayCast.s_p1);for(var i=box2d.b2MulT_X_V2(e,t.p2,box2d.b2PolygonShape.prototype.RayCast.s_p2),b=(i=box2d.b2Sub_V2_V2(i,r,box2d.b2PolygonShape.prototype.RayCast.s_d),0),n=t.maxFraction,p=-1,s=0,a=this.m_count;s<a;++s){var d=box2d.b2Dot_V2_V2(this.m_normals[s],box2d.b2Sub_V2_V2(this.m_vertices[s],r,box2d.b2Vec2.s_t0)),l=box2d.b2Dot_V2_V2(this.m_normals[s],i);if(0===l){if(0>d)return!1}else 0>l&&d<b*l?(b=d/l,p=s):0<l&&d<n*l&&(n=d/l);if(n<b)return!1}return box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<=b&&b<=t.maxFraction),0<=p&&(o.fraction=b,box2d.b2Mul_R_V2(e.q,this.m_normals[p],o.normal),!0)},goog.exportProperty(box2d.b2PolygonShape.prototype,"RayCast",box2d.b2PolygonShape.prototype.RayCast),box2d.b2PolygonShape.prototype.RayCast.s_p1=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.RayCast.s_p2=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.RayCast.s_d=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.ComputeAABB=function(o,t,e){e=box2d.b2Mul_X_V2(t,this.m_vertices[0],o.lowerBound),o=o.upperBound.Copy(e);for(var r=0,i=this.m_count;r<i;++r){var b=box2d.b2Mul_X_V2(t,this.m_vertices[r],box2d.b2PolygonShape.prototype.ComputeAABB.s_v);box2d.b2Min_V2_V2(b,e,e),box2d.b2Max_V2_V2(b,o,o)}t=this.m_radius,e.SelfSubXY(t,t),o.SelfAddXY(t,t)},goog.exportProperty(box2d.b2PolygonShape.prototype,"ComputeAABB",box2d.b2PolygonShape.prototype.ComputeAABB),box2d.b2PolygonShape.prototype.ComputeAABB.s_v=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.ComputeMass=function(o,t){box2d.ENABLE_ASSERTS&&box2d.b2Assert(3<=this.m_count);for(var e=box2d.b2PolygonShape.prototype.ComputeMass.s_center.SetZero(),r=0,i=0,b=box2d.b2PolygonShape.prototype.ComputeMass.s_s.SetZero(),n=0,p=this.m_count;n<p;++n)b.SelfAdd(this.m_vertices[n]);b.SelfMul(1/this.m_count);for(n=0,p=this.m_count;n<p;++n){var s=box2d.b2Sub_V2_V2(this.m_vertices[n],b,box2d.b2PolygonShape.prototype.ComputeMass.s_e1),a=box2d.b2Sub_V2_V2(this.m_vertices[(n+1)%p],b,box2d.b2PolygonShape.prototype.ComputeMass.s_e2),d=box2d.b2Cross_V2_V2(s,a);r=r+(l=.5*d);e.SelfAdd(box2d.b2Mul_S_V2(l*(1/3),box2d.b2Add_V2_V2(s,a,box2d.b2Vec2.s_t0),box2d.b2Vec2.s_t1));var l=s.x,x=(s=s.y,a.x);i=i+1/3*.25*d*(l*l+x*l+x*x+(s*s+(a=a.y)*s+a*a))}o.mass=t*r,box2d.ENABLE_ASSERTS&&box2d.b2Assert(r>box2d.b2_epsilon),e.SelfMul(1/r),box2d.b2Add_V2_V2(e,b,o.center),o.I=t*i,o.I+=o.mass*(box2d.b2Dot_V2_V2(o.center,o.center)-box2d.b2Dot_V2_V2(e,e))},goog.exportProperty(box2d.b2PolygonShape.prototype,"ComputeMass",box2d.b2PolygonShape.prototype.ComputeMass),box2d.b2PolygonShape.prototype.ComputeMass.s_center=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.ComputeMass.s_s=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.ComputeMass.s_e1=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.ComputeMass.s_e2=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.Validate=function(){for(var o=0;o<this.m_count;++o)for(var t=o,e=(o+1)%this.m_count,r=this.m_vertices[t],i=box2d.b2Sub_V2_V2(this.m_vertices[e],r,box2d.b2PolygonShape.prototype.Validate.s_e),b=0;b<this.m_count;++b)if(b!==t&&b!==e){var n=box2d.b2Sub_V2_V2(this.m_vertices[b],r,box2d.b2PolygonShape.prototype.Validate.s_v);if(0>box2d.b2Cross_V2_V2(i,n))return!1}return!0},goog.exportProperty(box2d.b2PolygonShape.prototype,"Validate",box2d.b2PolygonShape.prototype.Validate),box2d.b2PolygonShape.prototype.Validate.s_e=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.Validate.s_v=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.SetupDistanceProxy=function(o,t){o.m_vertices=this.m_vertices,o.m_count=this.m_count,o.m_radius=this.m_radius},box2d.b2PolygonShape.prototype.ComputeSubmergedArea=function(o,t,e,r){var i=box2d.b2MulT_R_V2(e.q,o,box2d.b2PolygonShape.prototype.ComputeSubmergedArea.s_normalL),b=t-box2d.b2Dot_V2_V2(o,e.p),n=box2d.b2PolygonShape.prototype.ComputeSubmergedArea.s_depths,p=0,s=-1;t=-1;var a=!1;o=0;for(var d=this.m_count;o<d;++o){n[o]=box2d.b2Dot_V2_V2(i,this.m_vertices[o])-b;var l=n[o]<-box2d.b2_epsilon;0<o&&(l?a||(s=o-1,p++):a&&(t=o-1,p++)),a=l}switch(p){case 0:return a?(o=box2d.b2PolygonShape.prototype.ComputeSubmergedArea.s_md,this.ComputeMass(o,1),box2d.b2Mul_X_V2(e,o.center,r),o.mass):0;case 1:-1===s?s=this.m_count-1:t=this.m_count-1}for(o=(s+1)%this.m_count,i=(t+1)%this.m_count,b=(0-n[s])/(n[o]-n[s]),n=(0-n[t])/(n[i]-n[t]),s=box2d.b2PolygonShape.prototype.ComputeSubmergedArea.s_intoVec.Set(this.m_vertices[s].x*(1-b)+this.m_vertices[o].x*b,this.m_vertices[s].y*(1-b)+this.m_vertices[o].y*b),t=box2d.b2PolygonShape.prototype.ComputeSubmergedArea.s_outoVec.Set(this.m_vertices[t].x*(1-n)+this.m_vertices[i].x*n,this.m_vertices[t].y*(1-n)+this.m_vertices[i].y*n),n=0,b=box2d.b2PolygonShape.prototype.ComputeSubmergedArea.s_center.SetZero(),p=this.m_vertices[o],a=null;o!==i;)a=(o=(o+1)%this.m_count)===i?t:this.m_vertices[o],n+=d=.5*((p.x-s.x)*(a.y-s.y)-(p.y-s.y)*(a.x-s.x)),b.x+=d*(s.x+p.x+a.x)/3,b.y+=d*(s.y+p.y+a.y)/3,p=a;return b.SelfMul(1/n),box2d.b2Mul_X_V2(e,b,r),n},goog.exportProperty(box2d.b2PolygonShape.prototype,"ComputeSubmergedArea",box2d.b2PolygonShape.prototype.ComputeSubmergedArea),box2d.b2PolygonShape.prototype.ComputeSubmergedArea.s_normalL=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.ComputeSubmergedArea.s_depths=box2d.b2MakeNumberArray(box2d.b2_maxPolygonVertices),box2d.b2PolygonShape.prototype.ComputeSubmergedArea.s_md=new box2d.b2MassData,box2d.b2PolygonShape.prototype.ComputeSubmergedArea.s_intoVec=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.ComputeSubmergedArea.s_outoVec=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.ComputeSubmergedArea.s_center=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.Dump=function(){box2d.b2Log("    /*box2d.b2PolygonShape*/ var shape = new box2d.b2PolygonShape();\n"),box2d.b2Log("    /*box2d.b2Vec2[]*/ var vs = box2d.b2Vec2.MakeArray(%d);\n",box2d.b2_maxPolygonVertices);for(var o=0;o<this.m_count;++o)box2d.b2Log("    vs[%d].Set(%.15f, %.15f);\n",o,this.m_vertices[o].x,this.m_vertices[o].y);box2d.b2Log("    shape.Set(vs, %d);\n",this.m_count)},goog.exportProperty(box2d.b2PolygonShape.prototype,"Dump",box2d.b2PolygonShape.prototype.Dump),box2d.b2PolygonShape.ComputeCentroid=function(o,t,e){box2d.ENABLE_ASSERTS&&box2d.b2Assert(3<=t),e.SetZero();for(var r=0,i=box2d.b2PolygonShape.ComputeCentroid.s_pRef.SetZero(),b=0;b<t;++b){var n=i,p=o[b],s=o[(b+1)%t],a=box2d.b2Sub_V2_V2(p,n,box2d.b2PolygonShape.ComputeCentroid.s_e1),d=box2d.b2Sub_V2_V2(s,n,box2d.b2PolygonShape.ComputeCentroid.s_e2);r=r+(a=.5*box2d.b2Cross_V2_V2(a,d));e.x+=a*(1/3)*(n.x+p.x+s.x),e.y+=a*(1/3)*(n.y+p.y+s.y)}return box2d.ENABLE_ASSERTS&&box2d.b2Assert(r>box2d.b2_epsilon),e.SelfMul(1/r),e},goog.exportProperty(box2d.b2PolygonShape,"ComputeCentroid",box2d.b2PolygonShape.ComputeCentroid),box2d.b2PolygonShape.ComputeCentroid.s_pRef=new box2d.b2Vec2,box2d.b2PolygonShape.ComputeCentroid.s_e1=new box2d.b2Vec2,box2d.b2PolygonShape.ComputeCentroid.s_e2=new box2d.b2Vec2,box2d.b2Timer=function(){this.m_start=(new Date).getTime()},goog.exportSymbol("box2d.b2Timer",box2d.b2Timer),box2d.b2Timer.prototype.m_start=0,goog.exportProperty(box2d.b2Timer.prototype,"m_start",box2d.b2Timer.prototype.m_start),box2d.b2Timer.prototype.Reset=function(){return this.m_start=(new Date).getTime(),this},goog.exportProperty(box2d.b2Timer.prototype,"Reset",box2d.b2Timer.prototype.Reset),box2d.b2Timer.prototype.GetMilliseconds=function(){return(new Date).getTime()-this.m_start},goog.exportProperty(box2d.b2Timer.prototype,"GetMilliseconds",box2d.b2Timer.prototype.GetMilliseconds),box2d.b2Counter=function(){},goog.exportSymbol("box2d.b2Counter",box2d.b2Counter),box2d.b2Counter.prototype.m_count=0,goog.exportProperty(box2d.b2Counter.prototype,"m_count",box2d.b2Counter.prototype.m_count),box2d.b2Counter.prototype.m_min_count=0,goog.exportProperty(box2d.b2Counter.prototype,"m_min_count",box2d.b2Counter.prototype.m_min_count),box2d.b2Counter.prototype.m_max_count=0,goog.exportProperty(box2d.b2Counter.prototype,"m_max_count",box2d.b2Counter.prototype.m_max_count),box2d.b2Counter.prototype.GetCount=function(){return this.m_count},goog.exportProperty(box2d.b2Counter.prototype,"GetCount",box2d.b2Counter.prototype.GetCount),box2d.b2Counter.prototype.GetMinCount=function(){return this.m_min_count},goog.exportProperty(box2d.b2Counter.prototype,"GetMinCount",box2d.b2Counter.prototype.GetMinCount),box2d.b2Counter.prototype.GetMaxCount=function(){return this.m_max_count},goog.exportProperty(box2d.b2Counter.prototype,"GetMaxCount",box2d.b2Counter.prototype.GetMaxCount),box2d.b2Counter.prototype.ResetCount=function(){var o=this.m_count;return this.m_count=0,o},goog.exportProperty(box2d.b2Counter.prototype,"ResetCount",box2d.b2Counter.prototype.ResetCount),box2d.b2Counter.prototype.ResetMinCount=function(){this.m_min_count=0},goog.exportProperty(box2d.b2Counter.prototype,"ResetMinCount",box2d.b2Counter.prototype.ResetMinCount),box2d.b2Counter.prototype.ResetMaxCount=function(){this.m_max_count=0},goog.exportProperty(box2d.b2Counter.prototype,"ResetMaxCount",box2d.b2Counter.prototype.ResetMaxCount),box2d.b2Counter.prototype.Increment=function(){this.m_count++,this.m_max_count<this.m_count&&(this.m_max_count=this.m_count)},goog.exportProperty(box2d.b2Counter.prototype,"Increment",box2d.b2Counter.prototype.Increment),box2d.b2Counter.prototype.Decrement=function(){this.m_count--,this.m_min_count>this.m_count&&(this.m_min_count=this.m_count)},goog.exportProperty(box2d.b2Counter.prototype,"Decrement",box2d.b2Counter.prototype.Decrement),box2d.b2_toiTime=0,goog.exportSymbol("box2d.b2_toiTime",box2d.b2_toiTime),box2d.b2_toiMaxTime=0,goog.exportSymbol("box2d.b2_toiMaxTime",box2d.b2_toiMaxTime),box2d.b2_toiCalls=0,goog.exportSymbol("box2d.b2_toiCalls",box2d.b2_toiCalls),box2d.b2_toiIters=0,goog.exportSymbol("box2d.b2_toiIters",box2d.b2_toiIters),box2d.b2_toiMaxIters=0,goog.exportSymbol("box2d.b2_toiMaxIters",box2d.b2_toiMaxIters),box2d.b2_toiRootIters=0,goog.exportSymbol("box2d.b2_toiRootIters",box2d.b2_toiRootIters),box2d.b2_toiMaxRootIters=0,goog.exportSymbol("box2d.b2_toiMaxRootIters",box2d.b2_toiMaxRootIters),box2d.b2TOIInput=function(){this.proxyA=new box2d.b2DistanceProxy,this.proxyB=new box2d.b2DistanceProxy,this.sweepA=new box2d.b2Sweep,this.sweepB=new box2d.b2Sweep},goog.exportSymbol("box2d.b2TOIInput",box2d.b2TOIInput),box2d.b2TOIInput.prototype.proxyA=null,goog.exportProperty(box2d.b2TOIInput.prototype,"proxyA",box2d.b2TOIInput.prototype.proxyA),box2d.b2TOIInput.prototype.proxyB=null,goog.exportProperty(box2d.b2TOIInput.prototype,"proxyB",box2d.b2TOIInput.prototype.proxyB),box2d.b2TOIInput.prototype.sweepA=null,goog.exportProperty(box2d.b2TOIInput.prototype,"sweepA",box2d.b2TOIInput.prototype.sweepA),box2d.b2TOIInput.prototype.sweepB=null,goog.exportProperty(box2d.b2TOIInput.prototype,"sweepB",box2d.b2TOIInput.prototype.sweepB),box2d.b2TOIInput.prototype.tMax=0,goog.exportProperty(box2d.b2TOIInput.prototype,"tMax",box2d.b2TOIInput.prototype.tMax),box2d.b2TOIOutputState={e_unknown:0,e_failed:1,e_overlapped:2,e_touching:3,e_separated:4},goog.exportSymbol("box2d.b2TOIOutputState",box2d.b2TOIOutputState),goog.exportProperty(box2d.b2TOIOutputState,"e_unknown",box2d.b2TOIOutputState.e_unknown),goog.exportProperty(box2d.b2TOIOutputState,"e_failed",box2d.b2TOIOutputState.e_failed),goog.exportProperty(box2d.b2TOIOutputState,"e_overlapped",box2d.b2TOIOutputState.e_overlapped),goog.exportProperty(box2d.b2TOIOutputState,"e_touching",box2d.b2TOIOutputState.e_touching),goog.exportProperty(box2d.b2TOIOutputState,"e_separated",box2d.b2TOIOutputState.e_separated),box2d.b2TOIOutput=function(){},goog.exportSymbol("box2d.b2TOIOutput",box2d.b2TOIOutput),box2d.b2TOIOutput.prototype.state=box2d.b2TOIOutputState.e_unknown,goog.exportProperty(box2d.b2TOIOutput.prototype,"state",box2d.b2TOIOutput.prototype.state),box2d.b2TOIOutput.prototype.t=0,goog.exportProperty(box2d.b2TOIOutput.prototype,"t",box2d.b2TOIOutput.prototype.t),box2d.b2SeparationFunctionType={e_unknown:-1,e_points:0,e_faceA:1,e_faceB:2},goog.exportSymbol("box2d.b2SeparationFunctionType",box2d.b2SeparationFunctionType),goog.exportProperty(box2d.b2SeparationFunctionType,"e_unknown",box2d.b2SeparationFunctionType.e_unknown),goog.exportProperty(box2d.b2SeparationFunctionType,"e_points",box2d.b2SeparationFunctionType.e_points),goog.exportProperty(box2d.b2SeparationFunctionType,"e_faceA",box2d.b2SeparationFunctionType.e_faceA),goog.exportProperty(box2d.b2SeparationFunctionType,"e_faceB",box2d.b2SeparationFunctionType.e_faceB),box2d.b2SeparationFunction=function(){this.m_sweepA=new box2d.b2Sweep,this.m_sweepB=new box2d.b2Sweep,this.m_localPoint=new box2d.b2Vec2,this.m_axis=new box2d.b2Vec2},goog.exportSymbol("box2d.b2SeparationFunction",box2d.b2SeparationFunction),box2d.b2SeparationFunction.prototype.m_proxyA=null,goog.exportProperty(box2d.b2SeparationFunction.prototype,"m_proxyA",box2d.b2SeparationFunction.prototype.m_proxyA),box2d.b2SeparationFunction.prototype.m_proxyB=null,goog.exportProperty(box2d.b2SeparationFunction.prototype,"m_proxyB",box2d.b2SeparationFunction.prototype.m_proxyB),box2d.b2SeparationFunction.prototype.m_sweepA=null,goog.exportProperty(box2d.b2SeparationFunction.prototype,"m_sweepA",box2d.b2SeparationFunction.prototype.m_sweepA),box2d.b2SeparationFunction.prototype.m_sweepB=null,goog.exportProperty(box2d.b2SeparationFunction.prototype,"m_sweepB",box2d.b2SeparationFunction.prototype.m_sweepB),box2d.b2SeparationFunction.prototype.m_type=box2d.b2SeparationFunctionType.e_unknown,goog.exportProperty(box2d.b2SeparationFunction.prototype,"m_type",box2d.b2SeparationFunction.prototype.m_type),box2d.b2SeparationFunction.prototype.m_localPoint=null,goog.exportProperty(box2d.b2SeparationFunction.prototype,"m_localPoint",box2d.b2SeparationFunction.prototype.m_localPoint),box2d.b2SeparationFunction.prototype.m_axis=null,goog.exportProperty(box2d.b2SeparationFunction.prototype,"m_axis",box2d.b2SeparationFunction.prototype.m_axis),box2d.b2SeparationFunction.prototype.Initialize=function(o,t,e,r,i,b){return this.m_proxyA=t,this.m_proxyB=r,t=o.count,box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<t&&3>t),this.m_sweepA.Copy(e),this.m_sweepB.Copy(i),e=box2d.b2TimeOfImpact.s_xfA,i=box2d.b2TimeOfImpact.s_xfB,this.m_sweepA.GetTransform(e,b),this.m_sweepB.GetTransform(i,b),1===t?(this.m_type=box2d.b2SeparationFunctionType.e_points,t=this.m_proxyA.GetVertex(o.indexA[0]),o=this.m_proxyB.GetVertex(o.indexB[0]),e=box2d.b2Mul_X_V2(e,t,box2d.b2TimeOfImpact.s_pointA),i=box2d.b2Mul_X_V2(i,o,box2d.b2TimeOfImpact.s_pointB),box2d.b2Sub_V2_V2(i,e,this.m_axis),o=this.m_axis.Normalize(),this.m_localPoint.SetZero()):(o.indexA[0]===o.indexA[1]?(this.m_type=box2d.b2SeparationFunctionType.e_faceB,t=this.m_proxyB.GetVertex(o.indexB[0]),r=this.m_proxyB.GetVertex(o.indexB[1]),box2d.b2Cross_V2_S(box2d.b2Sub_V2_V2(r,t,box2d.b2Vec2.s_t0),1,this.m_axis).SelfNormalize(),b=box2d.b2Mul_R_V2(i.q,this.m_axis,box2d.b2TimeOfImpact.s_normal),box2d.b2Mid_V2_V2(t,r,this.m_localPoint),i=box2d.b2Mul_X_V2(i,this.m_localPoint,box2d.b2TimeOfImpact.s_pointB),t=this.m_proxyA.GetVertex(o.indexA[0]),e=box2d.b2Mul_X_V2(e,t,box2d.b2TimeOfImpact.s_pointA),o=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(e,i,box2d.b2Vec2.s_t0),b)):(this.m_type=box2d.b2SeparationFunctionType.e_faceA,t=this.m_proxyA.GetVertex(o.indexA[0]),r=this.m_proxyA.GetVertex(o.indexA[1]),box2d.b2Cross_V2_S(box2d.b2Sub_V2_V2(r,t,box2d.b2Vec2.s_t0),1,this.m_axis).SelfNormalize(),b=box2d.b2Mul_R_V2(e.q,this.m_axis,box2d.b2TimeOfImpact.s_normal),box2d.b2Mid_V2_V2(t,r,this.m_localPoint),e=box2d.b2Mul_X_V2(e,this.m_localPoint,box2d.b2TimeOfImpact.s_pointA),o=this.m_proxyB.GetVertex(o.indexB[0]),i=box2d.b2Mul_X_V2(i,o,box2d.b2TimeOfImpact.s_pointB),o=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(i,e,box2d.b2Vec2.s_t0),b)),0>o&&(this.m_axis.SelfNeg(),o=-o)),o},goog.exportProperty(box2d.b2SeparationFunction.prototype,"Initialize",box2d.b2SeparationFunction.prototype.Initialize),box2d.b2SeparationFunction.prototype.FindMinSeparation=function(o,t,e){var r=box2d.b2TimeOfImpact.s_xfA,i=box2d.b2TimeOfImpact.s_xfB;switch(this.m_sweepA.GetTransform(r,e),this.m_sweepB.GetTransform(i,e),this.m_type){case box2d.b2SeparationFunctionType.e_points:var b=box2d.b2MulT_R_V2(r.q,this.m_axis,box2d.b2TimeOfImpact.s_axisA),n=box2d.b2MulT_R_V2(i.q,box2d.b2Vec2.s_t0.Copy(this.m_axis).SelfNeg(),box2d.b2TimeOfImpact.s_axisB);return o[0]=this.m_proxyA.GetSupport(b),t[0]=this.m_proxyB.GetSupport(n),o=this.m_proxyA.GetVertex(o[0]),t=this.m_proxyB.GetVertex(t[0]),r=box2d.b2Mul_X_V2(r,o,box2d.b2TimeOfImpact.s_pointA),i=box2d.b2Mul_X_V2(i,t,box2d.b2TimeOfImpact.s_pointB),box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(i,r,box2d.b2Vec2.s_t0),this.m_axis);case box2d.b2SeparationFunctionType.e_faceA:return e=box2d.b2Mul_R_V2(r.q,this.m_axis,box2d.b2TimeOfImpact.s_normal),r=box2d.b2Mul_X_V2(r,this.m_localPoint,box2d.b2TimeOfImpact.s_pointA),n=box2d.b2MulT_R_V2(i.q,box2d.b2Vec2.s_t0.Copy(e).SelfNeg(),box2d.b2TimeOfImpact.s_axisB),o[0]=-1,t[0]=this.m_proxyB.GetSupport(n),t=this.m_proxyB.GetVertex(t[0]),i=box2d.b2Mul_X_V2(i,t,box2d.b2TimeOfImpact.s_pointB),box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(i,r,box2d.b2Vec2.s_t0),e);case box2d.b2SeparationFunctionType.e_faceB:return e=box2d.b2Mul_R_V2(i.q,this.m_axis,box2d.b2TimeOfImpact.s_normal),i=box2d.b2Mul_X_V2(i,this.m_localPoint,box2d.b2TimeOfImpact.s_pointB),b=box2d.b2MulT_R_V2(r.q,box2d.b2Vec2.s_t0.Copy(e).SelfNeg(),box2d.b2TimeOfImpact.s_axisA),t[0]=-1,o[0]=this.m_proxyA.GetSupport(b),o=this.m_proxyA.GetVertex(o[0]),r=box2d.b2Mul_X_V2(r,o,box2d.b2TimeOfImpact.s_pointA),box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(r,i,box2d.b2Vec2.s_t0),e);default:return box2d.ENABLE_ASSERTS&&box2d.b2Assert(!1),o[0]=-1,t[0]=-1,0}},goog.exportProperty(box2d.b2SeparationFunction.prototype,"FindMinSeparation",box2d.b2SeparationFunction.prototype.FindMinSeparation),box2d.b2SeparationFunction.prototype.Evaluate=function(o,t,e){var r=box2d.b2TimeOfImpact.s_xfA,i=box2d.b2TimeOfImpact.s_xfB;switch(this.m_sweepA.GetTransform(r,e),this.m_sweepB.GetTransform(i,e),this.m_type){case box2d.b2SeparationFunctionType.e_points:return o=this.m_proxyA.GetVertex(o),t=this.m_proxyB.GetVertex(t),r=box2d.b2Mul_X_V2(r,o,box2d.b2TimeOfImpact.s_pointA),i=box2d.b2Mul_X_V2(i,t,box2d.b2TimeOfImpact.s_pointB),box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(i,r,box2d.b2Vec2.s_t0),this.m_axis);case box2d.b2SeparationFunctionType.e_faceA:return e=box2d.b2Mul_R_V2(r.q,this.m_axis,box2d.b2TimeOfImpact.s_normal),r=box2d.b2Mul_X_V2(r,this.m_localPoint,box2d.b2TimeOfImpact.s_pointA),t=this.m_proxyB.GetVertex(t),i=box2d.b2Mul_X_V2(i,t,box2d.b2TimeOfImpact.s_pointB),box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(i,r,box2d.b2Vec2.s_t0),e);case box2d.b2SeparationFunctionType.e_faceB:return e=box2d.b2Mul_R_V2(i.q,this.m_axis,box2d.b2TimeOfImpact.s_normal),i=box2d.b2Mul_X_V2(i,this.m_localPoint,box2d.b2TimeOfImpact.s_pointB),o=this.m_proxyA.GetVertex(o),r=box2d.b2Mul_X_V2(r,o,box2d.b2TimeOfImpact.s_pointA),box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(r,i,box2d.b2Vec2.s_t0),e);default:return box2d.ENABLE_ASSERTS&&box2d.b2Assert(!1),0}},goog.exportProperty(box2d.b2SeparationFunction.prototype,"Evaluate",box2d.b2SeparationFunction.prototype.Evaluate),box2d.b2TimeOfImpact=function(o,t){var e=box2d.b2TimeOfImpact.s_timer.Reset();++box2d.b2_toiCalls,o.state=box2d.b2TOIOutputState.e_unknown,o.t=t.tMax;var r=t.proxyA,i=t.proxyB,b=box2d.b2TimeOfImpact.s_sweepA.Copy(t.sweepA),n=box2d.b2TimeOfImpact.s_sweepB.Copy(t.sweepB);b.Normalize(),n.Normalize();var p=t.tMax,s=box2d.b2Max(box2d.b2_linearSlop,r.m_radius+i.m_radius-3*box2d.b2_linearSlop),a=.25*box2d.b2_linearSlop;box2d.ENABLE_ASSERTS&&box2d.b2Assert(s>a);var d=0,l=0,x=box2d.b2TimeOfImpact.s_cache;x.count=0;var y=box2d.b2TimeOfImpact.s_distanceInput;for(y.proxyA=t.proxyA,y.proxyB=t.proxyB,y.useRadii=!1;;){var c=box2d.b2TimeOfImpact.s_xfA,_=box2d.b2TimeOfImpact.s_xfB;if(b.GetTransform(c,d),n.GetTransform(_,d),y.transformA.Copy(c),y.transformB.Copy(_),c=box2d.b2TimeOfImpact.s_distanceOutput,box2d.b2ShapeDistance(c,x,y),0>=c.distance){o.state=box2d.b2TOIOutputState.e_overlapped,o.t=0;break}if(c.distance<s+a){o.state=box2d.b2TOIOutputState.e_touching,o.t=d;break}(c=box2d.b2TimeOfImpact.s_fcn).Initialize(x,r,b,i,n,d);_=!1;for(var m=p,u=0;;){var h=box2d.b2TimeOfImpact.s_indexA,g=box2d.b2TimeOfImpact.s_indexB,f=c.FindMinSeparation(h,g,m);if(f>s+a){o.state=box2d.b2TOIOutputState.e_separated,o.t=p,_=!0;break}if(f>s-a){d=m;break}var S=c.Evaluate(h[0],g[0],d);if(S<s-a){o.state=box2d.b2TOIOutputState.e_failed,o.t=d,_=!0;break}if(S<=s+a){o.state=box2d.b2TOIOutputState.e_touching,o.t=d,_=!0;break}for(var P=0,C=d,A=m;;){var B=1&P?C+(s-S)*(A-C)/(f-S):.5*(C+A);++P,++box2d.b2_toiRootIters;var v=c.Evaluate(h[0],g[0],B);if(box2d.b2Abs(v-s)<a){m=B;break}if(v>s?(C=B,S=v):(A=B,f=v),50===P)break}if(box2d.b2_toiMaxRootIters=box2d.b2Max(box2d.b2_toiMaxRootIters,P),++u===box2d.b2_maxPolygonVertices)break}if(++l,++box2d.b2_toiIters,_)break;if(20===l){o.state=box2d.b2TOIOutputState.e_failed,o.t=d;break}}box2d.b2_toiMaxIters=box2d.b2Max(box2d.b2_toiMaxIters,l),e=e.GetMilliseconds(),box2d.b2_toiMaxTime=box2d.b2Max(box2d.b2_toiMaxTime,e),box2d.b2_toiTime+=e},goog.exportSymbol("box2d.b2TimeOfImpact",box2d.b2TimeOfImpact),box2d.b2TimeOfImpact.s_timer=new box2d.b2Timer,box2d.b2TimeOfImpact.s_cache=new box2d.b2SimplexCache,box2d.b2TimeOfImpact.s_distanceInput=new box2d.b2DistanceInput,box2d.b2TimeOfImpact.s_distanceOutput=new box2d.b2DistanceOutput,box2d.b2TimeOfImpact.s_xfA=new box2d.b2Transform,box2d.b2TimeOfImpact.s_xfB=new box2d.b2Transform,box2d.b2TimeOfImpact.s_indexA=box2d.b2MakeNumberArray(1),box2d.b2TimeOfImpact.s_indexB=box2d.b2MakeNumberArray(1),box2d.b2TimeOfImpact.s_fcn=new box2d.b2SeparationFunction,box2d.b2TimeOfImpact.s_sweepA=new box2d.b2Sweep,box2d.b2TimeOfImpact.s_sweepB=new box2d.b2Sweep,box2d.b2TimeOfImpact.s_pointA=new box2d.b2Vec2,box2d.b2TimeOfImpact.s_pointB=new box2d.b2Vec2,box2d.b2TimeOfImpact.s_normal=new box2d.b2Vec2,box2d.b2TimeOfImpact.s_axisA=new box2d.b2Vec2,box2d.b2TimeOfImpact.s_axisB=new box2d.b2Vec2,box2d.b2Filter=function(){},goog.exportSymbol("box2d.b2Filter",box2d.b2Filter),box2d.b2Filter.prototype.categoryBits=1,goog.exportProperty(box2d.b2Filter.prototype,"categoryBits",box2d.b2Filter.prototype.categoryBits),box2d.b2Filter.prototype.maskBits=65535,goog.exportProperty(box2d.b2Filter.prototype,"maskBits",box2d.b2Filter.prototype.maskBits),box2d.b2Filter.prototype.groupIndex=0,goog.exportProperty(box2d.b2Filter.prototype,"groupIndex",box2d.b2Filter.prototype.groupIndex),box2d.b2Filter.prototype.Clone=function(){return(new box2d.b2Filter).Copy(this)},goog.exportProperty(box2d.b2Filter.prototype,"Clone",box2d.b2Filter.prototype.Clone),box2d.b2Filter.prototype.Copy=function(o){return box2d.ENABLE_ASSERTS&&box2d.b2Assert(this!==o),this.categoryBits=o.categoryBits,this.maskBits=o.maskBits,this.groupIndex=o.groupIndex,this},goog.exportProperty(box2d.b2Filter.prototype,"Copy",box2d.b2Filter.prototype.Copy),box2d.b2FixtureDef=function(){this.filter=new box2d.b2Filter},goog.exportSymbol("box2d.b2FixtureDef",box2d.b2FixtureDef),box2d.b2FixtureDef.prototype.shape=null,goog.exportProperty(box2d.b2FixtureDef.prototype,"shape",box2d.b2FixtureDef.prototype.shape),box2d.b2FixtureDef.prototype.userData=null,goog.exportProperty(box2d.b2FixtureDef.prototype,"userData",box2d.b2FixtureDef.prototype.userData),box2d.b2FixtureDef.prototype.friction=.2,goog.exportProperty(box2d.b2FixtureDef.prototype,"friction",box2d.b2FixtureDef.prototype.friction),box2d.b2FixtureDef.prototype.restitution=0,goog.exportProperty(box2d.b2FixtureDef.prototype,"restitution",box2d.b2FixtureDef.prototype.restitution),box2d.b2FixtureDef.prototype.density=0,goog.exportProperty(box2d.b2FixtureDef.prototype,"density",box2d.b2FixtureDef.prototype.density),box2d.b2FixtureDef.prototype.isSensor=!1;goog.exportProperty(box2d.b2FixtureDef.prototype,"isSensor",box2d.b2FixtureDef.prototype.isSensor),box2d.b2FixtureDef.prototype.filter=null,goog.exportProperty(box2d.b2FixtureDef.prototype,"filter",box2d.b2FixtureDef.prototype.filter),box2d.b2FixtureProxy=function(){this.aabb=new box2d.b2AABB},goog.exportSymbol("box2d.b2FixtureProxy",box2d.b2FixtureProxy),box2d.b2FixtureProxy.prototype.aabb=null,goog.exportProperty(box2d.b2FixtureProxy.prototype,"aabb",box2d.b2FixtureProxy.prototype.aabb),box2d.b2FixtureProxy.prototype.fixture=null,goog.exportProperty(box2d.b2FixtureProxy.prototype,"fixture",box2d.b2FixtureProxy.prototype.fixture),box2d.b2FixtureProxy.prototype.childIndex=0,goog.exportProperty(box2d.b2FixtureProxy.prototype,"childIndex",box2d.b2FixtureProxy.prototype.childIndex),box2d.b2FixtureProxy.prototype.proxy=null,goog.exportProperty(box2d.b2FixtureProxy.prototype,"proxy",box2d.b2FixtureProxy.prototype.proxy),box2d.b2FixtureProxy.MakeArray=function(o){return box2d.b2MakeArray(o,function(o){return new box2d.b2FixtureProxy})},goog.exportProperty(box2d.b2FixtureProxy,"MakeArray",box2d.b2FixtureProxy.MakeArray),box2d.b2Fixture=function(){this.m_proxyCount=0,this.m_filter=new box2d.b2Filter},goog.exportSymbol("box2d.b2Fixture",box2d.b2Fixture),box2d.b2Fixture.prototype.m_density=0,goog.exportProperty(box2d.b2Fixture.prototype,"m_density",box2d.b2Fixture.prototype.m_density),box2d.b2Fixture.prototype.m_next=null,goog.exportProperty(box2d.b2Fixture.prototype,"m_next",box2d.b2Fixture.prototype.m_next),box2d.b2Fixture.prototype.m_body=null,goog.exportProperty(box2d.b2Fixture.prototype,"m_body",box2d.b2Fixture.prototype.m_body),box2d.b2Fixture.prototype.m_shape=null,goog.exportProperty(box2d.b2Fixture.prototype,"m_shape",box2d.b2Fixture.prototype.m_shape),box2d.b2Fixture.prototype.m_friction=0,goog.exportProperty(box2d.b2Fixture.prototype,"m_friction",box2d.b2Fixture.prototype.m_friction),box2d.b2Fixture.prototype.m_restitution=0,goog.exportProperty(box2d.b2Fixture.prototype,"m_restitution",box2d.b2Fixture.prototype.m_restitution),box2d.b2Fixture.prototype.m_proxies=null,goog.exportProperty(box2d.b2Fixture.prototype,"m_proxies",box2d.b2Fixture.prototype.m_proxies),box2d.b2Fixture.prototype.m_proxyCount=0,goog.exportProperty(box2d.b2Fixture.prototype,"m_proxyCount",box2d.b2Fixture.prototype.m_proxyCount),box2d.b2Fixture.prototype.m_filter=null,goog.exportProperty(box2d.b2Fixture.prototype,"m_filter",box2d.b2Fixture.prototype.m_filter),box2d.b2Fixture.prototype.m_isSensor=!1,goog.exportProperty(box2d.b2Fixture.prototype,"m_isSensor",box2d.b2Fixture.prototype.m_isSensor),box2d.b2Fixture.prototype.m_userData=null,goog.exportProperty(box2d.b2Fixture.prototype,"m_userData",box2d.b2Fixture.prototype.m_userData),box2d.b2Fixture.prototype.GetType=function(){return this.m_shape.GetType()},goog.exportProperty(box2d.b2Fixture.prototype,"GetType",box2d.b2Fixture.prototype.GetType),box2d.b2Fixture.prototype.GetShape=function(){return this.m_shape},goog.exportProperty(box2d.b2Fixture.prototype,"GetShape",box2d.b2Fixture.prototype.GetShape),box2d.b2Fixture.prototype.IsSensor=function(){return this.m_isSensor},goog.exportProperty(box2d.b2Fixture.prototype,"IsSensor",box2d.b2Fixture.prototype.IsSensor),box2d.b2Fixture.prototype.GetFilterData=function(o){return(o=o||new box2d.b2Filter).Copy(this.m_filter)},goog.exportProperty(box2d.b2Fixture.prototype,"GetFilterData",box2d.b2Fixture.prototype.GetFilterData),box2d.b2Fixture.prototype.GetUserData=function(){return this.m_userData},goog.exportProperty(box2d.b2Fixture.prototype,"GetUserData",box2d.b2Fixture.prototype.GetUserData),box2d.b2Fixture.prototype.SetUserData=function(o){this.m_userData=o},goog.exportProperty(box2d.b2Fixture.prototype,"SetUserData",box2d.b2Fixture.prototype.SetUserData),box2d.b2Fixture.prototype.GetBody=function(){return this.m_body},goog.exportProperty(box2d.b2Fixture.prototype,"GetBody",box2d.b2Fixture.prototype.GetBody),box2d.b2Fixture.prototype.GetNext=function(){return this.m_next},goog.exportProperty(box2d.b2Fixture.prototype,"GetNext",box2d.b2Fixture.prototype.GetNext),box2d.b2Fixture.prototype.SetDensity=function(o){this.m_density=o},goog.exportProperty(box2d.b2Fixture.prototype,"SetDensity",box2d.b2Fixture.prototype.SetDensity),box2d.b2Fixture.prototype.GetDensity=function(){return this.m_density},goog.exportProperty(box2d.b2Fixture.prototype,"GetDensity",box2d.b2Fixture.prototype.GetDensity),box2d.b2Fixture.prototype.GetFriction=function(){return this.m_friction},goog.exportProperty(box2d.b2Fixture.prototype,"GetFriction",box2d.b2Fixture.prototype.GetFriction),box2d.b2Fixture.prototype.SetFriction=function(o){this.m_friction=o},goog.exportProperty(box2d.b2Fixture.prototype,"SetFriction",box2d.b2Fixture.prototype.SetFriction),box2d.b2Fixture.prototype.GetRestitution=function(){return this.m_restitution},goog.exportProperty(box2d.b2Fixture.prototype,"GetRestitution",box2d.b2Fixture.prototype.GetRestitution),box2d.b2Fixture.prototype.SetRestitution=function(o){this.m_restitution=o},goog.exportProperty(box2d.b2Fixture.prototype,"SetRestitution",box2d.b2Fixture.prototype.SetRestitution),box2d.b2Fixture.prototype.TestPoint=function(o){return this.m_shape.TestPoint(this.m_body.GetTransform(),o)},goog.exportProperty(box2d.b2Fixture.prototype,"TestPoint",box2d.b2Fixture.prototype.TestPoint),box2d.b2Fixture.prototype.ComputeDistance=function(o,t,e){return this.m_shape.ComputeDistance(this.m_body.GetTransform(),o,t,e)},goog.exportProperty(box2d.b2Fixture.prototype,"ComputeDistance",box2d.b2Fixture.prototype.ComputeDistance),box2d.b2Fixture.prototype.RayCast=function(o,t,e){return this.m_shape.RayCast(o,t,this.m_body.GetTransform(),e)},goog.exportProperty(box2d.b2Fixture.prototype,"RayCast",box2d.b2Fixture.prototype.RayCast),box2d.b2Fixture.prototype.GetMassData=function(o){return o=o||new box2d.b2MassData,this.m_shape.ComputeMass(o,this.m_density),o},goog.exportProperty(box2d.b2Fixture.prototype,"GetMassData",box2d.b2Fixture.prototype.GetMassData),box2d.b2Fixture.prototype.GetAABB=function(o){return 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e.shape=o,e.density="number"==typeof t?t:0,this.CreateFixture_Def(e)},goog.exportProperty(box2d.b2Body.prototype,"CreateFixture_Shape_Density",box2d.b2Body.prototype.CreateFixture_Shape_Density),box2d.b2Body.prototype.CreateFixture_Shape_Density.s_def=new box2d.b2FixtureDef,box2d.b2Body.prototype.DestroyFixture=function(o){if(box2d.ENABLE_ASSERTS&&box2d.b2Assert(!this.m_world.IsLocked()),!this.m_world.IsLocked()){box2d.ENABLE_ASSERTS&&box2d.b2Assert(o.m_body===this),box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<this.m_fixtureCount);for(var t=this.m_fixtureList,e=null,r=!1;null!==t;){if(t===o){e?e.m_next=o.m_next:this.m_fixtureList=o.m_next,r=!0;break}e=t,t=t.m_next}for(box2d.ENABLE_ASSERTS&&box2d.b2Assert(r),t=this.m_contactList;t;){e=t.contact,t=t.next,r=e.GetFixtureA();var i=e.GetFixtureB();o!==r&&o!==i||this.m_world.m_contactManager.Destroy(e)}this.m_flag_activeFlag&&o.DestroyProxies(this.m_world.m_contactManager.m_broadPhase),o.Destroy(),o.m_body=null,o.m_next=null,--this.m_fixtureCount,this.ResetMassData()}},goog.exportProperty(box2d.b2Body.prototype,"DestroyFixture",box2d.b2Body.prototype.DestroyFixture),box2d.b2Body.prototype.SetTransform=function(o,t,e){if(o instanceof box2d.b2Vec2&&"number"==typeof t)this.SetTransform_X_Y_A(o.x,o.y,t);else if(o instanceof box2d.b2Transform)this.SetTransform_X_Y_A(o.p.x,o.p.y,o.GetAngle());else{if("number"!=typeof o||"number"!=typeof t||"number"!=typeof e)throw Error();this.SetTransform_X_Y_A(o,t,e)}},goog.exportProperty(box2d.b2Body.prototype,"SetTransform",box2d.b2Body.prototype.SetTransform),box2d.b2Body.prototype.SetTransform_V2_A=function(o,t){this.SetTransform_X_Y_A(o.x,o.y,t)},goog.exportProperty(box2d.b2Body.prototype,"SetTransform_V2_A",box2d.b2Body.prototype.SetTransform_V2_A),box2d.b2Body.prototype.SetTransform_X_Y_A=function(o,t,e){if(box2d.ENABLE_ASSERTS&&box2d.b2Assert(!this.m_world.IsLocked()),!this.m_world.IsLocked()&&(this.m_xf.p.x!==o||this.m_xf.p.y!==t||this.m_xf.q.GetAngle()!==e))for(this.m_xf.q.SetAngle(e),this.m_xf.p.Set(o,t),this.m_xf0.Copy(this.m_xf),box2d.b2Mul_X_V2(this.m_xf,this.m_sweep.localCenter,this.m_sweep.c),this.m_sweep.a=e,this.m_sweep.c0.Copy(this.m_sweep.c),this.m_sweep.a0=e,o=this.m_world.m_contactManager.m_broadPhase,t=this.m_fixtureList;t;t=t.m_next)t.Synchronize(o,this.m_xf,this.m_xf)},goog.exportProperty(box2d.b2Body.prototype,"SetTransform_X_Y_A",box2d.b2Body.prototype.SetTransform_X_Y_A),box2d.b2Body.prototype.SetTransform_X=function(o){this.SetTransform_X_Y_A(o.p.x,o.p.y,o.GetAngle())},goog.exportProperty(box2d.b2Body.prototype,"SetTransform_X",box2d.b2Body.prototype.SetTransform_X),box2d.b2Body.prototype.GetTransform=function(o){return(o=o||this.m_out_xf).Copy(this.m_xf)},goog.exportProperty(box2d.b2Body.prototype,"GetTransform",box2d.b2Body.prototype.GetTransform),box2d.b2Body.prototype.GetPosition=function(o){return(o=o||this.m_out_xf.p).Copy(this.m_xf.p)},goog.exportProperty(box2d.b2Body.prototype,"GetPosition",box2d.b2Body.prototype.GetPosition),box2d.b2Body.prototype.SetPosition=function(o){this.SetTransform_V2_A(o,this.GetAngle())},goog.exportProperty(box2d.b2Body.prototype,"SetPosition",box2d.b2Body.prototype.SetPosition),box2d.b2Body.prototype.SetPositionXY=function(o,t){this.SetTransform_X_Y_A(o,t,this.GetAngle())},goog.exportProperty(box2d.b2Body.prototype,"SetPositionXY",box2d.b2Body.prototype.SetPositionXY),box2d.b2Body.prototype.GetRotation=function(o){return(o=o||this.m_out_xf.q).Copy(this.m_xf.q)},goog.exportProperty(box2d.b2Body.prototype,"GetRotation",box2d.b2Body.prototype.GetRotation),box2d.b2Body.prototype.SetRotation=function(o){this.SetTransform_V2_A(this.GetPosition(),o.GetAngle())},goog.exportProperty(box2d.b2Body.prototype,"SetRotation",box2d.b2Body.prototype.SetRotation),box2d.b2Body.prototype.GetAngle=function(){return this.m_sweep.a},goog.exportProperty(box2d.b2Body.prototype,"GetAngle",box2d.b2Body.prototype.GetAngle),box2d.b2Body.prototype.SetAngle=function(o){this.SetTransform_V2_A(this.GetPosition(),o)},goog.exportProperty(box2d.b2Body.prototype,"SetAngle",box2d.b2Body.prototype.SetAngle),box2d.b2Body.prototype.GetWorldCenter=function(o){return(o=o||this.m_out_sweep.c).Copy(this.m_sweep.c)},goog.exportProperty(box2d.b2Body.prototype,"GetWorldCenter",box2d.b2Body.prototype.GetWorldCenter),box2d.b2Body.prototype.GetLocalCenter=function(o){return(o=o||this.m_out_sweep.localCenter).Copy(this.m_sweep.localCenter)},goog.exportProperty(box2d.b2Body.prototype,"GetLocalCenter",box2d.b2Body.prototype.GetLocalCenter),box2d.b2Body.prototype.SetLinearVelocity=function(o){this.m_type!==box2d.b2BodyType.b2_staticBody&&(0<box2d.b2Dot_V2_V2(o,o)&&this.SetAwake(!0),this.m_linearVelocity.Copy(o))},goog.exportProperty(box2d.b2Body.prototype,"SetLinearVelocity",box2d.b2Body.prototype.SetLinearVelocity),box2d.b2Body.prototype.GetLinearVelocity=function(o){return(o=o||this.m_out_linearVelocity).Copy(this.m_linearVelocity)},goog.exportProperty(box2d.b2Body.prototype,"GetLinearVelocity",box2d.b2Body.prototype.GetLinearVelocity),box2d.b2Body.prototype.SetAngularVelocity=function(o){this.m_type!==box2d.b2BodyType.b2_staticBody&&(0<o*o&&this.SetAwake(!0),this.m_angularVelocity=o)},goog.exportProperty(box2d.b2Body.prototype,"SetAngularVelocity",box2d.b2Body.prototype.SetAngularVelocity),box2d.b2Body.prototype.GetAngularVelocity=function(){return this.m_angularVelocity},goog.exportProperty(box2d.b2Body.prototype,"GetAngularVelocity",box2d.b2Body.prototype.GetAngularVelocity),box2d.b2Body.prototype.GetDefinition=function(o){return o.type=this.GetType(),o.allowSleep=this.m_flag_autoSleepFlag,o.angle=this.GetAngle(),o.angularDamping=this.m_angularDamping,o.gravityScale=this.m_gravityScale,o.angularVelocity=this.m_angularVelocity,o.fixedRotation=this.m_flag_fixedRotationFlag,o.bullet=this.m_flag_bulletFlag,o.awake=this.m_flag_awakeFlag,o.linearDamping=this.m_linearDamping,o.linearVelocity.Copy(this.GetLinearVelocity()),o.position.Copy(this.GetPosition()),o.userData=this.GetUserData(),o},goog.exportProperty(box2d.b2Body.prototype,"GetDefinition",box2d.b2Body.prototype.GetDefinition),box2d.b2Body.prototype.ApplyForce=function(o,t,e){this.m_type===box2d.b2BodyType.b2_dynamicBody&&(!this.m_flag_awakeFlag&&this.SetAwake(!0),this.m_flag_awakeFlag&&(this.m_force.x+=o.x,this.m_force.y+=o.y,this.m_torque+=(t.x-this.m_sweep.c.x)*o.y-(t.y-this.m_sweep.c.y)*o.x))},goog.exportProperty(box2d.b2Body.prototype,"ApplyForce",box2d.b2Body.prototype.ApplyForce),box2d.b2Body.prototype.ApplyForceToCenter=function(o,t){this.m_type===box2d.b2BodyType.b2_dynamicBody&&(("boolean"==typeof t?t:1)&&!this.m_flag_awakeFlag&&this.SetAwake(!0),this.m_flag_awakeFlag&&(this.m_force.x+=o.x,this.m_force.y+=o.y))},goog.exportProperty(box2d.b2Body.prototype,"ApplyForceToCenter",box2d.b2Body.prototype.ApplyForceToCenter),box2d.b2Body.prototype.ApplyTorque=function(o,t){this.m_type===box2d.b2BodyType.b2_dynamicBody&&(("boolean"==typeof t?t:1)&&!this.m_flag_awakeFlag&&this.SetAwake(!0),this.m_flag_awakeFlag&&(this.m_torque+=o))},goog.exportProperty(box2d.b2Body.prototype,"ApplyTorque",box2d.b2Body.prototype.ApplyTorque),box2d.b2Body.prototype.ApplyLinearImpulse=function(o,t,e){this.m_type===box2d.b2BodyType.b2_dynamicBody&&(("boolean"==typeof e?e:1)&&!this.m_flag_awakeFlag&&this.SetAwake(!0),this.m_flag_awakeFlag&&(this.m_linearVelocity.x+=this.m_invMass*o.x,this.m_linearVelocity.y+=this.m_invMass*o.y,this.m_angularVelocity+=this.m_invI*((t.x-this.m_sweep.c.x)*o.y-(t.y-this.m_sweep.c.y)*o.x)))},goog.exportProperty(box2d.b2Body.prototype,"ApplyLinearImpulse",box2d.b2Body.prototype.ApplyLinearImpulse),box2d.b2Body.prototype.ApplyLinearImpulseToCenter=function(o,t){this.m_type===box2d.b2BodyType.b2_dynamicBody&&(("boolean"==typeof t?t:1)&&!this.m_flag_awakeFlag&&this.SetAwake(!0),this.m_flag_awakeFlag&&(this.m_linearVelocity.x+=this.m_invMass*o.x,this.m_linearVelocity.y+=this.m_invMass*o.y))},goog.exportProperty(box2d.b2Body.prototype,"ApplyLinearImpulseToCenter",box2d.b2Body.prototype.ApplyLinearImpulseToCenter),box2d.b2Body.prototype.ApplyAngularImpulse=function(o,t){this.m_type===box2d.b2BodyType.b2_dynamicBody&&(("boolean"==typeof t?t:1)&&!this.m_flag_awakeFlag&&this.SetAwake(!0),this.m_flag_awakeFlag&&(this.m_angularVelocity+=this.m_invI*o))},goog.exportProperty(box2d.b2Body.prototype,"ApplyAngularImpulse",box2d.b2Body.prototype.ApplyAngularImpulse),box2d.b2Body.prototype.GetMass=function(){return this.m_mass},goog.exportProperty(box2d.b2Body.prototype,"GetMass",box2d.b2Body.prototype.GetMass),box2d.b2Body.prototype.GetInertia=function(){return this.m_I+this.m_mass*box2d.b2Dot_V2_V2(this.m_sweep.localCenter,this.m_sweep.localCenter)},goog.exportProperty(box2d.b2Body.prototype,"GetInertia",box2d.b2Body.prototype.GetInertia),box2d.b2Body.prototype.GetMassData=function(o){return o.mass=this.m_mass,o.I=this.m_I+this.m_mass*box2d.b2Dot_V2_V2(this.m_sweep.localCenter,this.m_sweep.localCenter),o.center.Copy(this.m_sweep.localCenter),o},goog.exportProperty(box2d.b2Body.prototype,"GetMassData",box2d.b2Body.prototype.GetMassData),box2d.b2Body.prototype.SetMassData=function(o){if(box2d.ENABLE_ASSERTS&&box2d.b2Assert(!this.m_world.IsLocked()),!this.m_world.IsLocked()&&this.m_type===box2d.b2BodyType.b2_dynamicBody){this.m_invI=this.m_I=this.m_invMass=0,this.m_mass=o.mass,0>=this.m_mass&&(this.m_mass=1),this.m_invMass=1/this.m_mass,0<o.I&&!this.m_flag_fixedRotationFlag&&(this.m_I=o.I-this.m_mass*box2d.b2Dot_V2_V2(o.center,o.center),box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<this.m_I),this.m_invI=1/this.m_I);var t=box2d.b2Body.prototype.SetMassData.s_oldCenter.Copy(this.m_sweep.c);this.m_sweep.localCenter.Copy(o.center),box2d.b2Mul_X_V2(this.m_xf,this.m_sweep.localCenter,this.m_sweep.c),this.m_sweep.c0.Copy(this.m_sweep.c),box2d.b2AddCross_V2_S_V2(this.m_linearVelocity,this.m_angularVelocity,box2d.b2Sub_V2_V2(this.m_sweep.c,t,box2d.b2Vec2.s_t0),this.m_linearVelocity)}},goog.exportProperty(box2d.b2Body.prototype,"SetMassData",box2d.b2Body.prototype.SetMassData),box2d.b2Body.prototype.SetMassData.s_oldCenter=new box2d.b2Vec2,box2d.b2Body.prototype.ResetMassData=function(){if(this.m_invI=this.m_I=this.m_invMass=this.m_mass=0,this.m_sweep.localCenter.SetZero(),this.m_type===box2d.b2BodyType.b2_staticBody||this.m_type===box2d.b2BodyType.b2_kinematicBody)this.m_sweep.c0.Copy(this.m_xf.p),this.m_sweep.c.Copy(this.m_xf.p),this.m_sweep.a0=this.m_sweep.a;else{box2d.ENABLE_ASSERTS&&box2d.b2Assert(this.m_type===box2d.b2BodyType.b2_dynamicBody);for(var o=box2d.b2Body.prototype.ResetMassData.s_localCenter.SetZero(),t=this.m_fixtureList;t;t=t.m_next)if(0!==t.m_density){var e=t.GetMassData(box2d.b2Body.prototype.ResetMassData.s_massData);this.m_mass+=e.mass,o.x+=e.center.x*e.mass,o.y+=e.center.y*e.mass,this.m_I+=e.I}0<this.m_mass?(this.m_invMass=1/this.m_mass,o.x*=this.m_invMass,o.y*=this.m_invMass):this.m_invMass=this.m_mass=1,0<this.m_I&&!this.m_flag_fixedRotationFlag?(this.m_I-=this.m_mass*box2d.b2Dot_V2_V2(o,o),box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<this.m_I),this.m_invI=1/this.m_I):this.m_invI=this.m_I=0,t=box2d.b2Body.prototype.ResetMassData.s_oldCenter.Copy(this.m_sweep.c),this.m_sweep.localCenter.Copy(o),box2d.b2Mul_X_V2(this.m_xf,this.m_sweep.localCenter,this.m_sweep.c),this.m_sweep.c0.Copy(this.m_sweep.c),box2d.b2AddCross_V2_S_V2(this.m_linearVelocity,this.m_angularVelocity,box2d.b2Sub_V2_V2(this.m_sweep.c,t,box2d.b2Vec2.s_t0),this.m_linearVelocity)}},goog.exportProperty(box2d.b2Body.prototype,"ResetMassData",box2d.b2Body.prototype.ResetMassData),box2d.b2Body.prototype.ResetMassData.s_localCenter=new box2d.b2Vec2,box2d.b2Body.prototype.ResetMassData.s_oldCenter=new box2d.b2Vec2,box2d.b2Body.prototype.ResetMassData.s_massData=new box2d.b2MassData,box2d.b2Body.prototype.GetWorldPoint=function(o,t){return box2d.b2Mul_X_V2(this.m_xf,o,t)},goog.exportProperty(box2d.b2Body.prototype,"GetWorldPoint",box2d.b2Body.prototype.GetWorldPoint),box2d.b2Body.prototype.GetWorldVector=function(o,t){return box2d.b2Mul_R_V2(this.m_xf.q,o,t)},goog.exportProperty(box2d.b2Body.prototype,"GetWorldVector",box2d.b2Body.prototype.GetWorldVector),box2d.b2Body.prototype.GetLocalPoint=function(o,t){return box2d.b2MulT_X_V2(this.m_xf,o,t)},goog.exportProperty(box2d.b2Body.prototype,"GetLocalPoint",box2d.b2Body.prototype.GetLocalPoint),box2d.b2Body.prototype.GetLocalVector=function(o,t){return box2d.b2MulT_R_V2(this.m_xf.q,o,t)},goog.exportProperty(box2d.b2Body.prototype,"GetLocalVector",box2d.b2Body.prototype.GetLocalVector),box2d.b2Body.prototype.GetLinearVelocityFromWorldPoint=function(o,t){return box2d.b2AddCross_V2_S_V2(this.m_linearVelocity,this.m_angularVelocity,box2d.b2Sub_V2_V2(o,this.m_sweep.c,box2d.b2Vec2.s_t0),t)},goog.exportProperty(box2d.b2Body.prototype,"GetLinearVelocityFromWorldPoint",box2d.b2Body.prototype.GetLinearVelocityFromWorldPoint),box2d.b2Body.prototype.GetLinearVelocityFromLocalPoint=function(o,t){return this.GetLinearVelocityFromWorldPoint(this.GetWorldPoint(o,t),t)},goog.exportProperty(box2d.b2Body.prototype,"GetLinearVelocityFromLocalPoint",box2d.b2Body.prototype.GetLinearVelocityFromLocalPoint),box2d.b2Body.prototype.GetLinearDamping=function(){return this.m_linearDamping},goog.exportProperty(box2d.b2Body.prototype,"GetLinearDamping",box2d.b2Body.prototype.GetLinearDamping),box2d.b2Body.prototype.SetLinearDamping=function(o){this.m_linearDamping=o},goog.exportProperty(box2d.b2Body.prototype,"SetLinearDamping",box2d.b2Body.prototype.SetLinearDamping),box2d.b2Body.prototype.GetAngularDamping=function(){return this.m_angularDamping},goog.exportProperty(box2d.b2Body.prototype,"GetAngularDamping",box2d.b2Body.prototype.GetAngularDamping),box2d.b2Body.prototype.SetAngularDamping=function(o){this.m_angularDamping=o},goog.exportProperty(box2d.b2Body.prototype,"SetAngularDamping",box2d.b2Body.prototype.SetAngularDamping),box2d.b2Body.prototype.GetGravityScale=function(){return this.m_gravityScale},goog.exportProperty(box2d.b2Body.prototype,"GetGravityScale",box2d.b2Body.prototype.GetGravityScale),box2d.b2Body.prototype.SetGravityScale=function(o){this.m_gravityScale=o},goog.exportProperty(box2d.b2Body.prototype,"SetGravityScale",box2d.b2Body.prototype.SetGravityScale),box2d.b2Body.prototype.SetType=function(o){if(box2d.ENABLE_ASSERTS&&box2d.b2Assert(!this.m_world.IsLocked()),!this.m_world.IsLocked()&&this.m_type!==o){for(this.m_type=o,this.ResetMassData(),this.m_type===box2d.b2BodyType.b2_staticBody&&(this.m_linearVelocity.SetZero(),this.m_angularVelocity=0,this.m_sweep.a0=this.m_sweep.a,this.m_sweep.c0.Copy(this.m_sweep.c),this.SynchronizeFixtures()),this.SetAwake(!0),this.m_force.SetZero(),this.m_torque=0,o=this.m_contactList;o;){var t=o;o=o.next,this.m_world.m_contactManager.Destroy(t.contact)}for(this.m_contactList=null,o=this.m_world.m_contactManager.m_broadPhase,t=this.m_fixtureList;t;t=t.m_next)for(var e=t.m_proxyCount,r=0;r<e;++r)o.TouchProxy(t.m_proxies[r].proxy)}},goog.exportProperty(box2d.b2Body.prototype,"SetType",box2d.b2Body.prototype.SetType),box2d.b2Body.prototype.GetType=function(){return this.m_type},goog.exportProperty(box2d.b2Body.prototype,"GetType",box2d.b2Body.prototype.GetType),box2d.b2Body.prototype.SetBullet=function(o){this.m_flag_bulletFlag=o},goog.exportProperty(box2d.b2Body.prototype,"SetBullet",box2d.b2Body.prototype.SetBullet),box2d.b2Body.prototype.IsBullet=function(){return this.m_flag_bulletFlag},goog.exportProperty(box2d.b2Body.prototype,"IsBullet",box2d.b2Body.prototype.IsBullet),box2d.b2Body.prototype.SetSleepingAllowed=function(o){o?this.m_flag_autoSleepFlag=!0:(this.m_flag_autoSleepFlag=!1,this.SetAwake(!0))},goog.exportProperty(box2d.b2Body.prototype,"SetSleepingAllowed",box2d.b2Body.prototype.SetSleepingAllowed),box2d.b2Body.prototype.IsSleepingAllowed=function(){return this.m_flag_autoSleepFlag},goog.exportProperty(box2d.b2Body.prototype,"IsSleepingAllowed",box2d.b2Body.prototype.IsSleepingAllowed),box2d.b2Body.prototype.SetAwake=function(o){o?this.m_flag_awakeFlag||(this.m_flag_awakeFlag=!0,this.m_sleepTime=0):(this.m_flag_awakeFlag=!1,this.m_sleepTime=0,this.m_linearVelocity.SetZero(),this.m_angularVelocity=0,this.m_force.SetZero(),this.m_torque=0)},goog.exportProperty(box2d.b2Body.prototype,"SetAwake",box2d.b2Body.prototype.SetAwake),box2d.b2Body.prototype.IsAwake=function(){return this.m_flag_awakeFlag},goog.exportProperty(box2d.b2Body.prototype,"IsAwake",box2d.b2Body.prototype.IsAwake),box2d.b2Body.prototype.SetActive=function(o){if(box2d.ENABLE_ASSERTS&&box2d.b2Assert(!this.m_world.IsLocked()),o!==this.IsActive())if(o){this.m_flag_activeFlag=!0,o=this.m_world.m_contactManager.m_broadPhase;for(var t=this.m_fixtureList;t;t=t.m_next)t.CreateProxies(o,this.m_xf)}else{for(this.m_flag_activeFlag=!1,o=this.m_world.m_contactManager.m_broadPhase,t=this.m_fixtureList;t;t=t.m_next)t.DestroyProxies(o);for(o=this.m_contactList;o;)t=o,o=o.next,this.m_world.m_contactManager.Destroy(t.contact);this.m_contactList=null}},goog.exportProperty(box2d.b2Body.prototype,"SetActive",box2d.b2Body.prototype.SetActive),box2d.b2Body.prototype.IsActive=function(){return this.m_flag_activeFlag},goog.exportProperty(box2d.b2Body.prototype,"IsActive",box2d.b2Body.prototype.IsActive),box2d.b2Body.prototype.SetFixedRotation=function(o){this.m_flag_fixedRotationFlag!==o&&(this.m_flag_fixedRotationFlag=o,this.m_angularVelocity=0,this.ResetMassData())},goog.exportProperty(box2d.b2Body.prototype,"SetFixedRotation",box2d.b2Body.prototype.SetFixedRotation),box2d.b2Body.prototype.IsFixedRotation=function(){return this.m_flag_fixedRotationFlag},goog.exportProperty(box2d.b2Body.prototype,"IsFixedRotation",box2d.b2Body.prototype.IsFixedRotation),box2d.b2Body.prototype.GetFixtureList=function(){return this.m_fixtureList},goog.exportProperty(box2d.b2Body.prototype,"GetFixtureList",box2d.b2Body.prototype.GetFixtureList),box2d.b2Body.prototype.GetJointList=function(){return this.m_jointList},goog.exportProperty(box2d.b2Body.prototype,"GetJointList",box2d.b2Body.prototype.GetJointList),box2d.b2Body.prototype.GetContactList=function(){return this.m_contactList},goog.exportProperty(box2d.b2Body.prototype,"GetContactList",box2d.b2Body.prototype.GetContactList),box2d.b2Body.prototype.GetNext=function(){return this.m_next},goog.exportProperty(box2d.b2Body.prototype,"GetNext",box2d.b2Body.prototype.GetNext),box2d.b2Body.prototype.GetUserData=function(){return this.m_userData},goog.exportProperty(box2d.b2Body.prototype,"GetUserData",box2d.b2Body.prototype.GetUserData),box2d.b2Body.prototype.SetUserData=function(o){this.m_userData=o},goog.exportProperty(box2d.b2Body.prototype,"SetUserData",box2d.b2Body.prototype.SetUserData),box2d.b2Body.prototype.GetWorld=function(){return this.m_world},goog.exportProperty(box2d.b2Body.prototype,"GetWorld",box2d.b2Body.prototype.GetWorld),box2d.b2Body.prototype.SynchronizeFixtures=function(){var o=box2d.b2Body.prototype.SynchronizeFixtures.s_xf1;o.q.SetAngle(this.m_sweep.a0),box2d.b2Mul_R_V2(o.q,this.m_sweep.localCenter,o.p),box2d.b2Sub_V2_V2(this.m_sweep.c0,o.p,o.p);for(var t=this.m_world.m_contactManager.m_broadPhase,e=this.m_fixtureList;e;e=e.m_next)e.Synchronize(t,o,this.m_xf)},goog.exportProperty(box2d.b2Body.prototype,"SynchronizeFixtures",box2d.b2Body.prototype.SynchronizeFixtures),box2d.b2Body.prototype.SynchronizeFixtures.s_xf1=new 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this.m_manifold},goog.exportProperty(box2d.b2Contact.prototype,"GetManifold",box2d.b2Contact.prototype.GetManifold),box2d.b2Contact.prototype.GetWorldManifold=function(o){var t=this.m_fixtureA.GetBody(),e=this.m_fixtureB.GetBody(),r=this.m_fixtureA.GetShape(),i=this.m_fixtureB.GetShape();o.Initialize(this.m_manifold,t.GetTransform(),r.m_radius,e.GetTransform(),i.m_radius)},goog.exportProperty(box2d.b2Contact.prototype,"GetWorldManifold",box2d.b2Contact.prototype.GetWorldManifold),box2d.b2Contact.prototype.IsTouching=function(){return this.m_flag_touchingFlag},goog.exportProperty(box2d.b2Contact.prototype,"IsTouching",box2d.b2Contact.prototype.IsTouching),box2d.b2Contact.prototype.SetEnabled=function(o){this.m_flag_enabledFlag=o},goog.exportProperty(box2d.b2Contact.prototype,"SetEnabled",box2d.b2Contact.prototype.SetEnabled),box2d.b2Contact.prototype.IsEnabled=function(){return this.m_flag_enabledFlag},goog.exportProperty(box2d.b2Contact.prototype,"IsEnabled",box2d.b2Contact.prototype.IsEnabled),box2d.b2Contact.prototype.GetNext=function(){return this.m_next},goog.exportProperty(box2d.b2Contact.prototype,"GetNext",box2d.b2Contact.prototype.GetNext),box2d.b2Contact.prototype.GetFixtureA=function(){return this.m_fixtureA},goog.exportProperty(box2d.b2Contact.prototype,"GetFixtureA",box2d.b2Contact.prototype.GetFixtureA),box2d.b2Contact.prototype.GetChildIndexA=function(){return this.m_indexA},goog.exportProperty(box2d.b2Contact.prototype,"GetChildIndexA",box2d.b2Contact.prototype.GetChildIndexA),box2d.b2Contact.prototype.GetFixtureB=function(){return this.m_fixtureB},goog.exportProperty(box2d.b2Contact.prototype,"GetFixtureB",box2d.b2Contact.prototype.GetFixtureB),box2d.b2Contact.prototype.GetChildIndexB=function(){return this.m_indexB},goog.exportProperty(box2d.b2Contact.prototype,"GetChildIndexB",box2d.b2Contact.prototype.GetChildIndexB),box2d.b2Contact.prototype.Evaluate=function(o,t,e){},goog.exportProperty(box2d.b2Contact.prototype,"Evaluate",box2d.b2Contact.prototype.Evaluate),box2d.b2Contact.prototype.FlagForFiltering=function(){this.m_flag_filterFlag=!0},goog.exportProperty(box2d.b2Contact.prototype,"FlagForFiltering",box2d.b2Contact.prototype.FlagForFiltering),box2d.b2Contact.prototype.SetFriction=function(o){this.m_friction=o},goog.exportProperty(box2d.b2Contact.prototype,"SetFriction",box2d.b2Contact.prototype.SetFriction),box2d.b2Contact.prototype.GetFriction=function(){return this.m_friction},goog.exportProperty(box2d.b2Contact.prototype,"GetFriction",box2d.b2Contact.prototype.GetFriction),box2d.b2Contact.prototype.ResetFriction=function(){this.m_friction=box2d.b2MixFriction(this.m_fixtureA.m_friction,this.m_fixtureB.m_friction)},goog.exportProperty(box2d.b2Contact.prototype,"ResetFriction",box2d.b2Contact.prototype.ResetFriction),box2d.b2Contact.prototype.SetRestitution=function(o){this.m_restitution=o},goog.exportProperty(box2d.b2Contact.prototype,"SetRestitution",box2d.b2Contact.prototype.SetRestitution),box2d.b2Contact.prototype.GetRestitution=function(){return this.m_restitution},goog.exportProperty(box2d.b2Contact.prototype,"GetRestitution",box2d.b2Contact.prototype.GetRestitution),box2d.b2Contact.prototype.ResetRestitution=function(){this.m_restitution=box2d.b2MixRestitution(this.m_fixtureA.m_restitution,this.m_fixtureB.m_restitution)},goog.exportProperty(box2d.b2Contact.prototype,"ResetRestitution",box2d.b2Contact.prototype.ResetRestitution),box2d.b2Contact.prototype.SetTangentSpeed=function(o){this.m_tangentSpeed=o},goog.exportProperty(box2d.b2Contact.prototype,"SetTangentSpeed",box2d.b2Contact.prototype.SetTangentSpeed),box2d.b2Contact.prototype.GetTangentSpeed=function(){return this.m_tangentSpeed},goog.exportProperty(box2d.b2Contact.prototype,"GetTangentSpeed",box2d.b2Contact.prototype.GetTangentSpeed),box2d.b2Contact.prototype.Reset=function(o,t,e,r){this.m_flag_touchingFlag=this.m_flag_islandFlag=!1,this.m_flag_enabledFlag=!0,this.m_flag_toiFlag=this.m_flag_bulletHitFlag=this.m_flag_filterFlag=!1,this.m_fixtureA=o,this.m_fixtureB=e,this.m_indexA=t,this.m_indexB=r,this.m_manifold.pointCount=0,this.m_next=this.m_prev=null,this.m_nodeA.contact=null,this.m_nodeA.prev=null,this.m_nodeA.next=null,this.m_nodeA.other=null,this.m_nodeB.contact=null,this.m_nodeB.prev=null,this.m_nodeB.next=null,this.m_nodeB.other=null,this.m_toiCount=0,this.m_friction=box2d.b2MixFriction(this.m_fixtureA.m_friction,this.m_fixtureB.m_friction),this.m_restitution=box2d.b2MixRestitution(this.m_fixtureA.m_restitution,this.m_fixtureB.m_restitution)},goog.exportProperty(box2d.b2Contact.prototype,"Reset",box2d.b2Contact.prototype.Reset),box2d.b2Contact.prototype.Update=function(o){var t=this.m_oldManifold;this.m_oldManifold=this.m_manifold,this.m_manifold=t,this.m_flag_enabledFlag=!0;var e=!1,r=(t=this.m_flag_touchingFlag,this.m_fixtureA.IsSensor()),i=this.m_fixtureB.IsSensor(),b=(r=r||i,i=this.m_fixtureA.GetBody(),this.m_fixtureB.GetBody()),n=(e=i.GetTransform(),b.GetTransform());if(r)i=this.m_fixtureA.GetShape(),b=this.m_fixtureB.GetShape(),e=box2d.b2TestOverlap_Shape(i,this.m_indexA,b,this.m_indexB,e,n),this.m_manifold.pointCount=0;else{for(this.Evaluate(this.m_manifold,e,n),e=0<this.m_manifold.pointCount,n=0;n<this.m_manifold.pointCount;++n){var p=this.m_manifold.points[n];p.normalImpulse=0,p.tangentImpulse=0;for(var s=p.id,a=0;a<this.m_oldManifold.pointCount;++a){var d=this.m_oldManifold.points[a];if(d.id.key===s.key){p.normalImpulse=d.normalImpulse,p.tangentImpulse=d.tangentImpulse;break}}}e!==t&&(i.SetAwake(!0),b.SetAwake(!0))}this.m_flag_touchingFlag=e,!t&&e&&o&&o.BeginContact(this),t&&!e&&o&&o.EndContact(this),!r&&e&&o&&o.PreSolve(this,this.m_oldManifold)},goog.exportProperty(box2d.b2Contact.prototype,"Update",box2d.b2Contact.prototype.Update),box2d.b2Contact.prototype.ComputeTOI=function(o,t){var e=box2d.b2Contact.prototype.ComputeTOI.s_input;e.proxyA.SetShape(this.m_fixtureA.GetShape(),this.m_indexA),e.proxyB.SetShape(this.m_fixtureB.GetShape(),this.m_indexB),e.sweepA.Copy(o),e.sweepB.Copy(t),e.tMax=box2d.b2_linearSlop;var r=box2d.b2Contact.prototype.ComputeTOI.s_output;return box2d.b2TimeOfImpact(r,e),r.t},goog.exportProperty(box2d.b2Contact.prototype,"ComputeTOI",box2d.b2Contact.prototype.ComputeTOI),box2d.b2Contact.prototype.ComputeTOI.s_input=new box2d.b2TOIInput,box2d.b2Contact.prototype.ComputeTOI.s_output=new box2d.b2TOIOutput,box2d.b2ChainAndCircleContact=function(){box2d.b2Contact.call(this)},goog.inherits(box2d.b2ChainAndCircleContact,box2d.b2Contact),goog.exportSymbol("box2d.b2ChainAndCircleContact",box2d.b2ChainAndCircleContact),box2d.b2ChainAndCircleContact.Create=function(o){return new box2d.b2ChainAndCircleContact},goog.exportProperty(box2d.b2ChainAndCircleContact,"Create",box2d.b2ChainAndCircleContact.Create),box2d.b2ChainAndCircleContact.Destroy=function(o,t){},goog.exportProperty(box2d.b2ChainAndCircleContact,"Destroy",box2d.b2ChainAndCircleContact.Destroy),box2d.b2ChainAndCircleContact.prototype.Evaluate=function(o,t,e){var r=this.m_fixtureA.GetShape(),i=this.m_fixtureB.GetShape();box2d.ENABLE_ASSERTS&&box2d.b2Assert(r instanceof box2d.b2ChainShape),box2d.ENABLE_ASSERTS&&box2d.b2Assert(i instanceof box2d.b2CircleShape);var b=box2d.b2ChainAndCircleContact.prototype.Evaluate.s_edge;(r instanceof box2d.b2ChainShape?r:null).GetChildEdge(b,this.m_indexA),box2d.b2CollideEdgeAndCircle(o,b,t,i instanceof box2d.b2CircleShape?i:null,e)},goog.exportProperty(box2d.b2ChainAndCircleContact.prototype,"Evaluate",box2d.b2ChainAndCircleContact.prototype.Evaluate),box2d.b2ChainAndCircleContact.prototype.Evaluate.s_edge=new box2d.b2EdgeShape,box2d.b2ChainAndPolygonContact=function(){box2d.b2Contact.call(this)},goog.inherits(box2d.b2ChainAndPolygonContact,box2d.b2Contact),goog.exportSymbol("box2d.b2ChainAndPolygonContact",box2d.b2ChainAndPolygonContact),box2d.b2ChainAndPolygonContact.Create=function(o){return new box2d.b2ChainAndPolygonContact},goog.exportProperty(box2d.b2ChainAndPolygonContact,"Create",box2d.b2ChainAndPolygonContact.Create),box2d.b2ChainAndPolygonContact.Destroy=function(o,t){},goog.exportProperty(box2d.b2ChainAndPolygonContact,"Destroy",box2d.b2ChainAndPolygonContact.Destroy),box2d.b2ChainAndPolygonContact.prototype.Evaluate=function(o,t,e){var r=this.m_fixtureA.GetShape(),i=this.m_fixtureB.GetShape();box2d.ENABLE_ASSERTS&&box2d.b2Assert(r instanceof box2d.b2ChainShape),box2d.ENABLE_ASSERTS&&box2d.b2Assert(i instanceof box2d.b2PolygonShape);var b=box2d.b2ChainAndPolygonContact.prototype.Evaluate.s_edge;(r instanceof box2d.b2ChainShape?r:null).GetChildEdge(b,this.m_indexA),box2d.b2CollideEdgeAndPolygon(o,b,t,i instanceof box2d.b2PolygonShape?i:null,e)},goog.exportProperty(box2d.b2ChainAndPolygonContact.prototype,"Evaluate",box2d.b2ChainAndPolygonContact.prototype.Evaluate),box2d.b2ChainAndPolygonContact.prototype.Evaluate.s_edge=new box2d.b2EdgeShape,box2d.b2CircleContact=function(){box2d.b2Contact.call(this)},goog.inherits(box2d.b2CircleContact,box2d.b2Contact),goog.exportSymbol("box2d.b2CircleContact",box2d.b2CircleContact),box2d.b2CircleContact.Create=function(o){return new box2d.b2CircleContact},goog.exportProperty(box2d.b2CircleContact,"Create",box2d.b2CircleContact.Create),box2d.b2CircleContact.Destroy=function(o,t){},goog.exportProperty(box2d.b2CircleContact,"Destroy",box2d.b2CircleContact.Destroy),box2d.b2CircleContact.prototype.Evaluate=function(o,t,e){var r=this.m_fixtureA.GetShape(),i=this.m_fixtureB.GetShape();box2d.ENABLE_ASSERTS&&box2d.b2Assert(r instanceof box2d.b2CircleShape),box2d.ENABLE_ASSERTS&&box2d.b2Assert(i instanceof box2d.b2CircleShape),box2d.b2CollideCircles(o,r instanceof box2d.b2CircleShape?r:null,t,i instanceof box2d.b2CircleShape?i:null,e)},goog.exportProperty(box2d.b2CircleContact.prototype,"Evaluate",box2d.b2CircleContact.prototype.Evaluate),box2d.b2ContactRegister=function(){},goog.exportSymbol("box2d.b2ContactRegister",box2d.b2ContactRegister),box2d.b2ContactRegister.prototype.createFcn=null,box2d.b2ContactRegister.prototype.destroyFcn=null,box2d.b2ContactRegister.prototype.primary=!1,box2d.b2ContactFactory=function(o){this.m_allocator=o,this.InitializeRegisters()},goog.exportSymbol("box2d.b2ContactFactory",box2d.b2ContactFactory),box2d.b2ContactFactory.prototype.m_allocator=null,box2d.b2ContactFactory.prototype.AddType=function(o,t,e,r){var i=box2d.b2MakeArray(256,function(t){return o()});t=function(t){return 0<i.length?i.pop():o(t)};var b=function(o,t){i.push(o)};this.m_registers[e][r].pool=i,this.m_registers[e][r].createFcn=t,this.m_registers[e][r].destroyFcn=b,this.m_registers[e][r].primary=!0,e!==r&&(this.m_registers[r][e].pool=i,this.m_registers[r][e].createFcn=t,this.m_registers[r][e].destroyFcn=b,this.m_registers[r][e].primary=!1)},goog.exportProperty(box2d.b2ContactFactory.prototype,"AddType",box2d.b2ContactFactory.prototype.AddType),box2d.b2ContactFactory.prototype.InitializeRegisters=function(){this.m_registers=Array(box2d.b2ShapeType.e_shapeTypeCount);for(var o=0;o<box2d.b2ShapeType.e_shapeTypeCount;o++){this.m_registers[o]=Array(box2d.b2ShapeType.e_shapeTypeCount);for(var t=0;t<box2d.b2ShapeType.e_shapeTypeCount;t++)this.m_registers[o][t]=new box2d.b2ContactRegister}this.AddType(box2d.b2CircleContact.Create,box2d.b2CircleContact.Destroy,box2d.b2ShapeType.e_circleShape,box2d.b2ShapeType.e_circleShape),this.AddType(box2d.b2PolygonAndCircleContact.Create,box2d.b2PolygonAndCircleContact.Destroy,box2d.b2ShapeType.e_polygonShape,box2d.b2ShapeType.e_circleShape),this.AddType(box2d.b2PolygonContact.Create,box2d.b2PolygonContact.Destroy,box2d.b2ShapeType.e_polygonShape,box2d.b2ShapeType.e_polygonShape),this.AddType(box2d.b2EdgeAndCircleContact.Create,box2d.b2EdgeAndCircleContact.Destroy,box2d.b2ShapeType.e_edgeShape,box2d.b2ShapeType.e_circleShape),this.AddType(box2d.b2EdgeAndPolygonContact.Create,box2d.b2EdgeAndPolygonContact.Destroy,box2d.b2ShapeType.e_edgeShape,box2d.b2ShapeType.e_polygonShape),this.AddType(box2d.b2ChainAndCircleContact.Create,box2d.b2ChainAndCircleContact.Destroy,box2d.b2ShapeType.e_chainShape,box2d.b2ShapeType.e_circleShape),this.AddType(box2d.b2ChainAndPolygonContact.Create,box2d.b2ChainAndPolygonContact.Destroy,box2d.b2ShapeType.e_chainShape,box2d.b2ShapeType.e_polygonShape)},goog.exportProperty(box2d.b2ContactFactory.prototype,"InitializeRegisters",box2d.b2ContactFactory.prototype.InitializeRegisters),box2d.b2ContactFactory.prototype.Create=function(o,t,e,r){var i=o.GetType(),b=e.GetType();return box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<=i&&i<box2d.b2ShapeType.e_shapeTypeCount),box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<=b&&b<box2d.b2ShapeType.e_shapeTypeCount),null!==(b=(i=this.m_registers[i][b]).createFcn)?(i.primary?(i=b(this.m_allocator)).Reset(o,t,e,r):(i=b(this.m_allocator)).Reset(e,r,o,t),i):null},goog.exportProperty(box2d.b2ContactFactory.prototype,"Create",box2d.b2ContactFactory.prototype.Create),box2d.b2ContactFactory.prototype.Destroy=function(o){var t=o.m_fixtureA,e=o.m_fixtureB;0<o.m_manifold.pointCount&&!t.IsSensor()&&!e.IsSensor()&&(t.GetBody().SetAwake(!0),e.GetBody().SetAwake(!0)),t=t.GetType(),e=e.GetType(),box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<=t&&e<box2d.b2ShapeType.e_shapeTypeCount),box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<=t&&e<box2d.b2ShapeType.e_shapeTypeCount),(e=this.m_registers[t][e].destroyFcn)(o,this.m_allocator)},goog.exportProperty(box2d.b2ContactFactory.prototype,"Destroy",box2d.b2ContactFactory.prototype.Destroy),box2d.b2ContactManager=function(){this.m_broadPhase=new box2d.b2BroadPhase,this.m_contactFactory=new box2d.b2ContactFactory(this.m_allocator)},box2d.b2ContactManager.prototype.m_broadPhase=null,goog.exportProperty(box2d.b2ContactManager.prototype,"m_broadPhase",box2d.b2ContactManager.prototype.m_broadPhase),box2d.b2ContactManager.prototype.m_contactList=null,goog.exportProperty(box2d.b2ContactManager.prototype,"m_contactList",box2d.b2ContactManager.prototype.m_contactList),box2d.b2ContactManager.prototype.m_contactCount=0,goog.exportProperty(box2d.b2ContactManager.prototype,"m_contactCount",box2d.b2ContactManager.prototype.m_contactCount),box2d.b2ContactManager.prototype.m_contactFilter=box2d.b2ContactFilter.b2_defaultFilter,goog.exportProperty(box2d.b2ContactManager.prototype,"m_contactFilter",box2d.b2ContactManager.prototype.m_contactFilter),box2d.b2ContactManager.prototype.m_contactListener=box2d.b2ContactListener.b2_defaultListener,goog.exportProperty(box2d.b2ContactManager.prototype,"m_contactListener",box2d.b2ContactManager.prototype.m_contactListener),box2d.b2ContactManager.prototype.m_allocator=null,goog.exportProperty(box2d.b2ContactManager.prototype,"m_allocator",box2d.b2ContactManager.prototype.m_allocator),box2d.b2ContactManager.prototype.m_contactFactory=null,goog.exportProperty(box2d.b2ContactManager.prototype,"m_contactFactory",box2d.b2ContactManager.prototype.m_contactFactory),box2d.b2ContactManager.prototype.Destroy=function(o){var t=o.GetFixtureA(),e=o.GetFixtureB();t=t.GetBody(),e=e.GetBody();this.m_contactListener&&o.IsTouching()&&this.m_contactListener.EndContact(o),o.m_prev&&(o.m_prev.m_next=o.m_next),o.m_next&&(o.m_next.m_prev=o.m_prev),o===this.m_contactList&&(this.m_contactList=o.m_next),o.m_nodeA.prev&&(o.m_nodeA.prev.next=o.m_nodeA.next),o.m_nodeA.next&&(o.m_nodeA.next.prev=o.m_nodeA.prev),o.m_nodeA===t.m_contactList&&(t.m_contactList=o.m_nodeA.next),o.m_nodeB.prev&&(o.m_nodeB.prev.next=o.m_nodeB.next),o.m_nodeB.next&&(o.m_nodeB.next.prev=o.m_nodeB.prev),o.m_nodeB===e.m_contactList&&(e.m_contactList=o.m_nodeB.next),this.m_contactFactory.Destroy(o),--this.m_contactCount},goog.exportProperty(box2d.b2ContactManager.prototype,"Destroy",box2d.b2ContactManager.prototype.Destroy),box2d.b2ContactManager.prototype.Collide=function(){for(var o=this.m_contactList;o;){var t=o.GetFixtureA(),e=o.GetFixtureB(),r=o.GetChildIndexA(),i=o.GetChildIndexB(),b=t.GetBody(),n=e.GetBody();if(o.m_flag_filterFlag){if(!n.ShouldCollide(b)){o=(t=o).m_next,this.Destroy(t);continue}if(this.m_contactFilter&&!this.m_contactFilter.ShouldCollide(t,e)){o=(t=o).m_next,this.Destroy(t);continue}o.m_flag_filterFlag=!1}b=b.IsAwake()&&b.m_type!==box2d.b2BodyType.b2_staticBody,n=n.IsAwake()&&n.m_type!==box2d.b2BodyType.b2_staticBody,b||n?this.m_broadPhase.TestOverlap(t.m_proxies[r].proxy,e.m_proxies[i].proxy)?(o.Update(this.m_contactListener),o=o.m_next):(o=(t=o).m_next,this.Destroy(t)):o=o.m_next}},goog.exportProperty(box2d.b2ContactManager.prototype,"Collide",box2d.b2ContactManager.prototype.Collide),box2d.b2ContactManager.prototype.FindNewContacts=function(){this.m_broadPhase.UpdatePairs(this)},goog.exportProperty(box2d.b2ContactManager.prototype,"FindNewContacts",box2d.b2ContactManager.prototype.FindNewContacts),box2d.b2ContactManager.prototype.AddPair=function(o,t){box2d.ENABLE_ASSERTS&&box2d.b2Assert(o instanceof box2d.b2FixtureProxy),box2d.ENABLE_ASSERTS&&box2d.b2Assert(t instanceof box2d.b2FixtureProxy);var e=o.fixture,r=t.fixture,i=o.childIndex,b=t.childIndex,n=e.GetBody(),p=r.GetBody();if(n!==p){for(var s=p.GetContactList();s;){if(s.other===n){var a=s.contact.GetFixtureA(),d=s.contact.GetFixtureB(),l=s.contact.GetChildIndexA(),x=s.contact.GetChildIndexB();if(a===e&&d===r&&l===i&&x===b||a===r&&d===e&&l===b&&x===i)return}s=s.next}!p.ShouldCollide(n)||this.m_contactFilter&&!this.m_contactFilter.ShouldCollide(e,r)||null!==(i=this.m_contactFactory.Create(e,i,r,b))&&(e=i.GetFixtureA(),r=i.GetFixtureB(),n=e.m_body,p=r.m_body,i.m_prev=null,i.m_next=this.m_contactList,null!==this.m_contactList&&(this.m_contactList.m_prev=i),this.m_contactList=i,i.m_nodeA.contact=i,i.m_nodeA.other=p,i.m_nodeA.prev=null,i.m_nodeA.next=n.m_contactList,null!==n.m_contactList&&(n.m_contactList.prev=i.m_nodeA),n.m_contactList=i.m_nodeA,i.m_nodeB.contact=i,i.m_nodeB.other=n,i.m_nodeB.prev=null,i.m_nodeB.next=p.m_contactList,null!==p.m_contactList&&(p.m_contactList.prev=i.m_nodeB),p.m_contactList=i.m_nodeB,e.IsSensor()||r.IsSensor()||(n.SetAwake(!0),p.SetAwake(!0)),++this.m_contactCount)}},goog.exportProperty(box2d.b2ContactManager.prototype,"AddPair",box2d.b2ContactManager.prototype.AddPair),box2d.b2EdgeAndCircleContact=function(){box2d.b2Contact.call(this)},goog.inherits(box2d.b2EdgeAndCircleContact,box2d.b2Contact),goog.exportSymbol("box2d.b2EdgeAndCircleContact",box2d.b2EdgeAndCircleContact),box2d.b2EdgeAndCircleContact.Create=function(o){return new box2d.b2EdgeAndCircleContact},goog.exportProperty(box2d.b2EdgeAndCircleContact,"Create",box2d.b2EdgeAndCircleContact.Create),box2d.b2EdgeAndCircleContact.Destroy=function(o,t){},goog.exportProperty(box2d.b2EdgeAndCircleContact,"Destroy",box2d.b2EdgeAndCircleContact.Destroy),box2d.b2EdgeAndCircleContact.prototype.Evaluate=function(o,t,e){var r=this.m_fixtureA.GetShape(),i=this.m_fixtureB.GetShape();box2d.ENABLE_ASSERTS&&box2d.b2Assert(r instanceof box2d.b2EdgeShape),box2d.ENABLE_ASSERTS&&box2d.b2Assert(i instanceof box2d.b2CircleShape),box2d.b2CollideEdgeAndCircle(o,r instanceof box2d.b2EdgeShape?r:null,t,i instanceof box2d.b2CircleShape?i:null,e)},goog.exportProperty(box2d.b2EdgeAndCircleContact.prototype,"Evaluate",box2d.b2EdgeAndCircleContact.prototype.Evaluate),box2d.b2EdgeAndPolygonContact=function(){box2d.b2Contact.call(this)},goog.inherits(box2d.b2EdgeAndPolygonContact,box2d.b2Contact),goog.exportSymbol("box2d.b2EdgeAndPolygonContact",box2d.b2EdgeAndPolygonContact),box2d.b2EdgeAndPolygonContact.Create=function(o){return new box2d.b2EdgeAndPolygonContact},goog.exportProperty(box2d.b2EdgeAndPolygonContact,"Create",box2d.b2EdgeAndPolygonContact.Create),box2d.b2EdgeAndPolygonContact.Destroy=function(o,t){},goog.exportProperty(box2d.b2EdgeAndPolygonContact,"Destroy",box2d.b2EdgeAndPolygonContact.Destroy),box2d.b2EdgeAndPolygonContact.prototype.Evaluate=function(o,t,e){var r=this.m_fixtureA.GetShape(),i=this.m_fixtureB.GetShape();box2d.ENABLE_ASSERTS&&box2d.b2Assert(r instanceof box2d.b2EdgeShape),box2d.ENABLE_ASSERTS&&box2d.b2Assert(i instanceof box2d.b2PolygonShape),box2d.b2CollideEdgeAndPolygon(o,r instanceof box2d.b2EdgeShape?r:null,t,i instanceof box2d.b2PolygonShape?i:null,e)},goog.exportProperty(box2d.b2EdgeAndPolygonContact.prototype,"Evaluate",box2d.b2EdgeAndPolygonContact.prototype.Evaluate),box2d.b2PolygonAndCircleContact=function(){box2d.b2Contact.call(this)},goog.inherits(box2d.b2PolygonAndCircleContact,box2d.b2Contact),goog.exportSymbol("box2d.b2PolygonAndCircleContact",box2d.b2PolygonAndCircleContact),box2d.b2PolygonAndCircleContact.Create=function(o){return new box2d.b2PolygonAndCircleContact},goog.exportProperty(box2d.b2PolygonAndCircleContact,"Create",box2d.b2PolygonAndCircleContact.Create),box2d.b2PolygonAndCircleContact.Destroy=function(o,t){},goog.exportProperty(box2d.b2PolygonAndCircleContact,"Destroy",box2d.b2PolygonAndCircleContact.Destroy),box2d.b2PolygonAndCircleContact.prototype.Evaluate=function(o,t,e){var r=this.m_fixtureA.GetShape(),i=this.m_fixtureB.GetShape();box2d.ENABLE_ASSERTS&&box2d.b2Assert(r instanceof box2d.b2PolygonShape),box2d.ENABLE_ASSERTS&&box2d.b2Assert(i instanceof box2d.b2CircleShape),box2d.b2CollidePolygonAndCircle(o,r instanceof box2d.b2PolygonShape?r:null,t,i instanceof box2d.b2CircleShape?i:null,e)},goog.exportProperty(box2d.b2PolygonAndCircleContact.prototype,"Evaluate",box2d.b2PolygonAndCircleContact.prototype.Evaluate),box2d.b2PolygonContact=function(){box2d.b2Contact.call(this)},goog.inherits(box2d.b2PolygonContact,box2d.b2Contact),goog.exportSymbol("box2d.b2PolygonContact",box2d.b2PolygonContact),box2d.b2PolygonContact.Create=function(o){return new box2d.b2PolygonContact},goog.exportProperty(box2d.b2PolygonContact,"Create",box2d.b2PolygonContact.Create),box2d.b2PolygonContact.Destroy=function(o,t){},goog.exportProperty(box2d.b2PolygonContact,"Destroy",box2d.b2PolygonContact.Destroy),box2d.b2PolygonContact.prototype.Evaluate=function(o,t,e){var r=this.m_fixtureA.GetShape(),i=this.m_fixtureB.GetShape();box2d.ENABLE_ASSERTS&&box2d.b2Assert(r instanceof box2d.b2PolygonShape),box2d.ENABLE_ASSERTS&&box2d.b2Assert(i instanceof box2d.b2PolygonShape),box2d.b2CollidePolygons(o,r instanceof box2d.b2PolygonShape?r:null,t,i instanceof box2d.b2PolygonShape?i:null,e)},goog.exportProperty(box2d.b2PolygonContact.prototype,"Evaluate",box2d.b2PolygonContact.prototype.Evaluate),box2d.g_blockSolve=!0,box2d.b2VelocityConstraintPoint=function(){this.rA=new box2d.b2Vec2,this.rB=new box2d.b2Vec2},goog.exportSymbol("box2d.b2VelocityConstraintPoint",box2d.b2VelocityConstraintPoint),box2d.b2VelocityConstraintPoint.prototype.rA=null,goog.exportProperty(box2d.b2VelocityConstraintPoint.prototype,"rA",box2d.b2VelocityConstraintPoint.prototype.rA),box2d.b2VelocityConstraintPoint.prototype.rB=null,goog.exportProperty(box2d.b2VelocityConstraintPoint.prototype,"rB",box2d.b2VelocityConstraintPoint.prototype.rB),box2d.b2VelocityConstraintPoint.prototype.normalImpulse=0,goog.exportProperty(box2d.b2VelocityConstraintPoint.prototype,"normalImpulse",box2d.b2VelocityConstraintPoint.prototype.normalImpulse),box2d.b2VelocityConstraintPoint.prototype.tangentImpulse=0,goog.exportProperty(box2d.b2VelocityConstraintPoint.prototype,"tangentImpulse",box2d.b2VelocityConstraintPoint.prototype.tangentImpulse),box2d.b2VelocityConstraintPoint.prototype.normalMass=0,goog.exportProperty(box2d.b2VelocityConstraintPoint.prototype,"normalMass",box2d.b2VelocityConstraintPoint.prototype.normalMass),box2d.b2VelocityConstraintPoint.prototype.tangentMass=0,goog.exportProperty(box2d.b2VelocityConstraintPoint.prototype,"tangentMass",box2d.b2VelocityConstraintPoint.prototype.tangentMass),box2d.b2VelocityConstraintPoint.prototype.velocityBias=0,goog.exportProperty(box2d.b2VelocityConstraintPoint.prototype,"velocityBias",box2d.b2VelocityConstraintPoint.prototype.velocityBias),box2d.b2VelocityConstraintPoint.MakeArray=function(o){return box2d.b2MakeArray(o,function(o){return new box2d.b2VelocityConstraintPoint})},goog.exportProperty(box2d.b2VelocityConstraintPoint,"MakeArray",box2d.b2VelocityConstraintPoint.MakeArray),box2d.b2ContactVelocityConstraint=function(){this.points=box2d.b2VelocityConstraintPoint.MakeArray(box2d.b2_maxManifoldPoints),this.normal=new box2d.b2Vec2,this.tangent=new box2d.b2Vec2,this.normalMass=new box2d.b2Mat22,this.K=new box2d.b2Mat22},goog.exportSymbol("box2d.b2ContactVelocityConstraint",box2d.b2ContactVelocityConstraint),box2d.b2ContactVelocityConstraint.prototype.points=null,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"points",box2d.b2ContactVelocityConstraint.prototype.points),box2d.b2ContactVelocityConstraint.prototype.normal=null,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"normal",box2d.b2ContactVelocityConstraint.prototype.normal),box2d.b2ContactVelocityConstraint.prototype.tangent=null,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"tangent",box2d.b2ContactVelocityConstraint.prototype.tangent),box2d.b2ContactVelocityConstraint.prototype.normalMass=null,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"normalMass",box2d.b2ContactVelocityConstraint.prototype.normalMass),box2d.b2ContactVelocityConstraint.prototype.K=null,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"K",box2d.b2ContactVelocityConstraint.prototype.K),box2d.b2ContactVelocityConstraint.prototype.indexA=0,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"indexA",box2d.b2ContactVelocityConstraint.prototype.indexA),box2d.b2ContactVelocityConstraint.prototype.indexB=0,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"indexB",box2d.b2ContactVelocityConstraint.prototype.indexB),box2d.b2ContactVelocityConstraint.prototype.invMassA=0,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"invMassA",box2d.b2ContactVelocityConstraint.prototype.invMassA),box2d.b2ContactVelocityConstraint.prototype.invMassB=0,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"invMassB",box2d.b2ContactVelocityConstraint.prototype.invMassB),box2d.b2ContactVelocityConstraint.prototype.invIA=0,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"invIA",box2d.b2ContactVelocityConstraint.prototype.invIA),box2d.b2ContactVelocityConstraint.prototype.invIB=0,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"invIB",box2d.b2ContactVelocityConstraint.prototype.invIB),box2d.b2ContactVelocityConstraint.prototype.friction=0,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"friction",box2d.b2ContactVelocityConstraint.prototype.friction),box2d.b2ContactVelocityConstraint.prototype.restitution=0,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"restitution",box2d.b2ContactVelocityConstraint.prototype.restitution),box2d.b2ContactVelocityConstraint.prototype.tangentSpeed=0,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"tangentSpeed",box2d.b2ContactVelocityConstraint.prototype.tangentSpeed),box2d.b2ContactVelocityConstraint.prototype.pointCount=0,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"pointCount",box2d.b2ContactVelocityConstraint.prototype.pointCount),box2d.b2ContactVelocityConstraint.prototype.contactIndex=0,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"contactIndex",box2d.b2ContactVelocityConstraint.prototype.contactIndex),box2d.b2ContactVelocityConstraint.MakeArray=function(o){return box2d.b2MakeArray(o,function(o){return new box2d.b2ContactVelocityConstraint})},goog.exportProperty(box2d.b2ContactVelocityConstraint,"MakeArray",box2d.b2ContactVelocityConstraint.MakeArray),box2d.b2ContactPositionConstraint=function(){this.localPoints=box2d.b2Vec2.MakeArray(box2d.b2_maxManifoldPoints),this.localNormal=new box2d.b2Vec2,this.localPoint=new box2d.b2Vec2,this.localCenterA=new box2d.b2Vec2,this.localCenterB=new box2d.b2Vec2},goog.exportSymbol("box2d.b2ContactPositionConstraint",box2d.b2ContactPositionConstraint),box2d.b2ContactPositionConstraint.prototype.localPoints=null,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"localPoints",box2d.b2ContactPositionConstraint.prototype.localPoints),box2d.b2ContactPositionConstraint.prototype.localNormal=null,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"localNormal",box2d.b2ContactPositionConstraint.prototype.localNormal),box2d.b2ContactPositionConstraint.prototype.localPoint=null,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"localPoint",box2d.b2ContactPositionConstraint.prototype.localPoint),box2d.b2ContactPositionConstraint.prototype.indexA=0,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"indexA",box2d.b2ContactPositionConstraint.prototype.indexA),box2d.b2ContactPositionConstraint.prototype.indexB=0,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"indexB",box2d.b2ContactPositionConstraint.prototype.indexB),box2d.b2ContactPositionConstraint.prototype.invMassA=0,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"invMassA",box2d.b2ContactPositionConstraint.prototype.invMassA),box2d.b2ContactPositionConstraint.prototype.invMassB=0,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"invMassB",box2d.b2ContactPositionConstraint.prototype.invMassB),box2d.b2ContactPositionConstraint.prototype.localCenterA=null,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"localCenterA",box2d.b2ContactPositionConstraint.prototype.localCenterA),box2d.b2ContactPositionConstraint.prototype.localCenterB=null,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"localCenterB",box2d.b2ContactPositionConstraint.prototype.localCenterB),box2d.b2ContactPositionConstraint.prototype.invIA=0,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"invIA",box2d.b2ContactPositionConstraint.prototype.invIA),box2d.b2ContactPositionConstraint.prototype.invIB=0,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"invIB",box2d.b2ContactPositionConstraint.prototype.invIB),box2d.b2ContactPositionConstraint.prototype.type=box2d.b2ManifoldType.e_unknown,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"type",box2d.b2ContactPositionConstraint.prototype.type),box2d.b2ContactPositionConstraint.prototype.radiusA=0,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"radiusA",box2d.b2ContactPositionConstraint.prototype.radiusA),box2d.b2ContactPositionConstraint.prototype.radiusB=0,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"radiusB",box2d.b2ContactPositionConstraint.prototype.radiusB),box2d.b2ContactPositionConstraint.prototype.pointCount=0,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"pointCount",box2d.b2ContactPositionConstraint.prototype.pointCount),box2d.b2ContactPositionConstraint.MakeArray=function(o){return box2d.b2MakeArray(o,function(o){return new box2d.b2ContactPositionConstraint})},goog.exportProperty(box2d.b2ContactPositionConstraint,"MakeArray",box2d.b2ContactPositionConstraint.MakeArray),box2d.b2ContactSolverDef=function(){this.step=new box2d.b2TimeStep},goog.exportSymbol("box2d.b2ContactSolverDef",box2d.b2ContactSolverDef),box2d.b2ContactSolverDef.prototype.step=null,goog.exportProperty(box2d.b2ContactSolverDef.prototype,"step",box2d.b2ContactSolverDef.prototype.step),box2d.b2ContactSolverDef.prototype.contacts=null,goog.exportProperty(box2d.b2ContactSolverDef.prototype,"contacts",box2d.b2ContactSolverDef.prototype.contacts),box2d.b2ContactSolverDef.prototype.count=0,goog.exportProperty(box2d.b2ContactSolverDef.prototype,"count",box2d.b2ContactSolverDef.prototype.count),box2d.b2ContactSolverDef.prototype.positions=null,goog.exportProperty(box2d.b2ContactSolverDef.prototype,"positions",box2d.b2ContactSolverDef.prototype.positions),box2d.b2ContactSolverDef.prototype.velocities=null,goog.exportProperty(box2d.b2ContactSolverDef.prototype,"velocities",box2d.b2ContactSolverDef.prototype.velocities),box2d.b2ContactSolverDef.prototype.allocator=null,goog.exportProperty(box2d.b2ContactSolverDef.prototype,"allocator",box2d.b2ContactSolverDef.prototype.allocator);box2d.b2ContactSolver=function(){this.m_step=new box2d.b2TimeStep,this.m_positionConstraints=box2d.b2ContactPositionConstraint.MakeArray(1024),this.m_velocityConstraints=box2d.b2ContactVelocityConstraint.MakeArray(1024)},goog.exportSymbol("box2d.b2ContactSolver",box2d.b2ContactSolver),box2d.b2ContactSolver.prototype.m_step=null,goog.exportProperty(box2d.b2ContactSolver.prototype,"m_step",box2d.b2ContactSolver.prototype.m_step),box2d.b2ContactSolver.prototype.m_positions=null,goog.exportProperty(box2d.b2ContactSolver.prototype,"m_positions",box2d.b2ContactSolver.prototype.m_positions),box2d.b2ContactSolver.prototype.m_velocities=null,goog.exportProperty(box2d.b2ContactSolver.prototype,"m_velocities",box2d.b2ContactSolver.prototype.m_velocities),box2d.b2ContactSolver.prototype.m_allocator=null,goog.exportProperty(box2d.b2ContactSolver.prototype,"m_allocator",box2d.b2ContactSolver.prototype.m_allocator),box2d.b2ContactSolver.prototype.m_positionConstraints=null,goog.exportProperty(box2d.b2ContactSolver.prototype,"m_positionConstraints",box2d.b2ContactSolver.prototype.m_positionConstraints),box2d.b2ContactSolver.prototype.m_velocityConstraints=null,goog.exportProperty(box2d.b2ContactSolver.prototype,"m_velocityConstraints",box2d.b2ContactSolver.prototype.m_velocityConstraints),box2d.b2ContactSolver.prototype.m_contacts=null,goog.exportProperty(box2d.b2ContactSolver.prototype,"m_contacts",box2d.b2ContactSolver.prototype.m_contacts),box2d.b2ContactSolver.prototype.m_count=0,goog.exportProperty(box2d.b2ContactSolver.prototype,"m_count",box2d.b2ContactSolver.prototype.m_count),box2d.b2ContactSolver.prototype.Initialize=function(o){if(this.m_step.Copy(o.step),this.m_allocator=o.allocator,this.m_count=o.count,this.m_positionConstraints.length<this.m_count){var t=box2d.b2Max(2*this.m_positionConstraints.length,this.m_count);for(box2d.DEBUG&&window.console.log("box2d.b2ContactSolver.m_positionConstraints: "+t);this.m_positionConstraints.length<t;)this.m_positionConstraints[this.m_positionConstraints.length]=new box2d.b2ContactPositionConstraint}if(this.m_velocityConstraints.length<this.m_count)for(t=box2d.b2Max(2*this.m_velocityConstraints.length,this.m_count),box2d.DEBUG&&window.console.log("box2d.b2ContactSolver.m_velocityConstraints: "+t);this.m_velocityConstraints.length<t;)this.m_velocityConstraints[this.m_velocityConstraints.length]=new box2d.b2ContactVelocityConstraint;var e,r,i,b,n,p,s,a;for(this.m_positions=o.positions,this.m_velocities=o.velocities,this.m_contacts=o.contacts,o=0,t=this.m_count;o<t;++o)for(b=(i=this.m_contacts[o]).m_fixtureA,n=i.m_fixtureB,e=b.GetShape(),r=n.GetShape(),e=e.m_radius,r=r.m_radius,p=b.GetBody(),s=n.GetBody(),a=(n=i.GetManifold()).pointCount,box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<a),(b=this.m_velocityConstraints[o]).friction=i.m_friction,b.restitution=i.m_restitution,b.tangentSpeed=i.m_tangentSpeed,b.indexA=p.m_islandIndex,b.indexB=s.m_islandIndex,b.invMassA=p.m_invMass,b.invMassB=s.m_invMass,b.invIA=p.m_invI,b.invIB=s.m_invI,b.contactIndex=o,b.pointCount=a,b.K.SetZero(),b.normalMass.SetZero(),(i=this.m_positionConstraints[o]).indexA=p.m_islandIndex,i.indexB=s.m_islandIndex,i.invMassA=p.m_invMass,i.invMassB=s.m_invMass,i.localCenterA.Copy(p.m_sweep.localCenter),i.localCenterB.Copy(s.m_sweep.localCenter),i.invIA=p.m_invI,i.invIB=s.m_invI,i.localNormal.Copy(n.localNormal),i.localPoint.Copy(n.localPoint),i.pointCount=a,i.radiusA=e,i.radiusB=r,i.type=n.type,e=0,r=a;e<r;++e)p=n.points[e],a=b.points[e],this.m_step.warmStarting?(a.normalImpulse=this.m_step.dtRatio*p.normalImpulse,a.tangentImpulse=this.m_step.dtRatio*p.tangentImpulse):(a.normalImpulse=0,a.tangentImpulse=0),a.rA.SetZero(),a.rB.SetZero(),a.normalMass=0,a.tangentMass=0,a.velocityBias=0,i.localPoints[e].Copy(p.localPoint);return this},goog.exportProperty(box2d.b2ContactSolver.prototype,"Initialize",box2d.b2ContactSolver.prototype.Initialize),box2d.b2ContactSolver.prototype.InitializeVelocityConstraints=function(){var o,t,e,r,i,b,n,p,s,a,d,l,x,y,c,_,m,u,h,g,f=box2d.b2ContactSolver.prototype.InitializeVelocityConstraints.s_xfA,S=box2d.b2ContactSolver.prototype.InitializeVelocityConstraints.s_xfB,P=box2d.b2ContactSolver.prototype.InitializeVelocityConstraints.s_worldManifold;for(o=0,t=this.m_count;o<t;++o){for(i=this.m_velocityConstraints[o],e=(b=this.m_positionConstraints[o]).radiusA,r=b.radiusB,n=this.m_contacts[i.contactIndex].GetManifold(),p=i.indexA,s=i.indexB,a=i.invMassA,d=i.invMassB,l=i.invIA,x=i.invIB,y=b.localCenterA,c=b.localCenterB,b=this.m_positions[p].c,_=this.m_positions[p].a,m=this.m_velocities[p].v,p=this.m_velocities[p].w,u=this.m_positions[s].c,h=this.m_positions[s].a,g=this.m_velocities[s].v,s=this.m_velocities[s].w,box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<n.pointCount),f.q.SetAngle(_),S.q.SetAngle(h),box2d.b2Sub_V2_V2(b,box2d.b2Mul_R_V2(f.q,y,box2d.b2Vec2.s_t0),f.p),box2d.b2Sub_V2_V2(u,box2d.b2Mul_R_V2(S.q,c,box2d.b2Vec2.s_t0),S.p),P.Initialize(n,f,e,S,r),i.normal.Copy(P.normal),box2d.b2Cross_V2_S(i.normal,1,i.tangent),r=i.pointCount,e=0;e<r;++e)n=i.points[e],box2d.b2Sub_V2_V2(P.points[e],b,n.rA),box2d.b2Sub_V2_V2(P.points[e],u,n.rB),y=a+d+l*(y=box2d.b2Cross_V2_V2(n.rA,i.normal))*y+x*(c=box2d.b2Cross_V2_V2(n.rB,i.normal))*c,n.normalMass=0<y?1/y:0,c=i.tangent,y=a+d+l*(y=box2d.b2Cross_V2_V2(n.rA,c))*y+x*(c=box2d.b2Cross_V2_V2(n.rB,c))*c,n.tangentMass=0<y?1/y:0,n.velocityBias=0,(y=box2d.b2Dot_V2_V2(i.normal,box2d.b2Sub_V2_V2(box2d.b2AddCross_V2_S_V2(g,s,n.rB,box2d.b2Vec2.s_t0),box2d.b2AddCross_V2_S_V2(m,p,n.rA,box2d.b2Vec2.s_t1),box2d.b2Vec2.s_t0)))<-box2d.b2_velocityThreshold&&(n.velocityBias+=-i.restitution*y);2===i.pointCount&&box2d.g_blockSolve&&(m=i.points[0],u=i.points[1],b=box2d.b2Cross_V2_V2(m.rA,i.normal),m=box2d.b2Cross_V2_V2(m.rB,i.normal),p=box2d.b2Cross_V2_V2(u.rA,i.normal),s=box2d.b2Cross_V2_V2(u.rB,i.normal),(u=a+d+l*b*b+x*m*m)*u<1e3*(u*(g=a+d+l*p*p+x*s*s)-(a=a+d+l*b*p+x*m*s)*a)?(i.K.ex.Set(u,a),i.K.ey.Set(a,g),i.K.GetInverse(i.normalMass)):i.pointCount=1)}},goog.exportProperty(box2d.b2ContactSolver.prototype,"InitializeVelocityConstraints",box2d.b2ContactSolver.prototype.InitializeVelocityConstraints),box2d.b2ContactSolver.prototype.InitializeVelocityConstraints.s_xfA=new box2d.b2Transform,box2d.b2ContactSolver.prototype.InitializeVelocityConstraints.s_xfB=new box2d.b2Transform,box2d.b2ContactSolver.prototype.InitializeVelocityConstraints.s_worldManifold=new box2d.b2WorldManifold,box2d.b2ContactSolver.prototype.WarmStart=function(){var o,t,e,r,i,b,n,p,s,a,d,l,x,y,c,_,m,u,h=box2d.b2ContactSolver.prototype.WarmStart.s_P;for(o=0,t=this.m_count;o<t;++o){for(b=(i=this.m_velocityConstraints[o]).indexA,n=i.indexB,p=i.invMassA,s=i.invIA,a=i.invMassB,d=i.invIB,r=i.pointCount,l=this.m_velocities[b].v,x=this.m_velocities[b].w,y=this.m_velocities[n].v,c=this.m_velocities[n].w,_=i.normal,m=i.tangent,e=0;e<r;++e)u=i.points[e],box2d.b2Add_V2_V2(box2d.b2Mul_S_V2(u.normalImpulse,_,box2d.b2Vec2.s_t0),box2d.b2Mul_S_V2(u.tangentImpulse,m,box2d.b2Vec2.s_t1),h),x-=s*box2d.b2Cross_V2_V2(u.rA,h),l.SelfMulSub(p,h),c+=d*box2d.b2Cross_V2_V2(u.rB,h),y.SelfMulAdd(a,h);this.m_velocities[b].w=x,this.m_velocities[n].w=c}},goog.exportProperty(box2d.b2ContactSolver.prototype,"WarmStart",box2d.b2ContactSolver.prototype.WarmStart),box2d.b2ContactSolver.prototype.WarmStart.s_P=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolveVelocityConstraints=function(){var o,t,e,r,i,b,n,p,s,a,d,l,x,y,c,_,m,u,h,g,f,S,P=box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_dv,C=box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_dv1,A=box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_dv2,B=box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_P,v=box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_a,V=box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_b,J=box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_x,M=box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_d,w=box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_P1,D=box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_P2,G=box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_P1P2;for(o=0,t=this.m_count;o<t;++o){for(b=(i=this.m_velocityConstraints[o]).indexA,n=i.indexB,p=i.invMassA,s=i.invIA,a=i.invMassB,d=i.invIB,l=i.pointCount,x=this.m_velocities[b].v,y=this.m_velocities[b].w,c=this.m_velocities[n].v,_=this.m_velocities[n].w,m=i.normal,u=i.tangent,h=i.friction,box2d.ENABLE_ASSERTS&&box2d.b2Assert(1===l||2===l),e=0,r=l;e<r;++e)g=i.points[e],box2d.b2Sub_V2_V2(box2d.b2AddCross_V2_S_V2(c,_,g.rB,box2d.b2Vec2.s_t0),box2d.b2AddCross_V2_S_V2(x,y,g.rA,box2d.b2Vec2.s_t1),P),f=box2d.b2Dot_V2_V2(P,u)-i.tangentSpeed,f=g.tangentMass*-f,S=h*g.normalImpulse,f=(S=box2d.b2Clamp(g.tangentImpulse+f,-S,S))-g.tangentImpulse,g.tangentImpulse=S,box2d.b2Mul_S_V2(f,u,B),x.SelfMulSub(p,B),y-=s*box2d.b2Cross_V2_V2(g.rA,B),c.SelfMulAdd(a,B),_+=d*box2d.b2Cross_V2_V2(g.rB,B);if(1!==i.pointCount&&box2d.g_blockSolve)for(l=i.points[0],g=i.points[1],v.Set(l.normalImpulse,g.normalImpulse),box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<=v.x&&0<=v.y),box2d.b2Sub_V2_V2(box2d.b2AddCross_V2_S_V2(c,_,l.rB,box2d.b2Vec2.s_t0),box2d.b2AddCross_V2_S_V2(x,y,l.rA,box2d.b2Vec2.s_t1),C),box2d.b2Sub_V2_V2(box2d.b2AddCross_V2_S_V2(c,_,g.rB,box2d.b2Vec2.s_t0),box2d.b2AddCross_V2_S_V2(x,y,g.rA,box2d.b2Vec2.s_t1),A),e=box2d.b2Dot_V2_V2(C,m),r=box2d.b2Dot_V2_V2(A,m),V.x=e-l.velocityBias,V.y=r-g.velocityBias,V.SelfSub(box2d.b2Mul_M22_V2(i.K,v,box2d.b2Vec2.s_t0));;){if(box2d.b2Mul_M22_V2(i.normalMass,V,J).SelfNeg(),0<=J.x&&0<=J.y){box2d.b2Sub_V2_V2(J,v,M),box2d.b2Mul_S_V2(M.x,m,w),box2d.b2Mul_S_V2(M.y,m,D),box2d.b2Add_V2_V2(w,D,G),x.SelfMulSub(p,G),y-=s*(box2d.b2Cross_V2_V2(l.rA,w)+box2d.b2Cross_V2_V2(g.rA,D)),c.SelfMulAdd(a,G),_+=d*(box2d.b2Cross_V2_V2(l.rB,w)+box2d.b2Cross_V2_V2(g.rB,D)),l.normalImpulse=J.x,g.normalImpulse=J.y;break}if(J.x=-l.normalMass*V.x,J.y=0,r=i.K.ex.y*J.x+V.y,0<=J.x&&0<=r){box2d.b2Sub_V2_V2(J,v,M),box2d.b2Mul_S_V2(M.x,m,w),box2d.b2Mul_S_V2(M.y,m,D),box2d.b2Add_V2_V2(w,D,G),x.SelfMulSub(p,G),y-=s*(box2d.b2Cross_V2_V2(l.rA,w)+box2d.b2Cross_V2_V2(g.rA,D)),c.SelfMulAdd(a,G),_+=d*(box2d.b2Cross_V2_V2(l.rB,w)+box2d.b2Cross_V2_V2(g.rB,D)),l.normalImpulse=J.x,g.normalImpulse=J.y;break}if(J.x=0,J.y=-g.normalMass*V.y,e=i.K.ey.x*J.y+V.x,0<=J.y&&0<=e){box2d.b2Sub_V2_V2(J,v,M),box2d.b2Mul_S_V2(M.x,m,w),box2d.b2Mul_S_V2(M.y,m,D),box2d.b2Add_V2_V2(w,D,G),x.SelfMulSub(p,G),y-=s*(box2d.b2Cross_V2_V2(l.rA,w)+box2d.b2Cross_V2_V2(g.rA,D)),c.SelfMulAdd(a,G),_+=d*(box2d.b2Cross_V2_V2(l.rB,w)+box2d.b2Cross_V2_V2(g.rB,D)),l.normalImpulse=J.x,g.normalImpulse=J.y;break}if(J.x=0,J.y=0,e=V.x,r=V.y,0<=e&&0<=r){box2d.b2Sub_V2_V2(J,v,M),box2d.b2Mul_S_V2(M.x,m,w),box2d.b2Mul_S_V2(M.y,m,D),box2d.b2Add_V2_V2(w,D,G),x.SelfMulSub(p,G),y-=s*(box2d.b2Cross_V2_V2(l.rA,w)+box2d.b2Cross_V2_V2(g.rA,D)),c.SelfMulAdd(a,G),_+=d*(box2d.b2Cross_V2_V2(l.rB,w)+box2d.b2Cross_V2_V2(g.rB,D)),l.normalImpulse=J.x,g.normalImpulse=J.y;break}break}else for(e=0;e<l;++e)g=i.points[e],box2d.b2Sub_V2_V2(box2d.b2AddCross_V2_S_V2(c,_,g.rB,box2d.b2Vec2.s_t0),box2d.b2AddCross_V2_S_V2(x,y,g.rA,box2d.b2Vec2.s_t1),P),r=box2d.b2Dot_V2_V2(P,m),f=-g.normalMass*(r-g.velocityBias),f=(S=box2d.b2Max(g.normalImpulse+f,0))-g.normalImpulse,g.normalImpulse=S,box2d.b2Mul_S_V2(f,m,B),x.SelfMulSub(p,B),y-=s*box2d.b2Cross_V2_V2(g.rA,B),c.SelfMulAdd(a,B),_+=d*box2d.b2Cross_V2_V2(g.rB,B);this.m_velocities[b].w=y,this.m_velocities[n].w=_}},goog.exportProperty(box2d.b2ContactSolver.prototype,"SolveVelocityConstraints",box2d.b2ContactSolver.prototype.SolveVelocityConstraints),box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_dv=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_dv1=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_dv2=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_P=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_a=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_b=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_x=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_d=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_P1=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_P2=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_P1P2=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.StoreImpulses=function(){var o,t,e,r,i,b;for(o=0,t=this.m_count;o<t;++o)for(i=this.m_velocityConstraints[o],b=this.m_contacts[i.contactIndex].GetManifold(),e=0,r=i.pointCount;e<r;++e)b.points[e].normalImpulse=i.points[e].normalImpulse,b.points[e].tangentImpulse=i.points[e].tangentImpulse},goog.exportProperty(box2d.b2ContactSolver.prototype,"StoreImpulses",box2d.b2ContactSolver.prototype.StoreImpulses),box2d.b2PositionSolverManifold=function(){this.normal=new box2d.b2Vec2,this.point=new box2d.b2Vec2},goog.exportSymbol("box2d.b2PositionSolverManifold",box2d.b2PositionSolverManifold),box2d.b2PositionSolverManifold.prototype.normal=null,goog.exportProperty(box2d.b2PositionSolverManifold.prototype,"normal",box2d.b2PositionSolverManifold.prototype.normal),box2d.b2PositionSolverManifold.prototype.point=null,goog.exportProperty(box2d.b2PositionSolverManifold.prototype,"point",box2d.b2PositionSolverManifold.prototype.point),box2d.b2PositionSolverManifold.prototype.separation=0,goog.exportProperty(box2d.b2PositionSolverManifold.prototype,"separation",box2d.b2PositionSolverManifold.prototype.separation),box2d.b2PositionSolverManifold.prototype.Initialize=function(o,t,e,r){var i=box2d.b2PositionSolverManifold.prototype.Initialize.s_pointA,b=box2d.b2PositionSolverManifold.prototype.Initialize.s_pointB,n=box2d.b2PositionSolverManifold.prototype.Initialize.s_planePoint,p=box2d.b2PositionSolverManifold.prototype.Initialize.s_clipPoint;switch(box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<o.pointCount),o.type){case box2d.b2ManifoldType.e_circles:box2d.b2Mul_X_V2(t,o.localPoint,i),box2d.b2Mul_X_V2(e,o.localPoints[0],b),box2d.b2Sub_V2_V2(b,i,this.normal).SelfNormalize(),box2d.b2Mid_V2_V2(i,b,this.point),this.separation=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(b,i,box2d.b2Vec2.s_t0),this.normal)-o.radiusA-o.radiusB;break;case box2d.b2ManifoldType.e_faceA:box2d.b2Mul_R_V2(t.q,o.localNormal,this.normal),box2d.b2Mul_X_V2(t,o.localPoint,n),box2d.b2Mul_X_V2(e,o.localPoints[r],p),this.separation=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(p,n,box2d.b2Vec2.s_t0),this.normal)-o.radiusA-o.radiusB,this.point.Copy(p);break;case box2d.b2ManifoldType.e_faceB:box2d.b2Mul_R_V2(e.q,o.localNormal,this.normal),box2d.b2Mul_X_V2(e,o.localPoint,n),box2d.b2Mul_X_V2(t,o.localPoints[r],p),this.separation=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(p,n,box2d.b2Vec2.s_t0),this.normal)-o.radiusA-o.radiusB,this.point.Copy(p),this.normal.SelfNeg()}},goog.exportProperty(box2d.b2PositionSolverManifold.prototype,"Initialize",box2d.b2PositionSolverManifold.prototype.Initialize),box2d.b2PositionSolverManifold.prototype.Initialize.s_pointA=new box2d.b2Vec2,box2d.b2PositionSolverManifold.prototype.Initialize.s_pointB=new box2d.b2Vec2,box2d.b2PositionSolverManifold.prototype.Initialize.s_planePoint=new box2d.b2Vec2,box2d.b2PositionSolverManifold.prototype.Initialize.s_clipPoint=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolvePositionConstraints=function(){var o,t,e,r,i,b,n,p,s,a,d,l,x,y,c,_,m,u,h,g,f,S=box2d.b2ContactSolver.prototype.SolvePositionConstraints.s_xfA,P=box2d.b2ContactSolver.prototype.SolvePositionConstraints.s_xfB,C=box2d.b2ContactSolver.prototype.SolvePositionConstraints.s_psm,A=box2d.b2ContactSolver.prototype.SolvePositionConstraints.s_rA,B=box2d.b2ContactSolver.prototype.SolvePositionConstraints.s_rB,v=box2d.b2ContactSolver.prototype.SolvePositionConstraints.s_P,V=0;for(o=0,t=this.m_count;o<t;++o){for(b=(i=this.m_positionConstraints[o]).indexA,n=i.indexB,p=i.localCenterA,s=i.invMassA,a=i.invIA,d=i.localCenterB,l=i.invMassB,x=i.invIB,r=i.pointCount,y=this.m_positions[b].c,c=this.m_positions[b].a,_=this.m_positions[n].c,m=this.m_positions[n].a,e=0;e<r;++e)S.q.SetAngle(c),P.q.SetAngle(m),box2d.b2Sub_V2_V2(y,box2d.b2Mul_R_V2(S.q,p,box2d.b2Vec2.s_t0),S.p),box2d.b2Sub_V2_V2(_,box2d.b2Mul_R_V2(P.q,d,box2d.b2Vec2.s_t0),P.p),C.Initialize(i,S,P,e),u=C.normal,h=C.point,g=C.separation,box2d.b2Sub_V2_V2(h,y,A),box2d.b2Sub_V2_V2(h,_,B),V=box2d.b2Min(V,g),h=box2d.b2Clamp(box2d.b2_baumgarte*(g+box2d.b2_linearSlop),-box2d.b2_maxLinearCorrection,0),h=0<(g=s+l+a*(g=box2d.b2Cross_V2_V2(A,u))*g+x*(f=box2d.b2Cross_V2_V2(B,u))*f)?-h/g:0,box2d.b2Mul_S_V2(h,u,v),y.SelfMulSub(s,v),c-=a*box2d.b2Cross_V2_V2(A,v),_.SelfMulAdd(l,v),m+=x*box2d.b2Cross_V2_V2(B,v);this.m_positions[b].a=c,this.m_positions[n].a=m}return V>-3*box2d.b2_linearSlop},goog.exportProperty(box2d.b2ContactSolver.prototype,"SolvePositionConstraints",box2d.b2ContactSolver.prototype.SolvePositionConstraints),box2d.b2ContactSolver.prototype.SolvePositionConstraints.s_xfA=new box2d.b2Transform,box2d.b2ContactSolver.prototype.SolvePositionConstraints.s_xfB=new box2d.b2Transform,box2d.b2ContactSolver.prototype.SolvePositionConstraints.s_psm=new box2d.b2PositionSolverManifold,box2d.b2ContactSolver.prototype.SolvePositionConstraints.s_rA=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolvePositionConstraints.s_rB=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolvePositionConstraints.s_P=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolveTOIPositionConstraints=function(o,t){var e,r,i,b,n,p,s,a,d,l,x,y,c,_,m,u,h,g,f,S,P,C=box2d.b2ContactSolver.prototype.SolveTOIPositionConstraints.s_xfA,A=box2d.b2ContactSolver.prototype.SolveTOIPositionConstraints.s_xfB,B=box2d.b2ContactSolver.prototype.SolveTOIPositionConstraints.s_psm,v=box2d.b2ContactSolver.prototype.SolveTOIPositionConstraints.s_rA,V=box2d.b2ContactSolver.prototype.SolveTOIPositionConstraints.s_rB,J=box2d.b2ContactSolver.prototype.SolveTOIPositionConstraints.s_P,M=0;for(e=0,r=this.m_count;e<r;++e){for(p=(n=this.m_positionConstraints[e]).indexA,s=n.indexB,a=n.localCenterA,d=n.localCenterB,b=n.pointCount,x=l=0,p!==o&&p!==t||(l=n.invMassA,x=n.invIA),c=y=0,s!==o&&s!==t||(y=n.invMassB,c=n.invIB),_=this.m_positions[p].c,m=this.m_positions[p].a,u=this.m_positions[s].c,h=this.m_positions[s].a,i=0;i<b;++i)C.q.SetAngle(m),A.q.SetAngle(h),box2d.b2Sub_V2_V2(_,box2d.b2Mul_R_V2(C.q,a,box2d.b2Vec2.s_t0),C.p),box2d.b2Sub_V2_V2(u,box2d.b2Mul_R_V2(A.q,d,box2d.b2Vec2.s_t0),A.p),B.Initialize(n,C,A,i),g=B.normal,f=B.point,S=B.separation,box2d.b2Sub_V2_V2(f,_,v),box2d.b2Sub_V2_V2(f,u,V),M=box2d.b2Min(M,S),f=box2d.b2Clamp(box2d.b2_toiBaumgarte*(S+box2d.b2_linearSlop),-box2d.b2_maxLinearCorrection,0),f=0<(S=l+y+x*(S=box2d.b2Cross_V2_V2(v,g))*S+c*(P=box2d.b2Cross_V2_V2(V,g))*P)?-f/S:0,box2d.b2Mul_S_V2(f,g,J),_.SelfMulSub(l,J),m-=x*box2d.b2Cross_V2_V2(v,J),u.SelfMulAdd(y,J),h+=c*box2d.b2Cross_V2_V2(V,J);this.m_positions[p].a=m,this.m_positions[s].a=h}return M>=-1.5*box2d.b2_linearSlop},goog.exportProperty(box2d.b2ContactSolver.prototype,"SolveTOIPositionConstraints",box2d.b2ContactSolver.prototype.SolveTOIPositionConstraints),box2d.b2ContactSolver.prototype.SolveTOIPositionConstraints.s_xfA=new box2d.b2Transform,box2d.b2ContactSolver.prototype.SolveTOIPositionConstraints.s_xfB=new box2d.b2Transform,box2d.b2ContactSolver.prototype.SolveTOIPositionConstraints.s_psm=new box2d.b2PositionSolverManifold,box2d.b2ContactSolver.prototype.SolveTOIPositionConstraints.s_rA=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolveTOIPositionConstraints.s_rB=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolveTOIPositionConstraints.s_P=new box2d.b2Vec2,box2d.b2Island=function(){this.m_bodies=Array(1024),this.m_contacts=Array(1024),this.m_joints=Array(1024),this.m_positions=box2d.b2Position.MakeArray(1024),this.m_velocities=box2d.b2Velocity.MakeArray(1024)},goog.exportSymbol("box2d.b2Island",box2d.b2Island),box2d.b2Island.prototype.m_allocator=null,goog.exportProperty(box2d.b2Island.prototype,"m_allocator",box2d.b2Island.prototype.m_allocator),box2d.b2Island.prototype.m_listener=null,goog.exportProperty(box2d.b2Island.prototype,"m_listener",box2d.b2Island.prototype.m_listener),box2d.b2Island.prototype.m_bodies=null,goog.exportProperty(box2d.b2Island.prototype,"m_bodies",box2d.b2Island.prototype.m_bodies),box2d.b2Island.prototype.m_contacts=null,goog.exportProperty(box2d.b2Island.prototype,"m_contacts",box2d.b2Island.prototype.m_contacts),box2d.b2Island.prototype.m_joints=null,goog.exportProperty(box2d.b2Island.prototype,"m_joints",box2d.b2Island.prototype.m_joints),box2d.b2Island.prototype.m_positions=null,goog.exportProperty(box2d.b2Island.prototype,"m_positions",box2d.b2Island.prototype.m_positions),box2d.b2Island.prototype.m_velocities=null,goog.exportProperty(box2d.b2Island.prototype,"m_velocities",box2d.b2Island.prototype.m_velocities),box2d.b2Island.prototype.m_bodyCount=0,goog.exportProperty(box2d.b2Island.prototype,"m_bodyCount",box2d.b2Island.prototype.m_bodyCount),box2d.b2Island.prototype.m_jointCount=0,goog.exportProperty(box2d.b2Island.prototype,"m_jointCount",box2d.b2Island.prototype.m_jointCount),box2d.b2Island.prototype.m_contactCount=0,goog.exportProperty(box2d.b2Island.prototype,"m_contactCount",box2d.b2Island.prototype.m_contactCount),box2d.b2Island.prototype.m_bodyCapacity=0,goog.exportProperty(box2d.b2Island.prototype,"m_bodyCapacity",box2d.b2Island.prototype.m_bodyCapacity),box2d.b2Island.prototype.m_contactCapacity=0,goog.exportProperty(box2d.b2Island.prototype,"m_contactCapacity",box2d.b2Island.prototype.m_contactCapacity),box2d.b2Island.prototype.m_jointCapacity=0,goog.exportProperty(box2d.b2Island.prototype,"m_jointCapacity",box2d.b2Island.prototype.m_jointCapacity),box2d.b2Island.prototype.Initialize=function(o,t,e,r,i){for(this.m_bodyCapacity=o,this.m_contactCapacity=t,this.m_jointCapacity=e,this.m_jointCount=this.m_contactCount=this.m_bodyCount=0,this.m_allocator=r,this.m_listener=i;this.m_bodies.length<o;)this.m_bodies[this.m_bodies.length]=null;for(;this.m_contacts.length<t;)this.m_contacts[this.m_contacts.length]=null;for(;this.m_joints.length<e;)this.m_joints[this.m_joints.length]=null;if(this.m_positions.length<o)for(t=box2d.b2Max(2*this.m_positions.length,o),box2d.DEBUG&&window.console.log("box2d.b2Island.m_positions: "+t);this.m_positions.length<t;)this.m_positions[this.m_positions.length]=new box2d.b2Position;if(this.m_velocities.length<o)for(t=box2d.b2Max(2*this.m_velocities.length,o),box2d.DEBUG&&window.console.log("box2d.b2Island.m_velocities: "+t);this.m_velocities.length<t;)this.m_velocities[this.m_velocities.length]=new box2d.b2Velocity},goog.exportProperty(box2d.b2Island.prototype,"Initialize",box2d.b2Island.prototype.Initialize),box2d.b2Island.prototype.Clear=function(){this.m_jointCount=this.m_contactCount=this.m_bodyCount=0},goog.exportProperty(box2d.b2Island.prototype,"Clear",box2d.b2Island.prototype.Clear),box2d.b2Island.prototype.AddBody=function(o){box2d.ENABLE_ASSERTS&&box2d.b2Assert(this.m_bodyCount<this.m_bodyCapacity),o.m_islandIndex=this.m_bodyCount,this.m_bodies[this.m_bodyCount++]=o},goog.exportProperty(box2d.b2Island.prototype,"AddBody",box2d.b2Island.prototype.AddBody),box2d.b2Island.prototype.AddContact=function(o){box2d.ENABLE_ASSERTS&&box2d.b2Assert(this.m_contactCount<this.m_contactCapacity),this.m_contacts[this.m_contactCount++]=o},goog.exportProperty(box2d.b2Island.prototype,"AddContact",box2d.b2Island.prototype.AddContact),box2d.b2Island.prototype.AddJoint=function(o){box2d.ENABLE_ASSERTS&&box2d.b2Assert(this.m_jointCount<this.m_jointCapacity),this.m_joints[this.m_jointCount++]=o},goog.exportProperty(box2d.b2Island.prototype,"AddJoint",box2d.b2Island.prototype.AddJoint),box2d.b2Island.prototype.Solve=function(o,t,e,r){for(var i=box2d.b2Island.s_timer.Reset(),b=t.dt,n=0;n<this.m_bodyCount;++n){var p=this.m_bodies[n],s=this.m_positions[n].c.Copy(p.m_sweep.c),a=p.m_sweep.a,d=this.m_velocities[n].v.Copy(p.m_linearVelocity),l=p.m_angularVelocity;p.m_sweep.c0.Copy(p.m_sweep.c),p.m_sweep.a0=p.m_sweep.a,p.m_type===box2d.b2BodyType.b2_dynamicBody&&(d.x+=b*(p.m_gravityScale*e.x+p.m_invMass*p.m_force.x),d.y+=b*(p.m_gravityScale*e.y+p.m_invMass*p.m_force.y),l+=b*p.m_invI*p.m_torque,d.SelfMul(1/(1+b*p.m_linearDamping)),l*=1/(1+b*p.m_angularDamping)),this.m_positions[n].a=a,this.m_velocities[n].w=l}for(i.Reset(),(p=box2d.b2Island.s_solverData).step.Copy(t),p.positions=this.m_positions,p.velocities=this.m_velocities,(n=box2d.b2Island.s_contactSolverDef).step.Copy(t),n.contacts=this.m_contacts,n.count=this.m_contactCount,n.positions=this.m_positions,n.velocities=this.m_velocities,n.allocator=this.m_allocator,(e=box2d.b2Island.s_contactSolver.Initialize(n)).InitializeVelocityConstraints(),t.warmStarting&&e.WarmStart(),n=0;n<this.m_jointCount;++n)this.m_joints[n].InitVelocityConstraints(p);for(o.solveInit=i.GetMilliseconds(),i.Reset(),n=0;n<t.velocityIterations;++n){for(a=0;a<this.m_jointCount;++a)this.m_joints[a].SolveVelocityConstraints(p);e.SolveVelocityConstraints()}for(e.StoreImpulses(),o.solveVelocity=i.GetMilliseconds(),n=0;n<this.m_bodyCount;++n){s=this.m_positions[n].c,a=this.m_positions[n].a,d=this.m_velocities[n].v,l=this.m_velocities[n].w;var x=box2d.b2Mul_S_V2(b,d,box2d.b2Island.s_translation);box2d.b2Dot_V2_V2(x,x)>box2d.b2_maxTranslationSquared&&(x=box2d.b2_maxTranslation/x.Length(),d.SelfMul(x)),(x=b*l)*x>box2d.b2_maxRotationSquared&&(l*=x=box2d.b2_maxRotation/box2d.b2Abs(x)),s.x+=b*d.x,s.y+=b*d.y,a+=b*l,this.m_positions[n].a=a,this.m_velocities[n].w=l}for(i.Reset(),s=!1,n=0;n<t.positionIterations;++n){for(d=e.SolvePositionConstraints(),l=!0,a=0;a<this.m_jointCount;++a)x=this.m_joints[a].SolvePositionConstraints(p),l=l&&x;if(d&&l){s=!0;break}}for(n=0;n<this.m_bodyCount;++n)(t=this.m_bodies[n]).m_sweep.c.Copy(this.m_positions[n].c),t.m_sweep.a=this.m_positions[n].a,t.m_linearVelocity.Copy(this.m_velocities[n].v),t.m_angularVelocity=this.m_velocities[n].w,t.SynchronizeTransform();if(o.solvePosition=i.GetMilliseconds(),this.Report(e.m_velocityConstraints),r){for(o=box2d.b2_maxFloat,r=box2d.b2_linearSleepTolerance*box2d.b2_linearSleepTolerance,i=box2d.b2_angularSleepTolerance*box2d.b2_angularSleepTolerance,n=0;n<this.m_bodyCount;++n)(p=this.m_bodies[n]).GetType()!==box2d.b2BodyType.b2_staticBody&&(!p.m_flag_autoSleepFlag||p.m_angularVelocity*p.m_angularVelocity>i||box2d.b2Dot_V2_V2(p.m_linearVelocity,p.m_linearVelocity)>r?o=p.m_sleepTime=0:(p.m_sleepTime+=b,o=box2d.b2Min(o,p.m_sleepTime)));if(o>=box2d.b2_timeToSleep&&s)for(n=0;n<this.m_bodyCount;++n)(p=this.m_bodies[n]).SetAwake(!1)}},goog.exportProperty(box2d.b2Island.prototype,"Solve",box2d.b2Island.prototype.Solve),box2d.b2Island.prototype.SolveTOI=function(o,t,e){box2d.ENABLE_ASSERTS&&box2d.b2Assert(t<this.m_bodyCount),box2d.ENABLE_ASSERTS&&box2d.b2Assert(e<this.m_bodyCount);for(var r=0;r<this.m_bodyCount;++r){var i=this.m_bodies[r];this.m_positions[r].c.Copy(i.m_sweep.c),this.m_positions[r].a=i.m_sweep.a,this.m_velocities[r].v.Copy(i.m_linearVelocity),this.m_velocities[r].w=i.m_angularVelocity}for((r=box2d.b2Island.s_contactSolverDef).contacts=this.m_contacts,r.count=this.m_contactCount,r.allocator=this.m_allocator,r.step.Copy(o),r.positions=this.m_positions,r.velocities=this.m_velocities,i=box2d.b2Island.s_contactSolver.Initialize(r),r=0;r<o.positionIterations&&!i.SolveTOIPositionConstraints(t,e);++r);for(this.m_bodies[t].m_sweep.c0.Copy(this.m_positions[t].c),this.m_bodies[t].m_sweep.a0=this.m_positions[t].a,this.m_bodies[e].m_sweep.c0.Copy(this.m_positions[e].c),this.m_bodies[e].m_sweep.a0=this.m_positions[e].a,i.InitializeVelocityConstraints(),r=0;r<o.velocityIterations;++r)i.SolveVelocityConstraints();for(o=o.dt,r=0;r<this.m_bodyCount;++r){t=this.m_positions[r].c,e=this.m_positions[r].a;var b=this.m_velocities[r].v,n=this.m_velocities[r].w,p=box2d.b2Mul_S_V2(o,b,box2d.b2Island.s_translation);box2d.b2Dot_V2_V2(p,p)>box2d.b2_maxTranslationSquared&&(p=box2d.b2_maxTranslation/p.Length(),b.SelfMul(p)),(p=o*n)*p>box2d.b2_maxRotationSquared&&(n*=p=box2d.b2_maxRotation/box2d.b2Abs(p)),t.SelfMulAdd(o,b),e+=o*n,this.m_positions[r].a=e,this.m_velocities[r].w=n,(p=this.m_bodies[r]).m_sweep.c.Copy(t),p.m_sweep.a=e,p.m_linearVelocity.Copy(b),p.m_angularVelocity=n,p.SynchronizeTransform()}this.Report(i.m_velocityConstraints)},goog.exportProperty(box2d.b2Island.prototype,"SolveTOI",box2d.b2Island.prototype.SolveTOI),box2d.b2Island.prototype.Report=function(o){if(null!==this.m_listener)for(var t=0;t<this.m_contactCount;++t){var e=this.m_contacts[t];if(e){var r=o[t],i=box2d.b2Island.s_impulse;i.count=r.pointCount;for(var b=0;b<r.pointCount;++b)i.normalImpulses[b]=r.points[b].normalImpulse,i.tangentImpulses[b]=r.points[b].tangentImpulse;this.m_listener.PostSolve(e,i)}}},goog.exportProperty(box2d.b2Island.prototype,"Report",box2d.b2Island.prototype.Report),box2d.b2Island.s_timer=new box2d.b2Timer,box2d.b2Island.s_solverData=new box2d.b2SolverData,box2d.b2Island.s_contactSolverDef=new box2d.b2ContactSolverDef,box2d.b2Island.s_contactSolver=new box2d.b2ContactSolver,box2d.b2Island.s_translation=new box2d.b2Vec2,box2d.b2Island.s_impulse=new box2d.b2ContactImpulse,box2d.b2JointType={e_unknownJoint:0,e_revoluteJoint:1,e_prismaticJoint:2,e_distanceJoint:3,e_pulleyJoint:4,e_mouseJoint:5,e_gearJoint:6,e_wheelJoint:7,e_weldJoint:8,e_frictionJoint:9,e_ropeJoint:10,e_motorJoint:11,e_areaJoint:12},goog.exportSymbol("box2d.b2JointType",box2d.b2JointType),goog.exportProperty(box2d.b2JointType,"e_unknownJoint",box2d.b2JointType.e_unknownJoint),goog.exportProperty(box2d.b2JointType,"e_revoluteJoint",box2d.b2JointType.e_revoluteJoint),goog.exportProperty(box2d.b2JointType,"e_prismaticJoint",box2d.b2JointType.e_prismaticJoint),goog.exportProperty(box2d.b2JointType,"e_distanceJoint",box2d.b2JointType.e_distanceJoint),goog.exportProperty(box2d.b2JointType,"e_pulleyJoint",box2d.b2JointType.e_pulleyJoint),goog.exportProperty(box2d.b2JointType,"e_mouseJoint",box2d.b2JointType.e_mouseJoint),goog.exportProperty(box2d.b2JointType,"e_gearJoint",box2d.b2JointType.e_gearJoint),goog.exportProperty(box2d.b2JointType,"e_wheelJoint",box2d.b2JointType.e_wheelJoint),goog.exportProperty(box2d.b2JointType,"e_weldJoint",box2d.b2JointType.e_weldJoint),goog.exportProperty(box2d.b2JointType,"e_frictionJoint",box2d.b2JointType.e_frictionJoint),goog.exportProperty(box2d.b2JointType,"e_ropeJoint",box2d.b2JointType.e_ropeJoint),goog.exportProperty(box2d.b2JointType,"e_motorJoint",box2d.b2JointType.e_motorJoint),goog.exportProperty(box2d.b2JointType,"e_areaJoint",box2d.b2JointType.e_areaJoint),box2d.b2LimitState={e_inactiveLimit:0,e_atLowerLimit:1,e_atUpperLimit:2,e_equalLimits:3},goog.exportSymbol("box2d.b2LimitState",box2d.b2LimitState),goog.exportProperty(box2d.b2LimitState,"e_inactiveLimit",box2d.b2LimitState.e_inactiveLimit),goog.exportProperty(box2d.b2LimitState,"e_atLowerLimit",box2d.b2LimitState.e_atLowerLimit),goog.exportProperty(box2d.b2LimitState,"e_atUpperLimit",box2d.b2LimitState.e_atUpperLimit),goog.exportProperty(box2d.b2LimitState,"e_equalLimits",box2d.b2LimitState.e_equalLimits),box2d.b2Jacobian=function(){this.linear=new box2d.b2Vec2},goog.exportSymbol("box2d.b2Jacobian",box2d.b2Jacobian),box2d.b2Jacobian.prototype.linear=null,goog.exportProperty(box2d.b2Jacobian.prototype,"linear",box2d.b2Jacobian.prototype.linear),box2d.b2Jacobian.prototype.angularA=0,goog.exportProperty(box2d.b2Jacobian.prototype,"angularA",box2d.b2Jacobian.prototype.angularA),box2d.b2Jacobian.prototype.angularB=0,goog.exportProperty(box2d.b2Jacobian.prototype,"angularB",box2d.b2Jacobian.prototype.angularB),box2d.b2Jacobian.prototype.SetZero=function(){return this.linear.SetZero(),this.angularB=this.angularA=0,this},goog.exportProperty(box2d.b2Jacobian.prototype,"SetZero",box2d.b2Jacobian.prototype.SetZero),box2d.b2Jacobian.prototype.Set=function(o,t,e){return this.linear.Copy(o),this.angularA=t,this.angularB=e,this},goog.exportProperty(box2d.b2Jacobian.prototype,"Set",box2d.b2Jacobian.prototype.Set),box2d.b2JointEdge=function(){},goog.exportSymbol("box2d.b2JointEdge",box2d.b2JointEdge),box2d.b2JointEdge.prototype.other=null,goog.exportProperty(box2d.b2JointEdge.prototype,"other",box2d.b2JointEdge.prototype.other),box2d.b2JointEdge.prototype.joint=null,goog.exportProperty(box2d.b2JointEdge.prototype,"joint",box2d.b2JointEdge.prototype.joint),box2d.b2JointEdge.prototype.prev=null,goog.exportProperty(box2d.b2JointEdge.prototype,"prev",box2d.b2JointEdge.prototype.prev),box2d.b2JointEdge.prototype.next=null,goog.exportProperty(box2d.b2JointEdge.prototype,"next",box2d.b2JointEdge.prototype.next),box2d.b2JointDef=function(o){this.type=o},goog.exportSymbol("box2d.b2JointDef",box2d.b2JointDef),box2d.b2JointDef.prototype.type=box2d.b2JointType.e_unknownJoint,goog.exportProperty(box2d.b2JointDef.prototype,"type",box2d.b2JointDef.prototype.type),box2d.b2JointDef.prototype.userData=null,goog.exportProperty(box2d.b2JointDef.prototype,"userData",box2d.b2JointDef.prototype.userData),box2d.b2JointDef.prototype.bodyA=null,goog.exportProperty(box2d.b2JointDef.prototype,"bodyA",box2d.b2JointDef.prototype.bodyA),box2d.b2JointDef.prototype.bodyB=null,goog.exportProperty(box2d.b2JointDef.prototype,"bodyB",box2d.b2JointDef.prototype.bodyB),box2d.b2JointDef.prototype.collideConnected=!1,goog.exportProperty(box2d.b2JointDef.prototype,"collideConnected",box2d.b2JointDef.prototype.collideConnected),box2d.b2Joint=function(o){box2d.ENABLE_ASSERTS&&box2d.b2Assert(o.bodyA!==o.bodyB),this.m_type=o.type,this.m_edgeA=new box2d.b2JointEdge,this.m_edgeB=new box2d.b2JointEdge,this.m_bodyA=o.bodyA,this.m_bodyB=o.bodyB,this.m_collideConnected=o.collideConnected,this.m_userData=o.userData},goog.exportSymbol("box2d.b2Joint",box2d.b2Joint),box2d.b2Joint.prototype.m_type=box2d.b2JointType.e_unknownJoint,goog.exportProperty(box2d.b2Joint.prototype,"m_type",box2d.b2Joint.prototype.m_type),box2d.b2Joint.prototype.m_prev=null,goog.exportProperty(box2d.b2Joint.prototype,"m_prev",box2d.b2Joint.prototype.m_prev),box2d.b2Joint.prototype.m_next=null,goog.exportProperty(box2d.b2Joint.prototype,"m_next",box2d.b2Joint.prototype.m_next),box2d.b2Joint.prototype.m_edgeA=null,goog.exportProperty(box2d.b2Joint.prototype,"m_edgeA",box2d.b2Joint.prototype.m_edgeA),box2d.b2Joint.prototype.m_edgeB=null,goog.exportProperty(box2d.b2Joint.prototype,"m_edgeB",box2d.b2Joint.prototype.m_edgeB),box2d.b2Joint.prototype.m_bodyA=null,goog.exportProperty(box2d.b2Joint.prototype,"m_bodyA",box2d.b2Joint.prototype.m_bodyA),box2d.b2Joint.prototype.m_bodyB=null,goog.exportProperty(box2d.b2Joint.prototype,"m_bodyB",box2d.b2Joint.prototype.m_bodyB),box2d.b2Joint.prototype.m_index=0,goog.exportProperty(box2d.b2Joint.prototype,"m_index",box2d.b2Joint.prototype.m_index),box2d.b2Joint.prototype.m_islandFlag=!1,goog.exportProperty(box2d.b2Joint.prototype,"m_islandFlag",box2d.b2Joint.prototype.m_islandFlag),box2d.b2Joint.prototype.m_collideConnected=!1,goog.exportProperty(box2d.b2Joint.prototype,"m_collideConnected",box2d.b2Joint.prototype.m_collideConnected),box2d.b2Joint.prototype.m_userData=null,goog.exportProperty(box2d.b2Joint.prototype,"m_userData",box2d.b2Joint.prototype.m_userData),box2d.b2Joint.prototype.GetAnchorA=function(o){return o.SetZero()},goog.exportProperty(box2d.b2Joint.prototype,"GetAnchorA",box2d.b2Joint.prototype.GetAnchorA),box2d.b2Joint.prototype.GetAnchorB=function(o){return o.SetZero()},goog.exportProperty(box2d.b2Joint.prototype,"GetAnchorB",box2d.b2Joint.prototype.GetAnchorB),box2d.b2Joint.prototype.GetReactionForce=function(o,t){return t.SetZero()},goog.exportProperty(box2d.b2Joint.prototype,"GetReactionForce",box2d.b2Joint.prototype.GetReactionForce),box2d.b2Joint.prototype.GetReactionTorque=function(o){return 0},goog.exportProperty(box2d.b2Joint.prototype,"GetReactionTorque",box2d.b2Joint.prototype.GetReactionTorque),box2d.b2Joint.prototype.InitVelocityConstraints=function(o){},goog.exportProperty(box2d.b2Joint.prototype,"InitVelocityConstraints",box2d.b2Joint.prototype.InitVelocityConstraints),box2d.b2Joint.prototype.SolveVelocityConstraints=function(o){},goog.exportProperty(box2d.b2Joint.prototype,"SolveVelocityConstraints",box2d.b2Joint.prototype.SolveVelocityConstraints),box2d.b2Joint.prototype.SolvePositionConstraints=function(o){return!1},goog.exportProperty(box2d.b2Joint.prototype,"SolvePositionConstraints",box2d.b2Joint.prototype.SolvePositionConstraints),box2d.b2Joint.prototype.GetType=function(){return this.m_type},goog.exportProperty(box2d.b2Joint.prototype,"GetType",box2d.b2Joint.prototype.GetType),box2d.b2Joint.prototype.GetBodyA=function(){return this.m_bodyA},goog.exportProperty(box2d.b2Joint.prototype,"GetBodyA",box2d.b2Joint.prototype.GetBodyA),box2d.b2Joint.prototype.GetBodyB=function(){return this.m_bodyB},goog.exportProperty(box2d.b2Joint.prototype,"GetBodyB",box2d.b2Joint.prototype.GetBodyB),box2d.b2Joint.prototype.GetNext=function(){return this.m_next},goog.exportProperty(box2d.b2Joint.prototype,"GetNext",box2d.b2Joint.prototype.GetNext),box2d.b2Joint.prototype.GetUserData=function(){return this.m_userData},goog.exportProperty(box2d.b2Joint.prototype,"GetUserData",box2d.b2Joint.prototype.GetUserData),box2d.b2Joint.prototype.SetUserData=function(o){this.m_userData=o},goog.exportProperty(box2d.b2Joint.prototype,"SetUserData",box2d.b2Joint.prototype.SetUserData),box2d.b2Joint.prototype.GetCollideConnected=function(){return this.m_collideConnected},goog.exportProperty(box2d.b2Joint.prototype,"GetCollideConnected",box2d.b2Joint.prototype.GetCollideConnected),box2d.b2Joint.prototype.Dump=function(){box2d.DEBUG&&box2d.b2Log("// Dump is not supported for this joint type.\n")},goog.exportProperty(box2d.b2Joint.prototype,"Dump",box2d.b2Joint.prototype.Dump),box2d.b2Joint.prototype.IsActive=function(){return this.m_bodyA.IsActive()&&this.m_bodyB.IsActive()},goog.exportProperty(box2d.b2Joint.prototype,"IsActive",box2d.b2Joint.prototype.IsActive),box2d.b2Joint.prototype.ShiftOrigin=function(o){},goog.exportProperty(box2d.b2Joint.prototype,"ShiftOrigin",box2d.b2Joint.prototype.ShiftOrigin),box2d.b2AreaJointDef=function(){box2d.b2JointDef.call(this,box2d.b2JointType.e_areaJoint),this.bodies=[]},goog.inherits(box2d.b2AreaJointDef,box2d.b2JointDef),goog.exportSymbol("box2d.b2AreaJointDef",box2d.b2AreaJointDef),box2d.b2AreaJointDef.prototype.world=null,goog.exportProperty(box2d.b2AreaJointDef.prototype,"world",box2d.b2AreaJointDef.prototype.world),box2d.b2AreaJointDef.prototype.bodies=null,goog.exportProperty(box2d.b2AreaJointDef.prototype,"bodies",box2d.b2AreaJointDef.prototype.bodies),box2d.b2AreaJointDef.prototype.frequencyHz=0,goog.exportProperty(box2d.b2AreaJointDef.prototype,"frequencyHz",box2d.b2AreaJointDef.prototype.frequencyHz),box2d.b2AreaJointDef.prototype.dampingRatio=0,goog.exportProperty(box2d.b2AreaJointDef.prototype,"dampingRatio",box2d.b2AreaJointDef.prototype.dampingRatio),box2d.b2AreaJointDef.prototype.AddBody=function(o){this.bodies.push(o),1===this.bodies.length?this.bodyA=o:2===this.bodies.length&&(this.bodyB=o)},goog.exportProperty(box2d.b2AreaJointDef.prototype,"AddBody",box2d.b2AreaJointDef.prototype.AddBody),box2d.b2AreaJoint=function(o){box2d.b2Joint.call(this,o),box2d.ENABLE_ASSERTS&&box2d.b2Assert(3<=o.bodies.length,"You cannot create an area joint with less than three bodies."),this.m_bodies=o.bodies,this.m_frequencyHz=o.frequencyHz,this.m_dampingRatio=o.dampingRatio,this.m_targetLengths=box2d.b2MakeNumberArray(o.bodies.length),this.m_normals=box2d.b2Vec2.MakeArray(o.bodies.length),this.m_joints=Array(o.bodies.length),this.m_deltas=box2d.b2Vec2.MakeArray(o.bodies.length),this.m_delta=new box2d.b2Vec2;var t=new box2d.b2DistanceJointDef;t.frequencyHz=o.frequencyHz,t.dampingRatio=o.dampingRatio;for(var e=this.m_targetArea=0,r=this.m_bodies.length;e<r;++e){var i=this.m_bodies[e],b=this.m_bodies[(e+1)%r],n=i.GetWorldCenter(),p=b.GetWorldCenter();this.m_targetLengths[e]=box2d.b2Distance(n,p),this.m_targetArea+=box2d.b2Cross_V2_V2(n,p),t.Initialize(i,b,n,p),this.m_joints[e]=o.world.CreateJoint(t)}this.m_targetArea*=.5},goog.inherits(box2d.b2AreaJoint,box2d.b2Joint),goog.exportSymbol("box2d.b2AreaJoint",box2d.b2AreaJoint),box2d.b2AreaJoint.prototype.m_bodies=null,goog.exportProperty(box2d.b2AreaJoint.prototype,"m_bodies",box2d.b2AreaJoint.prototype.m_bodies),box2d.b2AreaJoint.prototype.m_frequencyHz=0,goog.exportProperty(box2d.b2AreaJoint.prototype,"m_frequencyHz",box2d.b2AreaJoint.prototype.m_frequencyHz),box2d.b2AreaJoint.prototype.m_dampingRatio=0,goog.exportProperty(box2d.b2AreaJoint.prototype,"m_dampingRatio",box2d.b2AreaJoint.prototype.m_dampingRatio),box2d.b2AreaJoint.prototype.m_impulse=0,goog.exportProperty(box2d.b2AreaJoint.prototype,"m_impulse",box2d.b2AreaJoint.prototype.m_impulse),box2d.b2AreaJoint.prototype.m_targetLengths=null,box2d.b2AreaJoint.prototype.m_targetArea=0,box2d.b2AreaJoint.prototype.m_normals=null,box2d.b2AreaJoint.prototype.m_joints=null,box2d.b2AreaJoint.prototype.m_deltas=null,box2d.b2AreaJoint.prototype.m_delta=null,box2d.b2AreaJoint.prototype.GetAnchorA=function(o){return o.SetZero()},goog.exportProperty(box2d.b2AreaJoint.prototype,"GetAnchorA",box2d.b2AreaJoint.prototype.GetAnchorA),box2d.b2AreaJoint.prototype.GetAnchorB=function(o){return o.SetZero()},goog.exportProperty(box2d.b2AreaJoint.prototype,"GetAnchorB",box2d.b2AreaJoint.prototype.GetAnchorB),box2d.b2AreaJoint.prototype.GetReactionForce=function(o,t){return t.SetZero()},goog.exportProperty(box2d.b2AreaJoint.prototype,"GetReactionForce",box2d.b2AreaJoint.prototype.GetReactionForce),box2d.b2AreaJoint.prototype.GetReactionTorque=function(o){return 0},goog.exportProperty(box2d.b2AreaJoint.prototype,"GetReactionTorque",box2d.b2AreaJoint.prototype.GetReactionTorque),box2d.b2AreaJoint.prototype.SetFrequency=function(o){this.m_frequencyHz=o;for(var t=0,e=this.m_joints.length;t<e;++t)this.m_joints[t].SetFrequency(o)},goog.exportProperty(box2d.b2AreaJoint.prototype,"SetFrequency",box2d.b2AreaJoint.prototype.SetFrequency),box2d.b2AreaJoint.prototype.GetFrequency=function(){return this.m_frequencyHz},goog.exportProperty(box2d.b2AreaJoint.prototype,"GetFrequency",box2d.b2AreaJoint.prototype.GetFrequency),box2d.b2AreaJoint.prototype.SetDampingRatio=function(o){this.m_dampingRatio=o;for(var t=0,e=this.m_joints.length;t<e;++t)this.m_joints[t].SetDampingRatio(o)},goog.exportProperty(box2d.b2AreaJoint.prototype,"SetDampingRatio",box2d.b2AreaJoint.prototype.SetDampingRatio),box2d.b2AreaJoint.prototype.GetDampingRatio=function(){return this.m_dampingRatio},goog.exportProperty(box2d.b2AreaJoint.prototype,"GetDampingRatio",box2d.b2AreaJoint.prototype.GetDampingRatio),box2d.b2AreaJoint.prototype.Dump=function(){box2d.DEBUG&&box2d.b2Log("Area joint dumping is not supported.\n")},goog.exportProperty(box2d.b2AreaJoint.prototype,"Dump",box2d.b2AreaJoint.prototype.Dump),box2d.b2AreaJoint.prototype.InitVelocityConstraints=function(o){for(var t=0,e=this.m_bodies.length;t<e;++t){var r=this.m_deltas[t];box2d.b2Sub_V2_V2(o.positions[this.m_bodies[(t+1)%e].m_islandIndex].c,o.positions[this.m_bodies[(t+e-1)%e].m_islandIndex].c,r)}if(o.step.warmStarting)for(this.m_impulse*=o.step.dtRatio,t=0,e=this.m_bodies.length;t<e;++t){var i=this.m_bodies[t],b=o.velocities[i.m_islandIndex].v;r=this.m_deltas[t];b.x+=i.m_invMass*r.y*.5*this.m_impulse,b.y+=i.m_invMass*-r.x*.5*this.m_impulse}else this.m_impulse=0},goog.exportProperty(box2d.b2AreaJoint.prototype,"InitVelocityConstraints",box2d.b2AreaJoint.prototype.InitVelocityConstraints),box2d.b2AreaJoint.prototype.SolveVelocityConstraints=function(o){for(var t=0,e=0,r=0,i=this.m_bodies.length;r<i;++r){var b=this.m_bodies[r],n=o.velocities[b.m_islandIndex].v,p=this.m_deltas[r];t=t+p.LengthSquared()/b.GetMass(),e=e+box2d.b2Cross_V2_V2(n,p)}for(t=-2*e/t,this.m_impulse+=t,r=0,i=this.m_bodies.length;r<i;++r)b=this.m_bodies[r],n=o.velocities[b.m_islandIndex].v,p=this.m_deltas[r],n.x+=b.m_invMass*p.y*.5*t,n.y+=b.m_invMass*-p.x*.5*t},goog.exportProperty(box2d.b2AreaJoint.prototype,"SolveVelocityConstraints",box2d.b2AreaJoint.prototype.SolveVelocityConstraints),box2d.b2AreaJoint.prototype.SolvePositionConstraints=function(o){for(var t=0,e=0,r=0,i=this.m_bodies.length;r<i;++r){var b=this.m_bodies[r],n=(b=o.positions[b.m_islandIndex].c,o.positions[this.m_bodies[(r+1)%i].m_islandIndex].c),p=box2d.b2Sub_V2_V2(n,b,this.m_delta),s=p.Length();s<box2d.b2_epsilon&&(s=1),this.m_normals[r].x=p.y/s,this.m_normals[r].y=-p.x/s,t+=s,e+=box2d.b2Cross_V2_V2(b,n)}for(t=.5*(this.m_targetArea-.5*e)/t,e=!0,r=0,i=this.m_bodies.length;r<i;++r)b=this.m_bodies[r],b=o.positions[b.m_islandIndex].c,(p=box2d.b2Add_V2_V2(this.m_normals[r],this.m_normals[(r+1)%i],this.m_delta)).SelfMul(t),(n=p.LengthSquared())>box2d.b2Sq(box2d.b2_maxLinearCorrection)&&p.SelfMul(box2d.b2_maxLinearCorrection/box2d.b2Sqrt(n)),n>box2d.b2Sq(box2d.b2_linearSlop)&&(e=!1),b.x+=p.x,b.y+=p.y;return e},goog.exportProperty(box2d.b2AreaJoint.prototype,"SolvePositionConstraints",box2d.b2AreaJoint.prototype.SolvePositionConstraints),box2d.b2DistanceJointDef=function(){box2d.b2JointDef.call(this,box2d.b2JointType.e_distanceJoint),this.localAnchorA=new box2d.b2Vec2,this.localAnchorB=new box2d.b2Vec2},goog.inherits(box2d.b2DistanceJointDef,box2d.b2JointDef),goog.exportSymbol("box2d.b2DistanceJointDef",box2d.b2DistanceJointDef),box2d.b2DistanceJointDef.prototype.localAnchorA=null,goog.exportProperty(box2d.b2DistanceJointDef.prototype,"localAnchorA",box2d.b2DistanceJointDef.prototype.localAnchorA),box2d.b2DistanceJointDef.prototype.localAnchorB=null,goog.exportProperty(box2d.b2DistanceJointDef.prototype,"localAnchorB",box2d.b2DistanceJointDef.prototype.localAnchorB),box2d.b2DistanceJointDef.prototype.length=1,goog.exportProperty(box2d.b2DistanceJointDef.prototype,"length",box2d.b2DistanceJointDef.prototype.length),box2d.b2DistanceJointDef.prototype.frequencyHz=0,goog.exportProperty(box2d.b2DistanceJointDef.prototype,"frequencyHz",box2d.b2DistanceJointDef.prototype.frequencyHz),box2d.b2DistanceJointDef.prototype.dampingRatio=0,goog.exportProperty(box2d.b2DistanceJointDef.prototype,"dampingRatio",box2d.b2DistanceJointDef.prototype.dampingRatio),box2d.b2DistanceJointDef.prototype.Initialize=function(o,t,e,r){this.bodyA=o,this.bodyB=t,this.bodyA.GetLocalPoint(e,this.localAnchorA),this.bodyB.GetLocalPoint(r,this.localAnchorB),this.length=box2d.b2Distance(e,r),this.dampingRatio=this.frequencyHz=0},goog.exportProperty(box2d.b2DistanceJointDef.prototype,"Initialize",box2d.b2DistanceJointDef.prototype.Initialize),box2d.b2DistanceJoint=function(o){box2d.b2Joint.call(this,o),this.m_u=new box2d.b2Vec2,this.m_rA=new box2d.b2Vec2,this.m_rB=new box2d.b2Vec2,this.m_localCenterA=new box2d.b2Vec2,this.m_localCenterB=new box2d.b2Vec2,this.m_qA=new box2d.b2Rot,this.m_qB=new box2d.b2Rot,this.m_lalcA=new box2d.b2Vec2,this.m_lalcB=new box2d.b2Vec2,this.m_frequencyHz=o.frequencyHz,this.m_dampingRatio=o.dampingRatio,this.m_localAnchorA=o.localAnchorA.Clone(),this.m_localAnchorB=o.localAnchorB.Clone(),this.m_length=o.length},goog.inherits(box2d.b2DistanceJoint,box2d.b2Joint),goog.exportSymbol("box2d.b2DistanceJoint",box2d.b2DistanceJoint),box2d.b2DistanceJoint.prototype.m_frequencyHz=0,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_frequencyHz",box2d.b2DistanceJoint.prototype.m_frequencyHz),box2d.b2DistanceJoint.prototype.m_dampingRatio=0,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_dampingRatio",box2d.b2DistanceJoint.prototype.m_dampingRatio),box2d.b2DistanceJoint.prototype.m_bias=0,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_bias",box2d.b2DistanceJoint.prototype.m_bias),box2d.b2DistanceJoint.prototype.m_localAnchorA=null,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_localAnchorA",box2d.b2DistanceJoint.prototype.m_localAnchorA),box2d.b2DistanceJoint.prototype.m_localAnchorB=null,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_localAnchorB",box2d.b2DistanceJoint.prototype.m_localAnchorB),box2d.b2DistanceJoint.prototype.m_gamma=0,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_gamma",box2d.b2DistanceJoint.prototype.m_gamma),box2d.b2DistanceJoint.prototype.m_impulse=0,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_impulse",box2d.b2DistanceJoint.prototype.m_impulse),box2d.b2DistanceJoint.prototype.m_length=0,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_length",box2d.b2DistanceJoint.prototype.m_length),box2d.b2DistanceJoint.prototype.m_indexA=0,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_indexA",box2d.b2DistanceJoint.prototype.m_indexA),box2d.b2DistanceJoint.prototype.m_indexB=0,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_indexB",box2d.b2DistanceJoint.prototype.m_indexB),box2d.b2DistanceJoint.prototype.m_u=null,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_u",box2d.b2DistanceJoint.prototype.m_u),box2d.b2DistanceJoint.prototype.m_rA=null,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_rA",box2d.b2DistanceJoint.prototype.m_rA),box2d.b2DistanceJoint.prototype.m_rB=null,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_rB",box2d.b2DistanceJoint.prototype.m_rB),box2d.b2DistanceJoint.prototype.m_localCenterA=null,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_localCenterA",box2d.b2DistanceJoint.prototype.m_localCenterA),box2d.b2DistanceJoint.prototype.m_localCenterB=null,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_localCenterB",box2d.b2DistanceJoint.prototype.m_localCenterB),box2d.b2DistanceJoint.prototype.m_invMassA=0,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_invMassA",box2d.b2DistanceJoint.prototype.m_invMassA),box2d.b2DistanceJoint.prototype.m_invMassB=0,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_invMassB",box2d.b2DistanceJoint.prototype.m_invMassB),box2d.b2DistanceJoint.prototype.m_invIA=0,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_invIA",box2d.b2DistanceJoint.prototype.m_invIA),box2d.b2DistanceJoint.prototype.m_invIB=0,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_invIB",box2d.b2DistanceJoint.prototype.m_invIB),box2d.b2DistanceJoint.prototype.m_mass=0,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_mass",box2d.b2DistanceJoint.prototype.m_mass),box2d.b2DistanceJoint.prototype.m_qA=null,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_qA",box2d.b2DistanceJoint.prototype.m_qA),box2d.b2DistanceJoint.prototype.m_qB=null,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_qB",box2d.b2DistanceJoint.prototype.m_qB),box2d.b2DistanceJoint.prototype.m_lalcA=null,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_lalcA",box2d.b2DistanceJoint.prototype.m_lalcA),box2d.b2DistanceJoint.prototype.m_lalcB=null,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_lalcB",box2d.b2DistanceJoint.prototype.m_lalcB),box2d.b2DistanceJoint.prototype.GetAnchorA=function(o){return this.m_bodyA.GetWorldPoint(this.m_localAnchorA,o)},goog.exportProperty(box2d.b2DistanceJoint.prototype,"GetAnchorA",box2d.b2DistanceJoint.prototype.GetAnchorA),box2d.b2DistanceJoint.prototype.GetAnchorB=function(o){return this.m_bodyB.GetWorldPoint(this.m_localAnchorB,o)},goog.exportProperty(box2d.b2DistanceJoint.prototype,"GetAnchorB",box2d.b2DistanceJoint.prototype.GetAnchorB),box2d.b2DistanceJoint.prototype.GetReactionForce=function(o,t){return t.Set(o*this.m_impulse*this.m_u.x,o*this.m_impulse*this.m_u.y)},goog.exportProperty(box2d.b2DistanceJoint.prototype,"GetReactionForce",box2d.b2DistanceJoint.prototype.GetReactionForce),box2d.b2DistanceJoint.prototype.GetReactionTorque=function(o){return 0},goog.exportProperty(box2d.b2DistanceJoint.prototype,"GetReactionTorque",box2d.b2DistanceJoint.prototype.GetReactionTorque),box2d.b2DistanceJoint.prototype.GetLocalAnchorA=function(o){return o.Copy(this.m_localAnchorA)},goog.exportProperty(box2d.b2DistanceJoint.prototype,"GetLocalAnchorA",box2d.b2DistanceJoint.prototype.GetLocalAnchorA),box2d.b2DistanceJoint.prototype.GetLocalAnchorB=function(o){return o.Copy(this.m_localAnchorB)},goog.exportProperty(box2d.b2DistanceJoint.prototype,"GetLocalAnchorB",box2d.b2DistanceJoint.prototype.GetLocalAnchorB),box2d.b2DistanceJoint.prototype.SetLength=function(o){this.m_length=o},goog.exportProperty(box2d.b2DistanceJoint.prototype,"SetLength",box2d.b2DistanceJoint.prototype.SetLength),box2d.b2DistanceJoint.prototype.GetLength=function(){return this.m_length},goog.exportProperty(box2d.b2DistanceJoint.prototype,"GetLength",box2d.b2DistanceJoint.prototype.GetLength),box2d.b2DistanceJoint.prototype.SetFrequency=function(o){this.m_frequencyHz=o},goog.exportProperty(box2d.b2DistanceJoint.prototype,"SetFrequency",box2d.b2DistanceJoint.prototype.SetFrequency),box2d.b2DistanceJoint.prototype.GetFrequency=function(){return this.m_frequencyHz},goog.exportProperty(box2d.b2DistanceJoint.prototype,"GetFrequency",box2d.b2DistanceJoint.prototype.GetFrequency),box2d.b2DistanceJoint.prototype.SetDampingRatio=function(o){this.m_dampingRatio=o},goog.exportProperty(box2d.b2DistanceJoint.prototype,"SetDampingRatio",box2d.b2DistanceJoint.prototype.SetDampingRatio),box2d.b2DistanceJoint.prototype.GetDampingRatio=function(){return this.m_dampingRatio},goog.exportProperty(box2d.b2DistanceJoint.prototype,"GetDampingRatio",box2d.b2DistanceJoint.prototype.GetDampingRatio),box2d.b2DistanceJoint.prototype.Dump=function(){if(box2d.DEBUG){var o=this.m_bodyA.m_islandIndex,t=this.m_bodyB.m_islandIndex;box2d.b2Log("  /*box2d.b2DistanceJointDef*/ var jd = new box2d.b2DistanceJointDef();\n"),box2d.b2Log("  jd.bodyA = bodies[%d];\n",o),box2d.b2Log("  jd.bodyB = bodies[%d];\n",t),box2d.b2Log("  jd.collideConnected = %s;\n",this.m_collideConnected?"true":"false"),box2d.b2Log("  jd.localAnchorA.Set(%.15f, %.15f);\n",this.m_localAnchorA.x,this.m_localAnchorA.y),box2d.b2Log("  jd.localAnchorB.Set(%.15f, %.15f);\n",this.m_localAnchorB.x,this.m_localAnchorB.y),box2d.b2Log("  jd.length = %.15f;\n",this.m_length),box2d.b2Log("  jd.frequencyHz = %.15f;\n",this.m_frequencyHz),box2d.b2Log("  jd.dampingRatio = %.15f;\n",this.m_dampingRatio),box2d.b2Log("  joints[%d] = this.m_world.CreateJoint(jd);\n",this.m_index)}},goog.exportProperty(box2d.b2DistanceJoint.prototype,"Dump",box2d.b2DistanceJoint.prototype.Dump),box2d.b2DistanceJoint.prototype.InitVelocityConstraints=function(o){this.m_indexA=this.m_bodyA.m_islandIndex,this.m_indexB=this.m_bodyB.m_islandIndex,this.m_localCenterA.Copy(this.m_bodyA.m_sweep.localCenter),this.m_localCenterB.Copy(this.m_bodyB.m_sweep.localCenter),this.m_invMassA=this.m_bodyA.m_invMass,this.m_invMassB=this.m_bodyB.m_invMass,this.m_invIA=this.m_bodyA.m_invI,this.m_invIB=this.m_bodyB.m_invI;var t=o.positions[this.m_indexA].c,e=o.velocities[this.m_indexA].v,r=o.velocities[this.m_indexA].w,i=o.positions[this.m_indexB].c,b=o.positions[this.m_indexB].a,n=o.velocities[this.m_indexB].v,p=o.velocities[this.m_indexB].w,s=this.m_qA.SetAngle(o.positions[this.m_indexA].a);b=this.m_qB.SetAngle(b);if(box2d.b2Sub_V2_V2(this.m_localAnchorA,this.m_localCenterA,this.m_lalcA),box2d.b2Mul_R_V2(s,this.m_lalcA,this.m_rA),box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_localCenterB,this.m_lalcB),box2d.b2Mul_R_V2(b,this.m_lalcB,this.m_rB),this.m_u.x=i.x+this.m_rB.x-t.x-this.m_rA.x,this.m_u.y=i.y+this.m_rB.y-t.y-this.m_rA.y,(i=this.m_u.Length())>box2d.b2_linearSlop?this.m_u.SelfMul(1/i):this.m_u.SetZero(),t=box2d.b2Cross_V2_V2(this.m_rA,this.m_u),s=box2d.b2Cross_V2_V2(this.m_rB,this.m_u),t=this.m_invMassA+this.m_invIA*t*t+this.m_invMassB+this.m_invIB*s*s,this.m_mass=0!==t?1/t:0,0<this.m_frequencyHz){i=i-this.m_length,s=2*box2d.b2_pi*this.m_frequencyHz,b=this.m_mass*s*s;var a=o.step.dt;this.m_gamma=a*(2*this.m_mass*this.m_dampingRatio*s+a*b),this.m_gamma=0!==this.m_gamma?1/this.m_gamma:0,this.m_bias=i*a*b*this.m_gamma,t+=this.m_gamma,this.m_mass=0!==t?1/t:0}else this.m_bias=this.m_gamma=0;o.step.warmStarting?(this.m_impulse*=o.step.dtRatio,t=box2d.b2Mul_S_V2(this.m_impulse,this.m_u,box2d.b2DistanceJoint.prototype.InitVelocityConstraints.s_P),e.SelfMulSub(this.m_invMassA,t),r-=this.m_invIA*box2d.b2Cross_V2_V2(this.m_rA,t),n.SelfMulAdd(this.m_invMassB,t),p+=this.m_invIB*box2d.b2Cross_V2_V2(this.m_rB,t)):this.m_impulse=0,o.velocities[this.m_indexA].w=r,o.velocities[this.m_indexB].w=p},goog.exportProperty(box2d.b2DistanceJoint.prototype,"InitVelocityConstraints",box2d.b2DistanceJoint.prototype.InitVelocityConstraints),box2d.b2DistanceJoint.prototype.InitVelocityConstraints.s_P=new box2d.b2Vec2,box2d.b2DistanceJoint.prototype.SolveVelocityConstraints=function(o){var t=o.velocities[this.m_indexA].v,e=o.velocities[this.m_indexA].w,r=o.velocities[this.m_indexB].v,i=o.velocities[this.m_indexB].w,b=box2d.b2AddCross_V2_S_V2(t,e,this.m_rA,box2d.b2DistanceJoint.prototype.SolveVelocityConstraints.s_vpA),n=box2d.b2AddCross_V2_S_V2(r,i,this.m_rB,box2d.b2DistanceJoint.prototype.SolveVelocityConstraints.s_vpB);b=box2d.b2Dot_V2_V2(this.m_u,box2d.b2Sub_V2_V2(n,b,box2d.b2Vec2.s_t0)),b=-this.m_mass*(b+this.m_bias+this.m_gamma*this.m_impulse);this.m_impulse+=b,b=box2d.b2Mul_S_V2(b,this.m_u,box2d.b2DistanceJoint.prototype.SolveVelocityConstraints.s_P),t.SelfMulSub(this.m_invMassA,b),e-=this.m_invIA*box2d.b2Cross_V2_V2(this.m_rA,b),r.SelfMulAdd(this.m_invMassB,b),i+=this.m_invIB*box2d.b2Cross_V2_V2(this.m_rB,b),o.velocities[this.m_indexA].w=e,o.velocities[this.m_indexB].w=i},goog.exportProperty(box2d.b2DistanceJoint.prototype,"SolveVelocityConstraints",box2d.b2DistanceJoint.prototype.SolveVelocityConstraints),box2d.b2DistanceJoint.prototype.SolveVelocityConstraints.s_vpA=new box2d.b2Vec2,box2d.b2DistanceJoint.prototype.SolveVelocityConstraints.s_vpB=new box2d.b2Vec2,box2d.b2DistanceJoint.prototype.SolveVelocityConstraints.s_P=new box2d.b2Vec2,box2d.b2DistanceJoint.prototype.SolvePositionConstraints=function(o){if(0<this.m_frequencyHz)return!0;var t=o.positions[this.m_indexA].c,e=o.positions[this.m_indexA].a,r=o.positions[this.m_indexB].c,i=o.positions[this.m_indexB].a;this.m_qA.SetAngle(e),this.m_qB.SetAngle(i);var b=box2d.b2Mul_R_V2(this.m_qA,this.m_lalcA,this.m_rA),n=box2d.b2Mul_R_V2(this.m_qB,this.m_lalcB,this.m_rB);(s=this.m_u).x=r.x+n.x-t.x-b.x,s.y=r.y+n.y-t.y-b.y;var p=this.m_u.Normalize()-this.m_length,s=(p=box2d.b2Clamp(p,-box2d.b2_maxLinearCorrection,box2d.b2_maxLinearCorrection),box2d.b2Mul_S_V2(-this.m_mass*p,s,box2d.b2DistanceJoint.prototype.SolvePositionConstraints.s_P));return t.SelfMulSub(this.m_invMassA,s),e-=this.m_invIA*box2d.b2Cross_V2_V2(b,s),r.SelfMulAdd(this.m_invMassB,s),i+=this.m_invIB*box2d.b2Cross_V2_V2(n,s),o.positions[this.m_indexA].a=e,o.positions[this.m_indexB].a=i,box2d.b2Abs(p)<box2d.b2_linearSlop},goog.exportProperty(box2d.b2DistanceJoint.prototype,"SolvePositionConstraints",box2d.b2DistanceJoint.prototype.SolvePositionConstraints),box2d.b2DistanceJoint.prototype.SolvePositionConstraints.s_P=new box2d.b2Vec2,box2d.b2FrictionJointDef=function(){box2d.b2JointDef.call(this,box2d.b2JointType.e_frictionJoint),this.localAnchorA=new box2d.b2Vec2,this.localAnchorB=new box2d.b2Vec2},goog.inherits(box2d.b2FrictionJointDef,box2d.b2JointDef),goog.exportSymbol("box2d.b2FrictionJointDef",box2d.b2FrictionJointDef),box2d.b2FrictionJointDef.prototype.localAnchorA=null,goog.exportProperty(box2d.b2FrictionJointDef.prototype,"localAnchorA",box2d.b2FrictionJointDef.prototype.localAnchorA),box2d.b2FrictionJointDef.prototype.localAnchorB=null,goog.exportProperty(box2d.b2FrictionJointDef.prototype,"localAnchorB",box2d.b2FrictionJointDef.prototype.localAnchorB),box2d.b2FrictionJointDef.prototype.maxForce=0,goog.exportProperty(box2d.b2FrictionJointDef.prototype,"maxForce",box2d.b2FrictionJointDef.prototype.maxForce),box2d.b2FrictionJointDef.prototype.maxTorque=0,goog.exportProperty(box2d.b2FrictionJointDef.prototype,"maxTorque",box2d.b2FrictionJointDef.prototype.maxTorque),box2d.b2FrictionJointDef.prototype.Initialize=function(o,t,e){this.bodyA=o,this.bodyB=t,this.bodyA.GetLocalPoint(e,this.localAnchorA),this.bodyB.GetLocalPoint(e,this.localAnchorB)},goog.exportProperty(box2d.b2FrictionJointDef.prototype,"Initialize",box2d.b2FrictionJointDef.prototype.Initialize),box2d.b2FrictionJoint=function(o){box2d.b2Joint.call(this,o),this.m_localAnchorA=o.localAnchorA.Clone(),this.m_localAnchorB=o.localAnchorB.Clone(),this.m_linearImpulse=(new box2d.b2Vec2).SetZero(),this.m_maxForce=o.maxForce,this.m_maxTorque=o.maxTorque,this.m_rA=new box2d.b2Vec2,this.m_rB=new box2d.b2Vec2,this.m_localCenterA=new box2d.b2Vec2,this.m_localCenterB=new box2d.b2Vec2,this.m_linearMass=(new box2d.b2Mat22).SetZero(),this.m_qA=new box2d.b2Rot,this.m_qB=new box2d.b2Rot,this.m_lalcA=new box2d.b2Vec2,this.m_lalcB=new box2d.b2Vec2,this.m_K=new box2d.b2Mat22},goog.inherits(box2d.b2FrictionJoint,box2d.b2Joint),goog.exportSymbol("box2d.b2FrictionJoint",box2d.b2FrictionJoint),box2d.b2FrictionJoint.prototype.m_localAnchorA=null,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_localAnchorA",box2d.b2FrictionJoint.prototype.m_localAnchorA),box2d.b2FrictionJoint.prototype.m_localAnchorB=null,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_localAnchorB",box2d.b2FrictionJoint.prototype.m_localAnchorB),box2d.b2FrictionJoint.prototype.m_linearImpulse=null,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_linearImpulse",box2d.b2FrictionJoint.prototype.m_linearImpulse),box2d.b2FrictionJoint.prototype.m_angularImpulse=0,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_angularImpulse",box2d.b2FrictionJoint.prototype.m_angularImpulse),box2d.b2FrictionJoint.prototype.m_maxForce=0,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_maxForce",box2d.b2FrictionJoint.prototype.m_maxForce),box2d.b2FrictionJoint.prototype.m_maxTorque=0,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_maxTorque",box2d.b2FrictionJoint.prototype.m_maxTorque),box2d.b2FrictionJoint.prototype.m_indexA=0,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_indexA",box2d.b2FrictionJoint.prototype.m_indexA),box2d.b2FrictionJoint.prototype.m_indexB=0,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_indexB",box2d.b2FrictionJoint.prototype.m_indexB),box2d.b2FrictionJoint.prototype.m_rA=null,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_rA",box2d.b2FrictionJoint.prototype.m_rA),box2d.b2FrictionJoint.prototype.m_rB=null,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_rB",box2d.b2FrictionJoint.prototype.m_rB),box2d.b2FrictionJoint.prototype.m_localCenterA=null,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_localCenterA",box2d.b2FrictionJoint.prototype.m_localCenterA),box2d.b2FrictionJoint.prototype.m_localCenterB=null,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_localCenterB",box2d.b2FrictionJoint.prototype.m_localCenterB),box2d.b2FrictionJoint.prototype.m_invMassA=0,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_invMassA",box2d.b2FrictionJoint.prototype.m_invMassA),box2d.b2FrictionJoint.prototype.m_invMassB=0,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_invMassB",box2d.b2FrictionJoint.prototype.m_invMassB),box2d.b2FrictionJoint.prototype.m_invIA=0,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_invIA",box2d.b2FrictionJoint.prototype.m_invIA),box2d.b2FrictionJoint.prototype.m_invIB=0,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_invIB",box2d.b2FrictionJoint.prototype.m_invIB),box2d.b2FrictionJoint.prototype.m_linearMass=null,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_linearMass",box2d.b2FrictionJoint.prototype.m_linearMass),box2d.b2FrictionJoint.prototype.m_angularMass=0,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_angularMass",box2d.b2FrictionJoint.prototype.m_angularMass),box2d.b2FrictionJoint.prototype.m_qA=null,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_qA",box2d.b2FrictionJoint.prototype.m_qA),box2d.b2FrictionJoint.prototype.m_qB=null,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_qB",box2d.b2FrictionJoint.prototype.m_qB),box2d.b2FrictionJoint.prototype.m_lalcA=null,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_lalcA",box2d.b2FrictionJoint.prototype.m_lalcA),box2d.b2FrictionJoint.prototype.m_lalcB=null,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_lalcB",box2d.b2FrictionJoint.prototype.m_lalcB),box2d.b2FrictionJoint.prototype.m_K=null,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_K",box2d.b2FrictionJoint.prototype.m_K),box2d.b2FrictionJoint.prototype.InitVelocityConstraints=function(o){this.m_indexA=this.m_bodyA.m_islandIndex,this.m_indexB=this.m_bodyB.m_islandIndex,this.m_localCenterA.Copy(this.m_bodyA.m_sweep.localCenter),this.m_localCenterB.Copy(this.m_bodyB.m_sweep.localCenter),this.m_invMassA=this.m_bodyA.m_invMass,this.m_invMassB=this.m_bodyB.m_invMass,this.m_invIA=this.m_bodyA.m_invI,this.m_invIB=this.m_bodyB.m_invI;var t=o.velocities[this.m_indexA].v,e=o.velocities[this.m_indexA].w,r=o.positions[this.m_indexB].a,i=o.velocities[this.m_indexB].v,b=o.velocities[this.m_indexB].w,n=this.m_qA.SetAngle(o.positions[this.m_indexA].a);r=this.m_qB.SetAngle(r);box2d.b2Sub_V2_V2(this.m_localAnchorA,this.m_localCenterA,this.m_lalcA),n=box2d.b2Mul_R_V2(n,this.m_lalcA,this.m_rA),box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_localCenterB,this.m_lalcB);var p=box2d.b2Mul_R_V2(r,this.m_lalcB,this.m_rB),s=(r=this.m_invMassA,this.m_invMassB),a=this.m_invIA,d=this.m_invIB,l=this.m_K;l.ex.x=r+s+a*n.y*n.y+d*p.y*p.y,l.ex.y=-a*n.x*n.y-d*p.x*p.y,l.ey.x=l.ex.y,l.ey.y=r+s+a*n.x*n.x+d*p.x*p.x,l.GetInverse(this.m_linearMass),this.m_angularMass=a+d,0<this.m_angularMass&&(this.m_angularMass=1/this.m_angularMass),o.step.warmStarting?(this.m_linearImpulse.SelfMul(o.step.dtRatio),this.m_angularImpulse*=o.step.dtRatio,n=this.m_linearImpulse,t.SelfMulSub(r,n),e-=a*(box2d.b2Cross_V2_V2(this.m_rA,n)+this.m_angularImpulse),i.SelfMulAdd(s,n),b+=d*(box2d.b2Cross_V2_V2(this.m_rB,n)+this.m_angularImpulse)):(this.m_linearImpulse.SetZero(),this.m_angularImpulse=0),o.velocities[this.m_indexA].w=e,o.velocities[this.m_indexB].w=b},goog.exportProperty(box2d.b2FrictionJoint.prototype,"InitVelocityConstraints",box2d.b2FrictionJoint.prototype.InitVelocityConstraints),box2d.b2FrictionJoint.prototype.SolveVelocityConstraints=function(o){var t,e=o.velocities[this.m_indexA].v,r=o.velocities[this.m_indexA].w,i=o.velocities[this.m_indexB].v,b=o.velocities[this.m_indexB].w,n=this.m_invMassA,p=this.m_invMassB,s=this.m_invIA,a=this.m_invIB,d=o.step.dt,l=-this.m_angularMass*(b-r),x=this.m_angularImpulse;t=d*this.m_maxTorque,this.m_angularImpulse=box2d.b2Clamp(this.m_angularImpulse+l,-t,t),r-=s*(l=this.m_angularImpulse-x),b+=a*l,t=box2d.b2Sub_V2_V2(box2d.b2AddCross_V2_S_V2(i,b,this.m_rB,box2d.b2Vec2.s_t0),box2d.b2AddCross_V2_S_V2(e,r,this.m_rA,box2d.b2Vec2.s_t1),box2d.b2FrictionJoint.prototype.SolveVelocityConstraints.s_Cdot),l=box2d.b2Mul_M22_V2(this.m_linearMass,t,box2d.b2FrictionJoint.prototype.SolveVelocityConstraints.s_impulseV).SelfNeg(),x=box2d.b2FrictionJoint.prototype.SolveVelocityConstraints.s_oldImpulseV.Copy(this.m_linearImpulse),this.m_linearImpulse.SelfAdd(l),t=d*this.m_maxForce,this.m_linearImpulse.LengthSquared()>t*t&&(this.m_linearImpulse.Normalize(),this.m_linearImpulse.SelfMul(t)),box2d.b2Sub_V2_V2(this.m_linearImpulse,x,l),e.SelfMulSub(n,l),r-=s*box2d.b2Cross_V2_V2(this.m_rA,l),i.SelfMulAdd(p,l),b+=a*box2d.b2Cross_V2_V2(this.m_rB,l),o.velocities[this.m_indexA].w=r,o.velocities[this.m_indexB].w=b},goog.exportProperty(box2d.b2FrictionJoint.prototype,"SolveVelocityConstraints",box2d.b2FrictionJoint.prototype.SolveVelocityConstraints),box2d.b2FrictionJoint.prototype.SolveVelocityConstraints.s_Cdot=new box2d.b2Vec2,box2d.b2FrictionJoint.prototype.SolveVelocityConstraints.s_impulseV=new box2d.b2Vec2,box2d.b2FrictionJoint.prototype.SolveVelocityConstraints.s_oldImpulseV=new box2d.b2Vec2,box2d.b2FrictionJoint.prototype.SolvePositionConstraints=function(o){return!0},goog.exportProperty(box2d.b2FrictionJoint.prototype,"SolvePositionConstraints",box2d.b2FrictionJoint.prototype.SolvePositionConstraints),box2d.b2FrictionJoint.prototype.GetAnchorA=function(o){return this.m_bodyA.GetWorldPoint(this.m_localAnchorA,o)},goog.exportProperty(box2d.b2FrictionJoint.prototype,"GetAnchorA",box2d.b2FrictionJoint.prototype.GetAnchorA),box2d.b2FrictionJoint.prototype.GetAnchorB=function(o){return this.m_bodyB.GetWorldPoint(this.m_localAnchorB,o)},goog.exportProperty(box2d.b2FrictionJoint.prototype,"GetAnchorB",box2d.b2FrictionJoint.prototype.GetAnchorB),box2d.b2FrictionJoint.prototype.GetReactionForce=function(o,t){return t.Set(o*this.m_linearImpulse.x,o*this.m_linearImpulse.y)},goog.exportProperty(box2d.b2FrictionJoint.prototype,"GetReactionForce",box2d.b2FrictionJoint.prototype.GetReactionForce),box2d.b2FrictionJoint.prototype.GetReactionTorque=function(o){return o*this.m_angularImpulse},goog.exportProperty(box2d.b2FrictionJoint.prototype,"GetReactionTorque",box2d.b2FrictionJoint.prototype.GetReactionTorque),box2d.b2FrictionJoint.prototype.GetLocalAnchorA=function(o){return o.Copy(this.m_localAnchorA)},goog.exportProperty(box2d.b2FrictionJoint.prototype,"GetLocalAnchorA",box2d.b2FrictionJoint.prototype.GetLocalAnchorA),box2d.b2FrictionJoint.prototype.GetLocalAnchorB=function(o){return o.Copy(this.m_localAnchorB)},goog.exportProperty(box2d.b2FrictionJoint.prototype,"GetLocalAnchorB",box2d.b2FrictionJoint.prototype.GetLocalAnchorB),box2d.b2FrictionJoint.prototype.SetMaxForce=function(o){this.m_maxForce=o},goog.exportProperty(box2d.b2FrictionJoint.prototype,"SetMaxForce",box2d.b2FrictionJoint.prototype.SetMaxForce),box2d.b2FrictionJoint.prototype.GetMaxForce=function(){return this.m_maxForce},goog.exportProperty(box2d.b2FrictionJoint.prototype,"GetMaxForce",box2d.b2FrictionJoint.prototype.GetMaxForce),box2d.b2FrictionJoint.prototype.SetMaxTorque=function(o){this.m_maxTorque=o},goog.exportProperty(box2d.b2FrictionJoint.prototype,"SetMaxTorque",box2d.b2FrictionJoint.prototype.SetMaxTorque),box2d.b2FrictionJoint.prototype.GetMaxTorque=function(){return this.m_maxTorque},goog.exportProperty(box2d.b2FrictionJoint.prototype,"GetMaxTorque",box2d.b2FrictionJoint.prototype.GetMaxTorque),box2d.b2FrictionJoint.prototype.Dump=function(){if(box2d.DEBUG){var o=this.m_bodyA.m_islandIndex,t=this.m_bodyB.m_islandIndex;box2d.b2Log("  /*box2d.b2FrictionJointDef*/ var jd = new box2d.b2FrictionJointDef();\n"),box2d.b2Log("  jd.bodyA = bodies[%d];\n",o),box2d.b2Log("  jd.bodyB = bodies[%d];\n",t),box2d.b2Log("  jd.collideConnected = %s;\n",this.m_collideConnected?"true":"false"),box2d.b2Log("  jd.localAnchorA.Set(%.15f, %.15f);\n",this.m_localAnchorA.x,this.m_localAnchorA.y),box2d.b2Log("  jd.localAnchorB.Set(%.15f, %.15f);\n",this.m_localAnchorB.x,this.m_localAnchorB.y),box2d.b2Log("  jd.maxForce = %.15f;\n",this.m_maxForce),box2d.b2Log("  jd.maxTorque = %.15f;\n",this.m_maxTorque),box2d.b2Log("  joints[%d] = this.m_world.CreateJoint(jd);\n",this.m_index)}},goog.exportProperty(box2d.b2FrictionJoint.prototype,"Dump",box2d.b2FrictionJoint.prototype.Dump),box2d.b2JointFactory={},box2d.b2JointFactory.Create=function(o,t){var e=null;switch(o.type){case box2d.b2JointType.e_distanceJoint:e=new box2d.b2DistanceJoint(o instanceof box2d.b2DistanceJointDef?o:null);break;case box2d.b2JointType.e_mouseJoint:e=new box2d.b2MouseJoint(o instanceof box2d.b2MouseJointDef?o:null);break;case box2d.b2JointType.e_prismaticJoint:e=new box2d.b2PrismaticJoint(o instanceof box2d.b2PrismaticJointDef?o:null);break;case box2d.b2JointType.e_revoluteJoint:e=new box2d.b2RevoluteJoint(o instanceof box2d.b2RevoluteJointDef?o:null);break;case box2d.b2JointType.e_pulleyJoint:e=new box2d.b2PulleyJoint(o instanceof box2d.b2PulleyJointDef?o:null);break;case box2d.b2JointType.e_gearJoint:e=new box2d.b2GearJoint(o instanceof box2d.b2GearJointDef?o:null);break;case box2d.b2JointType.e_wheelJoint:e=new box2d.b2WheelJoint(o instanceof box2d.b2WheelJointDef?o:null);break;case box2d.b2JointType.e_weldJoint:e=new box2d.b2WeldJoint(o instanceof box2d.b2WeldJointDef?o:null);break;case box2d.b2JointType.e_frictionJoint:e=new box2d.b2FrictionJoint(o instanceof box2d.b2FrictionJointDef?o:null);break;case box2d.b2JointType.e_ropeJoint:e=new box2d.b2RopeJoint(o instanceof box2d.b2RopeJointDef?o:null);break;case box2d.b2JointType.e_motorJoint:e=new box2d.b2MotorJoint(o instanceof box2d.b2MotorJointDef?o:null);break;case box2d.b2JointType.e_areaJoint:e=new box2d.b2AreaJoint(o instanceof box2d.b2AreaJointDef?o:null);break;default:box2d.ENABLE_ASSERTS&&box2d.b2Assert(!1)}return e},goog.exportSymbol("box2d.b2JointFactory.Create",box2d.b2JointFactory.Create),box2d.b2JointFactory.Destroy=function(o,t){},goog.exportSymbol("box2d.b2JointFactory.Destroy",box2d.b2JointFactory.Destroy),box2d.b2World=function(o){this.m_flag_clearForces=!0,this.m_contactManager=new box2d.b2ContactManager,this.m_gravity=o.Clone(),this.m_out_gravity=new box2d.b2Vec2,this.m_allowSleep=!0,this.m_debugDraw=this.m_destructionListener=null,this.m_continuousPhysics=this.m_warmStarting=!0,this.m_subStepping=!1,this.m_stepComplete=!0,this.m_profile=new box2d.b2Profile,this.m_island=new box2d.b2Island,this.s_stack=[]},goog.exportSymbol("box2d.b2World",box2d.b2World),box2d.b2World.prototype.m_flag_newFixture=!1,goog.exportProperty(box2d.b2World.prototype,"m_flag_newFixture",box2d.b2World.prototype.m_flag_newFixture),box2d.b2World.prototype.m_flag_locked=!1,goog.exportProperty(box2d.b2World.prototype,"m_flag_locked",box2d.b2World.prototype.m_flag_locked),box2d.b2World.prototype.m_flag_clearForces=!1,goog.exportProperty(box2d.b2World.prototype,"m_flag_clearForces",box2d.b2World.prototype.m_flag_clearForces),box2d.b2World.prototype.m_contactManager=null,goog.exportProperty(box2d.b2World.prototype,"m_contactManager",box2d.b2World.prototype.m_contactManager),box2d.b2World.prototype.m_bodyList=null,goog.exportProperty(box2d.b2World.prototype,"m_bodyList",box2d.b2World.prototype.m_bodyList),box2d.b2World.prototype.m_jointList=null,goog.exportProperty(box2d.b2World.prototype,"m_jointList",box2d.b2World.prototype.m_jointList),box2d.b2World.prototype.m_particleSystemList=null,goog.exportProperty(box2d.b2World.prototype,"m_particleSystemList",box2d.b2World.prototype.m_particleSystemList),box2d.b2World.prototype.m_bodyCount=0,goog.exportProperty(box2d.b2World.prototype,"m_bodyCount",box2d.b2World.prototype.m_bodyCount),box2d.b2World.prototype.m_jointCount=0,goog.exportProperty(box2d.b2World.prototype,"m_jointCount",box2d.b2World.prototype.m_jointCount),box2d.b2World.prototype.m_gravity=null,goog.exportProperty(box2d.b2World.prototype,"m_gravity",box2d.b2World.prototype.m_gravity),box2d.b2World.prototype.m_out_gravity=null,goog.exportProperty(box2d.b2World.prototype,"m_out_gravity",box2d.b2World.prototype.m_out_gravity),box2d.b2World.prototype.m_allowSleep=!0,goog.exportProperty(box2d.b2World.prototype,"m_allowSleep",box2d.b2World.prototype.m_allowSleep),box2d.b2World.prototype.m_destructionListener=null,goog.exportProperty(box2d.b2World.prototype,"m_destructionListener",box2d.b2World.prototype.m_destructionListener),box2d.b2World.prototype.m_debugDraw=null,goog.exportProperty(box2d.b2World.prototype,"m_debugDraw",box2d.b2World.prototype.m_debugDraw),box2d.b2World.prototype.m_inv_dt0=0,goog.exportProperty(box2d.b2World.prototype,"m_inv_dt0",box2d.b2World.prototype.m_inv_dt0),box2d.b2World.prototype.m_warmStarting=!0,goog.exportProperty(box2d.b2World.prototype,"m_warmStarting",box2d.b2World.prototype.m_warmStarting),box2d.b2World.prototype.m_continuousPhysics=!0,goog.exportProperty(box2d.b2World.prototype,"m_continuousPhysics",box2d.b2World.prototype.m_continuousPhysics),box2d.b2World.prototype.m_subStepping=!1,goog.exportProperty(box2d.b2World.prototype,"m_subStepping",box2d.b2World.prototype.m_subStepping),box2d.b2World.prototype.m_stepComplete=!0,goog.exportProperty(box2d.b2World.prototype,"m_stepComplete",box2d.b2World.prototype.m_stepComplete),box2d.b2World.prototype.m_profile=null,goog.exportProperty(box2d.b2World.prototype,"m_profile",box2d.b2World.prototype.m_profile),box2d.b2World.prototype.m_island=null,goog.exportProperty(box2d.b2World.prototype,"m_island",box2d.b2World.prototype.m_island),box2d.b2World.prototype.s_stack=null,goog.exportProperty(box2d.b2World.prototype,"s_stack",box2d.b2World.prototype.s_stack),box2d.b2World.prototype.m_controllerList=null,goog.exportProperty(box2d.b2World.prototype,"m_controllerList",box2d.b2World.prototype.m_controllerList),box2d.b2World.prototype.m_controllerCount=0,goog.exportProperty(box2d.b2World.prototype,"m_controllerCount",box2d.b2World.prototype.m_controllerCount),box2d.b2World.prototype.SetAllowSleeping=function(o){if(o!==this.m_allowSleep&&(this.m_allowSleep=o,!this.m_allowSleep))for(o=this.m_bodyList;o;o=o.m_next)o.SetAwake(!0)},goog.exportProperty(box2d.b2World.prototype,"SetAllowSleeping",box2d.b2World.prototype.SetAllowSleeping),box2d.b2World.prototype.GetAllowSleeping=function(){return this.m_allowSleep},goog.exportProperty(box2d.b2World.prototype,"GetAllowSleeping",box2d.b2World.prototype.GetAllowSleeping),box2d.b2World.prototype.SetWarmStarting=function(o){this.m_warmStarting=o},goog.exportProperty(box2d.b2World.prototype,"SetWarmStarting",box2d.b2World.prototype.SetWarmStarting),box2d.b2World.prototype.GetWarmStarting=function(){return this.m_warmStarting},goog.exportProperty(box2d.b2World.prototype,"GetWarmStarting",box2d.b2World.prototype.GetWarmStarting),box2d.b2World.prototype.SetContinuousPhysics=function(o){this.m_continuousPhysics=o},goog.exportProperty(box2d.b2World.prototype,"SetContinuousPhysics",box2d.b2World.prototype.SetContinuousPhysics),box2d.b2World.prototype.GetContinuousPhysics=function(){return this.m_continuousPhysics},goog.exportProperty(box2d.b2World.prototype,"GetContinuousPhysics",box2d.b2World.prototype.GetContinuousPhysics),box2d.b2World.prototype.SetSubStepping=function(o){this.m_subStepping=o},goog.exportProperty(box2d.b2World.prototype,"SetSubStepping",box2d.b2World.prototype.SetSubStepping),box2d.b2World.prototype.GetSubStepping=function(){return this.m_subStepping},goog.exportProperty(box2d.b2World.prototype,"GetSubStepping",box2d.b2World.prototype.GetSubStepping),box2d.b2World.prototype.GetBodyList=function(){return this.m_bodyList},goog.exportProperty(box2d.b2World.prototype,"GetBodyList",box2d.b2World.prototype.GetBodyList),box2d.b2World.prototype.GetJointList=function(){return this.m_jointList},goog.exportProperty(box2d.b2World.prototype,"GetJointList",box2d.b2World.prototype.GetJointList),box2d.b2World.prototype.GetParticleSystemList=function(){return this.m_particleSystemList},goog.exportProperty(box2d.b2World.prototype,"GetParticleSystemList",box2d.b2World.prototype.GetParticleSystemList),box2d.b2World.prototype.GetContactList=function(){return this.m_contactManager.m_contactList},goog.exportProperty(box2d.b2World.prototype,"GetContactList",box2d.b2World.prototype.GetContactList),box2d.b2World.prototype.GetBodyCount=function(){return this.m_bodyCount},goog.exportProperty(box2d.b2World.prototype,"GetBodyCount",box2d.b2World.prototype.GetBodyCount),box2d.b2World.prototype.GetJointCount=function(){return this.m_jointCount},goog.exportProperty(box2d.b2World.prototype,"GetJointCount",box2d.b2World.prototype.GetJointCount),box2d.b2World.prototype.GetContactCount=function(){return this.m_contactManager.m_contactCount},goog.exportProperty(box2d.b2World.prototype,"GetContactCount",box2d.b2World.prototype.GetContactCount),box2d.b2World.prototype.SetGravity=function(o,t){if(t=t||!0,(this.m_gravity.x!==o.x||this.m_gravity.y!==o.y)&&(this.m_gravity.Copy(o),t))for(var e=this.m_bodyList;e;e=e.m_next)e.SetAwake(!0)},goog.exportProperty(box2d.b2World.prototype,"SetGravity",box2d.b2World.prototype.SetGravity),box2d.b2World.prototype.GetGravity=function(o){return(o=o||this.m_out_gravity).Copy(this.m_gravity)},goog.exportProperty(box2d.b2World.prototype,"GetGravity",box2d.b2World.prototype.GetGravity),box2d.b2World.prototype.IsLocked=function(){return this.m_flag_locked},goog.exportProperty(box2d.b2World.prototype,"IsLocked",box2d.b2World.prototype.IsLocked),box2d.b2World.prototype.SetAutoClearForces=function(o){this.m_flag_clearForces=o},goog.exportProperty(box2d.b2World.prototype,"SetAutoClearForces",box2d.b2World.prototype.SetAutoClearForces),box2d.b2World.prototype.GetAutoClearForces=function(){return this.m_flag_clearForces},goog.exportProperty(box2d.b2World.prototype,"GetAutoClearForces",box2d.b2World.prototype.GetAutoClearForces),box2d.b2World.prototype.GetContactManager=function(){return this.m_contactManager},goog.exportProperty(box2d.b2World.prototype,"GetContactManager",box2d.b2World.prototype.GetContactManager),box2d.b2World.prototype.GetProfile=function(){return this.m_profile},goog.exportProperty(box2d.b2World.prototype,"GetProfile",box2d.b2World.prototype.GetProfile),box2d.b2World.prototype.SetDestructionListener=function(o){this.m_destructionListener=o},goog.exportProperty(box2d.b2World.prototype,"SetDestructionListener",box2d.b2World.prototype.SetDestructionListener),box2d.b2World.prototype.SetContactFilter=function(o){this.m_contactManager.m_contactFilter=o},goog.exportProperty(box2d.b2World.prototype,"SetContactFilter",box2d.b2World.prototype.SetContactFilter),box2d.b2World.prototype.SetContactListener=function(o){this.m_contactManager.m_contactListener=o},goog.exportProperty(box2d.b2World.prototype,"SetContactListener",box2d.b2World.prototype.SetContactListener),box2d.b2World.prototype.SetDebugDraw=function(o){this.m_debugDraw=o},goog.exportProperty(box2d.b2World.prototype,"SetDebugDraw",box2d.b2World.prototype.SetDebugDraw),box2d.b2World.prototype.CreateBody=function(o){return box2d.ENABLE_ASSERTS&&box2d.b2Assert(!this.IsLocked()),this.IsLocked()?null:((o=new box2d.b2Body(o,this)).m_prev=null,(o.m_next=this.m_bodyList)&&(this.m_bodyList.m_prev=o),this.m_bodyList=o,++this.m_bodyCount,o)},goog.exportProperty(box2d.b2World.prototype,"CreateBody",box2d.b2World.prototype.CreateBody),box2d.b2World.prototype.DestroyBody=function(o){if(box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<this.m_bodyCount),box2d.ENABLE_ASSERTS&&box2d.b2Assert(!this.IsLocked()),!this.IsLocked()){for(var t=o.m_jointList;t;){var e=t;t=t.next;this.m_destructionListener&&this.m_destructionListener.SayGoodbyeJoint(e.joint),this.DestroyJoint(e.joint),o.m_jointList=t}for(o.m_jointList=null,t=o.m_controllerList;t;)e=t,t=t.nextController,e.controller.RemoveBody(o);for(t=o.m_contactList;t;)e=t,t=t.next,this.m_contactManager.Destroy(e.contact);for(o.m_contactList=null,t=o.m_fixtureList;t;)e=t,t=t.m_next,this.m_destructionListener&&this.m_destructionListener.SayGoodbyeFixture(e),e.DestroyProxies(this.m_contactManager.m_broadPhase),e.Destroy(),o.m_fixtureList=t,--o.m_fixtureCount;o.m_fixtureList=null,o.m_fixtureCount=0,o.m_prev&&(o.m_prev.m_next=o.m_next),o.m_next&&(o.m_next.m_prev=o.m_prev),o===this.m_bodyList&&(this.m_bodyList=o.m_next),--this.m_bodyCount}},goog.exportProperty(box2d.b2World.prototype,"DestroyBody",box2d.b2World.prototype.DestroyBody),box2d.b2World.prototype.CreateJoint=function(o){if(box2d.ENABLE_ASSERTS&&box2d.b2Assert(!this.IsLocked()),this.IsLocked())return null;var t=box2d.b2JointFactory.Create(o,null);t.m_prev=null,(t.m_next=this.m_jointList)&&(this.m_jointList.m_prev=t),this.m_jointList=t,++this.m_jointCount,t.m_edgeA.joint=t,t.m_edgeA.other=t.m_bodyB,t.m_edgeA.prev=null,(t.m_edgeA.next=t.m_bodyA.m_jointList)&&(t.m_bodyA.m_jointList.prev=t.m_edgeA),t.m_bodyA.m_jointList=t.m_edgeA,t.m_edgeB.joint=t,t.m_edgeB.other=t.m_bodyA,t.m_edgeB.prev=null,(t.m_edgeB.next=t.m_bodyB.m_jointList)&&(t.m_bodyB.m_jointList.prev=t.m_edgeB),t.m_bodyB.m_jointList=t.m_edgeB;var e=o.bodyA,r=o.bodyB;if(!o.collideConnected)for(o=r.GetContactList();o;)o.other===e&&o.contact.FlagForFiltering(),o=o.next;return t},goog.exportProperty(box2d.b2World.prototype,"CreateJoint",box2d.b2World.prototype.CreateJoint),box2d.b2World.prototype.DestroyJoint=function(o){if(box2d.ENABLE_ASSERTS&&box2d.b2Assert(!this.IsLocked()),!this.IsLocked()){var t=o.m_collideConnected;o.m_prev&&(o.m_prev.m_next=o.m_next),o.m_next&&(o.m_next.m_prev=o.m_prev),o===this.m_jointList&&(this.m_jointList=o.m_next);var e=o.m_bodyA,r=o.m_bodyB;if(e.SetAwake(!0),r.SetAwake(!0),o.m_edgeA.prev&&(o.m_edgeA.prev.next=o.m_edgeA.next),o.m_edgeA.next&&(o.m_edgeA.next.prev=o.m_edgeA.prev),o.m_edgeA===e.m_jointList&&(e.m_jointList=o.m_edgeA.next),o.m_edgeA.prev=null,o.m_edgeA.next=null,o.m_edgeB.prev&&(o.m_edgeB.prev.next=o.m_edgeB.next),o.m_edgeB.next&&(o.m_edgeB.next.prev=o.m_edgeB.prev),o.m_edgeB===r.m_jointList&&(r.m_jointList=o.m_edgeB.next),o.m_edgeB.prev=null,o.m_edgeB.next=null,box2d.b2JointFactory.Destroy(o,null),box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<this.m_jointCount),--this.m_jointCount,!t)for(o=r.GetContactList();o;)o.other===e&&o.contact.FlagForFiltering(),o=o.next}},goog.exportProperty(box2d.b2World.prototype,"DestroyJoint",box2d.b2World.prototype.DestroyJoint),box2d.b2World.prototype.CreateParticleSystem=function(o){return box2d.ENABLE_ASSERTS&&box2d.b2Assert(!this.IsLocked()),this.IsLocked()?null:((o=new box2d.b2ParticleSystem(o,this)).m_prev=null,(o.m_next=this.m_particleSystemList)&&(this.m_particleSystemList.m_prev=o),this.m_particleSystemList=o)},goog.exportProperty(box2d.b2World.prototype,"CreateParticleSystem",box2d.b2World.prototype.CreateParticleSystem),box2d.b2World.prototype.DestroyParticleSystem=function(o){box2d.ENABLE_ASSERTS&&box2d.b2Assert(!this.IsLocked()),this.IsLocked()||(o.m_prev&&(o.m_prev.m_next=o.m_next),o.m_next&&(o.m_next.m_prev=o.m_prev),o===this.m_particleSystemList&&(this.m_particleSystemList=o.m_next))},goog.exportProperty(box2d.b2World.prototype,"DestroyParticleSystem",box2d.b2World.prototype.DestroyParticleSystem),box2d.b2World.prototype.Solve=function(o){for(var t=this.m_bodyList;t;t=t.m_next)t.m_xf0.Copy(t.m_xf);for(var e=this.m_controllerList;e;e=e.m_next)e.Step(o);for(this.m_profile.solveInit=0,this.m_profile.solveVelocity=0,this.m_profile.solvePosition=0,(e=this.m_island).Initialize(this.m_bodyCount,this.m_contactManager.m_contactCount,this.m_jointCount,null,this.m_contactManager.m_contactListener),t=this.m_bodyList;t;t=t.m_next)t.m_flag_islandFlag=!1;for(var r=this.m_contactManager.m_contactList;r;r=r.m_next)r.m_flag_islandFlag=!1;for(r=this.m_jointList;r;r=r.m_next)r.m_islandFlag=!1;r=this.m_bodyCount;for(var i=this.s_stack,b=this.m_bodyList;b;b=b.m_next)if(!b.m_flag_islandFlag&&b.IsAwake()&&b.IsActive()&&b.GetType()!==box2d.b2BodyType.b2_staticBody){e.Clear();var n=0;for(i[n++]=b,b.m_flag_islandFlag=!0;0<n;)if(t=i[--n],box2d.ENABLE_ASSERTS&&box2d.b2Assert(t.IsActive()),e.AddBody(t),t.SetAwake(!0),t.GetType()!==box2d.b2BodyType.b2_staticBody){for(var p=t.m_contactList;p;p=p.next){var s=p.contact;if(!s.m_flag_islandFlag&&s.IsEnabled()&&s.IsTouching()){var a=s.m_fixtureB.m_isSensor;s.m_fixtureA.m_isSensor||a||(e.AddContact(s),s.m_flag_islandFlag=!0,(s=p.other).m_flag_islandFlag||(box2d.ENABLE_ASSERTS&&box2d.b2Assert(n<r),i[n++]=s,s.m_flag_islandFlag=!0))}}for(t=t.m_jointList;t;t=t.next)t.joint.m_islandFlag||(s=t.other).IsActive()&&(e.AddJoint(t.joint),t.joint.m_islandFlag=!0,s.m_flag_islandFlag||(box2d.ENABLE_ASSERTS&&box2d.b2Assert(n<r),i[n++]=s,s.m_flag_islandFlag=!0))}for(t=new box2d.b2Profile,e.Solve(t,o,this.m_gravity,this.m_allowSleep),this.m_profile.solveInit+=t.solveInit,this.m_profile.solveVelocity+=t.solveVelocity,this.m_profile.solvePosition+=t.solvePosition,n=0;n<e.m_bodyCount;++n)(t=e.m_bodies[n]).GetType()===box2d.b2BodyType.b2_staticBody&&(t.m_flag_islandFlag=!1)}for(n=0;n<i.length&&i[n];++n)i[n]=null;for(o=new box2d.b2Timer,t=this.m_bodyList;t;t=t.m_next)t.m_flag_islandFlag&&t.GetType()!==box2d.b2BodyType.b2_staticBody&&t.SynchronizeFixtures();this.m_contactManager.FindNewContacts(),this.m_profile.broadphase=o.GetMilliseconds()},goog.exportProperty(box2d.b2World.prototype,"Solve",box2d.b2World.prototype.Solve),box2d.b2World.prototype.SolveTOI=function(o){var t=this.m_island;if(t.Initialize(2*box2d.b2_maxTOIContacts,box2d.b2_maxTOIContacts,0,null,this.m_contactManager.m_contactListener),this.m_stepComplete){for(var e=this.m_bodyList;e;e=e.m_next)e.m_flag_islandFlag=!1,e.m_sweep.alpha0=0;for(var r=this.m_contactManager.m_contactList;r;r=r.m_next)r.m_flag_toiFlag=r.m_flag_islandFlag=!1,r.m_toiCount=0,r.m_toi=1}for(;;){var i=null;for(e=1,r=this.m_contactManager.m_contactList;r;r=r.m_next)if(r.IsEnabled()&&!(r.m_toiCount>box2d.b2_maxSubSteps)){var b=1;if(r.m_flag_toiFlag)b=r.m_toi;else{var n=r.GetFixtureA(),p=r.GetFixtureB();if(n.IsSensor()||p.IsSensor())continue;b=n.GetBody();var s=p.GetBody(),a=b.m_type,d=s.m_type;box2d.ENABLE_ASSERTS&&box2d.b2Assert(a!==box2d.b2BodyType.b2_staticBody||d!==box2d.b2BodyType.b2_staticBody);var l=b.IsAwake()&&a!==box2d.b2BodyType.b2_staticBody,x=s.IsAwake()&&d!==box2d.b2BodyType.b2_staticBody;if(!l&&!x)continue;if(a=b.IsBullet()||a!==box2d.b2BodyType.b2_dynamicBody,d=s.IsBullet()||d!==box2d.b2BodyType.b2_dynamicBody,!a&&!d)continue;d=b.m_sweep.alpha0,b.m_sweep.alpha0<s.m_sweep.alpha0?(d=s.m_sweep.alpha0,b.m_sweep.Advance(d)):s.m_sweep.alpha0<b.m_sweep.alpha0&&(d=b.m_sweep.alpha0,s.m_sweep.Advance(d)),box2d.ENABLE_ASSERTS&&box2d.b2Assert(1>d),l=r.GetChildIndexA(),x=r.GetChildIndexB(),(a=box2d.b2World.prototype.SolveTOI.s_toi_input).proxyA.SetShape(n.GetShape(),l),a.proxyB.SetShape(p.GetShape(),x),a.sweepA.Copy(b.m_sweep),a.sweepB.Copy(s.m_sweep),a.tMax=1,b=box2d.b2World.prototype.SolveTOI.s_toi_output,box2d.b2TimeOfImpact(b,a),s=b.t,b=b.state===box2d.b2TOIOutputState.e_touching?box2d.b2Min(d+(1-d)*s,1):1,r.m_toi=b,r.m_flag_toiFlag=!0}b<e&&(i=r,e=b)}if(null===i||1-10*box2d.b2_epsilon<e){this.m_stepComplete=!0;break}if(n=i.GetFixtureA(),p=i.GetFixtureB(),b=n.GetBody(),s=p.GetBody(),r=box2d.b2World.prototype.SolveTOI.s_backup1.Copy(b.m_sweep),n=box2d.b2World.prototype.SolveTOI.s_backup2.Copy(s.m_sweep),b.Advance(e),s.Advance(e),i.Update(this.m_contactManager.m_contactListener),i.m_flag_toiFlag=!1,++i.m_toiCount,i.IsEnabled()&&i.IsTouching()){for(b.SetAwake(!0),s.SetAwake(!0),t.Clear(),t.AddBody(b),t.AddBody(s),t.AddContact(i),b.m_flag_islandFlag=!0,s.m_flag_islandFlag=!0,i.m_flag_islandFlag=!0,i=0;2>i;++i)if((r=0===i?b:s).m_type===box2d.b2BodyType.b2_dynamicBody)for(n=r.m_contactList;n&&t.m_bodyCount!==t.m_bodyCapacity&&t.m_contactCount!==t.m_contactCapacity;n=n.next)!(p=n.contact).m_flag_islandFlag&&((d=n.other).m_type!==box2d.b2BodyType.b2_dynamicBody||r.IsBullet()||d.IsBullet())&&(a=p.m_fixtureB.m_isSensor,p.m_fixtureA.m_isSensor||a||(a=box2d.b2World.prototype.SolveTOI.s_backup.Copy(d.m_sweep),d.m_flag_islandFlag||d.Advance(e),p.Update(this.m_contactManager.m_contactListener),p.IsEnabled()&&p.IsTouching()?(p.m_flag_islandFlag=!0,t.AddContact(p),d.m_flag_islandFlag||(d.m_flag_islandFlag=!0,d.m_type!==box2d.b2BodyType.b2_staticBody&&d.SetAwake(!0),t.AddBody(d))):(d.m_sweep.Copy(a),d.SynchronizeTransform())));for((i=box2d.b2World.prototype.SolveTOI.s_subStep).dt=(1-e)*o.dt,i.inv_dt=1/i.dt,i.dtRatio=1,i.positionIterations=20,i.velocityIterations=o.velocityIterations,i.particleIterations=o.particleIterations,i.warmStarting=!1,t.SolveTOI(i,b.m_islandIndex,s.m_islandIndex),i=0;i<t.m_bodyCount;++i)if((r=t.m_bodies[i]).m_flag_islandFlag=!1,r.m_type===box2d.b2BodyType.b2_dynamicBody)for(r.SynchronizeFixtures(),n=r.m_contactList;n;n=n.next)n.contact.m_flag_toiFlag=n.contact.m_flag_islandFlag=!1;if(this.m_contactManager.FindNewContacts(),this.m_subStepping){this.m_stepComplete=!1;break}}else i.SetEnabled(!1),b.m_sweep.Copy(r),s.m_sweep.Copy(n),b.SynchronizeTransform(),s.SynchronizeTransform()}},goog.exportProperty(box2d.b2World.prototype,"SolveTOI",box2d.b2World.prototype.SolveTOI),box2d.b2World.prototype.SolveTOI.s_subStep=new box2d.b2TimeStep,box2d.b2World.prototype.SolveTOI.s_backup=new box2d.b2Sweep,box2d.b2World.prototype.SolveTOI.s_backup1=new box2d.b2Sweep,box2d.b2World.prototype.SolveTOI.s_backup2=new box2d.b2Sweep,box2d.b2World.prototype.SolveTOI.s_toi_input=new box2d.b2TOIInput,box2d.b2World.prototype.SolveTOI.s_toi_output=new box2d.b2TOIOutput,box2d.b2World.prototype.Step=function(o,t,e,r){r=r||this.CalculateReasonableParticleIterations(o);var i=new box2d.b2Timer;this.m_flag_newFixture&&(this.m_contactManager.FindNewContacts(),this.m_flag_newFixture=!1),this.m_flag_locked=!0;var b=box2d.b2World.prototype.Step.s_step;if(b.dt=o,b.velocityIterations=t,b.positionIterations=e,b.particleIterations=r,b.inv_dt=0<o?1/o:0,b.dtRatio=this.m_inv_dt0*o,b.warmStarting=this.m_warmStarting,o=new box2d.b2Timer,this.m_contactManager.Collide(),this.m_profile.collide=o.GetMilliseconds(),this.m_stepComplete&&0<b.dt){for(o=new box2d.b2Timer,t=this.m_particleSystemList;t;t=t.m_next)t.Solve(b);this.Solve(b),this.m_profile.solve=o.GetMilliseconds()}this.m_continuousPhysics&&0<b.dt&&(o=new box2d.b2Timer,this.SolveTOI(b),this.m_profile.solveTOI=o.GetMilliseconds()),0<b.dt&&(this.m_inv_dt0=b.inv_dt),this.m_flag_clearForces&&this.ClearForces(),this.m_flag_locked=!1,this.m_profile.step=i.GetMilliseconds()},goog.exportProperty(box2d.b2World.prototype,"Step",box2d.b2World.prototype.Step),box2d.b2World.prototype.Step.s_step=new box2d.b2TimeStep,box2d.b2World.prototype.ClearForces=function(){for(var o=this.m_bodyList;o;o=o.m_next)o.m_force.SetZero(),o.m_torque=0},goog.exportProperty(box2d.b2World.prototype,"ClearForces",box2d.b2World.prototype.ClearForces),box2d.b2World.prototype.QueryAABB=function(o,t){var e=this.m_contactManager.m_broadPhase;if(e.Query(function(t){return t=e.GetUserData(t),box2d.ENABLE_ASSERTS&&box2d.b2Assert(t instanceof box2d.b2FixtureProxy),t=t.fixture,o instanceof box2d.b2QueryCallback?o.ReportFixture(t):o(t)},t),o instanceof box2d.b2QueryCallback)for(var r=this.m_particleSystemList;r;r=r.m_next)o.ShouldQueryParticleSystem(r)&&r.QueryAABB(o,t)},goog.exportProperty(box2d.b2World.prototype,"QueryAABB",box2d.b2World.prototype.QueryAABB),box2d.b2World.prototype.QueryShape=function(o,t,e,r){var i=this.m_contactManager.m_broadPhase,b=box2d.b2World.prototype.QueryShape.s_aabb;if(t.ComputeAABB(b,e,r||0),i.Query(function(r){return r=i.GetUserData(r),box2d.ENABLE_ASSERTS&&box2d.b2Assert(r instanceof box2d.b2FixtureProxy),r=r.fixture,!box2d.b2TestOverlap_Shape(t,0,r.GetShape(),0,e,r.GetBody().GetTransform())||(o instanceof box2d.b2QueryCallback?o.ReportFixture(r):o(r))},b),o instanceof box2d.b2QueryCallback)for(r=this.m_particleSystemList;r;r=r.m_next)o.ShouldQueryParticleSystem(r)&&r.QueryAABB(o,b)},goog.exportProperty(box2d.b2World.prototype,"QueryShape",box2d.b2World.prototype.QueryShape),box2d.b2World.prototype.QueryShape.s_aabb=new box2d.b2AABB,box2d.b2World.prototype.QueryPoint=function(o,t,e){var r=this.m_contactManager.m_broadPhase;e="number"==typeof e?e:box2d.b2_linearSlop;var i=box2d.b2World.prototype.QueryPoint.s_aabb;if(i.lowerBound.Set(t.x-e,t.y-e),i.upperBound.Set(t.x+e,t.y+e),r.Query(function(e){return e=r.GetUserData(e),box2d.ENABLE_ASSERTS&&box2d.b2Assert(e instanceof box2d.b2FixtureProxy),!(e=e.fixture).TestPoint(t)||(o instanceof box2d.b2QueryCallback?o.ReportFixture(e):o(e))},i),o instanceof box2d.b2QueryCallback)for(e=this.m_particleSystemList;e;e=e.m_next)o.ShouldQueryParticleSystem(e)&&e.QueryAABB(o,i)},goog.exportProperty(box2d.b2World.prototype,"QueryPoint",box2d.b2World.prototype.QueryPoint),box2d.b2World.prototype.QueryPoint.s_aabb=new box2d.b2AABB,box2d.b2World.prototype.RayCast=function(o,t,e){var r=this.m_contactManager.m_broadPhase,i=box2d.b2World.prototype.RayCast.s_input;if(i.maxFraction=1,i.p1.Copy(t),i.p2.Copy(e),r.RayCast(function(i,b){var n=r.GetUserData(b);box2d.ENABLE_ASSERTS&&box2d.b2Assert(n instanceof box2d.b2FixtureProxy);var p=n.fixture,s=box2d.b2World.prototype.RayCast.s_output;if(p.RayCast(s,i,n.childIndex)){n=s.fraction;var a=box2d.b2World.prototype.RayCast.s_point;return a.Set((1-n)*t.x+n*e.x,(1-n)*t.y+n*e.y),o instanceof box2d.b2RayCastCallback?o.ReportFixture(p,a,s.normal,n):o(p,a,s.normal,n)}return i.maxFraction},i),o instanceof box2d.b2RayCastCallback)for(i=this.m_particleSystemList;i;i=i.m_next)o.ShouldQueryParticleSystem(i)&&i.RayCast(o,t,e)},goog.exportProperty(box2d.b2World.prototype,"RayCast",box2d.b2World.prototype.RayCast),box2d.b2World.prototype.RayCast.s_input=new box2d.b2RayCastInput,box2d.b2World.prototype.RayCast.s_output=new box2d.b2RayCastOutput,box2d.b2World.prototype.RayCast.s_point=new box2d.b2Vec2,box2d.b2World.prototype.RayCastOne=function(o,t){var e=null,r=1;return this.RayCast(function(o,t,i,b){return b<r&&(r=b,e=o),r},o,t),e},goog.exportProperty(box2d.b2World.prototype,"RayCastOne",box2d.b2World.prototype.RayCastOne),box2d.b2World.prototype.RayCastAll=function(o,t,e){return e.length=0,this.RayCast(function(o,t,r,i){return e.push(o),1},o,t),e},goog.exportProperty(box2d.b2World.prototype,"RayCastAll",box2d.b2World.prototype.RayCastAll),box2d.b2World.prototype.DrawShape=function(o,t){switch((e=o.GetShape()).m_type){case box2d.b2ShapeType.e_circleShape:e=e instanceof box2d.b2CircleShape?e:null,this.m_debugDraw.DrawSolidCircle(e.m_p,e.m_radius,box2d.b2Vec2.UNITX,t);break;case box2d.b2ShapeType.e_edgeShape:var e=(i=e instanceof box2d.b2EdgeShape?e:null).m_vertex1,r=i.m_vertex2;this.m_debugDraw.DrawSegment(e,r,t);break;case box2d.b2ShapeType.e_chainShape:var i=(e=e instanceof box2d.b2ChainShape?e:null).m_count,b=e.m_vertices;e=b[0];this.m_debugDraw.DrawCircle(e,.05,t);for(var n=1;n<i;++n)r=b[n],this.m_debugDraw.DrawSegment(e,r,t),this.m_debugDraw.DrawCircle(r,.05,t),e=r;break;case box2d.b2ShapeType.e_polygonShape:e=(i=e instanceof box2d.b2PolygonShape?e:null).m_count,b=i.m_vertices,this.m_debugDraw.DrawSolidPolygon(b,e,t)}},goog.exportProperty(box2d.b2World.prototype,"DrawShape",box2d.b2World.prototype.DrawShape),box2d.b2World.prototype.DrawJoint=function(o){var t=o.GetBodyA(),e=o.GetBodyB(),r=t.m_xf.p,i=e.m_xf.p,b=(e=o.GetAnchorA(box2d.b2World.prototype.DrawJoint.s_p1),t=o.GetAnchorB(box2d.b2World.prototype.DrawJoint.s_p2),box2d.b2World.prototype.DrawJoint.s_color.SetRGB(.5,.8,.8));switch(o.m_type){case box2d.b2JointType.e_distanceJoint:this.m_debugDraw.DrawSegment(e,t,b);break;case box2d.b2JointType.e_pulleyJoint:o=(r=o instanceof box2d.b2PulleyJoint?o:null).GetGroundAnchorA(box2d.b2World.prototype.DrawJoint.s_s1),r=r.GetGroundAnchorB(box2d.b2World.prototype.DrawJoint.s_s2),this.m_debugDraw.DrawSegment(o,e,b),this.m_debugDraw.DrawSegment(r,t,b),this.m_debugDraw.DrawSegment(o,r,b);break;case box2d.b2JointType.e_mouseJoint:this.m_debugDraw.DrawSegment(e,t,b);break;default:this.m_debugDraw.DrawSegment(r,e,b),this.m_debugDraw.DrawSegment(e,t,b),this.m_debugDraw.DrawSegment(i,t,b)}},goog.exportProperty(box2d.b2World.prototype,"DrawJoint",box2d.b2World.prototype.DrawJoint),box2d.b2World.prototype.DrawJoint.s_p1=new box2d.b2Vec2,box2d.b2World.prototype.DrawJoint.s_p2=new box2d.b2Vec2,box2d.b2World.prototype.DrawJoint.s_color=new box2d.b2Color(.5,.8,.8),box2d.b2World.prototype.DrawJoint.s_s1=new box2d.b2Vec2,box2d.b2World.prototype.DrawJoint.s_s2=new box2d.b2Vec2,box2d.b2World.prototype.DrawParticleSystem=function(o){var t=o.GetParticleCount();if(t){var e=o.GetRadius(),r=o.GetPositionBuffer();o.m_colorBuffer.data?(o=o.GetColorBuffer(),this.m_debugDraw.DrawParticles(r,e,o,t)):this.m_debugDraw.DrawParticles(r,e,null,t)}},goog.exportProperty(box2d.b2World.prototype,"DrawParticleSystem",box2d.b2World.prototype.DrawParticleSystem),box2d.b2World.prototype.DrawDebugData=function(){if(null!==this.m_debugDraw){var o=this.m_debugDraw.GetFlags(),t=box2d.b2World.prototype.DrawDebugData.s_color.SetRGB(0,0,0);if(o&box2d.b2DrawFlags.e_shapeBit)for(var e=this.m_bodyList;e;e=e.m_next){var r=e.m_xf;this.m_debugDraw.PushTransform(r);for(var i=e.GetFixtureList();i;i=i.m_next)e.IsActive()?e.GetType()===box2d.b2BodyType.b2_staticBody?t.SetRGB(.5,.9,.5):e.GetType()===box2d.b2BodyType.b2_kinematicBody?t.SetRGB(.5,.5,.9):e.IsAwake()?t.SetRGB(.9,.7,.7):t.SetRGB(.6,.6,.6):t.SetRGB(.5,.5,.3),this.DrawShape(i,t);this.m_debugDraw.PopTransform(r)}if(o&box2d.b2DrawFlags.e_particleBit)for(e=this.m_particleSystemList;e;e=e.m_next)this.DrawParticleSystem(e);if(o&box2d.b2DrawFlags.e_jointBit)for(e=this.m_jointList;e;e=e.m_next)this.DrawJoint(e);if(o&box2d.b2DrawFlags.e_aabbBit){t.SetRGB(.9,.3,.9);r=this.m_contactManager.m_broadPhase;var b=box2d.b2World.prototype.DrawDebugData.s_vs;for(e=this.m_bodyList;e;e=e.m_next)if(e.IsActive())for(i=e.GetFixtureList();i;i=i.m_next)for(var n=0;n<i.m_proxyCount;++n){var p=r.GetFatAABB(i.m_proxies[n].proxy);b[0].Set(p.lowerBound.x,p.lowerBound.y),b[1].Set(p.upperBound.x,p.lowerBound.y),b[2].Set(p.upperBound.x,p.upperBound.y),b[3].Set(p.lowerBound.x,p.upperBound.y),this.m_debugDraw.DrawPolygon(b,4,t)}}if(o&box2d.b2DrawFlags.e_centerOfMassBit)for(e=this.m_bodyList;e;e=e.m_next)(r=box2d.b2World.prototype.DrawDebugData.s_xf).q.Copy(e.m_xf.q),r.p.Copy(e.GetWorldCenter()),this.m_debugDraw.DrawTransform(r);if(o&box2d.b2DrawFlags.e_controllerBit)for(o=this.m_controllerList;o;o=o.m_next)o.Draw(this.m_debugDraw)}},goog.exportProperty(box2d.b2World.prototype,"DrawDebugData",box2d.b2World.prototype.DrawDebugData),box2d.b2World.prototype.DrawDebugData.s_color=new box2d.b2Color(0,0,0),box2d.b2World.prototype.DrawDebugData.s_vs=box2d.b2Vec2.MakeArray(4),box2d.b2World.prototype.DrawDebugData.s_xf=new box2d.b2Transform,box2d.b2World.prototype.SetBroadPhase=function(o){var t=this.m_contactManager.m_broadPhase;this.m_contactManager.m_broadPhase=o;for(var e=this.m_bodyList;e;e=e.m_next)for(var r=e.m_fixtureList;r;r=r.m_next)r.m_proxy=o.CreateProxy(t.GetFatAABB(r.m_proxy),r)},goog.exportProperty(box2d.b2World.prototype,"SetBroadPhase",box2d.b2World.prototype.SetBroadPhase),box2d.b2World.prototype.CalculateReasonableParticleIterations=function(o){return null===this.m_particleSystemList?1:box2d.b2CalculateParticleIterations(this.m_gravity.Length(),function(o){var t=box2d.b2_maxFloat;for(o=o.GetParticleSystemList();null!==o;o=o.m_next)t=box2d.b2Min(t,o.GetRadius());return t}(this),o)},goog.exportProperty(box2d.b2World.prototype,"CalculateReasonableParticleIterations",box2d.b2World.prototype.CalculateReasonableParticleIterations),box2d.b2World.prototype.GetProxyCount=function(){return this.m_contactManager.m_broadPhase.GetProxyCount()},goog.exportProperty(box2d.b2World.prototype,"GetProxyCount",box2d.b2World.prototype.GetProxyCount),box2d.b2World.prototype.GetTreeHeight=function(){return this.m_contactManager.m_broadPhase.GetTreeHeight()},goog.exportProperty(box2d.b2World.prototype,"GetTreeHeight",box2d.b2World.prototype.GetTreeHeight),box2d.b2World.prototype.GetTreeBalance=function(){return this.m_contactManager.m_broadPhase.GetTreeBalance()},goog.exportProperty(box2d.b2World.prototype,"GetTreeBalance",box2d.b2World.prototype.GetTreeBalance),box2d.b2World.prototype.GetTreeQuality=function(){return this.m_contactManager.m_broadPhase.GetTreeQuality()},goog.exportProperty(box2d.b2World.prototype,"GetTreeQuality",box2d.b2World.prototype.GetTreeQuality),box2d.b2World.prototype.ShiftOrigin=function(o){if(box2d.ENABLE_ASSERTS&&box2d.b2Assert(!this.IsLocked()),!this.IsLocked()){for(var t=this.m_bodyList;t;t=t.m_next)t.m_xf.p.SelfSub(o),t.m_sweep.c0.SelfSub(o),t.m_sweep.c.SelfSub(o);for(t=this.m_jointList;t;t=t.m_next)t.ShiftOrigin(o);this.m_contactManager.m_broadPhase.ShiftOrigin(o)}},goog.exportProperty(box2d.b2World.prototype,"ShiftOrigin",box2d.b2World.prototype.ShiftOrigin),box2d.b2World.prototype.Dump=function(){if(box2d.DEBUG&&!this.m_flag_locked){box2d.b2Log("/** @type {box2d.b2Vec2} */ var g = new box2d.b2Vec2(%.15f, %.15f);\n",this.m_gravity.x,this.m_gravity.y),box2d.b2Log("this.m_world.SetGravity(g);\n"),box2d.b2Log("/** @type {Array.<box2d.b2Body>} */ var bodies = new Array(%d);\n",this.m_bodyCount),box2d.b2Log("/** @type {Array.<box2d.b2Joint>} */ var joints = new Array(%d);\n",this.m_jointCount);for(var o=0,t=this.m_bodyList;t;t=t.m_next)t.m_islandIndex=o,t.Dump(),++o;for(o=0,t=this.m_jointList;t;t=t.m_next)t.m_index=o,++o;for(t=this.m_jointList;t;t=t.m_next)t.m_type!==box2d.b2JointType.e_gearJoint&&(box2d.b2Log("{\n"),t.Dump(),box2d.b2Log("}\n"));for(t=this.m_jointList;t;t=t.m_next)t.m_type===box2d.b2JointType.e_gearJoint&&(box2d.b2Log("{\n"),t.Dump(),box2d.b2Log("}\n"))}},goog.exportProperty(box2d.b2World.prototype,"Dump",box2d.b2World.prototype.Dump),box2d.b2World.prototype.AddController=function(o){return box2d.ENABLE_ASSERTS&&box2d.b2Assert(null===o.m_world,"Controller can only be a member of one world"),o.m_world=this,o.m_next=this.m_controllerList,o.m_prev=null,this.m_controllerList&&(this.m_controllerList.m_prev=o),this.m_controllerList=o,++this.m_controllerCount,o},goog.exportProperty(box2d.b2World.prototype,"AddController",box2d.b2World.prototype.AddController),box2d.b2World.prototype.RemoveController=function(o){box2d.ENABLE_ASSERTS&&box2d.b2Assert(o.m_world===this,"Controller is not a member of this world"),o.m_prev&&(o.m_prev.m_next=o.m_next),o.m_next&&(o.m_next.m_prev=o.m_prev),this.m_controllerList===o&&(this.m_controllerList=o.m_next),--this.m_controllerCount,o.m_prev=null,o.m_next=null,o.m_world=null},goog.exportProperty(box2d.b2World.prototype,"RemoveController",box2d.b2World.prototype.RemoveController),box2d.b2MotorJointDef=function(){box2d.b2JointDef.call(this,box2d.b2JointType.e_motorJoint),this.linearOffset=new box2d.b2Vec2(0,0)},goog.inherits(box2d.b2MotorJointDef,box2d.b2JointDef),goog.exportSymbol("box2d.b2MotorJointDef",box2d.b2MotorJointDef),box2d.b2MotorJointDef.prototype.linearOffset=null,goog.exportProperty(box2d.b2MotorJointDef.prototype,"linearOffset",box2d.b2MotorJointDef.prototype.linearOffset),box2d.b2MotorJointDef.prototype.angularOffset=0,goog.exportProperty(box2d.b2MotorJointDef.prototype,"angularOffset",box2d.b2MotorJointDef.prototype.angularOffset),box2d.b2MotorJointDef.prototype.maxForce=1,goog.exportProperty(box2d.b2MotorJointDef.prototype,"maxForce",box2d.b2MotorJointDef.prototype.maxForce),box2d.b2MotorJointDef.prototype.maxTorque=1,goog.exportProperty(box2d.b2MotorJointDef.prototype,"maxTorque",box2d.b2MotorJointDef.prototype.maxTorque),box2d.b2MotorJointDef.prototype.correctionFactor=.3,goog.exportProperty(box2d.b2MotorJointDef.prototype,"correctionFactor",box2d.b2MotorJointDef.prototype.correctionFactor),box2d.b2MotorJointDef.prototype.Initialize=function(o,t){this.bodyA=o,this.bodyB=t,this.bodyA.GetLocalPoint(this.bodyB.GetPosition(),this.linearOffset);var e=this.bodyA.GetAngle();this.angularOffset=this.bodyB.GetAngle()-e},goog.exportProperty(box2d.b2MotorJointDef.prototype,"Initialize",box2d.b2MotorJointDef.prototype.Initialize),box2d.b2MotorJoint=function(o){box2d.b2Joint.call(this,o),this.m_linearOffset=o.linearOffset.Clone(),this.m_angularOffset=o.angularOffset,this.m_linearImpulse=new box2d.b2Vec2(0,0),this.m_maxForce=o.maxForce,this.m_maxTorque=o.maxTorque,this.m_correctionFactor=o.correctionFactor,this.m_rA=new box2d.b2Vec2(0,0),this.m_rB=new box2d.b2Vec2(0,0),this.m_localCenterA=new box2d.b2Vec2(0,0),this.m_localCenterB=new box2d.b2Vec2(0,0),this.m_linearError=new box2d.b2Vec2(0,0),this.m_linearMass=new box2d.b2Mat22,this.m_qA=new box2d.b2Rot,this.m_qB=new box2d.b2Rot,this.m_K=new box2d.b2Mat22},goog.inherits(box2d.b2MotorJoint,box2d.b2Joint),goog.exportSymbol("box2d.b2MotorJoint",box2d.b2MotorJoint),box2d.b2MotorJoint.prototype.m_linearOffset=null,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_linearOffset",box2d.b2MotorJoint.prototype.m_linearOffset),box2d.b2MotorJoint.prototype.m_angularOffset=0,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_angularOffset",box2d.b2MotorJoint.prototype.m_angularOffset),box2d.b2MotorJoint.prototype.m_linearImpulse=null,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_linearImpulse",box2d.b2MotorJoint.prototype.m_linearImpulse),box2d.b2MotorJoint.prototype.m_angularImpulse=0,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_angularImpulse",box2d.b2MotorJoint.prototype.m_angularImpulse),box2d.b2MotorJoint.prototype.m_maxForce=0,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_maxForce",box2d.b2MotorJoint.prototype.m_maxForce),box2d.b2MotorJoint.prototype.m_maxTorque=0,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_maxTorque",box2d.b2MotorJoint.prototype.m_maxTorque),box2d.b2MotorJoint.prototype.m_correctionFactor=.3,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_correctionFactor",box2d.b2MotorJoint.prototype.m_correctionFactor),box2d.b2MotorJoint.prototype.m_indexA=0,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_indexA",box2d.b2MotorJoint.prototype.m_indexA),box2d.b2MotorJoint.prototype.m_indexB=0,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_indexB",box2d.b2MotorJoint.prototype.m_indexB),box2d.b2MotorJoint.prototype.m_rA=null,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_rA",box2d.b2MotorJoint.prototype.m_rA),box2d.b2MotorJoint.prototype.m_rB=null,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_rB",box2d.b2MotorJoint.prototype.m_rB),box2d.b2MotorJoint.prototype.m_localCenterA=null,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_localCenterA",box2d.b2MotorJoint.prototype.m_localCenterA),box2d.b2MotorJoint.prototype.m_localCenterB=null,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_localCenterB",box2d.b2MotorJoint.prototype.m_localCenterB),box2d.b2MotorJoint.prototype.m_linearError=null,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_linearError",box2d.b2MotorJoint.prototype.m_linearError),box2d.b2MotorJoint.prototype.m_angularError=0,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_angularError",box2d.b2MotorJoint.prototype.m_angularError),box2d.b2MotorJoint.prototype.m_invMassA=0,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_invMassA",box2d.b2MotorJoint.prototype.m_invMassA),box2d.b2MotorJoint.prototype.m_invMassB=0,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_invMassB",box2d.b2MotorJoint.prototype.m_invMassB),box2d.b2MotorJoint.prototype.m_invIA=0,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_invIA",box2d.b2MotorJoint.prototype.m_invIA),box2d.b2MotorJoint.prototype.m_invIB=0,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_invIB",box2d.b2MotorJoint.prototype.m_invIB),box2d.b2MotorJoint.prototype.m_linearMass=null,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_linearMass",box2d.b2MotorJoint.prototype.m_linearMass),box2d.b2MotorJoint.prototype.m_angularMass=0,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_angularMass",box2d.b2MotorJoint.prototype.m_angularMass),box2d.b2MotorJoint.prototype.m_qA=null,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_qA",box2d.b2MotorJoint.prototype.m_qA),box2d.b2MotorJoint.prototype.m_qB=null,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_qB",box2d.b2MotorJoint.prototype.m_qB),box2d.b2MotorJoint.prototype.m_K=null,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_K",box2d.b2MotorJoint.prototype.m_K),box2d.b2MotorJoint.prototype.GetAnchorA=function(o){return this.m_bodyA.GetPosition(o)},goog.exportProperty(box2d.b2MotorJoint.prototype,"GetAnchorA",box2d.b2MotorJoint.prototype.GetAnchorA),box2d.b2MotorJoint.prototype.GetAnchorB=function(o){return this.m_bodyB.GetPosition(o)},goog.exportProperty(box2d.b2MotorJoint.prototype,"GetAnchorB",box2d.b2MotorJoint.prototype.GetAnchorB),box2d.b2MotorJoint.prototype.GetReactionForce=function(o,t){return box2d.b2Mul_S_V2(o,this.m_linearImpulse,t)},goog.exportProperty(box2d.b2MotorJoint.prototype,"GetReactionForce",box2d.b2MotorJoint.prototype.GetReactionForce),box2d.b2MotorJoint.prototype.GetReactionTorque=function(o){return o*this.m_angularImpulse},goog.exportProperty(box2d.b2MotorJoint.prototype,"GetReactionTorque",box2d.b2MotorJoint.prototype.GetReactionTorque),box2d.b2MotorJoint.prototype.SetCorrectionFactor=function(o){box2d.ENABLE_ASSERTS&&box2d.b2Assert(box2d.b2IsValid(o)&&0<=o&&1>=o),this._correctionFactor=o},box2d.b2MotorJoint.prototype.GetCorrectionFactor=function(){return this.m_correctionFactor},box2d.b2MotorJoint.prototype.SetLinearOffset=function(o){o.x==this.m_linearOffset.x&&o.y==this.m_linearOffset.y||(this.m_bodyA.SetAwake(!0),this.m_bodyB.SetAwake(!0),this.m_linearOffset.Copy(o))},goog.exportProperty(box2d.b2MotorJoint.prototype,"SetLinearOffset",box2d.b2MotorJoint.prototype.SetLinearOffset),box2d.b2MotorJoint.prototype.GetLinearOffset=function(o){return o.Copy(this.m_linearOffset)},goog.exportProperty(box2d.b2MotorJoint.prototype,"GetLinearOffset",box2d.b2MotorJoint.prototype.GetLinearOffset),box2d.b2MotorJoint.prototype.SetAngularOffset=function(o){o!==this.m_angularOffset&&(this.m_bodyA.SetAwake(!0),this.m_bodyB.SetAwake(!0),this.m_angularOffset=o)},goog.exportProperty(box2d.b2MotorJoint.prototype,"SetAngularOffset",box2d.b2MotorJoint.prototype.SetAngularOffset),box2d.b2MotorJoint.prototype.GetAngularOffset=function(){return this.m_angularOffset},goog.exportProperty(box2d.b2MotorJoint.prototype,"GetAngularOffset",box2d.b2MotorJoint.prototype.GetAngularOffset),box2d.b2MotorJoint.prototype.SetMaxForce=function(o){box2d.ENABLE_ASSERTS&&box2d.b2Assert(box2d.b2IsValid(o)&&0<=o),this.m_maxForce=o},goog.exportProperty(box2d.b2MotorJoint.prototype,"SetMaxForce",box2d.b2MotorJoint.prototype.SetMaxForce),box2d.b2MotorJoint.prototype.GetMaxForce=function(){return this.m_maxForce},goog.exportProperty(box2d.b2MotorJoint.prototype,"GetMaxForce",box2d.b2MotorJoint.prototype.GetMaxForce),box2d.b2MotorJoint.prototype.SetMaxTorque=function(o){box2d.ENABLE_ASSERTS&&box2d.b2Assert(box2d.b2IsValid(o)&&0<=o),this.m_maxTorque=o},goog.exportProperty(box2d.b2MotorJoint.prototype,"SetMaxTorque",box2d.b2MotorJoint.prototype.SetMaxTorque),box2d.b2MotorJoint.prototype.GetMaxTorque=function(){return this.m_maxTorque},goog.exportProperty(box2d.b2MotorJoint.prototype,"GetMaxTorque",box2d.b2MotorJoint.prototype.GetMaxTorque),box2d.b2MotorJoint.prototype.InitVelocityConstraints=function(o){this.m_indexA=this.m_bodyA.m_islandIndex,this.m_indexB=this.m_bodyB.m_islandIndex,this.m_localCenterA.Copy(this.m_bodyA.m_sweep.localCenter),this.m_localCenterB.Copy(this.m_bodyB.m_sweep.localCenter),this.m_invMassA=this.m_bodyA.m_invMass,this.m_invMassB=this.m_bodyB.m_invMass,this.m_invIA=this.m_bodyA.m_invI,this.m_invIB=this.m_bodyB.m_invI;var t=o.positions[this.m_indexA].c,e=o.positions[this.m_indexA].a,r=o.velocities[this.m_indexA].v,i=o.velocities[this.m_indexA].w,b=o.positions[this.m_indexB].c,n=o.positions[this.m_indexB].a,p=o.velocities[this.m_indexB].v,s=o.velocities[this.m_indexB].w,a=this.m_qA.SetAngle(e),d=this.m_qB.SetAngle(n),l=box2d.b2Mul_R_V2(a,box2d.b2Vec2.s_t0.Copy(this.m_localCenterA).SelfNeg(),this.m_rA),x=(d=box2d.b2Mul_R_V2(d,box2d.b2Vec2.s_t0.Copy(this.m_localCenterB).SelfNeg(),this.m_rB),this.m_invMassA),y=this.m_invMassB,c=this.m_invIA,_=this.m_invIB,m=this.m_K;m.ex.x=x+y+c*l.y*l.y+_*d.y*d.y,m.ex.y=-c*l.x*l.y-_*d.x*d.y,m.ey.x=m.ex.y,m.ey.y=x+y+c*l.x*l.x+_*d.x*d.x,m.GetInverse(this.m_linearMass),this.m_angularMass=c+_,0<this.m_angularMass&&(this.m_angularMass=1/this.m_angularMass),box2d.b2Sub_V2_V2(box2d.b2Sub_V2_V2(box2d.b2Add_V2_V2(b,d,box2d.b2Vec2.s_t0),box2d.b2Add_V2_V2(t,l,box2d.b2Vec2.s_t1),box2d.b2Vec2.s_t2),box2d.b2Mul_R_V2(a,this.m_linearOffset,box2d.b2Vec2.s_t3),this.m_linearError),this.m_angularError=n-e-this.m_angularOffset,o.step.warmStarting?(this.m_linearImpulse.SelfMul(o.step.dtRatio),this.m_angularImpulse*=o.step.dtRatio,t=this.m_linearImpulse,r.SelfMulSub(x,t),i-=c*(box2d.b2Cross_V2_V2(l,t)+this.m_angularImpulse),p.SelfMulAdd(y,t),s+=_*(box2d.b2Cross_V2_V2(d,t)+this.m_angularImpulse)):(this.m_linearImpulse.SetZero(),this.m_angularImpulse=0),o.velocities[this.m_indexA].w=i,o.velocities[this.m_indexB].w=s},goog.exportProperty(box2d.b2MotorJoint.prototype,"InitVelocityConstraints",box2d.b2MotorJoint.prototype.InitVelocityConstraints),box2d.b2MotorJoint.prototype.SolveVelocityConstraints=function(o){var t=o.velocities[this.m_indexA].v,e=o.velocities[this.m_indexA].w,r=o.velocities[this.m_indexB].v,i=o.velocities[this.m_indexB].w,b=this.m_invMassA,n=this.m_invMassB,p=this.m_invIA,s=this.m_invIB,a=o.step.dt,d=o.step.inv_dt,l=i-e+d*this.m_correctionFactor*this.m_angularError,x=(l=-this.m_angularMass*l,this.m_angularImpulse),y=a*this.m_maxTorque;this.m_angularImpulse=box2d.b2Clamp(this.m_angularImpulse+l,-y,y);e-=p*(l=this.m_angularImpulse-x),i+=s*l;var c=this.m_rA,_=this.m_rB;l=box2d.b2Add_V2_V2(box2d.b2Sub_V2_V2(box2d.b2Add_V2_V2(r,box2d.b2Cross_S_V2(i,_,box2d.b2Vec2.s_t0),box2d.b2Vec2.s_t0),box2d.b2Add_V2_V2(t,box2d.b2Cross_S_V2(e,c,box2d.b2Vec2.s_t1),box2d.b2Vec2.s_t1),box2d.b2Vec2.s_t2),box2d.b2Mul_S_V2(d*this.m_correctionFactor,this.m_linearError,box2d.b2Vec2.s_t3),box2d.b2MotorJoint.prototype.SolveVelocityConstraints.s_Cdot),l=box2d.b2Mul_M22_V2(this.m_linearMass,l,box2d.b2MotorJoint.prototype.SolveVelocityConstraints.s_impulse).SelfNeg(),x=box2d.b2MotorJoint.prototype.SolveVelocityConstraints.s_oldImpulse.Copy(this.m_linearImpulse);this.m_linearImpulse.SelfAdd(l),y=a*this.m_maxForce,this.m_linearImpulse.LengthSquared()>y*y&&(this.m_linearImpulse.Normalize(),this.m_linearImpulse.SelfMul(y)),box2d.b2Sub_V2_V2(this.m_linearImpulse,x,l),t.SelfMulSub(b,l),e-=p*box2d.b2Cross_V2_V2(c,l),r.SelfMulAdd(n,l),i+=s*box2d.b2Cross_V2_V2(_,l),o.velocities[this.m_indexA].w=e,o.velocities[this.m_indexB].w=i},goog.exportProperty(box2d.b2MotorJoint.prototype,"SolveVelocityConstraints",box2d.b2MotorJoint.prototype.SolveVelocityConstraints),box2d.b2MotorJoint.prototype.SolveVelocityConstraints.s_Cdot=new box2d.b2Vec2,box2d.b2MotorJoint.prototype.SolveVelocityConstraints.s_impulse=new box2d.b2Vec2,box2d.b2MotorJoint.prototype.SolveVelocityConstraints.s_oldImpulse=new box2d.b2Vec2,box2d.b2MotorJoint.prototype.SolvePositionConstraints=function(o){return!0},goog.exportProperty(box2d.b2MotorJoint.prototype,"SolvePositionConstraints",box2d.b2MotorJoint.prototype.SolvePositionConstraints),box2d.b2MotorJoint.prototype.Dump=function(){if(box2d.DEBUG){var o=this.m_bodyA.m_islandIndex,t=this.m_bodyB.m_islandIndex;box2d.b2Log("  /*box2d.b2MotorJointDef*/ var jd = new box2d.b2MotorJointDef();\n"),box2d.b2Log("  jd.bodyA = bodies[%d];\n",o),box2d.b2Log("  jd.bodyB = bodies[%d];\n",t),box2d.b2Log("  jd.collideConnected = %s;\n",this.m_collideConnected?"true":"false"),box2d.b2Log("  jd.linearOffset.Set(%.15f, %.15f);\n",this.m_linearOffset.x,this.m_linearOffset.y),box2d.b2Log("  jd.angularOffset = %.15f;\n",this.m_angularOffset),box2d.b2Log("  jd.maxForce = %.15f;\n",this.m_maxForce),box2d.b2Log("  jd.maxTorque = %.15f;\n",this.m_maxTorque),box2d.b2Log("  jd.correctionFactor = %.15f;\n",this.m_correctionFactor),box2d.b2Log("  joints[%d] = this.m_world.CreateJoint(jd);\n",this.m_index)}},goog.exportProperty(box2d.b2MotorJoint.prototype,"Dump",box2d.b2MotorJoint.prototype.Dump),box2d.b2MouseJointDef=function(){box2d.b2JointDef.call(this,box2d.b2JointType.e_mouseJoint),this.target=new box2d.b2Vec2},goog.inherits(box2d.b2MouseJointDef,box2d.b2JointDef),goog.exportSymbol("box2d.b2MouseJointDef",box2d.b2MouseJointDef),box2d.b2MouseJointDef.prototype.target=null,goog.exportProperty(box2d.b2MouseJointDef.prototype,"target",box2d.b2MouseJointDef.prototype.target),box2d.b2MouseJointDef.prototype.maxForce=0,goog.exportProperty(box2d.b2MouseJointDef.prototype,"maxForce",box2d.b2MouseJointDef.prototype.maxForce),box2d.b2MouseJointDef.prototype.frequencyHz=5,goog.exportProperty(box2d.b2MouseJointDef.prototype,"frequencyHz",box2d.b2MouseJointDef.prototype.frequencyHz),box2d.b2MouseJointDef.prototype.dampingRatio=.7,goog.exportProperty(box2d.b2MouseJointDef.prototype,"dampingRatio",box2d.b2MouseJointDef.prototype.dampingRatio),box2d.b2MouseJoint=function(o){box2d.b2Joint.call(this,o),this.m_localAnchorB=new box2d.b2Vec2,this.m_targetA=new box2d.b2Vec2,this.m_impulse=new box2d.b2Vec2,this.m_rB=new box2d.b2Vec2,this.m_localCenterB=new box2d.b2Vec2,this.m_mass=new box2d.b2Mat22,this.m_C=new box2d.b2Vec2,this.m_qB=new box2d.b2Rot,this.m_lalcB=new box2d.b2Vec2,this.m_K=new box2d.b2Mat22,box2d.ENABLE_ASSERTS&&box2d.b2Assert(o.target.IsValid()),box2d.ENABLE_ASSERTS&&box2d.b2Assert(box2d.b2IsValid(o.maxForce)&&0<=o.maxForce),box2d.ENABLE_ASSERTS&&box2d.b2Assert(box2d.b2IsValid(o.frequencyHz)&&0<=o.frequencyHz),box2d.ENABLE_ASSERTS&&box2d.b2Assert(box2d.b2IsValid(o.dampingRatio)&&0<=o.dampingRatio),this.m_targetA.Copy(o.target),box2d.b2MulT_X_V2(this.m_bodyB.GetTransform(),this.m_targetA,this.m_localAnchorB),this.m_maxForce=o.maxForce,this.m_impulse.SetZero(),this.m_frequencyHz=o.frequencyHz,this.m_dampingRatio=o.dampingRatio,this.m_gamma=this.m_beta=0},goog.inherits(box2d.b2MouseJoint,box2d.b2Joint),goog.exportSymbol("box2d.b2MouseJoint",box2d.b2MouseJoint),box2d.b2MouseJoint.prototype.m_localAnchorB=null,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_localAnchorB",box2d.b2MouseJoint.prototype.m_localAnchorB),box2d.b2MouseJoint.prototype.m_targetA=null,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_targetA",box2d.b2MouseJoint.prototype.m_targetA),box2d.b2MouseJoint.prototype.m_frequencyHz=0,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_frequencyHz",box2d.b2MouseJoint.prototype.m_frequencyHz),box2d.b2MouseJoint.prototype.m_dampingRatio=0,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_dampingRatio",box2d.b2MouseJoint.prototype.m_dampingRatio),box2d.b2MouseJoint.prototype.m_beta=0,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_beta",box2d.b2MouseJoint.prototype.m_beta);box2d.b2MouseJoint.prototype.m_impulse=null,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_impulse",box2d.b2MouseJoint.prototype.m_impulse),box2d.b2MouseJoint.prototype.m_maxForce=0,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_maxForce",box2d.b2MouseJoint.prototype.m_maxForce),box2d.b2MouseJoint.prototype.m_gamma=0,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_gamma",box2d.b2MouseJoint.prototype.m_gamma),box2d.b2MouseJoint.prototype.m_indexA=0,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_indexA",box2d.b2MouseJoint.prototype.m_indexA),box2d.b2MouseJoint.prototype.m_indexB=0,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_indexB",box2d.b2MouseJoint.prototype.m_indexB),box2d.b2MouseJoint.prototype.m_rB=null,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_rB",box2d.b2MouseJoint.prototype.m_rB),box2d.b2MouseJoint.prototype.m_localCenterB=null,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_localCenterB",box2d.b2MouseJoint.prototype.m_localCenterB),box2d.b2MouseJoint.prototype.m_invMassB=0,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_invMassB",box2d.b2MouseJoint.prototype.m_invMassB),box2d.b2MouseJoint.prototype.m_invIB=0,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_invIB",box2d.b2MouseJoint.prototype.m_invIB),box2d.b2MouseJoint.prototype.m_mass=null,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_mass",box2d.b2MouseJoint.prototype.m_mass),box2d.b2MouseJoint.prototype.m_C=null,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_C",box2d.b2MouseJoint.prototype.m_C),box2d.b2MouseJoint.prototype.m_qB=null,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_qB",box2d.b2MouseJoint.prototype.m_qB),box2d.b2MouseJoint.prototype.m_lalcB=null,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_lalcB",box2d.b2MouseJoint.prototype.m_lalcB),box2d.b2MouseJoint.prototype.m_K=null,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_K",box2d.b2MouseJoint.prototype.m_K),box2d.b2MouseJoint.prototype.SetTarget=function(o){this.m_bodyB.IsAwake()||this.m_bodyB.SetAwake(!0),this.m_targetA.Copy(o)},goog.exportProperty(box2d.b2MouseJoint.prototype,"SetTarget",box2d.b2MouseJoint.prototype.SetTarget),box2d.b2MouseJoint.prototype.GetTarget=function(o){return o.Copy(this.m_targetA)},goog.exportProperty(box2d.b2MouseJoint.prototype,"GetTarget",box2d.b2MouseJoint.prototype.GetTarget),box2d.b2MouseJoint.prototype.SetMaxForce=function(o){this.m_maxForce=o},goog.exportProperty(box2d.b2MouseJoint.prototype,"SetMaxForce",box2d.b2MouseJoint.prototype.SetMaxForce),box2d.b2MouseJoint.prototype.GetMaxForce=function(){return this.m_maxForce},goog.exportProperty(box2d.b2MouseJoint.prototype,"GetMaxForce",box2d.b2MouseJoint.prototype.GetMaxForce),box2d.b2MouseJoint.prototype.SetFrequency=function(o){this.m_frequencyHz=o},goog.exportProperty(box2d.b2MouseJoint.prototype,"SetFrequency",box2d.b2MouseJoint.prototype.SetFrequency),box2d.b2MouseJoint.prototype.GetFrequency=function(){return this.m_frequencyHz},goog.exportProperty(box2d.b2MouseJoint.prototype,"GetFrequency",box2d.b2MouseJoint.prototype.GetFrequency),box2d.b2MouseJoint.prototype.SetDampingRatio=function(o){this.m_dampingRatio=o},goog.exportProperty(box2d.b2MouseJoint.prototype,"SetDampingRatio",box2d.b2MouseJoint.prototype.SetDampingRatio),box2d.b2MouseJoint.prototype.GetDampingRatio=function(){return this.m_dampingRatio},goog.exportProperty(box2d.b2MouseJoint.prototype,"GetDampingRatio",box2d.b2MouseJoint.prototype.GetDampingRatio),box2d.b2MouseJoint.prototype.InitVelocityConstraints=function(o){this.m_indexB=this.m_bodyB.m_islandIndex,this.m_localCenterB.Copy(this.m_bodyB.m_sweep.localCenter),this.m_invMassB=this.m_bodyB.m_invMass,this.m_invIB=this.m_bodyB.m_invI;var t=o.positions[this.m_indexB].c,e=o.velocities[this.m_indexB].v,r=o.velocities[this.m_indexB].w,i=this.m_qB.SetAngle(o.positions[this.m_indexB].a),b=this.m_bodyB.GetMass(),n=2*box2d.b2_pi*this.m_frequencyHz,p=2*b*this.m_dampingRatio*n;b=b*n*n,n=o.step.dt;box2d.ENABLE_ASSERTS&&box2d.b2Assert(p+n*b>box2d.b2_epsilon),this.m_gamma=n*(p+n*b),0!==this.m_gamma&&(this.m_gamma=1/this.m_gamma),this.m_beta=n*b*this.m_gamma,box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_localCenterB,this.m_lalcB),box2d.b2Mul_R_V2(i,this.m_lalcB,this.m_rB),(i=this.m_K).ex.x=this.m_invMassB+this.m_invIB*this.m_rB.y*this.m_rB.y+this.m_gamma,i.ex.y=-this.m_invIB*this.m_rB.x*this.m_rB.y,i.ey.x=i.ex.y,i.ey.y=this.m_invMassB+this.m_invIB*this.m_rB.x*this.m_rB.x+this.m_gamma,i.GetInverse(this.m_mass),this.m_C.x=t.x+this.m_rB.x-this.m_targetA.x,this.m_C.y=t.y+this.m_rB.y-this.m_targetA.y,this.m_C.SelfMul(this.m_beta),r*=.98,o.step.warmStarting?(this.m_impulse.SelfMul(o.step.dtRatio),e.x+=this.m_invMassB*this.m_impulse.x,e.y+=this.m_invMassB*this.m_impulse.y,r+=this.m_invIB*box2d.b2Cross_V2_V2(this.m_rB,this.m_impulse)):this.m_impulse.SetZero(),o.velocities[this.m_indexB].w=r},goog.exportProperty(box2d.b2MouseJoint.prototype,"InitVelocityConstraints",box2d.b2MouseJoint.prototype.InitVelocityConstraints),box2d.b2MouseJoint.prototype.SolveVelocityConstraints=function(o){var t=o.velocities[this.m_indexB].v,e=o.velocities[this.m_indexB].w,r=box2d.b2AddCross_V2_S_V2(t,e,this.m_rB,box2d.b2MouseJoint.prototype.SolveVelocityConstraints.s_Cdot),i=(r=box2d.b2Mul_M22_V2(this.m_mass,box2d.b2Add_V2_V2(r,box2d.b2Add_V2_V2(this.m_C,box2d.b2Mul_S_V2(this.m_gamma,this.m_impulse,box2d.b2Vec2.s_t0),box2d.b2Vec2.s_t0),box2d.b2Vec2.s_t0).SelfNeg(),box2d.b2MouseJoint.prototype.SolveVelocityConstraints.s_impulse),box2d.b2MouseJoint.prototype.SolveVelocityConstraints.s_oldImpulse.Copy(this.m_impulse));this.m_impulse.SelfAdd(r);var b=o.step.dt*this.m_maxForce;this.m_impulse.LengthSquared()>b*b&&this.m_impulse.SelfMul(b/this.m_impulse.Length()),box2d.b2Sub_V2_V2(this.m_impulse,i,r),t.SelfMulAdd(this.m_invMassB,r),e+=this.m_invIB*box2d.b2Cross_V2_V2(this.m_rB,r),o.velocities[this.m_indexB].w=e},goog.exportProperty(box2d.b2MouseJoint.prototype,"SolveVelocityConstraints",box2d.b2MouseJoint.prototype.SolveVelocityConstraints),box2d.b2MouseJoint.prototype.SolveVelocityConstraints.s_Cdot=new box2d.b2Vec2,box2d.b2MouseJoint.prototype.SolveVelocityConstraints.s_impulse=new box2d.b2Vec2,box2d.b2MouseJoint.prototype.SolveVelocityConstraints.s_oldImpulse=new box2d.b2Vec2,box2d.b2MouseJoint.prototype.SolvePositionConstraints=function(o){return!0},goog.exportProperty(box2d.b2MouseJoint.prototype,"SolvePositionConstraints",box2d.b2MouseJoint.prototype.SolvePositionConstraints),box2d.b2MouseJoint.prototype.GetAnchorA=function(o){return o.Copy(this.m_targetA)},goog.exportProperty(box2d.b2MouseJoint.prototype,"GetAnchorA",box2d.b2MouseJoint.prototype.GetAnchorA),box2d.b2MouseJoint.prototype.GetAnchorB=function(o){return this.m_bodyB.GetWorldPoint(this.m_localAnchorB,o)},goog.exportProperty(box2d.b2MouseJoint.prototype,"GetAnchorB",box2d.b2MouseJoint.prototype.GetAnchorB),box2d.b2MouseJoint.prototype.GetReactionForce=function(o,t){return box2d.b2Mul_S_V2(o,this.m_impulse,t)},goog.exportProperty(box2d.b2MouseJoint.prototype,"GetReactionForce",box2d.b2MouseJoint.prototype.GetReactionForce),box2d.b2MouseJoint.prototype.GetReactionTorque=function(o){return 0},goog.exportProperty(box2d.b2MouseJoint.prototype,"GetReactionTorque",box2d.b2MouseJoint.prototype.GetReactionTorque),box2d.b2MouseJoint.prototype.Dump=function(){box2d.DEBUG&&box2d.b2Log("Mouse joint dumping is not supported.\n")},goog.exportProperty(box2d.b2MouseJoint.prototype,"Dump",box2d.b2MouseJoint.prototype.Dump),box2d.b2MouseJoint.prototype.ShiftOrigin=function(o){this.m_targetA.SelfSub(o)},goog.exportProperty(box2d.b2MouseJoint.prototype,"ShiftOrigin",box2d.b2MouseJoint.prototype.ShiftOrigin),box2d.b2PrismaticJointDef=function(){box2d.b2JointDef.call(this,box2d.b2JointType.e_prismaticJoint),this.localAnchorA=new box2d.b2Vec2,this.localAnchorB=new box2d.b2Vec2,this.localAxisA=new box2d.b2Vec2(1,0)},goog.inherits(box2d.b2PrismaticJointDef,box2d.b2JointDef),goog.exportSymbol("box2d.b2PrismaticJointDef",box2d.b2PrismaticJointDef),box2d.b2PrismaticJointDef.prototype.localAnchorA=null,goog.exportProperty(box2d.b2PrismaticJointDef.prototype,"localAnchorA",box2d.b2PrismaticJointDef.prototype.localAnchorA),box2d.b2PrismaticJointDef.prototype.localAnchorB=null,goog.exportProperty(box2d.b2PrismaticJointDef.prototype,"localAnchorB",box2d.b2PrismaticJointDef.prototype.localAnchorB),box2d.b2PrismaticJointDef.prototype.localAxisA=null,goog.exportProperty(box2d.b2PrismaticJointDef.prototype,"localAxisA",box2d.b2PrismaticJointDef.prototype.localAxisA),box2d.b2PrismaticJointDef.prototype.referenceAngle=0,goog.exportProperty(box2d.b2PrismaticJointDef.prototype,"referenceAngle",box2d.b2PrismaticJointDef.prototype.referenceAngle),box2d.b2PrismaticJointDef.prototype.enableLimit=!1,goog.exportProperty(box2d.b2PrismaticJointDef.prototype,"enableLimit",box2d.b2PrismaticJointDef.prototype.enableLimit),box2d.b2PrismaticJointDef.prototype.lowerTranslation=0,goog.exportProperty(box2d.b2PrismaticJointDef.prototype,"lowerTranslation",box2d.b2PrismaticJointDef.prototype.lowerTranslation),box2d.b2PrismaticJointDef.prototype.upperTranslation=0,goog.exportProperty(box2d.b2PrismaticJointDef.prototype,"upperTranslation",box2d.b2PrismaticJointDef.prototype.upperTranslation),box2d.b2PrismaticJointDef.prototype.enableMotor=!1,goog.exportProperty(box2d.b2PrismaticJointDef.prototype,"enableMotor",box2d.b2PrismaticJointDef.prototype.enableMotor),box2d.b2PrismaticJointDef.prototype.maxMotorForce=0,goog.exportProperty(box2d.b2PrismaticJointDef.prototype,"maxMotorForce",box2d.b2PrismaticJointDef.prototype.maxMotorForce),box2d.b2PrismaticJointDef.prototype.motorSpeed=0,goog.exportProperty(box2d.b2PrismaticJointDef.prototype,"motorSpeed",box2d.b2PrismaticJointDef.prototype.motorSpeed),box2d.b2PrismaticJointDef.prototype.Initialize=function(o,t,e,r){this.bodyA=o,this.bodyB=t,this.bodyA.GetLocalPoint(e,this.localAnchorA),this.bodyB.GetLocalPoint(e,this.localAnchorB),this.bodyA.GetLocalVector(r,this.localAxisA),this.referenceAngle=this.bodyB.GetAngle()-this.bodyA.GetAngle()},goog.exportProperty(box2d.b2PrismaticJointDef.prototype,"Initialize",box2d.b2PrismaticJointDef.prototype.Initialize),box2d.b2PrismaticJoint=function(o){box2d.b2Joint.call(this,o),this.m_localAnchorA=o.localAnchorA.Clone(),this.m_localAnchorB=o.localAnchorB.Clone(),this.m_localXAxisA=o.localAxisA.Clone().SelfNormalize(),this.m_localYAxisA=box2d.b2Cross_S_V2(1,this.m_localXAxisA,new box2d.b2Vec2),this.m_referenceAngle=o.referenceAngle,this.m_impulse=new box2d.b2Vec3(0,0,0),this.m_lowerTranslation=o.lowerTranslation,this.m_upperTranslation=o.upperTranslation,this.m_maxMotorForce=o.maxMotorForce,this.m_motorSpeed=o.motorSpeed,this.m_enableLimit=o.enableLimit,this.m_enableMotor=o.enableMotor,this.m_localCenterA=new box2d.b2Vec2,this.m_localCenterB=new box2d.b2Vec2,this.m_axis=new box2d.b2Vec2(0,0),this.m_perp=new box2d.b2Vec2(0,0),this.m_K=new box2d.b2Mat33,this.m_K3=new box2d.b2Mat33,this.m_K2=new box2d.b2Mat22,this.m_qA=new box2d.b2Rot,this.m_qB=new box2d.b2Rot,this.m_lalcA=new box2d.b2Vec2,this.m_lalcB=new box2d.b2Vec2,this.m_rA=new box2d.b2Vec2,this.m_rB=new box2d.b2Vec2},goog.inherits(box2d.b2PrismaticJoint,box2d.b2Joint),goog.exportSymbol("box2d.b2PrismaticJoint",box2d.b2PrismaticJoint),box2d.b2PrismaticJoint.prototype.m_localAnchorA=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_localAnchorA",box2d.b2PrismaticJoint.prototype.m_localAnchorA),box2d.b2PrismaticJoint.prototype.m_localAnchorB=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_localAnchorB",box2d.b2PrismaticJoint.prototype.m_localAnchorB),box2d.b2PrismaticJoint.prototype.m_localXAxisA=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_localXAxisA",box2d.b2PrismaticJoint.prototype.m_localXAxisA),box2d.b2PrismaticJoint.prototype.m_localYAxisA=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_localYAxisA",box2d.b2PrismaticJoint.prototype.m_localYAxisA),box2d.b2PrismaticJoint.prototype.m_referenceAngle=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_referenceAngle",box2d.b2PrismaticJoint.prototype.m_referenceAngle),box2d.b2PrismaticJoint.prototype.m_impulse=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_impulse",box2d.b2PrismaticJoint.prototype.m_impulse),box2d.b2PrismaticJoint.prototype.m_motorImpulse=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_motorImpulse",box2d.b2PrismaticJoint.prototype.m_motorImpulse),box2d.b2PrismaticJoint.prototype.m_lowerTranslation=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_lowerTranslation",box2d.b2PrismaticJoint.prototype.m_lowerTranslation),box2d.b2PrismaticJoint.prototype.m_upperTranslation=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_upperTranslation",box2d.b2PrismaticJoint.prototype.m_upperTranslation),box2d.b2PrismaticJoint.prototype.m_maxMotorForce=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_maxMotorForce",box2d.b2PrismaticJoint.prototype.m_maxMotorForce),box2d.b2PrismaticJoint.prototype.m_motorSpeed=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_motorSpeed",box2d.b2PrismaticJoint.prototype.m_motorSpeed),box2d.b2PrismaticJoint.prototype.m_enableLimit=!1,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_enableLimit",box2d.b2PrismaticJoint.prototype.m_enableLimit),box2d.b2PrismaticJoint.prototype.m_enableMotor=!1,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_enableMotor",box2d.b2PrismaticJoint.prototype.m_enableMotor),box2d.b2PrismaticJoint.prototype.m_limitState=box2d.b2LimitState.e_inactiveLimit,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_limitState",box2d.b2PrismaticJoint.prototype.m_limitState),box2d.b2PrismaticJoint.prototype.m_indexA=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_indexA",box2d.b2PrismaticJoint.prototype.m_indexA),box2d.b2PrismaticJoint.prototype.m_indexB=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_indexB",box2d.b2PrismaticJoint.prototype.m_indexB),box2d.b2PrismaticJoint.prototype.m_localCenterA=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_localCenterA",box2d.b2PrismaticJoint.prototype.m_localCenterA),box2d.b2PrismaticJoint.prototype.m_localCenterB=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_localCenterB",box2d.b2PrismaticJoint.prototype.m_localCenterB),box2d.b2PrismaticJoint.prototype.m_invMassA=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_invMassA",box2d.b2PrismaticJoint.prototype.m_invMassA),box2d.b2PrismaticJoint.prototype.m_invMassB=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_invMassB",box2d.b2PrismaticJoint.prototype.m_invMassB),box2d.b2PrismaticJoint.prototype.m_invIA=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_invIA",box2d.b2PrismaticJoint.prototype.m_invIA),box2d.b2PrismaticJoint.prototype.m_invIB=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_invIB",box2d.b2PrismaticJoint.prototype.m_invIB),box2d.b2PrismaticJoint.prototype.m_axis=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_axis",box2d.b2PrismaticJoint.prototype.m_axis),box2d.b2PrismaticJoint.prototype.m_perp=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_perp",box2d.b2PrismaticJoint.prototype.m_perp),box2d.b2PrismaticJoint.prototype.m_s1=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_s1",box2d.b2PrismaticJoint.prototype.m_s1),box2d.b2PrismaticJoint.prototype.m_s2=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_s2",box2d.b2PrismaticJoint.prototype.m_s2),box2d.b2PrismaticJoint.prototype.m_a1=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_a1",box2d.b2PrismaticJoint.prototype.m_a1),box2d.b2PrismaticJoint.prototype.m_a2=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_a2",box2d.b2PrismaticJoint.prototype.m_a2),box2d.b2PrismaticJoint.prototype.m_K=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_K",box2d.b2PrismaticJoint.prototype.m_K),box2d.b2PrismaticJoint.prototype.m_K3=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_K3",box2d.b2PrismaticJoint.prototype.m_K3),box2d.b2PrismaticJoint.prototype.m_K2=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_K2",box2d.b2PrismaticJoint.prototype.m_K2),box2d.b2PrismaticJoint.prototype.m_motorMass=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_motorMass",box2d.b2PrismaticJoint.prototype.m_motorMass),box2d.b2PrismaticJoint.prototype.m_qA=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_qA",box2d.b2PrismaticJoint.prototype.m_qA),box2d.b2PrismaticJoint.prototype.m_qB=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_qB",box2d.b2PrismaticJoint.prototype.m_qB),box2d.b2PrismaticJoint.prototype.m_lalcA=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_lalcA",box2d.b2PrismaticJoint.prototype.m_lalcA),box2d.b2PrismaticJoint.prototype.m_lalcB=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_lalcB",box2d.b2PrismaticJoint.prototype.m_lalcB),box2d.b2PrismaticJoint.prototype.m_rA=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_rA",box2d.b2PrismaticJoint.prototype.m_rA),box2d.b2PrismaticJoint.prototype.m_rB=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_rB",box2d.b2PrismaticJoint.prototype.m_rB),box2d.b2PrismaticJoint.prototype.InitVelocityConstraints=function(o){this.m_indexA=this.m_bodyA.m_islandIndex,this.m_indexB=this.m_bodyB.m_islandIndex,this.m_localCenterA.Copy(this.m_bodyA.m_sweep.localCenter),this.m_localCenterB.Copy(this.m_bodyB.m_sweep.localCenter),this.m_invMassA=this.m_bodyA.m_invMass,this.m_invMassB=this.m_bodyB.m_invMass,this.m_invIA=this.m_bodyA.m_invI,this.m_invIB=this.m_bodyB.m_invI;var t=o.positions[this.m_indexA].c,e=o.velocities[this.m_indexA].v,r=o.velocities[this.m_indexA].w,i=o.positions[this.m_indexB].c,b=o.positions[this.m_indexB].a,n=o.velocities[this.m_indexB].v,p=o.velocities[this.m_indexB].w,s=this.m_qA.SetAngle(o.positions[this.m_indexA].a);b=this.m_qB.SetAngle(b);box2d.b2Sub_V2_V2(this.m_localAnchorA,this.m_localCenterA,this.m_lalcA);var a=box2d.b2Mul_R_V2(s,this.m_lalcA,this.m_rA);box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_localCenterB,this.m_lalcB);var d=box2d.b2Mul_R_V2(b,this.m_lalcB,this.m_rB),l=box2d.b2Add_V2_V2(box2d.b2Sub_V2_V2(i,t,box2d.b2Vec2.s_t0),box2d.b2Sub_V2_V2(d,a,box2d.b2Vec2.s_t1),box2d.b2PrismaticJoint.prototype.InitVelocityConstraints.s_d),x=(t=this.m_invMassA,i=this.m_invMassB,b=this.m_invIA,this.m_invIB);box2d.b2Mul_R_V2(s,this.m_localXAxisA,this.m_axis),this.m_a1=box2d.b2Cross_V2_V2(box2d.b2Add_V2_V2(l,a,box2d.b2Vec2.s_t0),this.m_axis),this.m_a2=box2d.b2Cross_V2_V2(d,this.m_axis),this.m_motorMass=t+i+b*this.m_a1*this.m_a1+x*this.m_a2*this.m_a2,0<this.m_motorMass&&(this.m_motorMass=1/this.m_motorMass),box2d.b2Mul_R_V2(s,this.m_localYAxisA,this.m_perp),this.m_s1=box2d.b2Cross_V2_V2(box2d.b2Add_V2_V2(l,a,box2d.b2Vec2.s_t0),this.m_perp),this.m_s2=box2d.b2Cross_V2_V2(d,this.m_perp),this.m_K.ex.x=t+i+b*this.m_s1*this.m_s1+x*this.m_s2*this.m_s2,this.m_K.ex.y=b*this.m_s1+x*this.m_s2,this.m_K.ex.z=b*this.m_s1*this.m_a1+x*this.m_s2*this.m_a2,this.m_K.ey.x=this.m_K.ex.y,this.m_K.ey.y=b+x,0===this.m_K.ey.y&&(this.m_K.ey.y=1),this.m_K.ey.z=b*this.m_a1+x*this.m_a2,this.m_K.ez.x=this.m_K.ex.z,this.m_K.ez.y=this.m_K.ey.z,this.m_K.ez.z=t+i+b*this.m_a1*this.m_a1+x*this.m_a2*this.m_a2,this.m_enableLimit?(s=box2d.b2Dot_V2_V2(this.m_axis,l),box2d.b2Abs(this.m_upperTranslation-this.m_lowerTranslation)<2*box2d.b2_linearSlop?this.m_limitState=box2d.b2LimitState.e_equalLimits:s<=this.m_lowerTranslation?this.m_limitState!==box2d.b2LimitState.e_atLowerLimit&&(this.m_limitState=box2d.b2LimitState.e_atLowerLimit,this.m_impulse.z=0):s>=this.m_upperTranslation?this.m_limitState!==box2d.b2LimitState.e_atUpperLimit&&(this.m_limitState=box2d.b2LimitState.e_atUpperLimit,this.m_impulse.z=0):(this.m_limitState=box2d.b2LimitState.e_inactiveLimit,this.m_impulse.z=0)):(this.m_limitState=box2d.b2LimitState.e_inactiveLimit,this.m_impulse.z=0),this.m_enableMotor||(this.m_motorImpulse=0),o.step.warmStarting?(this.m_impulse.SelfMulScalar(o.step.dtRatio),this.m_motorImpulse*=o.step.dtRatio,s=box2d.b2Add_V2_V2(box2d.b2Mul_S_V2(this.m_impulse.x,this.m_perp,box2d.b2Vec2.s_t0),box2d.b2Mul_S_V2(this.m_motorImpulse+this.m_impulse.z,this.m_axis,box2d.b2Vec2.s_t1),box2d.b2PrismaticJoint.prototype.InitVelocityConstraints.s_P),a=this.m_impulse.x*this.m_s1+this.m_impulse.y+(this.m_motorImpulse+this.m_impulse.z)*this.m_a1,d=this.m_impulse.x*this.m_s2+this.m_impulse.y+(this.m_motorImpulse+this.m_impulse.z)*this.m_a2,e.SelfMulSub(t,s),r-=b*a,n.SelfMulAdd(i,s),p+=x*d):(this.m_impulse.SetZero(),this.m_motorImpulse=0),o.velocities[this.m_indexA].w=r,o.velocities[this.m_indexB].w=p},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"InitVelocityConstraints",box2d.b2PrismaticJoint.prototype.InitVelocityConstraints),box2d.b2PrismaticJoint.prototype.InitVelocityConstraints.s_d=new box2d.b2Vec2,box2d.b2PrismaticJoint.prototype.InitVelocityConstraints.s_P=new box2d.b2Vec2,box2d.b2PrismaticJoint.prototype.SolveVelocityConstraints=function(o){var t=o.velocities[this.m_indexA].v,e=o.velocities[this.m_indexA].w,r=o.velocities[this.m_indexB].v,i=o.velocities[this.m_indexB].w,b=this.m_invMassA,n=this.m_invMassB,p=this.m_invIA,s=this.m_invIB;if(this.m_enableMotor&&this.m_limitState!==box2d.b2LimitState.e_equalLimits){var a=box2d.b2Dot_V2_V2(this.m_axis,box2d.b2Sub_V2_V2(r,t,box2d.b2Vec2.s_t0))+this.m_a2*i-this.m_a1*e,d=(a=this.m_motorMass*(this.m_motorSpeed-a),this.m_motorImpulse),l=o.step.dt*this.m_maxMotorForce;this.m_motorImpulse=box2d.b2Clamp(this.m_motorImpulse+a,-l,l),a=this.m_motorImpulse-d,d=box2d.b2Mul_S_V2(a,this.m_axis,box2d.b2PrismaticJoint.prototype.SolveVelocityConstraints.s_P),l=a*this.m_a1,a*=this.m_a2,t.SelfMulSub(b,d),e-=p*l,r.SelfMulAdd(n,d),i+=s*a}l=box2d.b2Dot_V2_V2(this.m_perp,box2d.b2Sub_V2_V2(r,t,box2d.b2Vec2.s_t0))+this.m_s2*i-this.m_s1*e;var x=i-e;this.m_enableLimit&&this.m_limitState!==box2d.b2LimitState.e_inactiveLimit?(a=box2d.b2Dot_V2_V2(this.m_axis,box2d.b2Sub_V2_V2(r,t,box2d.b2Vec2.s_t0))+this.m_a2*i-this.m_a1*e,d=box2d.b2PrismaticJoint.prototype.SolveVelocityConstraints.s_f1.Copy(this.m_impulse),a=this.m_K.Solve33(-l,-x,-a,box2d.b2PrismaticJoint.prototype.SolveVelocityConstraints.s_df3),this.m_impulse.SelfAdd(a),this.m_limitState===box2d.b2LimitState.e_atLowerLimit?this.m_impulse.z=box2d.b2Max(this.m_impulse.z,0):this.m_limitState===box2d.b2LimitState.e_atUpperLimit&&(this.m_impulse.z=box2d.b2Min(this.m_impulse.z,0)),(l=this.m_K.Solve22(-l-(this.m_impulse.z-d.z)*this.m_K.ez.x,-x-(this.m_impulse.z-d.z)*this.m_K.ez.y,box2d.b2PrismaticJoint.prototype.SolveVelocityConstraints.s_f2r)).x+=d.x,l.y+=d.y,this.m_impulse.x=l.x,this.m_impulse.y=l.y,a.x=this.m_impulse.x-d.x,a.y=this.m_impulse.y-d.y,a.z=this.m_impulse.z-d.z,d=box2d.b2Add_V2_V2(box2d.b2Mul_S_V2(a.x,this.m_perp,box2d.b2Vec2.s_t0),box2d.b2Mul_S_V2(a.z,this.m_axis,box2d.b2Vec2.s_t1),box2d.b2PrismaticJoint.prototype.SolveVelocityConstraints.s_P),l=a.x*this.m_s1+a.y+a.z*this.m_a1,a=a.x*this.m_s2+a.y+a.z*this.m_a2):(a=this.m_K.Solve22(-l,-x,box2d.b2PrismaticJoint.prototype.SolveVelocityConstraints.s_df2),this.m_impulse.x+=a.x,this.m_impulse.y+=a.y,d=box2d.b2Mul_S_V2(a.x,this.m_perp,box2d.b2PrismaticJoint.prototype.SolveVelocityConstraints.s_P),l=a.x*this.m_s1+a.y,a=a.x*this.m_s2+a.y),t.SelfMulSub(b,d),e-=p*l,r.SelfMulAdd(n,d),o.velocities[this.m_indexA].w=e,o.velocities[this.m_indexB].w=i+s*a},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"SolveVelocityConstraints",box2d.b2PrismaticJoint.prototype.SolveVelocityConstraints),box2d.b2PrismaticJoint.prototype.SolveVelocityConstraints.s_P=new box2d.b2Vec2,box2d.b2PrismaticJoint.prototype.SolveVelocityConstraints.s_f2r=new box2d.b2Vec2,box2d.b2PrismaticJoint.prototype.SolveVelocityConstraints.s_f1=new box2d.b2Vec3,box2d.b2PrismaticJoint.prototype.SolveVelocityConstraints.s_df3=new box2d.b2Vec3,box2d.b2PrismaticJoint.prototype.SolveVelocityConstraints.s_df2=new box2d.b2Vec2,box2d.b2PrismaticJoint.prototype.SolvePositionConstraints=function(o){var t=o.positions[this.m_indexA].c,e=o.positions[this.m_indexA].a,r=o.positions[this.m_indexB].c,i=o.positions[this.m_indexB].a,b=this.m_qA.SetAngle(e),n=this.m_qB.SetAngle(i),p=this.m_invMassA,s=this.m_invMassB,a=this.m_invIA,d=this.m_invIB,l=box2d.b2Mul_R_V2(b,this.m_lalcA,this.m_rA),x=box2d.b2Mul_R_V2(n,this.m_lalcB,this.m_rB),y=box2d.b2Sub_V2_V2(box2d.b2Add_V2_V2(r,x,box2d.b2Vec2.s_t0),box2d.b2Add_V2_V2(t,l,box2d.b2Vec2.s_t1),box2d.b2PrismaticJoint.prototype.SolvePositionConstraints.s_d),c=box2d.b2Mul_R_V2(b,this.m_localXAxisA,this.m_axis),_=box2d.b2Cross_V2_V2(box2d.b2Add_V2_V2(y,l,box2d.b2Vec2.s_t0),c),m=(n=box2d.b2Cross_V2_V2(x,c),b=box2d.b2Mul_R_V2(b,this.m_localYAxisA,this.m_perp),box2d.b2Cross_V2_V2(box2d.b2Add_V2_V2(y,l,box2d.b2Vec2.s_t0),b)),u=box2d.b2Cross_V2_V2(x,b),h=box2d.b2PrismaticJoint.prototype.SolvePositionConstraints.s_impulse,g=box2d.b2Dot_V2_V2(b,y),f=i-e-this.m_referenceAngle,S=(l=box2d.b2Abs(g),x=box2d.b2Abs(f),!1),P=0;if(this.m_enableLimit&&(y=box2d.b2Dot_V2_V2(c,y),box2d.b2Abs(this.m_upperTranslation-this.m_lowerTranslation)<2*box2d.b2_linearSlop?(P=box2d.b2Clamp(y,-box2d.b2_maxLinearCorrection,box2d.b2_maxLinearCorrection),l=box2d.b2Max(l,box2d.b2Abs(y)),S=!0):y<=this.m_lowerTranslation?(P=box2d.b2Clamp(y-this.m_lowerTranslation+box2d.b2_linearSlop,-box2d.b2_maxLinearCorrection,0),l=box2d.b2Max(l,this.m_lowerTranslation-y),S=!0):y>=this.m_upperTranslation&&(P=box2d.b2Clamp(y-this.m_upperTranslation-box2d.b2_linearSlop,0,box2d.b2_maxLinearCorrection),l=box2d.b2Max(l,y-this.m_upperTranslation),S=!0)),S){y=a*m+d*u;var C=a*m*_+d*u*n;0===(S=a+d)&&(S=1);var A=a*_+d*n,B=p+s+a*_*_+d*n*n,v=this.m_K3;v.ex.Set(p+s+a*m*m+d*u*u,y,C),v.ey.Set(y,S,A),v.ez.Set(C,A,B),h=v.Solve33(-g,-f,-P,h)}else y=a*m+d*u,0===(S=a+d)&&(S=1),(P=this.m_K2).ex.Set(p+s+a*m*m+d*u*u,y),P.ey.Set(y,S),g=P.Solve(-g,-f,box2d.b2PrismaticJoint.prototype.SolvePositionConstraints.s_impulse1),h.x=g.x,h.y=g.y,h.z=0;return c=box2d.b2Add_V2_V2(box2d.b2Mul_S_V2(h.x,b,box2d.b2Vec2.s_t0),box2d.b2Mul_S_V2(h.z,c,box2d.b2Vec2.s_t1),box2d.b2PrismaticJoint.prototype.SolvePositionConstraints.s_P),_=h.x*m+h.y+h.z*_,n=h.x*u+h.y+h.z*n,t.SelfMulSub(p,c),e-=a*_,r.SelfMulAdd(s,c),o.positions[this.m_indexA].a=e,o.positions[this.m_indexB].a=i+d*n,l<=box2d.b2_linearSlop&&x<=box2d.b2_angularSlop},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"SolvePositionConstraints",box2d.b2PrismaticJoint.prototype.SolvePositionConstraints),box2d.b2PrismaticJoint.prototype.SolvePositionConstraints.s_d=new box2d.b2Vec2,box2d.b2PrismaticJoint.prototype.SolvePositionConstraints.s_impulse=new box2d.b2Vec3,box2d.b2PrismaticJoint.prototype.SolvePositionConstraints.s_impulse1=new box2d.b2Vec2,box2d.b2PrismaticJoint.prototype.SolvePositionConstraints.s_P=new box2d.b2Vec2,box2d.b2PrismaticJoint.prototype.GetAnchorA=function(o){return this.m_bodyA.GetWorldPoint(this.m_localAnchorA,o)},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetAnchorA",box2d.b2PrismaticJoint.prototype.GetAnchorA),box2d.b2PrismaticJoint.prototype.GetAnchorB=function(o){return this.m_bodyB.GetWorldPoint(this.m_localAnchorB,o)},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetAnchorB",box2d.b2PrismaticJoint.prototype.GetAnchorB),box2d.b2PrismaticJoint.prototype.GetReactionForce=function(o,t){return t.Set(o*(this.m_impulse.x*this.m_perp.x+(this.m_motorImpulse+this.m_impulse.z)*this.m_axis.x),o*(this.m_impulse.x*this.m_perp.y+(this.m_motorImpulse+this.m_impulse.z)*this.m_axis.y))},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetReactionForce",box2d.b2PrismaticJoint.prototype.GetReactionForce),box2d.b2PrismaticJoint.prototype.GetReactionTorque=function(o){return o*this.m_impulse.y},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetReactionTorque",box2d.b2PrismaticJoint.prototype.GetReactionTorque),box2d.b2PrismaticJoint.prototype.GetLocalAnchorA=function(o){return o.Copy(this.m_localAnchorA)},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetLocalAnchorA",box2d.b2PrismaticJoint.prototype.GetLocalAnchorA),box2d.b2PrismaticJoint.prototype.GetLocalAnchorB=function(o){return o.Copy(this.m_localAnchorB)},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetLocalAnchorB",box2d.b2PrismaticJoint.prototype.GetLocalAnchorB),box2d.b2PrismaticJoint.prototype.GetLocalAxisA=function(o){return o.Copy(this.m_localXAxisA)},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetLocalAxisA",box2d.b2PrismaticJoint.prototype.GetLocalAxisA),box2d.b2PrismaticJoint.prototype.GetReferenceAngle=function(){return this.m_referenceAngle},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetReferenceAngle",box2d.b2PrismaticJoint.prototype.GetReferenceAngle),box2d.b2PrismaticJoint.prototype.GetJointTranslation=function(){var o=this.m_bodyA.GetWorldPoint(this.m_localAnchorA,box2d.b2PrismaticJoint.prototype.GetJointTranslation.s_pA),t=this.m_bodyB.GetWorldPoint(this.m_localAnchorB,box2d.b2PrismaticJoint.prototype.GetJointTranslation.s_pB);o=box2d.b2Sub_V2_V2(t,o,box2d.b2PrismaticJoint.prototype.GetJointTranslation.s_d),t=this.m_bodyA.GetWorldVector(this.m_localXAxisA,box2d.b2PrismaticJoint.prototype.GetJointTranslation.s_axis);return box2d.b2Dot_V2_V2(o,t)},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetJointTranslation",box2d.b2PrismaticJoint.prototype.GetJointTranslation),box2d.b2PrismaticJoint.prototype.GetJointTranslation.s_pA=new box2d.b2Vec2,box2d.b2PrismaticJoint.prototype.GetJointTranslation.s_pB=new box2d.b2Vec2,box2d.b2PrismaticJoint.prototype.GetJointTranslation.s_d=new box2d.b2Vec2,box2d.b2PrismaticJoint.prototype.GetJointTranslation.s_axis=new box2d.b2Vec2,box2d.b2PrismaticJoint.prototype.GetJointSpeed=function(){var o=this.m_bodyA,t=this.m_bodyB;box2d.b2Sub_V2_V2(this.m_localAnchorA,o.m_sweep.localCenter,this.m_lalcA);var e=box2d.b2Mul_R_V2(o.m_xf.q,this.m_lalcA,this.m_rA);box2d.b2Sub_V2_V2(this.m_localAnchorB,t.m_sweep.localCenter,this.m_lalcB);var r=box2d.b2Mul_R_V2(t.m_xf.q,this.m_lalcB,this.m_rB),i=box2d.b2Add_V2_V2(o.m_sweep.c,e,box2d.b2Vec2.s_t0),b=box2d.b2Add_V2_V2(t.m_sweep.c,r,box2d.b2Vec2.s_t1),n=(i=box2d.b2Sub_V2_V2(b,i,box2d.b2Vec2.s_t2),b=o.GetWorldVector(this.m_localXAxisA,this.m_axis),o.m_linearVelocity),p=t.m_linearVelocity;o=o.m_angularVelocity,t=t.m_angularVelocity;return box2d.b2Dot_V2_V2(i,box2d.b2Cross_S_V2(o,b,box2d.b2Vec2.s_t0))+box2d.b2Dot_V2_V2(b,box2d.b2Sub_V2_V2(box2d.b2AddCross_V2_S_V2(p,t,r,box2d.b2Vec2.s_t0),box2d.b2AddCross_V2_S_V2(n,o,e,box2d.b2Vec2.s_t1),box2d.b2Vec2.s_t0))},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetJointSpeed",box2d.b2PrismaticJoint.prototype.GetJointSpeed),box2d.b2PrismaticJoint.prototype.IsLimitEnabled=function(){return this.m_enableLimit},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"IsLimitEnabled",box2d.b2PrismaticJoint.prototype.IsLimitEnabled),box2d.b2PrismaticJoint.prototype.EnableLimit=function(o){o!==this.m_enableLimit&&(this.m_bodyA.SetAwake(!0),this.m_bodyB.SetAwake(!0),this.m_enableLimit=o,this.m_impulse.z=0)},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"EnableLimit",box2d.b2PrismaticJoint.prototype.EnableLimit),box2d.b2PrismaticJoint.prototype.GetLowerLimit=function(){return this.m_lowerTranslation},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetLowerLimit",box2d.b2PrismaticJoint.prototype.GetLowerLimit),box2d.b2PrismaticJoint.prototype.GetUpperLimit=function(){return this.m_upperTranslation},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetUpperLimit",box2d.b2PrismaticJoint.prototype.GetUpperLimit),box2d.b2PrismaticJoint.prototype.SetLimits=function(o,t){o===this.m_lowerTranslation&&t===this.m_upperTranslation||(this.m_bodyA.SetAwake(!0),this.m_bodyB.SetAwake(!0),this.m_lowerTranslation=o,this.m_upperTranslation=t,this.m_impulse.z=0)},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"SetLimits",box2d.b2PrismaticJoint.prototype.SetLimits),box2d.b2PrismaticJoint.prototype.IsMotorEnabled=function(){return this.m_enableMotor},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"IsMotorEnabled",box2d.b2PrismaticJoint.prototype.IsMotorEnabled),box2d.b2PrismaticJoint.prototype.EnableMotor=function(o){this.m_bodyA.SetAwake(!0),this.m_bodyB.SetAwake(!0),this.m_enableMotor=o},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"EnableMotor",box2d.b2PrismaticJoint.prototype.EnableMotor),box2d.b2PrismaticJoint.prototype.SetMotorSpeed=function(o){this.m_bodyA.SetAwake(!0),this.m_bodyB.SetAwake(!0),this.m_motorSpeed=o},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"SetMotorSpeed",box2d.b2PrismaticJoint.prototype.SetMotorSpeed),box2d.b2PrismaticJoint.prototype.GetMotorSpeed=function(){return this.m_motorSpeed},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetMotorSpeed",box2d.b2PrismaticJoint.prototype.GetMotorSpeed),box2d.b2PrismaticJoint.prototype.SetMaxMotorForce=function(o){this.m_bodyA.SetAwake(!0),this.m_bodyB.SetAwake(!0),this.m_maxMotorForce=o},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"SetMaxMotorForce",box2d.b2PrismaticJoint.prototype.SetMaxMotorForce),box2d.b2PrismaticJoint.prototype.GetMaxMotorForce=function(){return this.m_maxMotorForce},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetMaxMotorForce",box2d.b2PrismaticJoint.prototype.GetMaxMotorForce),box2d.b2PrismaticJoint.prototype.GetMotorForce=function(o){return o*this.m_motorImpulse},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetMotorForce",box2d.b2PrismaticJoint.prototype.GetMotorForce),box2d.b2PrismaticJoint.prototype.Dump=function(){if(box2d.DEBUG){var o=this.m_bodyA.m_islandIndex,t=this.m_bodyB.m_islandIndex;box2d.b2Log("  /*box2d.b2PrismaticJointDef*/ var jd = new box2d.b2PrismaticJointDef();\n"),box2d.b2Log("  jd.bodyA = bodies[%d];\n",o),box2d.b2Log("  jd.bodyB = bodies[%d];\n",t),box2d.b2Log("  jd.collideConnected = %s;\n",this.m_collideConnected?"true":"false"),box2d.b2Log("  jd.localAnchorA.Set(%.15f, %.15f);\n",this.m_localAnchorA.x,this.m_localAnchorA.y),box2d.b2Log("  jd.localAnchorB.Set(%.15f, %.15f);\n",this.m_localAnchorB.x,this.m_localAnchorB.y),box2d.b2Log("  jd.localAxisA.Set(%.15f, %.15f);\n",this.m_localXAxisA.x,this.m_localXAxisA.y),box2d.b2Log("  jd.referenceAngle = %.15f;\n",this.m_referenceAngle),box2d.b2Log("  jd.enableLimit = %s;\n",this.m_enableLimit?"true":"false"),box2d.b2Log("  jd.lowerTranslation = %.15f;\n",this.m_lowerTranslation),box2d.b2Log("  jd.upperTranslation = %.15f;\n",this.m_upperTranslation),box2d.b2Log("  jd.enableMotor = %s;\n",this.m_enableMotor?"true":"false"),box2d.b2Log("  jd.motorSpeed = %.15f;\n",this.m_motorSpeed),box2d.b2Log("  jd.maxMotorForce = %.15f;\n",this.m_maxMotorForce),box2d.b2Log("  joints[%d] = this.m_world.CreateJoint(jd);\n",this.m_index)}},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"Dump",box2d.b2PrismaticJoint.prototype.Dump),box2d.b2_minPulleyLength=2,goog.exportSymbol("box2d.b2_minPulleyLength",box2d.b2_minPulleyLength),box2d.b2PulleyJointDef=function(){box2d.b2JointDef.call(this,box2d.b2JointType.e_pulleyJoint),this.collideConnected=!0,this.groundAnchorA=new box2d.b2Vec2(-1,1),this.groundAnchorB=new box2d.b2Vec2(1,1),this.localAnchorA=new box2d.b2Vec2(-1,0),this.localAnchorB=new box2d.b2Vec2(1,0)},goog.inherits(box2d.b2PulleyJointDef,box2d.b2JointDef),goog.exportSymbol("box2d.b2PulleyJointDef",box2d.b2PulleyJointDef),box2d.b2PulleyJointDef.prototype.groundAnchorA=null,goog.exportProperty(box2d.b2PulleyJointDef.prototype,"groundAnchorA",box2d.b2PulleyJointDef.prototype.groundAnchorA),box2d.b2PulleyJointDef.prototype.groundAnchorB=null,goog.exportProperty(box2d.b2PulleyJointDef.prototype,"groundAnchorB",box2d.b2PulleyJointDef.prototype.groundAnchorB),box2d.b2PulleyJointDef.prototype.localAnchorA=null,goog.exportProperty(box2d.b2PulleyJointDef.prototype,"localAnchorA",box2d.b2PulleyJointDef.prototype.localAnchorA),box2d.b2PulleyJointDef.prototype.localAnchorB=null,goog.exportProperty(box2d.b2PulleyJointDef.prototype,"localAnchorB",box2d.b2PulleyJointDef.prototype.localAnchorB),box2d.b2PulleyJointDef.prototype.lengthA=0,goog.exportProperty(box2d.b2PulleyJointDef.prototype,"lengthA",box2d.b2PulleyJointDef.prototype.lengthA),box2d.b2PulleyJointDef.prototype.lengthB=0,goog.exportProperty(box2d.b2PulleyJointDef.prototype,"lengthB",box2d.b2PulleyJointDef.prototype.lengthB),box2d.b2PulleyJointDef.prototype.ratio=1,goog.exportProperty(box2d.b2PulleyJointDef.prototype,"ratio",box2d.b2PulleyJointDef.prototype.ratio),box2d.b2PulleyJointDef.prototype.Initialize=function(o,t,e,r,i,b,n){this.bodyA=o,this.bodyB=t,this.groundAnchorA.Copy(e),this.groundAnchorB.Copy(r),this.bodyA.GetLocalPoint(i,this.localAnchorA),this.bodyB.GetLocalPoint(b,this.localAnchorB),this.lengthA=box2d.b2Distance(i,e),this.lengthB=box2d.b2Distance(b,r),this.ratio=n,box2d.ENABLE_ASSERTS&&box2d.b2Assert(this.ratio>box2d.b2_epsilon)},goog.exportProperty(box2d.b2PulleyJointDef.prototype,"Initialize",box2d.b2PulleyJointDef.prototype.Initialize),box2d.b2PulleyJoint=function(o){box2d.b2Joint.call(this,o),this.m_groundAnchorA=new box2d.b2Vec2,this.m_groundAnchorB=new box2d.b2Vec2,this.m_localAnchorA=new box2d.b2Vec2,this.m_localAnchorB=new box2d.b2Vec2,this.m_uA=new box2d.b2Vec2,this.m_uB=new box2d.b2Vec2,this.m_rA=new box2d.b2Vec2,this.m_rB=new box2d.b2Vec2,this.m_localCenterA=new box2d.b2Vec2,this.m_localCenterB=new box2d.b2Vec2,this.m_qA=new box2d.b2Rot,this.m_qB=new box2d.b2Rot,this.m_lalcA=new box2d.b2Vec2,this.m_lalcB=new box2d.b2Vec2,this.m_groundAnchorA.Copy(o.groundAnchorA),this.m_groundAnchorB.Copy(o.groundAnchorB),this.m_localAnchorA.Copy(o.localAnchorA),this.m_localAnchorB.Copy(o.localAnchorB),this.m_lengthA=o.lengthA,this.m_lengthB=o.lengthB,box2d.ENABLE_ASSERTS&&box2d.b2Assert(0!==o.ratio),this.m_ratio=o.ratio,this.m_constant=o.lengthA+this.m_ratio*o.lengthB,this.m_impulse=0},goog.inherits(box2d.b2PulleyJoint,box2d.b2Joint),goog.exportSymbol("box2d.b2PulleyJoint",box2d.b2PulleyJoint),box2d.b2PulleyJoint.prototype.m_groundAnchorA=null,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_groundAnchorA",box2d.b2PulleyJoint.prototype.m_groundAnchorA),box2d.b2PulleyJoint.prototype.m_groundAnchorB=null,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_groundAnchorB",box2d.b2PulleyJoint.prototype.m_groundAnchorB),box2d.b2PulleyJoint.prototype.m_lengthA=0,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_lengthA",box2d.b2PulleyJoint.prototype.m_lengthA),box2d.b2PulleyJoint.prototype.m_lengthB=0,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_lengthB",box2d.b2PulleyJoint.prototype.m_lengthB),box2d.b2PulleyJoint.prototype.m_localAnchorA=null,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_localAnchorA",box2d.b2PulleyJoint.prototype.m_localAnchorA),box2d.b2PulleyJoint.prototype.m_localAnchorB=null,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_localAnchorB",box2d.b2PulleyJoint.prototype.m_localAnchorB),box2d.b2PulleyJoint.prototype.m_constant=0,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_constant",box2d.b2PulleyJoint.prototype.m_constant),box2d.b2PulleyJoint.prototype.m_ratio=0,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_ratio",box2d.b2PulleyJoint.prototype.m_ratio),box2d.b2PulleyJoint.prototype.m_impulse=0,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_impulse",box2d.b2PulleyJoint.prototype.m_impulse),box2d.b2PulleyJoint.prototype.m_indexA=0,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_indexA",box2d.b2PulleyJoint.prototype.m_indexA),box2d.b2PulleyJoint.prototype.m_indexB=0,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_indexB",box2d.b2PulleyJoint.prototype.m_indexB),box2d.b2PulleyJoint.prototype.m_uA=null,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_uA",box2d.b2PulleyJoint.prototype.m_uA),box2d.b2PulleyJoint.prototype.m_uB=null,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_uB",box2d.b2PulleyJoint.prototype.m_uB),box2d.b2PulleyJoint.prototype.m_rA=null,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_rA",box2d.b2PulleyJoint.prototype.m_rA),box2d.b2PulleyJoint.prototype.m_rB=null,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_rB",box2d.b2PulleyJoint.prototype.m_rB),box2d.b2PulleyJoint.prototype.m_localCenterA=null,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_localCenterA",box2d.b2PulleyJoint.prototype.m_localCenterA),box2d.b2PulleyJoint.prototype.m_localCenterB=null,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_localCenterB",box2d.b2PulleyJoint.prototype.m_localCenterB),box2d.b2PulleyJoint.prototype.m_invMassA=0,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_invMassA",box2d.b2PulleyJoint.prototype.m_invMassA),box2d.b2PulleyJoint.prototype.m_invMassB=0,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_invMassB",box2d.b2PulleyJoint.prototype.m_invMassB),box2d.b2PulleyJoint.prototype.m_invIA=0,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_invIA",box2d.b2PulleyJoint.prototype.m_invIA),box2d.b2PulleyJoint.prototype.m_invIB=0,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_invIB",box2d.b2PulleyJoint.prototype.m_invIB),box2d.b2PulleyJoint.prototype.m_mass=0,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_mass",box2d.b2PulleyJoint.prototype.m_mass),box2d.b2PulleyJoint.prototype.m_qA=null,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_qA",box2d.b2PulleyJoint.prototype.m_qA),box2d.b2PulleyJoint.prototype.m_qB=null,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_qB",box2d.b2PulleyJoint.prototype.m_qB),box2d.b2PulleyJoint.prototype.m_lalcA=null,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_lalcA",box2d.b2PulleyJoint.prototype.m_lalcA),box2d.b2PulleyJoint.prototype.m_lalcB=null,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_lalcB",box2d.b2PulleyJoint.prototype.m_lalcB),box2d.b2PulleyJoint.prototype.InitVelocityConstraints=function(o){this.m_indexA=this.m_bodyA.m_islandIndex,this.m_indexB=this.m_bodyB.m_islandIndex,this.m_localCenterA.Copy(this.m_bodyA.m_sweep.localCenter),this.m_localCenterB.Copy(this.m_bodyB.m_sweep.localCenter),this.m_invMassA=this.m_bodyA.m_invMass,this.m_invMassB=this.m_bodyB.m_invMass,this.m_invIA=this.m_bodyA.m_invI,this.m_invIB=this.m_bodyB.m_invI;var t=o.positions[this.m_indexA].c,e=o.velocities[this.m_indexA].v,r=o.velocities[this.m_indexA].w,i=o.positions[this.m_indexB].c,b=o.positions[this.m_indexB].a,n=o.velocities[this.m_indexB].v,p=o.velocities[this.m_indexB].w,s=this.m_qA.SetAngle(o.positions[this.m_indexA].a);b=this.m_qB.SetAngle(b);box2d.b2Sub_V2_V2(this.m_localAnchorA,this.m_localCenterA,this.m_lalcA),box2d.b2Mul_R_V2(s,this.m_lalcA,this.m_rA),box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_localCenterB,this.m_lalcB),box2d.b2Mul_R_V2(b,this.m_lalcB,this.m_rB),this.m_uA.Copy(t).SelfAdd(this.m_rA).SelfSub(this.m_groundAnchorA),this.m_uB.Copy(i).SelfAdd(this.m_rB).SelfSub(this.m_groundAnchorB),t=this.m_uA.Length(),i=this.m_uB.Length(),t>10*box2d.b2_linearSlop?this.m_uA.SelfMul(1/t):this.m_uA.SetZero(),i>10*box2d.b2_linearSlop?this.m_uB.SelfMul(1/i):this.m_uB.SetZero(),t=box2d.b2Cross_V2_V2(this.m_rA,this.m_uA),i=box2d.b2Cross_V2_V2(this.m_rB,this.m_uB),this.m_mass=this.m_invMassA+this.m_invIA*t*t+this.m_ratio*this.m_ratio*(this.m_invMassB+this.m_invIB*i*i),0<this.m_mass&&(this.m_mass=1/this.m_mass),o.step.warmStarting?(this.m_impulse*=o.step.dtRatio,t=box2d.b2Mul_S_V2(-this.m_impulse,this.m_uA,box2d.b2PulleyJoint.prototype.InitVelocityConstraints.s_PA),i=box2d.b2Mul_S_V2(-this.m_ratio*this.m_impulse,this.m_uB,box2d.b2PulleyJoint.prototype.InitVelocityConstraints.s_PB),e.SelfMulAdd(this.m_invMassA,t),r+=this.m_invIA*box2d.b2Cross_V2_V2(this.m_rA,t),n.SelfMulAdd(this.m_invMassB,i),p+=this.m_invIB*box2d.b2Cross_V2_V2(this.m_rB,i)):this.m_impulse=0,o.velocities[this.m_indexA].w=r,o.velocities[this.m_indexB].w=p},goog.exportProperty(box2d.b2PulleyJoint.prototype,"InitVelocityConstraints",box2d.b2PulleyJoint.prototype.InitVelocityConstraints),box2d.b2PulleyJoint.prototype.InitVelocityConstraints.s_PA=new box2d.b2Vec2,box2d.b2PulleyJoint.prototype.InitVelocityConstraints.s_PB=new box2d.b2Vec2,box2d.b2PulleyJoint.prototype.SolveVelocityConstraints=function(o){var t=o.velocities[this.m_indexA].v,e=o.velocities[this.m_indexA].w,r=o.velocities[this.m_indexB].v,i=o.velocities[this.m_indexB].w,b=box2d.b2AddCross_V2_S_V2(t,e,this.m_rA,box2d.b2PulleyJoint.prototype.SolveVelocityConstraints.s_vpA),n=box2d.b2AddCross_V2_S_V2(r,i,this.m_rB,box2d.b2PulleyJoint.prototype.SolveVelocityConstraints.s_vpB);b=-box2d.b2Dot_V2_V2(this.m_uA,b)-this.m_ratio*box2d.b2Dot_V2_V2(this.m_uB,n),n=-this.m_mass*b;this.m_impulse+=n,b=box2d.b2Mul_S_V2(-n,this.m_uA,box2d.b2PulleyJoint.prototype.SolveVelocityConstraints.s_PA),n=box2d.b2Mul_S_V2(-this.m_ratio*n,this.m_uB,box2d.b2PulleyJoint.prototype.SolveVelocityConstraints.s_PB),t.SelfMulAdd(this.m_invMassA,b),e+=this.m_invIA*box2d.b2Cross_V2_V2(this.m_rA,b),r.SelfMulAdd(this.m_invMassB,n),i+=this.m_invIB*box2d.b2Cross_V2_V2(this.m_rB,n),o.velocities[this.m_indexA].w=e,o.velocities[this.m_indexB].w=i},goog.exportProperty(box2d.b2PulleyJoint.prototype,"SolveVelocityConstraints",box2d.b2PulleyJoint.prototype.SolveVelocityConstraints),box2d.b2PulleyJoint.prototype.SolveVelocityConstraints.s_vpA=new box2d.b2Vec2,box2d.b2PulleyJoint.prototype.SolveVelocityConstraints.s_vpB=new box2d.b2Vec2,box2d.b2PulleyJoint.prototype.SolveVelocityConstraints.s_PA=new box2d.b2Vec2,box2d.b2PulleyJoint.prototype.SolveVelocityConstraints.s_PB=new box2d.b2Vec2,box2d.b2PulleyJoint.prototype.SolvePositionConstraints=function(o){var t=o.positions[this.m_indexA].c,e=o.positions[this.m_indexA].a,r=o.positions[this.m_indexB].c,i=o.positions[this.m_indexB].a,b=this.m_qA.SetAngle(e),n=this.m_qB.SetAngle(i);box2d.b2Sub_V2_V2(this.m_localAnchorA,this.m_localCenterA,this.m_lalcA),b=box2d.b2Mul_R_V2(b,this.m_lalcA,this.m_rA),box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_localCenterB,this.m_lalcB);n=box2d.b2Mul_R_V2(n,this.m_lalcB,this.m_rB);var p=this.m_uA.Copy(t).SelfAdd(b).SelfSub(this.m_groundAnchorA),s=this.m_uB.Copy(r).SelfAdd(n).SelfSub(this.m_groundAnchorB),a=p.Length(),d=s.Length();a>10*box2d.b2_linearSlop?p.SelfMul(1/a):p.SetZero(),d>10*box2d.b2_linearSlop?s.SelfMul(1/d):s.SetZero();var l=box2d.b2Cross_V2_V2(b,p),x=box2d.b2Cross_V2_V2(n,s);return 0<(l=this.m_invMassA+this.m_invIA*l*l+this.m_ratio*this.m_ratio*(this.m_invMassB+this.m_invIB*x*x))&&(l=1/l),d=this.m_constant-a-this.m_ratio*d,a=box2d.b2Abs(d),d*=-l,p=box2d.b2Mul_S_V2(-d,p,box2d.b2PulleyJoint.prototype.SolvePositionConstraints.s_PA),s=box2d.b2Mul_S_V2(-this.m_ratio*d,s,box2d.b2PulleyJoint.prototype.SolvePositionConstraints.s_PB),t.SelfMulAdd(this.m_invMassA,p),e+=this.m_invIA*box2d.b2Cross_V2_V2(b,p),r.SelfMulAdd(this.m_invMassB,s),i+=this.m_invIB*box2d.b2Cross_V2_V2(n,s),o.positions[this.m_indexA].a=e,o.positions[this.m_indexB].a=i,a<box2d.b2_linearSlop},goog.exportProperty(box2d.b2PulleyJoint.prototype,"SolvePositionConstraints",box2d.b2PulleyJoint.prototype.SolvePositionConstraints),box2d.b2PulleyJoint.prototype.SolvePositionConstraints.s_PA=new box2d.b2Vec2,box2d.b2PulleyJoint.prototype.SolvePositionConstraints.s_PB=new box2d.b2Vec2,box2d.b2PulleyJoint.prototype.GetAnchorA=function(o){return this.m_bodyA.GetWorldPoint(this.m_localAnchorA,o)},goog.exportProperty(box2d.b2PulleyJoint.prototype,"GetAnchorA",box2d.b2PulleyJoint.prototype.GetAnchorA),box2d.b2PulleyJoint.prototype.GetAnchorB=function(o){return this.m_bodyB.GetWorldPoint(this.m_localAnchorB,o)},goog.exportProperty(box2d.b2PulleyJoint.prototype,"GetAnchorB",box2d.b2PulleyJoint.prototype.GetAnchorB),box2d.b2PulleyJoint.prototype.GetReactionForce=function(o,t){return t.Set(o*this.m_impulse*this.m_uB.x,o*this.m_impulse*this.m_uB.y)},goog.exportProperty(box2d.b2PulleyJoint.prototype,"GetReactionForce",box2d.b2PulleyJoint.prototype.GetReactionForce),box2d.b2PulleyJoint.prototype.GetReactionTorque=function(o){return 0},goog.exportProperty(box2d.b2PulleyJoint.prototype,"GetReactionTorque",box2d.b2PulleyJoint.prototype.GetReactionTorque),box2d.b2PulleyJoint.prototype.GetGroundAnchorA=function(o){return o.Copy(this.m_groundAnchorA)},goog.exportProperty(box2d.b2PulleyJoint.prototype,"GetGroundAnchorA",box2d.b2PulleyJoint.prototype.GetGroundAnchorA),box2d.b2PulleyJoint.prototype.GetGroundAnchorB=function(o){return o.Copy(this.m_groundAnchorB)},goog.exportProperty(box2d.b2PulleyJoint.prototype,"GetGroundAnchorB",box2d.b2PulleyJoint.prototype.GetGroundAnchorB),box2d.b2PulleyJoint.prototype.GetLengthA=function(){return this.m_lengthA},goog.exportProperty(box2d.b2PulleyJoint.prototype,"GetLengthA",box2d.b2PulleyJoint.prototype.GetLengthA),box2d.b2PulleyJoint.prototype.GetLengthB=function(){return this.m_lengthB},goog.exportProperty(box2d.b2PulleyJoint.prototype,"GetLengthB",box2d.b2PulleyJoint.prototype.GetLengthB),box2d.b2PulleyJoint.prototype.GetRatio=function(){return this.m_ratio},goog.exportProperty(box2d.b2PulleyJoint.prototype,"GetRatio",box2d.b2PulleyJoint.prototype.GetRatio),box2d.b2PulleyJoint.prototype.GetCurrentLengthA=function(){var o=this.m_bodyA.GetWorldPoint(this.m_localAnchorA,box2d.b2PulleyJoint.prototype.GetCurrentLengthA.s_p);return box2d.b2Distance(o,this.m_groundAnchorA)},goog.exportProperty(box2d.b2PulleyJoint.prototype,"GetCurrentLengthA",box2d.b2PulleyJoint.prototype.GetCurrentLengthA),box2d.b2PulleyJoint.prototype.GetCurrentLengthA.s_p=new box2d.b2Vec2,box2d.b2PulleyJoint.prototype.GetCurrentLengthB=function(){var o=this.m_bodyB.GetWorldPoint(this.m_localAnchorB,box2d.b2PulleyJoint.prototype.GetCurrentLengthB.s_p);return box2d.b2Distance(o,this.m_groundAnchorB)},goog.exportProperty(box2d.b2PulleyJoint.prototype,"GetCurrentLengthB",box2d.b2PulleyJoint.prototype.GetCurrentLengthB),box2d.b2PulleyJoint.prototype.GetCurrentLengthB.s_p=new box2d.b2Vec2,box2d.b2PulleyJoint.prototype.Dump=function(){if(box2d.DEBUG){var o=this.m_bodyA.m_islandIndex,t=this.m_bodyB.m_islandIndex;box2d.b2Log("  /*box2d.b2PulleyJointDef*/ var jd = new box2d.b2PulleyJointDef();\n"),box2d.b2Log("  jd.bodyA = bodies[%d];\n",o),box2d.b2Log("  jd.bodyB = bodies[%d];\n",t),box2d.b2Log("  jd.collideConnected = %s;\n",this.m_collideConnected?"true":"false"),box2d.b2Log("  jd.groundAnchorA.Set(%.15f, %.15f);\n",this.m_groundAnchorA.x,this.m_groundAnchorA.y),box2d.b2Log("  jd.groundAnchorB.Set(%.15f, %.15f);\n",this.m_groundAnchorB.x,this.m_groundAnchorB.y),box2d.b2Log("  jd.localAnchorA.Set(%.15f, %.15f);\n",this.m_localAnchorA.x,this.m_localAnchorA.y),box2d.b2Log("  jd.localAnchorB.Set(%.15f, %.15f);\n",this.m_localAnchorB.x,this.m_localAnchorB.y),box2d.b2Log("  jd.lengthA = %.15f;\n",this.m_lengthA),box2d.b2Log("  jd.lengthB = %.15f;\n",this.m_lengthB),box2d.b2Log("  jd.ratio = %.15f;\n",this.m_ratio),box2d.b2Log("  joints[%d] = this.m_world.CreateJoint(jd);\n",this.m_index)}},goog.exportProperty(box2d.b2PulleyJoint.prototype,"Dump",box2d.b2PulleyJoint.prototype.Dump),box2d.b2PulleyJoint.prototype.ShiftOrigin=function(o){this.m_groundAnchorA.SelfSub(o),this.m_groundAnchorB.SelfSub(o)},goog.exportProperty(box2d.b2PulleyJoint.prototype,"ShiftOrigin",box2d.b2PulleyJoint.prototype.ShiftOrigin),box2d.b2RevoluteJointDef=function(){box2d.b2JointDef.call(this,box2d.b2JointType.e_revoluteJoint),this.localAnchorA=new box2d.b2Vec2(0,0),this.localAnchorB=new box2d.b2Vec2(0,0)},goog.inherits(box2d.b2RevoluteJointDef,box2d.b2JointDef),goog.exportSymbol("box2d.b2RevoluteJointDef",box2d.b2RevoluteJointDef),box2d.b2RevoluteJointDef.prototype.localAnchorA=null,goog.exportProperty(box2d.b2RevoluteJointDef.prototype,"localAnchorA",box2d.b2RevoluteJointDef.prototype.localAnchorA),box2d.b2RevoluteJointDef.prototype.localAnchorB=null,goog.exportProperty(box2d.b2RevoluteJointDef.prototype,"localAnchorB",box2d.b2RevoluteJointDef.prototype.localAnchorB),box2d.b2RevoluteJointDef.prototype.referenceAngle=0,goog.exportProperty(box2d.b2RevoluteJointDef.prototype,"referenceAngle",box2d.b2RevoluteJointDef.prototype.referenceAngle),box2d.b2RevoluteJointDef.prototype.enableLimit=!1,goog.exportProperty(box2d.b2RevoluteJointDef.prototype,"enableLimit",box2d.b2RevoluteJointDef.prototype.enableLimit),box2d.b2RevoluteJointDef.prototype.lowerAngle=0,goog.exportProperty(box2d.b2RevoluteJointDef.prototype,"lowerAngle",box2d.b2RevoluteJointDef.prototype.lowerAngle),box2d.b2RevoluteJointDef.prototype.upperAngle=0,goog.exportProperty(box2d.b2RevoluteJointDef.prototype,"upperAngle",box2d.b2RevoluteJointDef.prototype.upperAngle),box2d.b2RevoluteJointDef.prototype.enableMotor=!1,goog.exportProperty(box2d.b2RevoluteJointDef.prototype,"enableMotor",box2d.b2RevoluteJointDef.prototype.enableMotor),box2d.b2RevoluteJointDef.prototype.motorSpeed=0,goog.exportProperty(box2d.b2RevoluteJointDef.prototype,"motorSpeed",box2d.b2RevoluteJointDef.prototype.motorSpeed),box2d.b2RevoluteJointDef.prototype.maxMotorTorque=0,goog.exportProperty(box2d.b2RevoluteJointDef.prototype,"maxMotorTorque",box2d.b2RevoluteJointDef.prototype.maxMotorTorque),box2d.b2RevoluteJointDef.prototype.Initialize=function(o,t,e){this.bodyA=o,this.bodyB=t,this.bodyA.GetLocalPoint(e,this.localAnchorA),this.bodyB.GetLocalPoint(e,this.localAnchorB),this.referenceAngle=this.bodyB.GetAngle()-this.bodyA.GetAngle()},goog.exportProperty(box2d.b2RevoluteJointDef.prototype,"Initialize",box2d.b2RevoluteJointDef.prototype.Initialize),box2d.b2RevoluteJoint=function(o){box2d.b2Joint.call(this,o),this.m_localAnchorA=new box2d.b2Vec2,this.m_localAnchorB=new box2d.b2Vec2,this.m_impulse=new box2d.b2Vec3,this.m_rA=new box2d.b2Vec2,this.m_rB=new box2d.b2Vec2,this.m_localCenterA=new box2d.b2Vec2,this.m_localCenterB=new box2d.b2Vec2,this.m_mass=new box2d.b2Mat33,this.m_qA=new box2d.b2Rot,this.m_qB=new box2d.b2Rot,this.m_lalcA=new box2d.b2Vec2,this.m_lalcB=new box2d.b2Vec2,this.m_K=new box2d.b2Mat22,this.m_localAnchorA.Copy(o.localAnchorA),this.m_localAnchorB.Copy(o.localAnchorB),this.m_referenceAngle=o.referenceAngle,this.m_impulse.SetZero(),this.m_motorImpulse=0,this.m_lowerAngle=o.lowerAngle,this.m_upperAngle=o.upperAngle,this.m_maxMotorTorque=o.maxMotorTorque,this.m_motorSpeed=o.motorSpeed,this.m_enableLimit=o.enableLimit,this.m_enableMotor=o.enableMotor,this.m_limitState=box2d.b2LimitState.e_inactiveLimit},goog.inherits(box2d.b2RevoluteJoint,box2d.b2Joint),goog.exportSymbol("box2d.b2RevoluteJoint",box2d.b2RevoluteJoint),box2d.b2RevoluteJoint.prototype.m_localAnchorA=null,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_localAnchorA",box2d.b2RevoluteJoint.prototype.m_localAnchorA),box2d.b2RevoluteJoint.prototype.m_localAnchorB=null,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_localAnchorB",box2d.b2RevoluteJoint.prototype.m_localAnchorB),box2d.b2RevoluteJoint.prototype.m_impulse=null,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_impulse",box2d.b2RevoluteJoint.prototype.m_impulse),box2d.b2RevoluteJoint.prototype.m_motorImpulse=0,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_motorImpulse",box2d.b2RevoluteJoint.prototype.m_motorImpulse),box2d.b2RevoluteJoint.prototype.m_enableMotor=!1,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_enableMotor",box2d.b2RevoluteJoint.prototype.m_enableMotor),box2d.b2RevoluteJoint.prototype.m_maxMotorTorque=0,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_maxMotorTorque",box2d.b2RevoluteJoint.prototype.m_maxMotorTorque),box2d.b2RevoluteJoint.prototype.m_motorSpeed=0,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_motorSpeed",box2d.b2RevoluteJoint.prototype.m_motorSpeed),box2d.b2RevoluteJoint.prototype.m_enableLimit=!1,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_enableLimit",box2d.b2RevoluteJoint.prototype.m_enableLimit),box2d.b2RevoluteJoint.prototype.m_referenceAngle=0,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_referenceAngle",box2d.b2RevoluteJoint.prototype.m_referenceAngle),box2d.b2RevoluteJoint.prototype.m_lowerAngle=0,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_lowerAngle",box2d.b2RevoluteJoint.prototype.m_lowerAngle),box2d.b2RevoluteJoint.prototype.m_upperAngle=0,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_upperAngle",box2d.b2RevoluteJoint.prototype.m_upperAngle),box2d.b2RevoluteJoint.prototype.m_indexA=0,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_indexA",box2d.b2RevoluteJoint.prototype.m_indexA),box2d.b2RevoluteJoint.prototype.m_indexB=0,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_indexB",box2d.b2RevoluteJoint.prototype.m_indexB),box2d.b2RevoluteJoint.prototype.m_rA=null,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_rA",box2d.b2RevoluteJoint.prototype.m_rA),box2d.b2RevoluteJoint.prototype.m_rB=null,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_rB",box2d.b2RevoluteJoint.prototype.m_rB),box2d.b2RevoluteJoint.prototype.m_localCenterA=null,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_localCenterA",box2d.b2RevoluteJoint.prototype.m_localCenterA),box2d.b2RevoluteJoint.prototype.m_localCenterB=null,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_localCenterB",box2d.b2RevoluteJoint.prototype.m_localCenterB),box2d.b2RevoluteJoint.prototype.m_invMassA=0,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_invMassA",box2d.b2RevoluteJoint.prototype.m_invMassA),box2d.b2RevoluteJoint.prototype.m_invMassB=0,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_invMassB",box2d.b2RevoluteJoint.prototype.m_invMassB),box2d.b2RevoluteJoint.prototype.m_invIA=0,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_invIA",box2d.b2RevoluteJoint.prototype.m_invIA),box2d.b2RevoluteJoint.prototype.m_invIB=0,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_invIB",box2d.b2RevoluteJoint.prototype.m_invIB),box2d.b2RevoluteJoint.prototype.m_mass=null,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_mass",box2d.b2RevoluteJoint.prototype.m_mass),box2d.b2RevoluteJoint.prototype.m_motorMass=0,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_motorMass",box2d.b2RevoluteJoint.prototype.m_motorMass),box2d.b2RevoluteJoint.prototype.m_limitState=box2d.b2LimitState.e_inactiveLimit,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_limitState",box2d.b2RevoluteJoint.prototype.m_limitState),box2d.b2RevoluteJoint.prototype.m_qA=null,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_qA",box2d.b2RevoluteJoint.prototype.m_qA),box2d.b2RevoluteJoint.prototype.m_qB=null,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_qB",box2d.b2RevoluteJoint.prototype.m_qB),box2d.b2RevoluteJoint.prototype.m_lalcA=null,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_lalcA",box2d.b2RevoluteJoint.prototype.m_lalcA),box2d.b2RevoluteJoint.prototype.m_lalcB=null,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_lalcB",box2d.b2RevoluteJoint.prototype.m_lalcB),box2d.b2RevoluteJoint.prototype.m_K=null,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_K",box2d.b2RevoluteJoint.prototype.m_K),box2d.b2RevoluteJoint.prototype.InitVelocityConstraints=function(o){this.m_indexA=this.m_bodyA.m_islandIndex,this.m_indexB=this.m_bodyB.m_islandIndex,this.m_localCenterA.Copy(this.m_bodyA.m_sweep.localCenter),this.m_localCenterB.Copy(this.m_bodyB.m_sweep.localCenter),this.m_invMassA=this.m_bodyA.m_invMass,this.m_invMassB=this.m_bodyB.m_invMass,this.m_invIA=this.m_bodyA.m_invI,this.m_invIB=this.m_bodyB.m_invI;var t=o.positions[this.m_indexA].a,e=o.velocities[this.m_indexA].v,r=o.velocities[this.m_indexA].w,i=o.positions[this.m_indexB].a,b=o.velocities[this.m_indexB].v,n=o.velocities[this.m_indexB].w,p=this.m_qA.SetAngle(t),s=this.m_qB.SetAngle(i);box2d.b2Sub_V2_V2(this.m_localAnchorA,this.m_localCenterA,this.m_lalcA),box2d.b2Mul_R_V2(p,this.m_lalcA,this.m_rA),box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_localCenterB,this.m_lalcB),box2d.b2Mul_R_V2(s,this.m_lalcB,this.m_rB);p=this.m_invMassA,s=this.m_invMassB;var a=this.m_invIA,d=this.m_invIB,l=0===a+d;this.m_mass.ex.x=p+s+this.m_rA.y*this.m_rA.y*a+this.m_rB.y*this.m_rB.y*d,this.m_mass.ey.x=-this.m_rA.y*this.m_rA.x*a-this.m_rB.y*this.m_rB.x*d,this.m_mass.ez.x=-this.m_rA.y*a-this.m_rB.y*d,this.m_mass.ex.y=this.m_mass.ey.x,this.m_mass.ey.y=p+s+this.m_rA.x*this.m_rA.x*a+this.m_rB.x*this.m_rB.x*d,this.m_mass.ez.y=this.m_rA.x*a+this.m_rB.x*d,this.m_mass.ex.z=this.m_mass.ez.x,this.m_mass.ey.z=this.m_mass.ez.y,this.m_mass.ez.z=a+d,this.m_motorMass=a+d,0<this.m_motorMass&&(this.m_motorMass=1/this.m_motorMass),this.m_enableMotor&&!l||(this.m_motorImpulse=0),this.m_enableLimit&&!l?(t=i-t-this.m_referenceAngle,box2d.b2Abs(this.m_upperAngle-this.m_lowerAngle)<2*box2d.b2_angularSlop?this.m_limitState=box2d.b2LimitState.e_equalLimits:t<=this.m_lowerAngle?(this.m_limitState!==box2d.b2LimitState.e_atLowerLimit&&(this.m_impulse.z=0),this.m_limitState=box2d.b2LimitState.e_atLowerLimit):t>=this.m_upperAngle?(this.m_limitState!==box2d.b2LimitState.e_atUpperLimit&&(this.m_impulse.z=0),this.m_limitState=box2d.b2LimitState.e_atUpperLimit):(this.m_limitState=box2d.b2LimitState.e_inactiveLimit,this.m_impulse.z=0)):this.m_limitState=box2d.b2LimitState.e_inactiveLimit,o.step.warmStarting?(this.m_impulse.SelfMulScalar(o.step.dtRatio),this.m_motorImpulse*=o.step.dtRatio,t=box2d.b2RevoluteJoint.prototype.InitVelocityConstraints.s_P.Set(this.m_impulse.x,this.m_impulse.y),e.SelfMulSub(p,t),r-=a*(box2d.b2Cross_V2_V2(this.m_rA,t)+this.m_motorImpulse+this.m_impulse.z),b.SelfMulAdd(s,t),n+=d*(box2d.b2Cross_V2_V2(this.m_rB,t)+this.m_motorImpulse+this.m_impulse.z)):(this.m_impulse.SetZero(),this.m_motorImpulse=0),o.velocities[this.m_indexA].w=r,o.velocities[this.m_indexB].w=n},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"InitVelocityConstraints",box2d.b2RevoluteJoint.prototype.InitVelocityConstraints),box2d.b2RevoluteJoint.prototype.InitVelocityConstraints.s_P=new box2d.b2Vec2,box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints=function(o){var t=o.velocities[this.m_indexA].v,e=o.velocities[this.m_indexA].w,r=o.velocities[this.m_indexB].v,i=o.velocities[this.m_indexB].w,b=this.m_invMassA,n=this.m_invMassB,p=this.m_invIA,s=this.m_invIB,a=0===p+s;if(this.m_enableMotor&&this.m_limitState!==box2d.b2LimitState.e_equalLimits&&!a){var d=i-e-this.m_motorSpeed,l=(d=-this.m_motorMass*d,this.m_motorImpulse),x=o.step.dt*this.m_maxMotorTorque;this.m_motorImpulse=box2d.b2Clamp(this.m_motorImpulse+d,-x,x),e-=p*(d=this.m_motorImpulse-l),i+=s*d}this.m_enableLimit&&this.m_limitState!==box2d.b2LimitState.e_inactiveLimit&&!a?(a=box2d.b2Sub_V2_V2(box2d.b2AddCross_V2_S_V2(r,i,this.m_rB,box2d.b2Vec2.s_t0),box2d.b2AddCross_V2_S_V2(t,e,this.m_rA,box2d.b2Vec2.s_t1),box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints.s_Cdot1),d=this.m_mass.Solve33(a.x,a.y,i-e,box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints.s_impulse3).SelfNeg(),this.m_limitState===box2d.b2LimitState.e_equalLimits?this.m_impulse.SelfAdd(d):this.m_limitState===box2d.b2LimitState.e_atLowerLimit?0>(l=this.m_impulse.z+d.z)?(l=-a.x+this.m_impulse.z*this.m_mass.ez.x,a=-a.y+this.m_impulse.z*this.m_mass.ez.y,a=this.m_mass.Solve22(l,a,box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints.s_reduced),d.x=a.x,d.y=a.y,d.z=-this.m_impulse.z,this.m_impulse.x+=a.x,this.m_impulse.y+=a.y,this.m_impulse.z=0):this.m_impulse.SelfAdd(d):this.m_limitState===box2d.b2LimitState.e_atUpperLimit&&(0<(l=this.m_impulse.z+d.z)?(l=-a.x+this.m_impulse.z*this.m_mass.ez.x,a=-a.y+this.m_impulse.z*this.m_mass.ez.y,a=this.m_mass.Solve22(l,a,box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints.s_reduced),d.x=a.x,d.y=a.y,d.z=-this.m_impulse.z,this.m_impulse.x+=a.x,this.m_impulse.y+=a.y,this.m_impulse.z=0):this.m_impulse.SelfAdd(d)),a=box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints.s_P.Set(d.x,d.y),t.SelfMulSub(b,a),e-=p*(box2d.b2Cross_V2_V2(this.m_rA,a)+d.z),r.SelfMulAdd(n,a),i+=s*(box2d.b2Cross_V2_V2(this.m_rB,a)+d.z)):(d=box2d.b2Sub_V2_V2(box2d.b2AddCross_V2_S_V2(r,i,this.m_rB,box2d.b2Vec2.s_t0),box2d.b2AddCross_V2_S_V2(t,e,this.m_rA,box2d.b2Vec2.s_t1),box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints.s_Cdot),d=this.m_mass.Solve22(-d.x,-d.y,box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints.s_impulse2),this.m_impulse.x+=d.x,this.m_impulse.y+=d.y,t.SelfMulSub(b,d),e-=p*box2d.b2Cross_V2_V2(this.m_rA,d),r.SelfMulAdd(n,d),i+=s*box2d.b2Cross_V2_V2(this.m_rB,d)),o.velocities[this.m_indexA].w=e,o.velocities[this.m_indexB].w=i},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"SolveVelocityConstraints",box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints),box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints.s_P=new box2d.b2Vec2,box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints.s_Cdot=new box2d.b2Vec2,box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints.s_Cdot1=new box2d.b2Vec2,box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints.s_impulse3=new box2d.b2Vec3,box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints.s_reduced=new box2d.b2Vec2,box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints.s_impulse2=new box2d.b2Vec2,box2d.b2RevoluteJoint.prototype.SolvePositionConstraints=function(o){var t=o.positions[this.m_indexA].c,e=o.positions[this.m_indexA].a,r=o.positions[this.m_indexB].c,i=o.positions[this.m_indexB].a,b=this.m_qA.SetAngle(e),n=this.m_qB.SetAngle(i),p=0,s=0;s=0===this.m_invIA+this.m_invIB;if(this.m_enableLimit&&this.m_limitState!==box2d.b2LimitState.e_inactiveLimit&&!s){var a=i-e-this.m_referenceAngle;s=0;this.m_limitState===box2d.b2LimitState.e_equalLimits?(a=box2d.b2Clamp(a-this.m_lowerAngle,-box2d.b2_maxAngularCorrection,box2d.b2_maxAngularCorrection),s=-this.m_motorMass*a,p=box2d.b2Abs(a)):this.m_limitState===box2d.b2LimitState.e_atLowerLimit?(p=-(a-=this.m_lowerAngle),a=box2d.b2Clamp(a+box2d.b2_angularSlop,-box2d.b2_maxAngularCorrection,0),s=-this.m_motorMass*a):this.m_limitState===box2d.b2LimitState.e_atUpperLimit&&(p=a-=this.m_upperAngle,a=box2d.b2Clamp(a-box2d.b2_angularSlop,0,box2d.b2_maxAngularCorrection),s=-this.m_motorMass*a),e-=this.m_invIA*s,i+=this.m_invIB*s}b.SetAngle(e),n.SetAngle(i),box2d.b2Sub_V2_V2(this.m_localAnchorA,this.m_localCenterA,this.m_lalcA),b=box2d.b2Mul_R_V2(b,this.m_lalcA,this.m_rA),box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_localCenterB,this.m_lalcB);n=box2d.b2Mul_R_V2(n,this.m_lalcB,this.m_rB),s=(a=box2d.b2Sub_V2_V2(box2d.b2Add_V2_V2(r,n,box2d.b2Vec2.s_t0),box2d.b2Add_V2_V2(t,b,box2d.b2Vec2.s_t1),box2d.b2RevoluteJoint.prototype.SolvePositionConstraints.s_C)).Length();var d=this.m_invMassA,l=this.m_invMassB,x=this.m_invIA,y=this.m_invIB,c=this.m_K;return c.ex.x=d+l+x*b.y*b.y+y*n.y*n.y,c.ex.y=-x*b.x*b.y-y*n.x*n.y,c.ey.x=c.ex.y,c.ey.y=d+l+x*b.x*b.x+y*n.x*n.x,a=c.Solve(a.x,a.y,box2d.b2RevoluteJoint.prototype.SolvePositionConstraints.s_impulse).SelfNeg(),t.SelfMulSub(d,a),e-=x*box2d.b2Cross_V2_V2(b,a),r.SelfMulAdd(l,a),i+=y*box2d.b2Cross_V2_V2(n,a),o.positions[this.m_indexA].a=e,o.positions[this.m_indexB].a=i,s<=box2d.b2_linearSlop&&p<=box2d.b2_angularSlop},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"SolvePositionConstraints",box2d.b2RevoluteJoint.prototype.SolvePositionConstraints),box2d.b2RevoluteJoint.prototype.SolvePositionConstraints.s_C=new box2d.b2Vec2,box2d.b2RevoluteJoint.prototype.SolvePositionConstraints.s_impulse=new box2d.b2Vec2,box2d.b2RevoluteJoint.prototype.GetAnchorA=function(o){return this.m_bodyA.GetWorldPoint(this.m_localAnchorA,o)},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"GetAnchorA",box2d.b2RevoluteJoint.prototype.GetAnchorA),box2d.b2RevoluteJoint.prototype.GetAnchorB=function(o){return this.m_bodyB.GetWorldPoint(this.m_localAnchorB,o)},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"GetAnchorB",box2d.b2RevoluteJoint.prototype.GetAnchorB),box2d.b2RevoluteJoint.prototype.GetReactionForce=function(o,t){return t.Set(o*this.m_impulse.x,o*this.m_impulse.y)},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"GetReactionForce",box2d.b2RevoluteJoint.prototype.GetReactionForce),box2d.b2RevoluteJoint.prototype.GetReactionTorque=function(o){return o*this.m_impulse.z},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"GetReactionTorque",box2d.b2RevoluteJoint.prototype.GetReactionTorque),box2d.b2RevoluteJoint.prototype.GetLocalAnchorA=function(o){return o.Copy(this.m_localAnchorA)},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"GetLocalAnchorA",box2d.b2RevoluteJoint.prototype.GetLocalAnchorA),box2d.b2RevoluteJoint.prototype.GetLocalAnchorB=function(o){return o.Copy(this.m_localAnchorB)},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"GetLocalAnchorB",box2d.b2RevoluteJoint.prototype.GetLocalAnchorB),box2d.b2RevoluteJoint.prototype.GetReferenceAngle=function(){return this.m_referenceAngle},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"GetReferenceAngle",box2d.b2RevoluteJoint.prototype.GetReferenceAngle),box2d.b2RevoluteJoint.prototype.GetJointAngle=function(){return this.m_bodyB.m_sweep.a-this.m_bodyA.m_sweep.a-this.m_referenceAngle},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"GetJointAngle",box2d.b2RevoluteJoint.prototype.GetJointAngle),box2d.b2RevoluteJoint.prototype.GetJointSpeed=function(){return this.m_bodyB.m_angularVelocity-this.m_bodyA.m_angularVelocity},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"GetJointSpeed",box2d.b2RevoluteJoint.prototype.GetJointSpeed),box2d.b2RevoluteJoint.prototype.IsMotorEnabled=function(){return this.m_enableMotor},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"IsMotorEnabled",box2d.b2RevoluteJoint.prototype.IsMotorEnabled),box2d.b2RevoluteJoint.prototype.EnableMotor=function(o){this.m_enableMotor!==o&&(this.m_bodyA.SetAwake(!0),this.m_bodyB.SetAwake(!0),this.m_enableMotor=o)},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"EnableMotor",box2d.b2RevoluteJoint.prototype.EnableMotor),box2d.b2RevoluteJoint.prototype.GetMotorTorque=function(o){return o*this.m_motorImpulse},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"GetMotorTorque",box2d.b2RevoluteJoint.prototype.GetMotorTorque),box2d.b2RevoluteJoint.prototype.GetMotorSpeed=function(){return this.m_motorSpeed},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"GetMotorSpeed",box2d.b2RevoluteJoint.prototype.GetMotorSpeed),box2d.b2RevoluteJoint.prototype.SetMaxMotorTorque=function(o){this.m_maxMotorTorque=o},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"SetMaxMotorTorque",box2d.b2RevoluteJoint.prototype.SetMaxMotorTorque),box2d.b2RevoluteJoint.prototype.GetMaxMotorTorque=function(){return this.m_maxMotorTorque},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"GetMaxMotorTorque",box2d.b2RevoluteJoint.prototype.GetMaxMotorTorque),box2d.b2RevoluteJoint.prototype.IsLimitEnabled=function(){return this.m_enableLimit},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"IsLimitEnabled",box2d.b2RevoluteJoint.prototype.IsLimitEnabled),box2d.b2RevoluteJoint.prototype.EnableLimit=function(o){o!==this.m_enableLimit&&(this.m_bodyA.SetAwake(!0),this.m_bodyB.SetAwake(!0),this.m_enableLimit=o,this.m_impulse.z=0)},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"EnableLimit",box2d.b2RevoluteJoint.prototype.EnableLimit),box2d.b2RevoluteJoint.prototype.GetLowerLimit=function(){return this.m_lowerAngle},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"GetLowerLimit",box2d.b2RevoluteJoint.prototype.GetLowerLimit),box2d.b2RevoluteJoint.prototype.GetUpperLimit=function(){return this.m_upperAngle},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"GetUpperLimit",box2d.b2RevoluteJoint.prototype.GetUpperLimit),box2d.b2RevoluteJoint.prototype.SetLimits=function(o,t){o===this.m_lowerAngle&&t===this.m_upperAngle||(this.m_bodyA.SetAwake(!0),this.m_bodyB.SetAwake(!0),this.m_impulse.z=0,this.m_lowerAngle=o,this.m_upperAngle=t)},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"SetLimits",box2d.b2RevoluteJoint.prototype.SetLimits),box2d.b2RevoluteJoint.prototype.SetMotorSpeed=function(o){this.m_motorSpeed!==o&&(this.m_bodyA.SetAwake(!0),this.m_bodyB.SetAwake(!0),this.m_motorSpeed=o)},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"SetMotorSpeed",box2d.b2RevoluteJoint.prototype.SetMotorSpeed),box2d.b2RevoluteJoint.prototype.Dump=function(){if(box2d.DEBUG){var o=this.m_bodyA.m_islandIndex,t=this.m_bodyB.m_islandIndex;box2d.b2Log("  /*box2d.b2RevoluteJointDef*/ var jd = new box2d.b2RevoluteJointDef();\n"),box2d.b2Log("  jd.bodyA = bodies[%d];\n",o),box2d.b2Log("  jd.bodyB = bodies[%d];\n",t),box2d.b2Log("  jd.collideConnected = %s;\n",this.m_collideConnected?"true":"false"),box2d.b2Log("  jd.localAnchorA.Set(%.15f, %.15f);\n",this.m_localAnchorA.x,this.m_localAnchorA.y),box2d.b2Log("  jd.localAnchorB.Set(%.15f, %.15f);\n",this.m_localAnchorB.x,this.m_localAnchorB.y),box2d.b2Log("  jd.referenceAngle = %.15f;\n",this.m_referenceAngle),box2d.b2Log("  jd.enableLimit = %s;\n",this.m_enableLimit?"true":"false"),box2d.b2Log("  jd.lowerAngle = %.15f;\n",this.m_lowerAngle),box2d.b2Log("  jd.upperAngle = %.15f;\n",this.m_upperAngle),box2d.b2Log("  jd.enableMotor = %s;\n",this.m_enableMotor?"true":"false"),box2d.b2Log("  jd.motorSpeed = %.15f;\n",this.m_motorSpeed),box2d.b2Log("  jd.maxMotorTorque = %.15f;\n",this.m_maxMotorTorque),box2d.b2Log("  joints[%d] = this.m_world.CreateJoint(jd);\n",this.m_index)}},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"Dump",box2d.b2RevoluteJoint.prototype.Dump),box2d.b2GearJointDef=function(){box2d.b2JointDef.call(this,box2d.b2JointType.e_gearJoint)},goog.inherits(box2d.b2GearJointDef,box2d.b2JointDef),goog.exportSymbol("box2d.b2GearJointDef",box2d.b2GearJointDef),box2d.b2GearJointDef.prototype.joint1=null,goog.exportProperty(box2d.b2GearJointDef.prototype,"joint1",box2d.b2GearJointDef.prototype.joint1),box2d.b2GearJointDef.prototype.joint2=null,goog.exportProperty(box2d.b2GearJointDef.prototype,"joint2",box2d.b2GearJointDef.prototype.joint2),box2d.b2GearJointDef.prototype.ratio=1,goog.exportProperty(box2d.b2GearJointDef.prototype,"ratio",box2d.b2GearJointDef.prototype.ratio),box2d.b2GearJoint=function(o){var t,e;box2d.b2Joint.call(this,o),this.m_joint1=o.joint1,this.m_joint2=o.joint2,this.m_localAnchorA=new box2d.b2Vec2,this.m_localAnchorB=new box2d.b2Vec2,this.m_localAnchorC=new box2d.b2Vec2,this.m_localAnchorD=new box2d.b2Vec2,this.m_localAxisC=new box2d.b2Vec2,this.m_localAxisD=new box2d.b2Vec2,this.m_lcA=new box2d.b2Vec2,this.m_lcB=new box2d.b2Vec2,this.m_lcC=new box2d.b2Vec2,this.m_lcD=new box2d.b2Vec2,this.m_JvAC=new box2d.b2Vec2,this.m_JvBD=new box2d.b2Vec2,this.m_qA=new box2d.b2Rot,this.m_qB=new box2d.b2Rot,this.m_qC=new box2d.b2Rot,this.m_qD=new box2d.b2Rot,this.m_lalcA=new box2d.b2Vec2,this.m_lalcB=new box2d.b2Vec2,this.m_lalcC=new box2d.b2Vec2,this.m_lalcD=new box2d.b2Vec2,this.m_typeA=this.m_joint1.GetType(),this.m_typeB=this.m_joint2.GetType(),box2d.ENABLE_ASSERTS&&box2d.b2Assert(this.m_typeA===box2d.b2JointType.e_revoluteJoint||this.m_typeA===box2d.b2JointType.e_prismaticJoint),box2d.ENABLE_ASSERTS&&box2d.b2Assert(this.m_typeB===box2d.b2JointType.e_revoluteJoint||this.m_typeB===box2d.b2JointType.e_prismaticJoint),this.m_bodyC=this.m_joint1.GetBodyA(),this.m_bodyA=this.m_joint1.GetBodyB(),t=this.m_bodyA.m_xf;var r=this.m_bodyA.m_sweep.a;e=this.m_bodyC.m_xf;var i=this.m_bodyC.m_sweep.a;this.m_typeA===box2d.b2JointType.e_revoluteJoint?(e=o.joint1,this.m_localAnchorC.Copy(e.m_localAnchorA),this.m_localAnchorA.Copy(e.m_localAnchorB),this.m_referenceAngleA=e.m_referenceAngle,this.m_localAxisC.SetZero(),t=r-i-this.m_referenceAngleA):(i=o.joint1,this.m_localAnchorC.Copy(i.m_localAnchorA),this.m_localAnchorA.Copy(i.m_localAnchorB),this.m_referenceAngleA=i.m_referenceAngle,this.m_localAxisC.Copy(i.m_localXAxisA),r=this.m_localAnchorC,t=box2d.b2MulT_R_V2(e.q,box2d.b2Add_V2_V2(box2d.b2Mul_R_V2(t.q,this.m_localAnchorA,box2d.b2Vec2.s_t0),box2d.b2Sub_V2_V2(t.p,e.p,box2d.b2Vec2.s_t1),box2d.b2Vec2.s_t0),box2d.b2Vec2.s_t0),t=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(t,r,box2d.b2Vec2.s_t0),this.m_localAxisC)),this.m_bodyD=this.m_joint2.GetBodyA(),this.m_bodyB=this.m_joint2.GetBodyB(),e=this.m_bodyB.m_xf;i=this.m_bodyB.m_sweep.a,r=this.m_bodyD.m_xf;var b=this.m_bodyD.m_sweep.a;this.m_typeB===box2d.b2JointType.e_revoluteJoint?(e=o.joint2,this.m_localAnchorD.Copy(e.m_localAnchorA),this.m_localAnchorB.Copy(e.m_localAnchorB),this.m_referenceAngleB=e.m_referenceAngle,this.m_localAxisD.SetZero(),e=i-b-this.m_referenceAngleB):(i=o.joint2,this.m_localAnchorD.Copy(i.m_localAnchorA),this.m_localAnchorB.Copy(i.m_localAnchorB),this.m_referenceAngleB=i.m_referenceAngle,this.m_localAxisD.Copy(i.m_localXAxisA),i=this.m_localAnchorD,e=box2d.b2MulT_R_V2(r.q,box2d.b2Add_V2_V2(box2d.b2Mul_R_V2(e.q,this.m_localAnchorB,box2d.b2Vec2.s_t0),box2d.b2Sub_V2_V2(e.p,r.p,box2d.b2Vec2.s_t1),box2d.b2Vec2.s_t0),box2d.b2Vec2.s_t0),e=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(e,i,box2d.b2Vec2.s_t0),this.m_localAxisD)),this.m_ratio=o.ratio,this.m_constant=t+this.m_ratio*e,this.m_impulse=0},goog.inherits(box2d.b2GearJoint,box2d.b2Joint),goog.exportSymbol("box2d.b2GearJoint",box2d.b2GearJoint),box2d.b2GearJoint.prototype.m_joint1=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_joint1",box2d.b2GearJoint.prototype.m_joint1),box2d.b2GearJoint.prototype.m_joint2=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_joint2",box2d.b2GearJoint.prototype.m_joint2),box2d.b2GearJoint.prototype.m_typeA=box2d.b2JointType.e_unknownJoint,goog.exportProperty(box2d.b2GearJoint.prototype,"m_typeA",box2d.b2GearJoint.prototype.m_typeA),box2d.b2GearJoint.prototype.m_typeB=box2d.b2JointType.e_unknownJoint,goog.exportProperty(box2d.b2GearJoint.prototype,"m_typeB",box2d.b2GearJoint.prototype.m_typeB),box2d.b2GearJoint.prototype.m_bodyC=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_bodyC",box2d.b2GearJoint.prototype.m_bodyC),box2d.b2GearJoint.prototype.m_bodyD=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_bodyD",box2d.b2GearJoint.prototype.m_bodyD),box2d.b2GearJoint.prototype.m_localAnchorA=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_localAnchorA",box2d.b2GearJoint.prototype.m_localAnchorA),box2d.b2GearJoint.prototype.m_localAnchorB=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_localAnchorB",box2d.b2GearJoint.prototype.m_localAnchorB),box2d.b2GearJoint.prototype.m_localAnchorC=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_localAnchorC",box2d.b2GearJoint.prototype.m_localAnchorC),box2d.b2GearJoint.prototype.m_localAnchorD=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_localAnchorD",box2d.b2GearJoint.prototype.m_localAnchorD),box2d.b2GearJoint.prototype.m_localAxisC=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_localAxisC",box2d.b2GearJoint.prototype.m_localAxisC),box2d.b2GearJoint.prototype.m_localAxisD=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_localAxisD",box2d.b2GearJoint.prototype.m_localAxisD),box2d.b2GearJoint.prototype.m_referenceAngleA=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_referenceAngleA",box2d.b2GearJoint.prototype.m_referenceAngleA),box2d.b2GearJoint.prototype.m_referenceAngleB=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_referenceAngleB",box2d.b2GearJoint.prototype.m_referenceAngleB),box2d.b2GearJoint.prototype.m_constant=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_constant",box2d.b2GearJoint.prototype.m_constant),box2d.b2GearJoint.prototype.m_ratio=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_ratio",box2d.b2GearJoint.prototype.m_ratio),box2d.b2GearJoint.prototype.m_impulse=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_impulse",box2d.b2GearJoint.prototype.m_impulse),box2d.b2GearJoint.prototype.m_indexA=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_indexA",box2d.b2GearJoint.prototype.m_indexA),box2d.b2GearJoint.prototype.m_indexB=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_indexB",box2d.b2GearJoint.prototype.m_indexB),box2d.b2GearJoint.prototype.m_indexC=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_indexC",box2d.b2GearJoint.prototype.m_indexC),box2d.b2GearJoint.prototype.m_indexD=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_indexD",box2d.b2GearJoint.prototype.m_indexD),box2d.b2GearJoint.prototype.m_lcA=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_lcA",box2d.b2GearJoint.prototype.m_lcA),box2d.b2GearJoint.prototype.m_lcB=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_lcB",box2d.b2GearJoint.prototype.m_lcB),box2d.b2GearJoint.prototype.m_lcC=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_lcC",box2d.b2GearJoint.prototype.m_lcC),box2d.b2GearJoint.prototype.m_lcD=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_lcD",box2d.b2GearJoint.prototype.m_lcD),box2d.b2GearJoint.prototype.m_mA=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_mA",box2d.b2GearJoint.prototype.m_mA),box2d.b2GearJoint.prototype.m_mB=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_mB",box2d.b2GearJoint.prototype.m_mB),box2d.b2GearJoint.prototype.m_mC=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_mC",box2d.b2GearJoint.prototype.m_mC),box2d.b2GearJoint.prototype.m_mD=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_mD",box2d.b2GearJoint.prototype.m_mD),box2d.b2GearJoint.prototype.m_iA=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_iA",box2d.b2GearJoint.prototype.m_iA),box2d.b2GearJoint.prototype.m_iB=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_iB",box2d.b2GearJoint.prototype.m_iB),box2d.b2GearJoint.prototype.m_iC=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_iC",box2d.b2GearJoint.prototype.m_iC),box2d.b2GearJoint.prototype.m_iD=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_iD",box2d.b2GearJoint.prototype.m_iD),box2d.b2GearJoint.prototype.m_JvAC=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_JvAC",box2d.b2GearJoint.prototype.m_JvAC),box2d.b2GearJoint.prototype.m_JvBD=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_JvBD",box2d.b2GearJoint.prototype.m_JvBD),box2d.b2GearJoint.prototype.m_JwA=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_JwA",box2d.b2GearJoint.prototype.m_JwA),box2d.b2GearJoint.prototype.m_JwB=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_JwB",box2d.b2GearJoint.prototype.m_JwB),box2d.b2GearJoint.prototype.m_JwC=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_JwC",box2d.b2GearJoint.prototype.m_JwC),box2d.b2GearJoint.prototype.m_JwD=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_JwD",box2d.b2GearJoint.prototype.m_JwD),box2d.b2GearJoint.prototype.m_mass=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_mass",box2d.b2GearJoint.prototype.m_mass),box2d.b2GearJoint.prototype.m_qA=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_qA",box2d.b2GearJoint.prototype.m_qA),box2d.b2GearJoint.prototype.m_qB=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_qB",box2d.b2GearJoint.prototype.m_qB),box2d.b2GearJoint.prototype.m_qC=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_qC",box2d.b2GearJoint.prototype.m_qC),box2d.b2GearJoint.prototype.m_qD=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_qD",box2d.b2GearJoint.prototype.m_qD),box2d.b2GearJoint.prototype.m_lalcA=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_lalcA",box2d.b2GearJoint.prototype.m_lalcA),box2d.b2GearJoint.prototype.m_lalcB=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_lalcB",box2d.b2GearJoint.prototype.m_lalcB),box2d.b2GearJoint.prototype.m_lalcC=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_lalcC",box2d.b2GearJoint.prototype.m_lalcC),box2d.b2GearJoint.prototype.m_lalcD=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_lalcD",box2d.b2GearJoint.prototype.m_lalcD),box2d.b2GearJoint.prototype.InitVelocityConstraints=function(o){this.m_indexA=this.m_bodyA.m_islandIndex,this.m_indexB=this.m_bodyB.m_islandIndex,this.m_indexC=this.m_bodyC.m_islandIndex,this.m_indexD=this.m_bodyD.m_islandIndex,this.m_lcA.Copy(this.m_bodyA.m_sweep.localCenter),this.m_lcB.Copy(this.m_bodyB.m_sweep.localCenter),this.m_lcC.Copy(this.m_bodyC.m_sweep.localCenter),this.m_lcD.Copy(this.m_bodyD.m_sweep.localCenter),this.m_mA=this.m_bodyA.m_invMass,this.m_mB=this.m_bodyB.m_invMass,this.m_mC=this.m_bodyC.m_invMass,this.m_mD=this.m_bodyD.m_invMass,this.m_iA=this.m_bodyA.m_invI,this.m_iB=this.m_bodyB.m_invI,this.m_iC=this.m_bodyC.m_invI,this.m_iD=this.m_bodyD.m_invI;var t=o.velocities[this.m_indexA].v,e=o.velocities[this.m_indexA].w,r=o.positions[this.m_indexB].a,i=o.velocities[this.m_indexB].v,b=o.velocities[this.m_indexB].w,n=o.positions[this.m_indexC].a,p=o.velocities[this.m_indexC].v,s=o.velocities[this.m_indexC].w,a=o.positions[this.m_indexD].a,d=o.velocities[this.m_indexD].v,l=o.velocities[this.m_indexD].w,x=this.m_qA.SetAngle(o.positions[this.m_indexA].a),y=(r=this.m_qB.SetAngle(r),this.m_qC.SetAngle(n));n=this.m_qD.SetAngle(a);this.m_mass=0,this.m_typeA===box2d.b2JointType.e_revoluteJoint?(this.m_JvAC.SetZero(),this.m_JwC=this.m_JwA=1,this.m_mass+=this.m_iA+this.m_iC):(a=box2d.b2Mul_R_V2(y,this.m_localAxisC,box2d.b2GearJoint.prototype.InitVelocityConstraints.s_u),box2d.b2Sub_V2_V2(this.m_localAnchorC,this.m_lcC,this.m_lalcC),y=box2d.b2Mul_R_V2(y,this.m_lalcC,box2d.b2GearJoint.prototype.InitVelocityConstraints.s_rC),box2d.b2Sub_V2_V2(this.m_localAnchorA,this.m_lcA,this.m_lalcA),x=box2d.b2Mul_R_V2(x,this.m_lalcA,box2d.b2GearJoint.prototype.InitVelocityConstraints.s_rA),this.m_JvAC.Copy(a),this.m_JwC=box2d.b2Cross_V2_V2(y,a),this.m_JwA=box2d.b2Cross_V2_V2(x,a),this.m_mass+=this.m_mC+this.m_mA+this.m_iC*this.m_JwC*this.m_JwC+this.m_iA*this.m_JwA*this.m_JwA),this.m_typeB===box2d.b2JointType.e_revoluteJoint?(this.m_JvBD.SetZero(),this.m_JwD=this.m_JwB=this.m_ratio,this.m_mass+=this.m_ratio*this.m_ratio*(this.m_iB+this.m_iD)):(a=box2d.b2Mul_R_V2(n,this.m_localAxisD,box2d.b2GearJoint.prototype.InitVelocityConstraints.s_u),box2d.b2Sub_V2_V2(this.m_localAnchorD,this.m_lcD,this.m_lalcD),x=box2d.b2Mul_R_V2(n,this.m_lalcD,box2d.b2GearJoint.prototype.InitVelocityConstraints.s_rD),box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_lcB,this.m_lalcB),r=box2d.b2Mul_R_V2(r,this.m_lalcB,box2d.b2GearJoint.prototype.InitVelocityConstraints.s_rB),box2d.b2Mul_S_V2(this.m_ratio,a,this.m_JvBD),this.m_JwD=this.m_ratio*box2d.b2Cross_V2_V2(x,a),this.m_JwB=this.m_ratio*box2d.b2Cross_V2_V2(r,a),this.m_mass+=this.m_ratio*this.m_ratio*(this.m_mD+this.m_mB)+this.m_iD*this.m_JwD*this.m_JwD+this.m_iB*this.m_JwB*this.m_JwB),this.m_mass=0<this.m_mass?1/this.m_mass:0,o.step.warmStarting?(t.SelfMulAdd(this.m_mA*this.m_impulse,this.m_JvAC),e+=this.m_iA*this.m_impulse*this.m_JwA,i.SelfMulAdd(this.m_mB*this.m_impulse,this.m_JvBD),b+=this.m_iB*this.m_impulse*this.m_JwB,p.SelfMulSub(this.m_mC*this.m_impulse,this.m_JvAC),s-=this.m_iC*this.m_impulse*this.m_JwC,d.SelfMulSub(this.m_mD*this.m_impulse,this.m_JvBD),l-=this.m_iD*this.m_impulse*this.m_JwD):this.m_impulse=0,o.velocities[this.m_indexA].w=e,o.velocities[this.m_indexB].w=b,o.velocities[this.m_indexC].w=s,o.velocities[this.m_indexD].w=l},box2d.b2GearJoint.prototype.InitVelocityConstraints.s_u=new box2d.b2Vec2,box2d.b2GearJoint.prototype.InitVelocityConstraints.s_rA=new box2d.b2Vec2,box2d.b2GearJoint.prototype.InitVelocityConstraints.s_rB=new box2d.b2Vec2,box2d.b2GearJoint.prototype.InitVelocityConstraints.s_rC=new box2d.b2Vec2,box2d.b2GearJoint.prototype.InitVelocityConstraints.s_rD=new box2d.b2Vec2,box2d.b2GearJoint.prototype.SolveVelocityConstraints=function(o){var t=o.velocities[this.m_indexA].v,e=o.velocities[this.m_indexA].w,r=o.velocities[this.m_indexB].v,i=o.velocities[this.m_indexB].w,b=o.velocities[this.m_indexC].v,n=o.velocities[this.m_indexC].w,p=o.velocities[this.m_indexD].v,s=o.velocities[this.m_indexD].w,a=(a=box2d.b2Dot_V2_V2(this.m_JvAC,box2d.b2Sub_V2_V2(t,b,box2d.b2Vec2.s_t0))+box2d.b2Dot_V2_V2(this.m_JvBD,box2d.b2Sub_V2_V2(r,p,box2d.b2Vec2.s_t0)))+(this.m_JwA*e-this.m_JwC*n+(this.m_JwB*i-this.m_JwD*s));a=-this.m_mass*a;this.m_impulse+=a,t.SelfMulAdd(this.m_mA*a,this.m_JvAC),e+=this.m_iA*a*this.m_JwA,r.SelfMulAdd(this.m_mB*a,this.m_JvBD),i+=this.m_iB*a*this.m_JwB,b.SelfMulSub(this.m_mC*a,this.m_JvAC),n-=this.m_iC*a*this.m_JwC,p.SelfMulSub(this.m_mD*a,this.m_JvBD),s-=this.m_iD*a*this.m_JwD,o.velocities[this.m_indexA].w=e,o.velocities[this.m_indexB].w=i,o.velocities[this.m_indexC].w=n,o.velocities[this.m_indexD].w=s},box2d.b2GearJoint.prototype.SolvePositionConstraints=function(o){var t,e,r=o.positions[this.m_indexA].c,i=o.positions[this.m_indexA].a,b=o.positions[this.m_indexB].c,n=o.positions[this.m_indexB].a,p=o.positions[this.m_indexC].c,s=o.positions[this.m_indexC].a,a=o.positions[this.m_indexD].c,d=o.positions[this.m_indexD].a,l=this.m_qA.SetAngle(i),x=this.m_qB.SetAngle(n),y=this.m_qC.SetAngle(s),c=this.m_qD.SetAngle(d),_=this.m_JvAC,m=this.m_JvBD,u=0;if(this.m_typeA===box2d.b2JointType.e_revoluteJoint)_.SetZero(),l=t=1,u+=this.m_iA+this.m_iC,y=i-s-this.m_referenceAngleA;else{e=box2d.b2Mul_R_V2(y,this.m_localAxisC,box2d.b2GearJoint.prototype.SolvePositionConstraints.s_u),t=box2d.b2Mul_R_V2(y,this.m_lalcC,box2d.b2GearJoint.prototype.SolvePositionConstraints.s_rC);var h=box2d.b2Mul_R_V2(l,this.m_lalcA,box2d.b2GearJoint.prototype.SolvePositionConstraints.s_rA);_.Copy(e),l=box2d.b2Cross_V2_V2(t,e),t=box2d.b2Cross_V2_V2(h,e),u+=this.m_mC+this.m_mA+this.m_iC*l*l+this.m_iA*t*t,e=this.m_lalcC,y=box2d.b2MulT_R_V2(y,box2d.b2Add_V2_V2(h,box2d.b2Sub_V2_V2(r,p,box2d.b2Vec2.s_t0),box2d.b2Vec2.s_t0),box2d.b2Vec2.s_t0),y=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(y,e,box2d.b2Vec2.s_t0),this.m_localAxisC)}if(this.m_typeB===box2d.b2JointType.e_revoluteJoint)m.SetZero(),x=e=this.m_ratio,u+=this.m_ratio*this.m_ratio*(this.m_iB+this.m_iD),c=n-d-this.m_referenceAngleB;else{e=box2d.b2Mul_R_V2(c,this.m_localAxisD,box2d.b2GearJoint.prototype.SolvePositionConstraints.s_u);var g=box2d.b2Mul_R_V2(c,this.m_lalcD,box2d.b2GearJoint.prototype.SolvePositionConstraints.s_rD);h=box2d.b2Mul_R_V2(x,this.m_lalcB,box2d.b2GearJoint.prototype.SolvePositionConstraints.s_rB);box2d.b2Mul_S_V2(this.m_ratio,e,m),x=this.m_ratio*box2d.b2Cross_V2_V2(g,e),e=this.m_ratio*box2d.b2Cross_V2_V2(h,e),u+=this.m_ratio*this.m_ratio*(this.m_mD+this.m_mB)+this.m_iD*x*x+this.m_iB*e*e,g=this.m_lalcD,c=box2d.b2MulT_R_V2(c,box2d.b2Add_V2_V2(h,box2d.b2Sub_V2_V2(b,a,box2d.b2Vec2.s_t0),box2d.b2Vec2.s_t0),box2d.b2Vec2.s_t0),c=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(c,g,box2d.b2Vec2.s_t0),this.m_localAxisD)}return c=y+this.m_ratio*c-this.m_constant,y=0,0<u&&(y=-c/u),r.SelfMulAdd(this.m_mA*y,_),i+=this.m_iA*y*t,b.SelfMulAdd(this.m_mB*y,m),n+=this.m_iB*y*e,p.SelfMulSub(this.m_mC*y,_),s-=this.m_iC*y*l,a.SelfMulSub(this.m_mD*y,m),d-=this.m_iD*y*x,o.positions[this.m_indexA].a=i,o.positions[this.m_indexB].a=n,o.positions[this.m_indexC].a=s,o.positions[this.m_indexD].a=d,0<box2d.b2_linearSlop},goog.exportProperty(box2d.b2GearJoint.prototype,"SolvePositionConstraints",box2d.b2GearJoint.prototype.SolvePositionConstraints),box2d.b2GearJoint.prototype.SolvePositionConstraints.s_u=new box2d.b2Vec2,box2d.b2GearJoint.prototype.SolvePositionConstraints.s_rA=new box2d.b2Vec2,box2d.b2GearJoint.prototype.SolvePositionConstraints.s_rB=new box2d.b2Vec2,box2d.b2GearJoint.prototype.SolvePositionConstraints.s_rC=new box2d.b2Vec2,box2d.b2GearJoint.prototype.SolvePositionConstraints.s_rD=new box2d.b2Vec2,box2d.b2GearJoint.prototype.GetAnchorA=function(o){return this.m_bodyA.GetWorldPoint(this.m_localAnchorA,o)},goog.exportProperty(box2d.b2GearJoint.prototype,"GetAnchorA",box2d.b2GearJoint.prototype.GetAnchorA),box2d.b2GearJoint.prototype.GetAnchorB=function(o){return this.m_bodyB.GetWorldPoint(this.m_localAnchorB,o)},goog.exportProperty(box2d.b2GearJoint.prototype,"GetAnchorB",box2d.b2GearJoint.prototype.GetAnchorB),box2d.b2GearJoint.prototype.GetReactionForce=function(o,t){return box2d.b2Mul_S_V2(o*this.m_impulse,this.m_JvAC,t)},goog.exportProperty(box2d.b2GearJoint.prototype,"GetReactionForce",box2d.b2GearJoint.prototype.GetReactionForce),box2d.b2GearJoint.prototype.GetReactionTorque=function(o){return o*this.m_impulse*this.m_JwA},goog.exportProperty(box2d.b2GearJoint.prototype,"GetReactionTorque",box2d.b2GearJoint.prototype.GetReactionTorque),box2d.b2GearJoint.prototype.GetJoint1=function(){return this.m_joint1},goog.exportProperty(box2d.b2GearJoint.prototype,"GetJoint1",box2d.b2GearJoint.prototype.GetJoint1),box2d.b2GearJoint.prototype.GetJoint2=function(){return this.m_joint2},goog.exportProperty(box2d.b2GearJoint.prototype,"GetJoint2",box2d.b2GearJoint.prototype.GetJoint2),box2d.b2GearJoint.prototype.GetRatio=function(){return this.m_ratio},goog.exportProperty(box2d.b2GearJoint.prototype,"GetRatio",box2d.b2GearJoint.prototype.GetRatio),box2d.b2GearJoint.prototype.SetRatio=function(o){box2d.ENABLE_ASSERTS&&box2d.b2Assert(box2d.b2IsValid(o)),this.m_ratio=o},goog.exportProperty(box2d.b2GearJoint.prototype,"SetRatio",box2d.b2GearJoint.prototype.SetRatio),box2d.b2GearJoint.prototype.Dump=function(){if(box2d.DEBUG){var o=this.m_bodyA.m_islandIndex,t=this.m_bodyB.m_islandIndex,e=this.m_joint1.m_index,r=this.m_joint2.m_index;box2d.b2Log("  /*box2d.b2GearJointDef*/ var jd = new box2d.b2GearJointDef();\n"),box2d.b2Log("  jd.bodyA = bodies[%d];\n",o),box2d.b2Log("  jd.bodyB = bodies[%d];\n",t),box2d.b2Log("  jd.collideConnected = %s;\n",this.m_collideConnected?"true":"false"),box2d.b2Log("  jd.joint1 = joints[%d];\n",e),box2d.b2Log("  jd.joint2 = joints[%d];\n",r),box2d.b2Log("  jd.ratio = %.15f;\n",this.m_ratio),box2d.b2Log("  joints[%d] = this.m_world.CreateJoint(jd);\n",this.m_index)}},goog.exportProperty(box2d.b2GearJoint.prototype,"Dump",box2d.b2GearJoint.prototype.Dump),box2d.b2RopeJointDef=function(){box2d.b2JointDef.call(this,box2d.b2JointType.e_ropeJoint),this.localAnchorA=new box2d.b2Vec2(-1,0),this.localAnchorB=new box2d.b2Vec2(1,0)},goog.inherits(box2d.b2RopeJointDef,box2d.b2JointDef),goog.exportSymbol("box2d.b2RopeJointDef",box2d.b2RopeJointDef),box2d.b2RopeJointDef.prototype.localAnchorA=null,goog.exportProperty(box2d.b2RopeJointDef.prototype,"localAnchorA",box2d.b2RopeJointDef.prototype.localAnchorA),box2d.b2RopeJointDef.prototype.localAnchorB=null,goog.exportProperty(box2d.b2RopeJointDef.prototype,"localAnchorB",box2d.b2RopeJointDef.prototype.localAnchorB),box2d.b2RopeJointDef.prototype.maxLength=0,goog.exportProperty(box2d.b2RopeJointDef.prototype,"maxLength",box2d.b2RopeJointDef.prototype.maxLength),box2d.b2RopeJoint=function(o){box2d.b2Joint.call(this,o),this.m_localAnchorA=o.localAnchorA.Clone(),this.m_localAnchorB=o.localAnchorB.Clone(),this.m_maxLength=o.maxLength,this.m_u=new box2d.b2Vec2,this.m_rA=new box2d.b2Vec2,this.m_rB=new box2d.b2Vec2,this.m_localCenterA=new box2d.b2Vec2,this.m_localCenterB=new box2d.b2Vec2,this.m_qA=new box2d.b2Rot,this.m_qB=new box2d.b2Rot,this.m_lalcA=new box2d.b2Vec2,this.m_lalcB=new box2d.b2Vec2},goog.inherits(box2d.b2RopeJoint,box2d.b2Joint),goog.exportSymbol("box2d.b2RopeJoint",box2d.b2RopeJoint),box2d.b2RopeJoint.prototype.m_localAnchorA=null,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_localAnchorA",box2d.b2RopeJoint.prototype.m_localAnchorA),box2d.b2RopeJoint.prototype.m_localAnchorB=null,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_localAnchorB",box2d.b2RopeJoint.prototype.m_localAnchorB),box2d.b2RopeJoint.prototype.m_maxLength=0,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_maxLength",box2d.b2RopeJoint.prototype.m_maxLength),box2d.b2RopeJoint.prototype.m_length=0,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_length",box2d.b2RopeJoint.prototype.m_length),box2d.b2RopeJoint.prototype.m_impulse=0,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_impulse",box2d.b2RopeJoint.prototype.m_impulse),box2d.b2RopeJoint.prototype.m_indexA=0,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_indexA",box2d.b2RopeJoint.prototype.m_indexA),box2d.b2RopeJoint.prototype.m_indexB=0,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_indexB",box2d.b2RopeJoint.prototype.m_indexB),box2d.b2RopeJoint.prototype.m_u=null,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_u",box2d.b2RopeJoint.prototype.m_u),box2d.b2RopeJoint.prototype.m_rA=null,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_rA",box2d.b2RopeJoint.prototype.m_rA),box2d.b2RopeJoint.prototype.m_rB=null,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_rB",box2d.b2RopeJoint.prototype.m_rB),box2d.b2RopeJoint.prototype.m_localCenterA=null,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_localCenterA",box2d.b2RopeJoint.prototype.m_localCenterA),box2d.b2RopeJoint.prototype.m_localCenterB=null,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_localCenterB",box2d.b2RopeJoint.prototype.m_localCenterB),box2d.b2RopeJoint.prototype.m_invMassA=0,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_invMassA",box2d.b2RopeJoint.prototype.m_invMassA),box2d.b2RopeJoint.prototype.m_invMassB=0,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_invMassB",box2d.b2RopeJoint.prototype.m_invMassB),box2d.b2RopeJoint.prototype.m_invIA=0,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_invIA",box2d.b2RopeJoint.prototype.m_invIA),box2d.b2RopeJoint.prototype.m_invIB=0,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_invIB",box2d.b2RopeJoint.prototype.m_invIB),box2d.b2RopeJoint.prototype.m_mass=0,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_mass",box2d.b2RopeJoint.prototype.m_mass),box2d.b2RopeJoint.prototype.m_state=box2d.b2LimitState.e_inactiveLimit,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_state",box2d.b2RopeJoint.prototype.m_state),box2d.b2RopeJoint.prototype.m_qA=null,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_qA",box2d.b2RopeJoint.prototype.m_qA),box2d.b2RopeJoint.prototype.m_qB=null,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_qB",box2d.b2RopeJoint.prototype.m_qB),box2d.b2RopeJoint.prototype.m_lalcA=null,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_lalcA",box2d.b2RopeJoint.prototype.m_lalcA),box2d.b2RopeJoint.prototype.m_lalcB=null,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_lalcB",box2d.b2RopeJoint.prototype.m_lalcB),box2d.b2RopeJoint.prototype.InitVelocityConstraints=function(o){this.m_indexA=this.m_bodyA.m_islandIndex,this.m_indexB=this.m_bodyB.m_islandIndex,this.m_localCenterA.Copy(this.m_bodyA.m_sweep.localCenter),this.m_localCenterB.Copy(this.m_bodyB.m_sweep.localCenter),this.m_invMassA=this.m_bodyA.m_invMass,this.m_invMassB=this.m_bodyB.m_invMass,this.m_invIA=this.m_bodyA.m_invI,this.m_invIB=this.m_bodyB.m_invI;var t=o.positions[this.m_indexA].c,e=o.velocities[this.m_indexA].v,r=o.velocities[this.m_indexA].w,i=o.positions[this.m_indexB].c,b=o.positions[this.m_indexB].a,n=o.velocities[this.m_indexB].v,p=o.velocities[this.m_indexB].w,s=this.m_qA.SetAngle(o.positions[this.m_indexA].a);b=this.m_qB.SetAngle(b);box2d.b2Sub_V2_V2(this.m_localAnchorA,this.m_localCenterA,this.m_lalcA),box2d.b2Mul_R_V2(s,this.m_lalcA,this.m_rA),box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_localCenterB,this.m_lalcB),box2d.b2Mul_R_V2(b,this.m_lalcB,this.m_rB),this.m_u.Copy(i).SelfAdd(this.m_rB).SelfSub(t).SelfSub(this.m_rA),this.m_length=this.m_u.Length(),this.m_state=0<this.m_length-this.m_maxLength?box2d.b2LimitState.e_atUpperLimit:box2d.b2LimitState.e_inactiveLimit,this.m_length>box2d.b2_linearSlop?(this.m_u.SelfMul(1/this.m_length),t=box2d.b2Cross_V2_V2(this.m_rA,this.m_u),i=box2d.b2Cross_V2_V2(this.m_rB,this.m_u),t=this.m_invMassA+this.m_invIA*t*t+this.m_invMassB+this.m_invIB*i*i,this.m_mass=0!==t?1/t:0,o.step.warmStarting?(this.m_impulse*=o.step.dtRatio,t=box2d.b2Mul_S_V2(this.m_impulse,this.m_u,box2d.b2RopeJoint.prototype.InitVelocityConstraints.s_P),e.SelfMulSub(this.m_invMassA,t),r-=this.m_invIA*box2d.b2Cross_V2_V2(this.m_rA,t),n.SelfMulAdd(this.m_invMassB,t),p+=this.m_invIB*box2d.b2Cross_V2_V2(this.m_rB,t)):this.m_impulse=0,o.velocities[this.m_indexA].w=r,o.velocities[this.m_indexB].w=p):(this.m_u.SetZero(),this.m_impulse=this.m_mass=0)},goog.exportProperty(box2d.b2RopeJoint.prototype,"InitVelocityConstraints",box2d.b2RopeJoint.prototype.InitVelocityConstraints),box2d.b2RopeJoint.prototype.InitVelocityConstraints.s_P=new box2d.b2Vec2,box2d.b2RopeJoint.prototype.SolveVelocityConstraints=function(o){var t=o.velocities[this.m_indexA].v,e=o.velocities[this.m_indexA].w,r=o.velocities[this.m_indexB].v,i=o.velocities[this.m_indexB].w,b=box2d.b2AddCross_V2_S_V2(t,e,this.m_rA,box2d.b2RopeJoint.prototype.SolveVelocityConstraints.s_vpA),n=box2d.b2AddCross_V2_S_V2(r,i,this.m_rB,box2d.b2RopeJoint.prototype.SolveVelocityConstraints.s_vpB),p=this.m_length-this.m_maxLength;b=box2d.b2Dot_V2_V2(this.m_u,box2d.b2Sub_V2_V2(n,b,box2d.b2Vec2.s_t0));0>p&&(b+=o.step.inv_dt*p),p=-this.m_mass*b,b=this.m_impulse,this.m_impulse=box2d.b2Min(0,this.m_impulse+p),p=this.m_impulse-b,p=box2d.b2Mul_S_V2(p,this.m_u,box2d.b2RopeJoint.prototype.SolveVelocityConstraints.s_P),t.SelfMulSub(this.m_invMassA,p),e-=this.m_invIA*box2d.b2Cross_V2_V2(this.m_rA,p),r.SelfMulAdd(this.m_invMassB,p),i+=this.m_invIB*box2d.b2Cross_V2_V2(this.m_rB,p),o.velocities[this.m_indexA].w=e,o.velocities[this.m_indexB].w=i},goog.exportProperty(box2d.b2RopeJoint.prototype,"SolveVelocityConstraints",box2d.b2RopeJoint.prototype.SolveVelocityConstraints),box2d.b2RopeJoint.prototype.SolveVelocityConstraints.s_vpA=new box2d.b2Vec2,box2d.b2RopeJoint.prototype.SolveVelocityConstraints.s_vpB=new box2d.b2Vec2,box2d.b2RopeJoint.prototype.SolveVelocityConstraints.s_P=new box2d.b2Vec2,box2d.b2RopeJoint.prototype.SolvePositionConstraints=function(o){var t=o.positions[this.m_indexA].c,e=o.positions[this.m_indexA].a,r=o.positions[this.m_indexB].c,i=o.positions[this.m_indexB].a,b=this.m_qA.SetAngle(e),n=this.m_qB.SetAngle(i);box2d.b2Sub_V2_V2(this.m_localAnchorA,this.m_localCenterA,this.m_lalcA),b=box2d.b2Mul_R_V2(b,this.m_lalcA,this.m_rA),box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_localCenterB,this.m_lalcB);n=box2d.b2Mul_R_V2(n,this.m_lalcB,this.m_rB);var p=(a=this.m_u.Copy(r).SelfAdd(n).SelfSub(t).SelfSub(b)).Normalize(),s=p-this.m_maxLength,a=(s=box2d.b2Clamp(s,0,box2d.b2_maxLinearCorrection),box2d.b2Mul_S_V2(-this.m_mass*s,a,box2d.b2RopeJoint.prototype.SolvePositionConstraints.s_P));return t.SelfMulSub(this.m_invMassA,a),e-=this.m_invIA*box2d.b2Cross_V2_V2(b,a),r.SelfMulAdd(this.m_invMassB,a),i+=this.m_invIB*box2d.b2Cross_V2_V2(n,a),o.positions[this.m_indexA].a=e,o.positions[this.m_indexB].a=i,p-this.m_maxLength<box2d.b2_linearSlop},goog.exportProperty(box2d.b2RopeJoint.prototype,"SolvePositionConstraints",box2d.b2RopeJoint.prototype.SolvePositionConstraints),box2d.b2RopeJoint.prototype.SolvePositionConstraints.s_P=new box2d.b2Vec2,box2d.b2RopeJoint.prototype.GetAnchorA=function(o){return this.m_bodyA.GetWorldPoint(this.m_localAnchorA,o)},goog.exportProperty(box2d.b2RopeJoint.prototype,"GetAnchorA",box2d.b2RopeJoint.prototype.GetAnchorA),box2d.b2RopeJoint.prototype.GetAnchorB=function(o){return this.m_bodyB.GetWorldPoint(this.m_localAnchorB,o)},goog.exportProperty(box2d.b2RopeJoint.prototype,"GetAnchorB",box2d.b2RopeJoint.prototype.GetAnchorB),box2d.b2RopeJoint.prototype.GetReactionForce=function(o,t){return box2d.b2Mul_S_V2(o*this.m_impulse,this.m_u,t)},goog.exportProperty(box2d.b2RopeJoint.prototype,"GetReactionForce",box2d.b2RopeJoint.prototype.GetReactionForce),box2d.b2RopeJoint.prototype.GetReactionTorque=function(o){return 0},goog.exportProperty(box2d.b2RopeJoint.prototype,"GetReactionTorque",box2d.b2RopeJoint.prototype.GetReactionTorque),box2d.b2RopeJoint.prototype.GetLocalAnchorA=function(o){return o.Copy(this.m_localAnchorA)},goog.exportProperty(box2d.b2RopeJoint.prototype,"GetLocalAnchorA",box2d.b2RopeJoint.prototype.GetLocalAnchorA),box2d.b2RopeJoint.prototype.GetLocalAnchorB=function(o){return o.Copy(this.m_localAnchorB)},goog.exportProperty(box2d.b2RopeJoint.prototype,"GetLocalAnchorB",box2d.b2RopeJoint.prototype.GetLocalAnchorB),box2d.b2RopeJoint.prototype.SetMaxLength=function(o){this.m_maxLength=o},goog.exportProperty(box2d.b2RopeJoint.prototype,"SetMaxLength",box2d.b2RopeJoint.prototype.SetMaxLength),box2d.b2RopeJoint.prototype.GetMaxLength=function(){return this.m_maxLength},goog.exportProperty(box2d.b2RopeJoint.prototype,"GetMaxLength",box2d.b2RopeJoint.prototype.GetMaxLength),box2d.b2RopeJoint.prototype.GetLimitState=function(){return this.m_state},goog.exportProperty(box2d.b2RopeJoint.prototype,"GetLimitState",box2d.b2RopeJoint.prototype.GetLimitState),box2d.b2RopeJoint.prototype.Dump=function(){if(box2d.DEBUG){var o=this.m_bodyA.m_islandIndex,t=this.m_bodyB.m_islandIndex;box2d.b2Log("  /*box2d.b2RopeJointDef*/ var jd = new box2d.b2RopeJointDef();\n"),box2d.b2Log("  jd.bodyA = bodies[%d];\n",o),box2d.b2Log("  jd.bodyB = bodies[%d];\n",t),box2d.b2Log("  jd.collideConnected = %s;\n",this.m_collideConnected?"true":"false"),box2d.b2Log("  jd.localAnchorA.Set(%.15f, %.15f);\n",this.m_localAnchorA.x,this.m_localAnchorA.y),box2d.b2Log("  jd.localAnchorB.Set(%.15f, %.15f);\n",this.m_localAnchorB.x,this.m_localAnchorB.y),box2d.b2Log("  jd.maxLength = %.15f;\n",this.m_maxLength),box2d.b2Log("  joints[%d] = this.m_world.CreateJoint(jd);\n",this.m_index)}},goog.exportProperty(box2d.b2RopeJoint.prototype,"Dump",box2d.b2RopeJoint.prototype.Dump),box2d.b2WeldJointDef=function(){box2d.b2JointDef.call(this,box2d.b2JointType.e_weldJoint),this.localAnchorA=new box2d.b2Vec2,this.localAnchorB=new box2d.b2Vec2},goog.inherits(box2d.b2WeldJointDef,box2d.b2JointDef),goog.exportSymbol("box2d.b2WeldJointDef",box2d.b2WeldJointDef),box2d.b2WeldJointDef.prototype.localAnchorA=null,goog.exportProperty(box2d.b2WeldJointDef.prototype,"localAnchorA",box2d.b2WeldJointDef.prototype.localAnchorA),box2d.b2WeldJointDef.prototype.localAnchorB=null,goog.exportProperty(box2d.b2WeldJointDef.prototype,"localAnchorB",box2d.b2WeldJointDef.prototype.localAnchorB),box2d.b2WeldJointDef.prototype.referenceAngle=0,goog.exportProperty(box2d.b2WeldJointDef.prototype,"referenceAngle",box2d.b2WeldJointDef.prototype.referenceAngle),box2d.b2WeldJointDef.prototype.frequencyHz=0,goog.exportProperty(box2d.b2WeldJointDef.prototype,"frequencyHz",box2d.b2WeldJointDef.prototype.frequencyHz),box2d.b2WeldJointDef.prototype.dampingRatio=0,goog.exportProperty(box2d.b2WeldJointDef.prototype,"dampingRatio",box2d.b2WeldJointDef.prototype.dampingRatio),box2d.b2WeldJointDef.prototype.Initialize=function(o,t,e){this.bodyA=o,this.bodyB=t,this.bodyA.GetLocalPoint(e,this.localAnchorA),this.bodyB.GetLocalPoint(e,this.localAnchorB),this.referenceAngle=this.bodyB.GetAngle()-this.bodyA.GetAngle()},goog.exportProperty(box2d.b2WeldJointDef.prototype,"Initialize",box2d.b2WeldJointDef.prototype.Initialize),box2d.b2WeldJoint=function(o){box2d.b2Joint.call(this,o),this.m_frequencyHz=o.frequencyHz,this.m_dampingRatio=o.dampingRatio,this.m_localAnchorA=o.localAnchorA.Clone(),this.m_localAnchorB=o.localAnchorB.Clone(),this.m_referenceAngle=o.referenceAngle,this.m_impulse=new box2d.b2Vec3(0,0,0),this.m_rA=new box2d.b2Vec2,this.m_rB=new box2d.b2Vec2,this.m_localCenterA=new box2d.b2Vec2,this.m_localCenterB=new box2d.b2Vec2,this.m_mass=new box2d.b2Mat33,this.m_qA=new box2d.b2Rot,this.m_qB=new box2d.b2Rot,this.m_lalcA=new box2d.b2Vec2,this.m_lalcB=new box2d.b2Vec2,this.m_K=new box2d.b2Mat33},goog.inherits(box2d.b2WeldJoint,box2d.b2Joint),goog.exportSymbol("box2d.b2WeldJoint",box2d.b2WeldJoint),box2d.b2WeldJoint.prototype.m_frequencyHz=0,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_frequencyHz",box2d.b2WeldJoint.prototype.m_frequencyHz),box2d.b2WeldJoint.prototype.m_dampingRatio=0,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_dampingRatio",box2d.b2WeldJoint.prototype.m_dampingRatio),box2d.b2WeldJoint.prototype.m_bias=0,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_bias",box2d.b2WeldJoint.prototype.m_bias),box2d.b2WeldJoint.prototype.m_localAnchorA=null,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_localAnchorA",box2d.b2WeldJoint.prototype.m_localAnchorA),box2d.b2WeldJoint.prototype.m_localAnchorB=null,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_localAnchorB",box2d.b2WeldJoint.prototype.m_localAnchorB),box2d.b2WeldJoint.prototype.m_referenceAngle=0,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_referenceAngle",box2d.b2WeldJoint.prototype.m_referenceAngle),box2d.b2WeldJoint.prototype.m_gamma=0,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_gamma",box2d.b2WeldJoint.prototype.m_gamma),box2d.b2WeldJoint.prototype.m_impulse=null,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_impulse",box2d.b2WeldJoint.prototype.m_impulse),box2d.b2WeldJoint.prototype.m_indexA=0,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_indexA",box2d.b2WeldJoint.prototype.m_indexA),box2d.b2WeldJoint.prototype.m_indexB=0,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_indexB",box2d.b2WeldJoint.prototype.m_indexB),box2d.b2WeldJoint.prototype.m_rA=null,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_rA",box2d.b2WeldJoint.prototype.m_rA),box2d.b2WeldJoint.prototype.m_rB=null,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_rB",box2d.b2WeldJoint.prototype.m_rB),box2d.b2WeldJoint.prototype.m_localCenterA=null,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_localCenterA",box2d.b2WeldJoint.prototype.m_localCenterA),box2d.b2WeldJoint.prototype.m_localCenterB=null,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_localCenterB",box2d.b2WeldJoint.prototype.m_localCenterB),box2d.b2WeldJoint.prototype.m_invMassA=0,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_invMassA",box2d.b2WeldJoint.prototype.m_invMassA),box2d.b2WeldJoint.prototype.m_invMassB=0,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_invMassB",box2d.b2WeldJoint.prototype.m_invMassB),box2d.b2WeldJoint.prototype.m_invIA=0,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_invIA",box2d.b2WeldJoint.prototype.m_invIA),box2d.b2WeldJoint.prototype.m_invIB=0,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_invIB",box2d.b2WeldJoint.prototype.m_invIB),box2d.b2WeldJoint.prototype.m_mass=null,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_mass",box2d.b2WeldJoint.prototype.m_mass),box2d.b2WeldJoint.prototype.m_qA=null,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_qA",box2d.b2WeldJoint.prototype.m_qA),box2d.b2WeldJoint.prototype.m_qB=null,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_qB",box2d.b2WeldJoint.prototype.m_qB),box2d.b2WeldJoint.prototype.m_lalcA=null,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_lalcA",box2d.b2WeldJoint.prototype.m_lalcA),box2d.b2WeldJoint.prototype.m_lalcB=null,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_lalcB",box2d.b2WeldJoint.prototype.m_lalcB),box2d.b2WeldJoint.prototype.m_K=null,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_K",box2d.b2WeldJoint.prototype.m_K),box2d.b2WeldJoint.prototype.InitVelocityConstraints=function(o){this.m_indexA=this.m_bodyA.m_islandIndex,this.m_indexB=this.m_bodyB.m_islandIndex,this.m_localCenterA.Copy(this.m_bodyA.m_sweep.localCenter),this.m_localCenterB.Copy(this.m_bodyB.m_sweep.localCenter),this.m_invMassA=this.m_bodyA.m_invMass,this.m_invMassB=this.m_bodyB.m_invMass,this.m_invIA=this.m_bodyA.m_invI,this.m_invIB=this.m_bodyB.m_invI;var t=o.positions[this.m_indexA].a,e=o.velocities[this.m_indexA].v,r=o.velocities[this.m_indexA].w,i=o.positions[this.m_indexB].a,b=o.velocities[this.m_indexB].v,n=o.velocities[this.m_indexB].w,p=this.m_qA.SetAngle(t),s=this.m_qB.SetAngle(i);box2d.b2Sub_V2_V2(this.m_localAnchorA,this.m_localCenterA,this.m_lalcA),box2d.b2Mul_R_V2(p,this.m_lalcA,this.m_rA),box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_localCenterB,this.m_lalcB),box2d.b2Mul_R_V2(s,this.m_lalcB,this.m_rB);p=this.m_invMassA,s=this.m_invMassB;var a=this.m_invIA,d=this.m_invIB;if((l=this.m_K).ex.x=p+s+this.m_rA.y*this.m_rA.y*a+this.m_rB.y*this.m_rB.y*d,l.ey.x=-this.m_rA.y*this.m_rA.x*a-this.m_rB.y*this.m_rB.x*d,l.ez.x=-this.m_rA.y*a-this.m_rB.y*d,l.ex.y=l.ey.x,l.ey.y=p+s+this.m_rA.x*this.m_rA.x*a+this.m_rB.x*this.m_rB.x*d,l.ez.y=this.m_rA.x*a+this.m_rB.x*d,l.ex.z=l.ez.x,l.ey.z=l.ez.y,l.ez.z=a+d,0<this.m_frequencyHz){l.GetInverse22(this.m_mass);var l,x=0<(l=a+d)?1/l:0,y=(t=i-t-this.m_referenceAngle,x*(i=2*box2d.b2_pi*this.m_frequencyHz)*i),c=o.step.dt;this.m_gamma=c*(2*x*this.m_dampingRatio*i+c*y),this.m_gamma=0!==this.m_gamma?1/this.m_gamma:0,this.m_bias=t*c*y*this.m_gamma,l+=this.m_gamma,this.m_mass.ez.z=0!==l?1/l:0}else 0===l.ez.z?l.GetInverse22(this.m_mass):l.GetSymInverse33(this.m_mass),this.m_bias=this.m_gamma=0;o.step.warmStarting?(this.m_impulse.SelfMulScalar(o.step.dtRatio),l=box2d.b2WeldJoint.prototype.InitVelocityConstraints.s_P.Set(this.m_impulse.x,this.m_impulse.y),e.SelfMulSub(p,l),r-=a*(box2d.b2Cross_V2_V2(this.m_rA,l)+this.m_impulse.z),b.SelfMulAdd(s,l),n+=d*(box2d.b2Cross_V2_V2(this.m_rB,l)+this.m_impulse.z)):this.m_impulse.SetZero(),o.velocities[this.m_indexA].w=r,o.velocities[this.m_indexB].w=n},box2d.b2WeldJoint.prototype.InitVelocityConstraints.s_P=new box2d.b2Vec2,box2d.b2WeldJoint.prototype.SolveVelocityConstraints=function(o){var t=o.velocities[this.m_indexA].v,e=o.velocities[this.m_indexA].w,r=o.velocities[this.m_indexB].v,i=o.velocities[this.m_indexB].w,b=this.m_invMassA,n=this.m_invMassB,p=this.m_invIA,s=this.m_invIB;if(0<this.m_frequencyHz){var a=-this.m_mass.ez.z*(i-e+this.m_bias+this.m_gamma*this.m_impulse.z);this.m_impulse.z+=a,e-=p*a,i+=s*a,a=box2d.b2Sub_V2_V2(box2d.b2AddCross_V2_S_V2(r,i,this.m_rB,box2d.b2Vec2.s_t0),box2d.b2AddCross_V2_S_V2(t,e,this.m_rA,box2d.b2Vec2.s_t1),box2d.b2WeldJoint.prototype.SolveVelocityConstraints.s_Cdot1),a=box2d.b2Mul_M33_X_Y(this.m_mass,a.x,a.y,box2d.b2WeldJoint.prototype.SolveVelocityConstraints.s_impulse1).SelfNeg(),this.m_impulse.x+=a.x,this.m_impulse.y+=a.y,t.SelfMulSub(b,a),e-=p*box2d.b2Cross_V2_V2(this.m_rA,a),r.SelfMulAdd(n,a),i+=s*box2d.b2Cross_V2_V2(this.m_rB,a)}else{a=box2d.b2Sub_V2_V2(box2d.b2AddCross_V2_S_V2(r,i,this.m_rB,box2d.b2Vec2.s_t0),box2d.b2AddCross_V2_S_V2(t,e,this.m_rA,box2d.b2Vec2.s_t1),box2d.b2WeldJoint.prototype.SolveVelocityConstraints.s_Cdot1);var d=box2d.b2Mul_M33_X_Y_Z(this.m_mass,a.x,a.y,i-e,box2d.b2WeldJoint.prototype.SolveVelocityConstraints.s_impulse).SelfNeg();this.m_impulse.SelfAdd(d),a=box2d.b2WeldJoint.prototype.SolveVelocityConstraints.s_P.Set(d.x,d.y),t.SelfMulSub(b,a),e-=p*(box2d.b2Cross_V2_V2(this.m_rA,a)+d.z),r.SelfMulAdd(n,a),i+=s*(box2d.b2Cross_V2_V2(this.m_rB,a)+d.z)}o.velocities[this.m_indexA].w=e,o.velocities[this.m_indexB].w=i},goog.exportProperty(box2d.b2WeldJoint.prototype,"SolveVelocityConstraints",box2d.b2WeldJoint.prototype.SolveVelocityConstraints),box2d.b2WeldJoint.prototype.SolveVelocityConstraints.s_Cdot1=new box2d.b2Vec2,box2d.b2WeldJoint.prototype.SolveVelocityConstraints.s_impulse1=new box2d.b2Vec2,box2d.b2WeldJoint.prototype.SolveVelocityConstraints.s_impulse=new box2d.b2Vec3,box2d.b2WeldJoint.prototype.SolveVelocityConstraints.s_P=new box2d.b2Vec2,box2d.b2WeldJoint.prototype.SolvePositionConstraints=function(o){var t=o.positions[this.m_indexA].c,e=o.positions[this.m_indexA].a,r=o.positions[this.m_indexB].c,i=o.positions[this.m_indexB].a,b=this.m_qA.SetAngle(e),n=this.m_qB.SetAngle(i),p=this.m_invMassA,s=this.m_invMassB,a=this.m_invIA,d=this.m_invIB;box2d.b2Sub_V2_V2(this.m_localAnchorA,this.m_localCenterA,this.m_lalcA);var l=box2d.b2Mul_R_V2(b,this.m_lalcA,this.m_rA);box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_localCenterB,this.m_lalcB);var x=box2d.b2Mul_R_V2(n,this.m_lalcB,this.m_rB);if((c=this.m_K).ex.x=p+s+l.y*l.y*a+x.y*x.y*d,c.ey.x=-l.y*l.x*a-x.y*x.x*d,c.ez.x=-l.y*a-x.y*d,c.ex.y=c.ey.x,c.ey.y=p+s+l.x*l.x*a+x.x*x.x*d,c.ez.y=l.x*a+x.x*d,c.ex.z=c.ez.x,c.ey.z=c.ez.y,c.ez.z=a+d,0<this.m_frequencyHz){var y=box2d.b2Sub_V2_V2(box2d.b2Add_V2_V2(r,x,box2d.b2Vec2.s_t0),box2d.b2Add_V2_V2(t,l,box2d.b2Vec2.s_t1),box2d.b2WeldJoint.prototype.SolvePositionConstraints.s_C1),c=(n=y.Length(),b=0,c.Solve22(y.x,y.y,box2d.b2WeldJoint.prototype.SolvePositionConstraints.s_P).SelfNeg());t.SelfMulSub(p,c),e-=a*box2d.b2Cross_V2_V2(l,c),r.SelfMulAdd(s,c),i+=d*box2d.b2Cross_V2_V2(x,c)}else y=box2d.b2Sub_V2_V2(box2d.b2Add_V2_V2(r,x,box2d.b2Vec2.s_t0),box2d.b2Add_V2_V2(t,l,box2d.b2Vec2.s_t1),box2d.b2WeldJoint.prototype.SolvePositionConstraints.s_C1),x=i-e-this.m_referenceAngle,n=y.Length(),b=box2d.b2Abs(x),l=box2d.b2WeldJoint.prototype.SolvePositionConstraints.s_impulse,0<c.ez.z?c.Solve33(y.x,y.y,x,l).SelfNeg():(c=c.Solve22(y.x,y.y,box2d.b2WeldJoint.prototype.SolvePositionConstraints.s_impulse2).SelfNeg(),l.x=c.x,l.y=c.y,l.z=0),c=box2d.b2WeldJoint.prototype.SolvePositionConstraints.s_P.Set(l.x,l.y),t.SelfMulSub(p,c),e-=a*(box2d.b2Cross_V2_V2(this.m_rA,c)+l.z),r.SelfMulAdd(s,c),i+=d*(box2d.b2Cross_V2_V2(this.m_rB,c)+l.z);return o.positions[this.m_indexA].a=e,o.positions[this.m_indexB].a=i,n<=box2d.b2_linearSlop&&b<=box2d.b2_angularSlop},goog.exportProperty(box2d.b2WeldJoint.prototype,"SolvePositionConstraints",box2d.b2WeldJoint.prototype.SolvePositionConstraints);box2d.b2WeldJoint.prototype.SolvePositionConstraints.s_C1=new box2d.b2Vec2,box2d.b2WeldJoint.prototype.SolvePositionConstraints.s_P=new box2d.b2Vec2,box2d.b2WeldJoint.prototype.SolvePositionConstraints.s_impulse=new box2d.b2Vec3,box2d.b2WeldJoint.prototype.SolvePositionConstraints.s_impulse2=new box2d.b2Vec2,box2d.b2WeldJoint.prototype.GetAnchorA=function(o){return this.m_bodyA.GetWorldPoint(this.m_localAnchorA,o)},goog.exportProperty(box2d.b2WeldJoint.prototype,"GetAnchorA",box2d.b2WeldJoint.prototype.GetAnchorA),box2d.b2WeldJoint.prototype.GetAnchorB=function(o){return this.m_bodyB.GetWorldPoint(this.m_localAnchorB,o)},goog.exportProperty(box2d.b2WeldJoint.prototype,"GetAnchorB",box2d.b2WeldJoint.prototype.GetAnchorB),box2d.b2WeldJoint.prototype.GetReactionForce=function(o,t){return t.Set(o*this.m_impulse.x,o*this.m_impulse.y)},goog.exportProperty(box2d.b2WeldJoint.prototype,"GetReactionForce",box2d.b2WeldJoint.prototype.GetReactionForce),box2d.b2WeldJoint.prototype.GetReactionTorque=function(o){return o*this.m_impulse.z},goog.exportProperty(box2d.b2WeldJoint.prototype,"GetReactionTorque",box2d.b2WeldJoint.prototype.GetReactionTorque),box2d.b2WeldJoint.prototype.GetLocalAnchorA=function(o){return o.Copy(this.m_localAnchorA)},goog.exportProperty(box2d.b2WeldJoint.prototype,"GetLocalAnchorA",box2d.b2WeldJoint.prototype.GetLocalAnchorA),box2d.b2WeldJoint.prototype.GetLocalAnchorB=function(o){return o.Copy(this.m_localAnchorB)},goog.exportProperty(box2d.b2WeldJoint.prototype,"GetLocalAnchorB",box2d.b2WeldJoint.prototype.GetLocalAnchorB),box2d.b2WeldJoint.prototype.GetReferenceAngle=function(){return this.m_referenceAngle},goog.exportProperty(box2d.b2WeldJoint.prototype,"GetReferenceAngle",box2d.b2WeldJoint.prototype.GetReferenceAngle),box2d.b2WeldJoint.prototype.SetFrequency=function(o){this.m_frequencyHz=o},box2d.b2WeldJoint.prototype.GetFrequency=function(){return this.m_frequencyHz},goog.exportProperty(box2d.b2WeldJoint.prototype,"GetFrequency",box2d.b2WeldJoint.prototype.GetFrequency),box2d.b2WeldJoint.prototype.SetDampingRatio=function(o){this.m_dampingRatio=o},box2d.b2WeldJoint.prototype.GetDampingRatio=function(){return this.m_dampingRatio},goog.exportProperty(box2d.b2WeldJoint.prototype,"GetDampingRatio",box2d.b2WeldJoint.prototype.GetDampingRatio),box2d.b2WeldJoint.prototype.Dump=function(){if(box2d.DEBUG){var o=this.m_bodyA.m_islandIndex,t=this.m_bodyB.m_islandIndex;box2d.b2Log("  /*box2d.b2WeldJointDef*/ var jd = new box2d.b2WeldJointDef();\n"),box2d.b2Log("  jd.bodyA = bodies[%d];\n",o),box2d.b2Log("  jd.bodyB = bodies[%d];\n",t),box2d.b2Log("  jd.collideConnected = %s;\n",this.m_collideConnected?"true":"false"),box2d.b2Log("  jd.localAnchorA.Set(%.15f, %.15f);\n",this.m_localAnchorA.x,this.m_localAnchorA.y),box2d.b2Log("  jd.localAnchorB.Set(%.15f, %.15f);\n",this.m_localAnchorB.x,this.m_localAnchorB.y),box2d.b2Log("  jd.referenceAngle = %.15f;\n",this.m_referenceAngle),box2d.b2Log("  jd.frequencyHz = %.15f;\n",this.m_frequencyHz),box2d.b2Log("  jd.dampingRatio = %.15f;\n",this.m_dampingRatio),box2d.b2Log("  joints[%d] = this.m_world.CreateJoint(jd);\n",this.m_index)}},goog.exportProperty(box2d.b2WeldJoint.prototype,"Dump",box2d.b2WeldJoint.prototype.Dump),box2d.b2WheelJointDef=function(){box2d.b2JointDef.call(this,box2d.b2JointType.e_wheelJoint),this.localAnchorA=new box2d.b2Vec2(0,0),this.localAnchorB=new box2d.b2Vec2(0,0),this.localAxisA=new box2d.b2Vec2(1,0)},goog.inherits(box2d.b2WheelJointDef,box2d.b2JointDef),goog.exportSymbol("box2d.b2WheelJointDef",box2d.b2WheelJointDef),box2d.b2WheelJointDef.prototype.localAnchorA=null,goog.exportProperty(box2d.b2WheelJointDef.prototype,"localAnchorA",box2d.b2WheelJointDef.prototype.localAnchorA),box2d.b2WheelJointDef.prototype.localAnchorB=null,goog.exportProperty(box2d.b2WheelJointDef.prototype,"localAnchorB",box2d.b2WheelJointDef.prototype.localAnchorB),box2d.b2WheelJointDef.prototype.localAxisA=null,goog.exportProperty(box2d.b2WheelJointDef.prototype,"localAxisA",box2d.b2WheelJointDef.prototype.localAxisA),box2d.b2WheelJointDef.prototype.enableMotor=!1,goog.exportProperty(box2d.b2WheelJointDef.prototype,"enableMotor",box2d.b2WheelJointDef.prototype.enableMotor),box2d.b2WheelJointDef.prototype.maxMotorTorque=0,goog.exportProperty(box2d.b2WheelJointDef.prototype,"maxMotorTorque",box2d.b2WheelJointDef.prototype.maxMotorTorque),box2d.b2WheelJointDef.prototype.motorSpeed=0,goog.exportProperty(box2d.b2WheelJointDef.prototype,"motorSpeed",box2d.b2WheelJointDef.prototype.motorSpeed),box2d.b2WheelJointDef.prototype.frequencyHz=2,goog.exportProperty(box2d.b2WheelJointDef.prototype,"frequencyHz",box2d.b2WheelJointDef.prototype.frequencyHz),box2d.b2WheelJointDef.prototype.dampingRatio=.7,goog.exportProperty(box2d.b2WheelJointDef.prototype,"dampingRatio",box2d.b2WheelJointDef.prototype.dampingRatio),box2d.b2WheelJointDef.prototype.Initialize=function(o,t,e,r){this.bodyA=o,this.bodyB=t,this.bodyA.GetLocalPoint(e,this.localAnchorA),this.bodyB.GetLocalPoint(e,this.localAnchorB),this.bodyA.GetLocalVector(r,this.localAxisA)},goog.exportProperty(box2d.b2WheelJointDef.prototype,"Initialize",box2d.b2WheelJointDef.prototype.Initialize),box2d.b2WheelJoint=function(o){box2d.b2Joint.call(this,o),this.m_frequencyHz=o.frequencyHz,this.m_dampingRatio=o.dampingRatio,this.m_localAnchorA=o.localAnchorA.Clone(),this.m_localAnchorB=o.localAnchorB.Clone(),this.m_localXAxisA=o.localAxisA.Clone(),this.m_localYAxisA=box2d.b2Cross_S_V2(1,this.m_localXAxisA,new box2d.b2Vec2),this.m_maxMotorTorque=o.maxMotorTorque,this.m_motorSpeed=o.motorSpeed,this.m_enableMotor=o.enableMotor,this.m_localCenterA=new box2d.b2Vec2,this.m_localCenterB=new box2d.b2Vec2,this.m_ax=new box2d.b2Vec2,this.m_ay=new box2d.b2Vec2,this.m_qA=new box2d.b2Rot,this.m_qB=new box2d.b2Rot,this.m_lalcA=new box2d.b2Vec2,this.m_lalcB=new box2d.b2Vec2,this.m_rA=new box2d.b2Vec2,this.m_rB=new box2d.b2Vec2,this.m_ax.SetZero(),this.m_ay.SetZero()},goog.inherits(box2d.b2WheelJoint,box2d.b2Joint),goog.exportSymbol("box2d.b2WheelJoint",box2d.b2WheelJoint),box2d.b2WheelJoint.prototype.m_frequencyHz=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_frequencyHz",box2d.b2WheelJoint.prototype.m_frequencyHz),box2d.b2WheelJoint.prototype.m_dampingRatio=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_dampingRatio",box2d.b2WheelJoint.prototype.m_dampingRatio),box2d.b2WheelJoint.prototype.m_localAnchorA=null,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_localAnchorA",box2d.b2WheelJoint.prototype.m_localAnchorA),box2d.b2WheelJoint.prototype.m_localAnchorB=null,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_localAnchorB",box2d.b2WheelJoint.prototype.m_localAnchorB),box2d.b2WheelJoint.prototype.m_localXAxisA=null,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_localXAxisA",box2d.b2WheelJoint.prototype.m_localXAxisA),box2d.b2WheelJoint.prototype.m_localYAxisA=null,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_localYAxisA",box2d.b2WheelJoint.prototype.m_localYAxisA),box2d.b2WheelJoint.prototype.m_impulse=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_impulse",box2d.b2WheelJoint.prototype.m_impulse),box2d.b2WheelJoint.prototype.m_motorImpulse=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_motorImpulse",box2d.b2WheelJoint.prototype.m_motorImpulse),box2d.b2WheelJoint.prototype.m_springImpulse=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_springImpulse",box2d.b2WheelJoint.prototype.m_springImpulse),box2d.b2WheelJoint.prototype.m_maxMotorTorque=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_maxMotorTorque",box2d.b2WheelJoint.prototype.m_maxMotorTorque),box2d.b2WheelJoint.prototype.m_motorSpeed=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_motorSpeed",box2d.b2WheelJoint.prototype.m_motorSpeed),box2d.b2WheelJoint.prototype.m_enableMotor=!1,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_enableMotor",box2d.b2WheelJoint.prototype.m_enableMotor),box2d.b2WheelJoint.prototype.m_indexA=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_indexA",box2d.b2WheelJoint.prototype.m_indexA),box2d.b2WheelJoint.prototype.m_indexB=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_indexB",box2d.b2WheelJoint.prototype.m_indexB),box2d.b2WheelJoint.prototype.m_localCenterA=null,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_localCenterA",box2d.b2WheelJoint.prototype.m_localCenterA),box2d.b2WheelJoint.prototype.m_localCenterB=null,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_localCenterB",box2d.b2WheelJoint.prototype.m_localCenterB),box2d.b2WheelJoint.prototype.m_invMassA=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_invMassA",box2d.b2WheelJoint.prototype.m_invMassA),box2d.b2WheelJoint.prototype.m_invMassB=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_invMassB",box2d.b2WheelJoint.prototype.m_invMassB),box2d.b2WheelJoint.prototype.m_invIA=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_invIA",box2d.b2WheelJoint.prototype.m_invIA),box2d.b2WheelJoint.prototype.m_invIB=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_invIB",box2d.b2WheelJoint.prototype.m_invIB),box2d.b2WheelJoint.prototype.m_ax=null,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_ax",box2d.b2WheelJoint.prototype.m_ax),box2d.b2WheelJoint.prototype.m_ay=null,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_ay",box2d.b2WheelJoint.prototype.m_ay),box2d.b2WheelJoint.prototype.m_sAx=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_sAx",box2d.b2WheelJoint.prototype.m_sAx),box2d.b2WheelJoint.prototype.m_sBx=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_sBx",box2d.b2WheelJoint.prototype.m_sBx),box2d.b2WheelJoint.prototype.m_sAy=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_sAy",box2d.b2WheelJoint.prototype.m_sAy),box2d.b2WheelJoint.prototype.m_sBy=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_sBy",box2d.b2WheelJoint.prototype.m_sBy),box2d.b2WheelJoint.prototype.m_mass=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_mass",box2d.b2WheelJoint.prototype.m_mass),box2d.b2WheelJoint.prototype.m_motorMass=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_motorMass",box2d.b2WheelJoint.prototype.m_motorMass),box2d.b2WheelJoint.prototype.m_springMass=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_springMass",box2d.b2WheelJoint.prototype.m_springMass),box2d.b2WheelJoint.prototype.m_bias=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_bias",box2d.b2WheelJoint.prototype.m_bias),box2d.b2WheelJoint.prototype.m_gamma=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_gamma",box2d.b2WheelJoint.prototype.m_gamma),box2d.b2WheelJoint.prototype.m_qA=null,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_qA",box2d.b2WheelJoint.prototype.m_qA),box2d.b2WheelJoint.prototype.m_qB=null,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_qB",box2d.b2WheelJoint.prototype.m_qB),box2d.b2WheelJoint.prototype.m_lalcA=null,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_lalcA",box2d.b2WheelJoint.prototype.m_lalcA),box2d.b2WheelJoint.prototype.m_lalcB=null,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_lalcB",box2d.b2WheelJoint.prototype.m_lalcB),box2d.b2WheelJoint.prototype.m_rA=null,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_rA",box2d.b2WheelJoint.prototype.m_rA),box2d.b2WheelJoint.prototype.m_rB=null,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_rB",box2d.b2WheelJoint.prototype.m_rB),box2d.b2WheelJoint.prototype.GetMotorSpeed=function(){return this.m_motorSpeed},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetMotorSpeed",box2d.b2WheelJoint.prototype.GetMotorSpeed),box2d.b2WheelJoint.prototype.GetMaxMotorTorque=function(){return this.m_maxMotorTorque},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetMaxMotorTorque",box2d.b2WheelJoint.prototype.GetMaxMotorTorque),box2d.b2WheelJoint.prototype.SetSpringFrequencyHz=function(o){this.m_frequencyHz=o},goog.exportProperty(box2d.b2WheelJoint.prototype,"SetSpringFrequencyHz",box2d.b2WheelJoint.prototype.SetSpringFrequencyHz),box2d.b2WheelJoint.prototype.GetSpringFrequencyHz=function(){return this.m_frequencyHz},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetSpringFrequencyHz",box2d.b2WheelJoint.prototype.GetSpringFrequencyHz),box2d.b2WheelJoint.prototype.SetSpringDampingRatio=function(o){this.m_dampingRatio=o},goog.exportProperty(box2d.b2WheelJoint.prototype,"SetSpringDampingRatio",box2d.b2WheelJoint.prototype.SetSpringDampingRatio),box2d.b2WheelJoint.prototype.GetSpringDampingRatio=function(){return this.m_dampingRatio},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetSpringDampingRatio",box2d.b2WheelJoint.prototype.GetSpringDampingRatio),box2d.b2WheelJoint.prototype.InitVelocityConstraints=function(o){this.m_indexA=this.m_bodyA.m_islandIndex,this.m_indexB=this.m_bodyB.m_islandIndex,this.m_localCenterA.Copy(this.m_bodyA.m_sweep.localCenter),this.m_localCenterB.Copy(this.m_bodyB.m_sweep.localCenter),this.m_invMassA=this.m_bodyA.m_invMass,this.m_invMassB=this.m_bodyB.m_invMass,this.m_invIA=this.m_bodyA.m_invI,this.m_invIB=this.m_bodyB.m_invI;var t=this.m_invMassA,e=this.m_invMassB,r=this.m_invIA,i=this.m_invIB,b=o.positions[this.m_indexA].c,n=o.velocities[this.m_indexA].v,p=o.velocities[this.m_indexA].w,s=o.positions[this.m_indexB].c,a=o.positions[this.m_indexB].a,d=o.velocities[this.m_indexB].v,l=o.velocities[this.m_indexB].w,x=this.m_qA.SetAngle(o.positions[this.m_indexA].a),y=this.m_qB.SetAngle(a);box2d.b2Sub_V2_V2(this.m_localAnchorA,this.m_localCenterA,this.m_lalcA),a=box2d.b2Mul_R_V2(x,this.m_lalcA,this.m_rA),box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_localCenterB,this.m_lalcB),y=box2d.b2Mul_R_V2(y,this.m_lalcB,this.m_rB),b=box2d.b2Sub_V2_V2(box2d.b2Add_V2_V2(s,y,box2d.b2Vec2.s_t0),box2d.b2Add_V2_V2(b,a,box2d.b2Vec2.s_t1),box2d.b2WheelJoint.prototype.InitVelocityConstraints.s_d),box2d.b2Mul_R_V2(x,this.m_localYAxisA,this.m_ay),this.m_sAy=box2d.b2Cross_V2_V2(box2d.b2Add_V2_V2(b,a,box2d.b2Vec2.s_t0),this.m_ay),this.m_sBy=box2d.b2Cross_V2_V2(y,this.m_ay),this.m_mass=t+e+r*this.m_sAy*this.m_sAy+i*this.m_sBy*this.m_sBy,0<this.m_mass&&(this.m_mass=1/this.m_mass),this.m_gamma=this.m_bias=this.m_springMass=0,0<this.m_frequencyHz?(box2d.b2Mul_R_V2(x,this.m_localXAxisA,this.m_ax),this.m_sAx=box2d.b2Cross_V2_V2(box2d.b2Add_V2_V2(b,a,box2d.b2Vec2.s_t0),this.m_ax),this.m_sBx=box2d.b2Cross_V2_V2(y,this.m_ax),0<(t=t+e+r*this.m_sAx*this.m_sAx+i*this.m_sBx*this.m_sBx)&&(this.m_springMass=1/t,e=box2d.b2Dot_V2_V2(b,this.m_ax),x=2*box2d.b2_pi*this.m_frequencyHz,b=this.m_springMass*x*x,s=o.step.dt,this.m_gamma=s*(2*this.m_springMass*this.m_dampingRatio*x+s*b),0<this.m_gamma&&(this.m_gamma=1/this.m_gamma),this.m_bias=e*s*b*this.m_gamma,this.m_springMass=t+this.m_gamma,0<this.m_springMass&&(this.m_springMass=1/this.m_springMass))):this.m_springImpulse=0,this.m_enableMotor?(this.m_motorMass=r+i,0<this.m_motorMass&&(this.m_motorMass=1/this.m_motorMass)):this.m_motorImpulse=this.m_motorMass=0,o.step.warmStarting?(this.m_impulse*=o.step.dtRatio,this.m_springImpulse*=o.step.dtRatio,this.m_motorImpulse*=o.step.dtRatio,r=box2d.b2Add_V2_V2(box2d.b2Mul_S_V2(this.m_impulse,this.m_ay,box2d.b2Vec2.s_t0),box2d.b2Mul_S_V2(this.m_springImpulse,this.m_ax,box2d.b2Vec2.s_t1),box2d.b2WheelJoint.prototype.InitVelocityConstraints.s_P),i=this.m_impulse*this.m_sAy+this.m_springImpulse*this.m_sAx+this.m_motorImpulse,t=this.m_impulse*this.m_sBy+this.m_springImpulse*this.m_sBx+this.m_motorImpulse,n.SelfMulSub(this.m_invMassA,r),p-=this.m_invIA*i,d.SelfMulAdd(this.m_invMassB,r),l+=this.m_invIB*t):this.m_motorImpulse=this.m_springImpulse=this.m_impulse=0,o.velocities[this.m_indexA].w=p,o.velocities[this.m_indexB].w=l},goog.exportProperty(box2d.b2WheelJoint.prototype,"InitVelocityConstraints",box2d.b2WheelJoint.prototype.InitVelocityConstraints),box2d.b2WheelJoint.prototype.InitVelocityConstraints.s_d=new box2d.b2Vec2,box2d.b2WheelJoint.prototype.InitVelocityConstraints.s_P=new box2d.b2Vec2,box2d.b2WheelJoint.prototype.SolveVelocityConstraints=function(o){var t=this.m_invMassA,e=this.m_invMassB,r=this.m_invIA,i=this.m_invIB,b=o.velocities[this.m_indexA].v,n=o.velocities[this.m_indexA].w,p=o.velocities[this.m_indexB].v,s=o.velocities[this.m_indexB].w,a=box2d.b2Dot_V2_V2(this.m_ax,box2d.b2Sub_V2_V2(p,b,box2d.b2Vec2.s_t0))+this.m_sBx*s-this.m_sAx*n;a=-this.m_springMass*(a+this.m_bias+this.m_gamma*this.m_springImpulse);this.m_springImpulse+=a;var d=box2d.b2Mul_S_V2(a,this.m_ax,box2d.b2WheelJoint.prototype.SolveVelocityConstraints.s_P),l=a*this.m_sAx;a*=this.m_sBx;b.SelfMulSub(t,d),n-=r*l,p.SelfMulAdd(e,d),a=(s+=i*a)-n-this.m_motorSpeed,a*=-this.m_motorMass,d=this.m_motorImpulse,l=o.step.dt*this.m_maxMotorTorque,this.m_motorImpulse=box2d.b2Clamp(this.m_motorImpulse+a,-l,l),n-=r*(a=this.m_motorImpulse-d),s+=i*a,a=box2d.b2Dot_V2_V2(this.m_ay,box2d.b2Sub_V2_V2(p,b,box2d.b2Vec2.s_t0))+this.m_sBy*s-this.m_sAy*n,a*=-this.m_mass,this.m_impulse+=a,d=box2d.b2Mul_S_V2(a,this.m_ay,box2d.b2WheelJoint.prototype.SolveVelocityConstraints.s_P),l=a*this.m_sAy,a*=this.m_sBy,b.SelfMulSub(t,d),n-=r*l,p.SelfMulAdd(e,d),o.velocities[this.m_indexA].w=n,o.velocities[this.m_indexB].w=s+i*a},goog.exportProperty(box2d.b2WheelJoint.prototype,"SolveVelocityConstraints",box2d.b2WheelJoint.prototype.SolveVelocityConstraints),box2d.b2WheelJoint.prototype.SolveVelocityConstraints.s_P=new box2d.b2Vec2,box2d.b2WheelJoint.prototype.SolvePositionConstraints=function(o){var t=o.positions[this.m_indexA].c,e=o.positions[this.m_indexA].a,r=o.positions[this.m_indexB].c,i=o.positions[this.m_indexB].a,b=this.m_qA.SetAngle(e),n=this.m_qB.SetAngle(i);box2d.b2Sub_V2_V2(this.m_localAnchorA,this.m_localCenterA,this.m_lalcA);var p=box2d.b2Mul_R_V2(b,this.m_lalcA,this.m_rA);box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_localCenterB,this.m_lalcB);n=box2d.b2Mul_R_V2(n,this.m_lalcB,this.m_rB);var s=box2d.b2Add_V2_V2(box2d.b2Sub_V2_V2(r,t,box2d.b2Vec2.s_t0),box2d.b2Sub_V2_V2(n,p,box2d.b2Vec2.s_t1),box2d.b2WheelJoint.prototype.SolvePositionConstraints.s_d),a=(b=box2d.b2Mul_R_V2(b,this.m_localYAxisA,this.m_ay),p=box2d.b2Cross_V2_V2(box2d.b2Add_V2_V2(s,p,box2d.b2Vec2.s_t0),b),n=box2d.b2Cross_V2_V2(n,b),s=box2d.b2Dot_V2_V2(s,this.m_ay),0!==(a=this.m_invMassA+this.m_invMassB+this.m_invIA*this.m_sAy*this.m_sAy+this.m_invIB*this.m_sBy*this.m_sBy)?-s/a:0);b=box2d.b2Mul_S_V2(a,b,box2d.b2WheelJoint.prototype.SolvePositionConstraints.s_P),p*=a,n*=a;return t.SelfMulSub(this.m_invMassA,b),e-=this.m_invIA*p,r.SelfMulAdd(this.m_invMassB,b),i+=this.m_invIB*n,o.positions[this.m_indexA].a=e,o.positions[this.m_indexB].a=i,box2d.b2Abs(s)<=box2d.b2_linearSlop},goog.exportProperty(box2d.b2WheelJoint.prototype,"SolvePositionConstraints",box2d.b2WheelJoint.prototype.SolvePositionConstraints),box2d.b2WheelJoint.prototype.SolvePositionConstraints.s_d=new box2d.b2Vec2,box2d.b2WheelJoint.prototype.SolvePositionConstraints.s_P=new box2d.b2Vec2,box2d.b2WheelJoint.prototype.GetDefinition=function(o){return box2d.ENABLE_ASSERTS&&box2d.b2Assert(!1),o},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetDefinition",box2d.b2WheelJoint.prototype.GetDefinition),box2d.b2WheelJoint.prototype.GetAnchorA=function(o){return this.m_bodyA.GetWorldPoint(this.m_localAnchorA,o)},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetAnchorA",box2d.b2WheelJoint.prototype.GetAnchorA),box2d.b2WheelJoint.prototype.GetAnchorB=function(o){return this.m_bodyB.GetWorldPoint(this.m_localAnchorB,o)},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetAnchorB",box2d.b2WheelJoint.prototype.GetAnchorB),box2d.b2WheelJoint.prototype.GetReactionForce=function(o,t){return t.x=o*(this.m_impulse*this.m_ay.x+this.m_springImpulse*this.m_ax.x),t.y=o*(this.m_impulse*this.m_ay.y+this.m_springImpulse*this.m_ax.y),t},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetReactionForce",box2d.b2WheelJoint.prototype.GetReactionForce),box2d.b2WheelJoint.prototype.GetReactionTorque=function(o){return o*this.m_motorImpulse},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetReactionTorque",box2d.b2WheelJoint.prototype.GetReactionTorque),box2d.b2WheelJoint.prototype.GetLocalAnchorA=function(o){return o.Copy(this.m_localAnchorA)},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetLocalAnchorA",box2d.b2WheelJoint.prototype.GetLocalAnchorA),box2d.b2WheelJoint.prototype.GetLocalAnchorB=function(o){return o.Copy(this.m_localAnchorB)},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetLocalAnchorB",box2d.b2WheelJoint.prototype.GetLocalAnchorB),box2d.b2WheelJoint.prototype.GetLocalAxisA=function(o){return o.Copy(this.m_localXAxisA)},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetLocalAxisA",box2d.b2WheelJoint.prototype.GetLocalAxisA),box2d.b2WheelJoint.prototype.GetJointTranslation=function(){return this.GetPrismaticJointTranslation()},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetJointTranslation",box2d.b2WheelJoint.prototype.GetJointTranslation),box2d.b2WheelJoint.prototype.GetJointSpeed=function(){return this.GetRevoluteJointSpeed()},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetJointSpeed",box2d.b2WheelJoint.prototype.GetJointSpeed),box2d.b2WheelJoint.prototype.GetPrismaticJointTranslation=function(){var o=this.m_bodyA,t=this.m_bodyB,e=o.GetWorldPoint(this.m_localAnchorA,new box2d.b2Vec2);t=t.GetWorldPoint(this.m_localAnchorB,new box2d.b2Vec2),e=box2d.b2Sub_V2_V2(t,e,new box2d.b2Vec2),o=o.GetWorldVector(this.m_localXAxisA,new box2d.b2Vec2);return box2d.b2Dot_V2_V2(e,o)},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetPrismaticJointTranslation",box2d.b2WheelJoint.prototype.GetPrismaticJointTranslation),box2d.b2WheelJoint.prototype.GetPrismaticJointSpeed=function(){var o=this.m_bodyA,t=this.m_bodyB;box2d.b2Sub_V2_V2(this.m_localAnchorA,o.m_sweep.localCenter,this.m_lalcA);var e=box2d.b2Mul_R_V2(o.m_xf.q,this.m_lalcA,this.m_rA);box2d.b2Sub_V2_V2(this.m_localAnchorB,t.m_sweep.localCenter,this.m_lalcB);var r=box2d.b2Mul_R_V2(t.m_xf.q,this.m_lalcB,this.m_rB),i=box2d.b2Add_V2_V2(o.m_sweep.c,e,box2d.b2Vec2.s_t0),b=box2d.b2Add_V2_V2(t.m_sweep.c,r,box2d.b2Vec2.s_t1),n=(i=box2d.b2Sub_V2_V2(b,i,box2d.b2Vec2.s_t2),b=o.GetWorldVector(this.m_localXAxisA,new box2d.b2Vec2),o.m_linearVelocity),p=t.m_linearVelocity;o=o.m_angularVelocity,t=t.m_angularVelocity;return box2d.b2Dot_V2_V2(i,box2d.b2Cross_S_V2(o,b,box2d.b2Vec2.s_t0))+box2d.b2Dot_V2_V2(b,box2d.b2Sub_V2_V2(box2d.b2AddCross_V2_S_V2(p,t,r,box2d.b2Vec2.s_t0),box2d.b2AddCross_V2_S_V2(n,o,e,box2d.b2Vec2.s_t1),box2d.b2Vec2.s_t0))},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetPrismaticJointSpeed",box2d.b2WheelJoint.prototype.GetPrismaticJointSpeed),box2d.b2WheelJoint.prototype.GetRevoluteJointAngle=function(){return this.m_bodyB.m_sweep.a-this.m_bodyA.m_sweep.a},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetRevoluteJointAngle",box2d.b2WheelJoint.prototype.GetRevoluteJointAngle),box2d.b2WheelJoint.prototype.GetRevoluteJointSpeed=function(){return this.m_bodyB.m_angularVelocity-this.m_bodyA.m_angularVelocity},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetRevoluteJointSpeed",box2d.b2WheelJoint.prototype.GetRevoluteJointSpeed),box2d.b2WheelJoint.prototype.IsMotorEnabled=function(){return 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0===this.r&&0===this.g&&0===this.b&&0===this.a},goog.exportProperty(box2d.b2ParticleColor.prototype,"IsZero",box2d.b2ParticleColor.prototype.IsZero),box2d.b2ParticleColor.prototype.GetColor=function(o){return o.r=this.r/255,o.g=this.g/255,o.b=this.b/255,o.a=this.a/255,o},goog.exportProperty(box2d.b2ParticleColor.prototype,"GetColor",box2d.b2ParticleColor.prototype.GetColor),box2d.b2ParticleColor.prototype.Set=function(o,t,e,r){if(o instanceof box2d.b2Color)this.SetColor(o);else{if(!(3<=arguments.length))throw Error();this.SetRGBA(o||0,t||0,e||0,r)}},goog.exportProperty(box2d.b2ParticleColor.prototype,"Set",box2d.b2ParticleColor.prototype.Set),box2d.b2ParticleColor.prototype.SetRGBA=function(o,t,e,r){this.r=o,this.g=t,this.b=e,this.a="number"==typeof r?r:255},goog.exportProperty(box2d.b2ParticleColor.prototype,"SetRGBA",box2d.b2ParticleColor.prototype.SetRGBA),box2d.b2ParticleColor.prototype.SetColor=function(o){this.r=255*o.r,this.g=255*o.g,this.b=255*o.b,this.a=255*o.a},goog.exportProperty(box2d.b2ParticleColor.prototype,"SetColor",box2d.b2ParticleColor.prototype.SetColor),box2d.b2ParticleColor.prototype.Copy=function(o){return this.r=o.r,this.g=o.g,this.b=o.b,this.a=o.a,this},goog.exportProperty(box2d.b2ParticleColor.prototype,"Copy",box2d.b2ParticleColor.prototype.Copy),box2d.b2ParticleColor.prototype.Clone=function(){return new box2d.b2ParticleColor(this.r,this.g,this.b,this.a)},box2d.b2ParticleColor.prototype.SelfMul_0_1=function(o){return this.r*=o,this.g*=o,this.b*=o,this.a*=o,this},goog.exportProperty(box2d.b2ParticleColor.prototype,"SelfMul_0_1",box2d.b2ParticleColor.prototype.SelfMul_0_1),box2d.b2ParticleColor.prototype.SelfMul_0_255=function(o){return o+=1,this.r=this.r*o>>box2d.b2ParticleColor.k_bitsPerComponent,this.g=this.g*o>>box2d.b2ParticleColor.k_bitsPerComponent,this.b=this.b*o>>box2d.b2ParticleColor.k_bitsPerComponent,this.a=this.a*o>>box2d.b2ParticleColor.k_bitsPerComponent,this},goog.exportProperty(box2d.b2ParticleColor.prototype,"SelfMul_0_255",box2d.b2ParticleColor.prototype.SelfMul_0_255),box2d.b2ParticleColor.prototype.Mul_0_1=function(o,t){return t.Copy(this).SelfMul_0_1(o)},goog.exportProperty(box2d.b2ParticleColor.prototype,"Mul_0_1",box2d.b2ParticleColor.prototype.Mul_0_1),box2d.b2ParticleColor.prototype.Mul_0_255=function(o,t){return t.Copy(this).SelfMul_0_255(o)},goog.exportProperty(box2d.b2ParticleColor.prototype,"Mul_0_255",box2d.b2ParticleColor.prototype.Mul_0_255),box2d.b2ParticleColor.prototype.SelfAdd=function(o){return this.r+=o.r,this.g+=o.g,this.b+=o.b,this.a+=o.a,this},goog.exportProperty(box2d.b2ParticleColor.prototype,"SelfAdd",box2d.b2ParticleColor.prototype.SelfAdd),box2d.b2ParticleColor.prototype.Add=function(o,t){return t.r=this.r+o.r,t.g=this.g+o.g,t.b=this.b+o.b,t.a=this.a+o.a,t},goog.exportProperty(box2d.b2ParticleColor.prototype,"Add",box2d.b2ParticleColor.prototype.Add),box2d.b2ParticleColor.prototype.SelfSub=function(o){return this.r-=o.r,this.g-=o.g,this.b-=o.b,this.a-=o.a,this},goog.exportProperty(box2d.b2ParticleColor.prototype,"SelfSub",box2d.b2ParticleColor.prototype.SelfSub),box2d.b2ParticleColor.prototype.Sub=function(o,t){return t.r=this.r-o.r,t.g=this.g-o.g,t.b=this.b-o.b,t.a=this.a-o.a,t},goog.exportProperty(box2d.b2ParticleColor.prototype,"Sub",box2d.b2ParticleColor.prototype.Sub),box2d.b2ParticleColor.prototype.IsEqual=function(o){return this.r===o.r&&this.g===o.g&&this.b===o.b&&this.a===o.a},goog.exportProperty(box2d.b2ParticleColor.prototype,"IsEqual",box2d.b2ParticleColor.prototype.IsEqual),box2d.b2ParticleColor.prototype.Mix=function(o,t){box2d.b2ParticleColor.MixColors(this,o,t)},goog.exportProperty(box2d.b2ParticleColor.prototype,"Mix",box2d.b2ParticleColor.prototype.Mix),box2d.b2ParticleColor.MixColors=function(o,t,e){var r=e*(t.r-o.r)>>box2d.b2ParticleColor.k_bitsPerComponent,i=e*(t.g-o.g)>>box2d.b2ParticleColor.k_bitsPerComponent,b=e*(t.b-o.b)>>box2d.b2ParticleColor.k_bitsPerComponent;e=e*(t.a-o.a)>>box2d.b2ParticleColor.k_bitsPerComponent,o.r+=r,o.g+=i,o.b+=b,o.a+=e,t.r-=r,t.g-=i,t.b-=b,t.a-=e},goog.exportProperty(box2d.b2ParticleColor,"MixColors",box2d.b2ParticleColor.MixColors),box2d.B2PARTICLECOLOR_BITS_PER_COMPONENT=8,box2d.B2PARTICLECOLOR_MAX_VALUE=(1<<box2d.B2PARTICLECOLOR_BITS_PER_COMPONENT)-1,box2d.b2ParticleColor.k_maxValue=+box2d.B2PARTICLECOLOR_MAX_VALUE,goog.exportProperty(box2d.b2ParticleColor,"k_maxValue",box2d.b2ParticleColor.k_maxValue),box2d.b2ParticleColor.k_inverseMaxValue=1/+box2d.B2PARTICLECOLOR_MAX_VALUE,goog.exportProperty(box2d.b2ParticleColor,"k_inverseMaxValue",box2d.b2ParticleColor.k_inverseMaxValue),box2d.b2ParticleColor.k_bitsPerComponent=box2d.B2PARTICLECOLOR_BITS_PER_COMPONENT,goog.exportProperty(box2d.b2ParticleColor,"k_bitsPerComponent",box2d.b2ParticleColor.k_bitsPerComponent),box2d.b2ParticleColor_zero=new 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box2d.b2Vec2(0,0)},goog.exportSymbol("box2d.b2ParticleTriad",box2d.b2ParticleTriad),box2d.b2ParticleTriad.prototype.indexA=0,goog.exportProperty(box2d.b2ParticleTriad.prototype,"indexA",box2d.b2ParticleTriad.prototype.indexA),box2d.b2ParticleTriad.prototype.indexB=0,goog.exportProperty(box2d.b2ParticleTriad.prototype,"indexB",box2d.b2ParticleTriad.prototype.indexB),box2d.b2ParticleTriad.prototype.indexC=0,goog.exportProperty(box2d.b2ParticleTriad.prototype,"indexC",box2d.b2ParticleTriad.prototype.indexC),box2d.b2ParticleTriad.prototype.flags=0,goog.exportProperty(box2d.b2ParticleTriad.prototype,"flags",box2d.b2ParticleTriad.prototype.flags),box2d.b2ParticleTriad.prototype.strength=0,goog.exportProperty(box2d.b2ParticleTriad.prototype,"strength",box2d.b2ParticleTriad.prototype.strength),box2d.b2ParticleTriad.prototype.pa=null,goog.exportProperty(box2d.b2ParticleTriad.prototype,"pa",box2d.b2ParticleTriad.prototype.pa),box2d.b2ParticleTriad.prototype.pb=null,goog.exportProperty(box2d.b2ParticleTriad.prototype,"pb",box2d.b2ParticleTriad.prototype.pb),box2d.b2ParticleTriad.prototype.pc=null,goog.exportProperty(box2d.b2ParticleTriad.prototype,"pc",box2d.b2ParticleTriad.prototype.pc),box2d.b2ParticleTriad.prototype.ka=0,goog.exportProperty(box2d.b2ParticleTriad.prototype,"ka",box2d.b2ParticleTriad.prototype.ka),box2d.b2ParticleTriad.prototype.kb=0,goog.exportProperty(box2d.b2ParticleTriad.prototype,"kb",box2d.b2ParticleTriad.prototype.kb),box2d.b2ParticleTriad.prototype.kc=0,goog.exportProperty(box2d.b2ParticleTriad.prototype,"kc",box2d.b2ParticleTriad.prototype.kc),box2d.b2ParticleTriad.prototype.s=0,goog.exportProperty(box2d.b2ParticleTriad.prototype,"s",box2d.b2ParticleTriad.prototype.s),box2d.b2ParticleSystemDef=function(){},goog.exportSymbol("box2d.b2ParticleSystemDef",box2d.b2ParticleSystemDef),box2d.b2ParticleSystemDef.prototype.strictContactCheck=!1,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"strictContactCheck",box2d.b2ParticleSystemDef.prototype.strictContactCheck),box2d.b2ParticleSystemDef.prototype.density=1,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"density",box2d.b2ParticleSystemDef.prototype.density),box2d.b2ParticleSystemDef.prototype.gravityScale=1,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"gravityScale",box2d.b2ParticleSystemDef.prototype.gravityScale),box2d.b2ParticleSystemDef.prototype.radius=1,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"radius",box2d.b2ParticleSystemDef.prototype.radius),box2d.b2ParticleSystemDef.prototype.maxCount=0,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"maxCount",box2d.b2ParticleSystemDef.prototype.maxCount),box2d.b2ParticleSystemDef.prototype.pressureStrength=.005,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"pressureStrength",box2d.b2ParticleSystemDef.prototype.pressureStrength),box2d.b2ParticleSystemDef.prototype.dampingStrength=1,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"dampingStrength",box2d.b2ParticleSystemDef.prototype.dampingStrength),box2d.b2ParticleSystemDef.prototype.elasticStrength=.25,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"elasticStrength",box2d.b2ParticleSystemDef.prototype.elasticStrength),box2d.b2ParticleSystemDef.prototype.springStrength=.25,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"springStrength",box2d.b2ParticleSystemDef.prototype.springStrength),box2d.b2ParticleSystemDef.prototype.viscousStrength=.25,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"viscousStrength",box2d.b2ParticleSystemDef.prototype.viscousStrength),box2d.b2ParticleSystemDef.prototype.surfaceTensionPressureStrength=.2,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"surfaceTensionPressureStrength",box2d.b2ParticleSystemDef.prototype.surfaceTensionPressureStrength),box2d.b2ParticleSystemDef.prototype.surfaceTensionNormalStrength=.2,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"surfaceTensionNormalStrength",box2d.b2ParticleSystemDef.prototype.surfaceTensionNormalStrength),box2d.b2ParticleSystemDef.prototype.repulsiveStrength=1,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"repulsiveStrength",box2d.b2ParticleSystemDef.prototype.repulsiveStrength),box2d.b2ParticleSystemDef.prototype.powderStrength=.5,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"powderStrength",box2d.b2ParticleSystemDef.prototype.powderStrength),box2d.b2ParticleSystemDef.prototype.ejectionStrength=.5,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"ejectionStrength",box2d.b2ParticleSystemDef.prototype.ejectionStrength),box2d.b2ParticleSystemDef.prototype.staticPressureStrength=.2,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"staticPressureStrength",box2d.b2ParticleSystemDef.prototype.staticPressureStrength),box2d.b2ParticleSystemDef.prototype.staticPressureRelaxation=.2,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"staticPressureRelaxation",box2d.b2ParticleSystemDef.prototype.staticPressureRelaxation),box2d.b2ParticleSystemDef.prototype.staticPressureIterations=8,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"staticPressureIterations",box2d.b2ParticleSystemDef.prototype.staticPressureIterations),box2d.b2ParticleSystemDef.prototype.colorMixingStrength=.5,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"colorMixingStrength",box2d.b2ParticleSystemDef.prototype.colorMixingStrength),box2d.b2ParticleSystemDef.prototype.destroyByAge=!0,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"destroyByAge",box2d.b2ParticleSystemDef.prototype.destroyByAge),box2d.b2ParticleSystemDef.prototype.lifetimeGranularity=1/60,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"lifetimeGranularity",box2d.b2ParticleSystemDef.prototype.lifetimeGranularity),box2d.b2ParticleSystemDef.prototype.Copy=function(o){return this.strictContactCheck=o.strictContactCheck,this.density=o.density,this.gravityScale=o.gravityScale,this.radius=o.radius,this.maxCount=o.maxCount,this.pressureStrength=o.pressureStrength,this.dampingStrength=o.dampingStrength,this.elasticStrength=o.elasticStrength,this.springStrength=o.springStrength,this.viscousStrength=o.viscousStrength,this.surfaceTensionPressureStrength=o.surfaceTensionPressureStrength,this.surfaceTensionNormalStrength=o.surfaceTensionNormalStrength,this.repulsiveStrength=o.repulsiveStrength,this.powderStrength=o.powderStrength,this.ejectionStrength=o.ejectionStrength,this.staticPressureStrength=o.staticPressureStrength,this.staticPressureRelaxation=o.staticPressureRelaxation,this.staticPressureIterations=o.staticPressureIterations,this.colorMixingStrength=o.colorMixingStrength,this.destroyByAge=o.destroyByAge,this.lifetimeGranularity=o.lifetimeGranularity,this},box2d.b2ParticleSystemDef.prototype.Clone=function(){return(new box2d.b2ParticleSystemDef).Copy(this)},box2d.b2ParticleSystem=function(o,t){this._ctor_(o,t)},goog.exportSymbol("box2d.b2ParticleSystem",box2d.b2ParticleSystem),box2d.b2ParticleSystem.prototype.m_paused=!1,box2d.b2ParticleSystem.prototype.m_timestamp=0,box2d.b2ParticleSystem.prototype.m_allParticleFlags=0,box2d.b2ParticleSystem.prototype.m_needsUpdateAllParticleFlags=!1,box2d.b2ParticleSystem.prototype.m_allGroupFlags=0,box2d.b2ParticleSystem.prototype.m_needsUpdateAllGroupFlags=!1,box2d.b2ParticleSystem.prototype.m_hasForce=!1,box2d.b2ParticleSystem.prototype.m_iterationIndex=0,box2d.b2ParticleSystem.prototype.m_inverseDensity=0,box2d.b2ParticleSystem.prototype.m_particleDiameter=0,box2d.b2ParticleSystem.prototype.m_inverseDiameter=0,box2d.b2ParticleSystem.prototype.m_squaredDiameter=0,box2d.b2ParticleSystem.prototype.m_count=0,box2d.b2ParticleSystem.prototype.m_internalAllocatedCapacity=0,box2d.b2ParticleSystem.prototype.m_handleAllocator=null,box2d.b2ParticleSystem.prototype.m_handleIndexBuffer=null,box2d.b2ParticleSystem.prototype.m_flagsBuffer=null,box2d.b2ParticleSystem.prototype.m_positionBuffer=null,box2d.b2ParticleSystem.prototype.m_velocityBuffer=null,box2d.b2ParticleSystem.prototype.m_forceBuffer=null,box2d.b2ParticleSystem.prototype.m_weightBuffer=null,box2d.b2ParticleSystem.prototype.m_staticPressureBuffer=null,box2d.b2ParticleSystem.prototype.m_accumulationBuffer=null,box2d.b2ParticleSystem.prototype.m_accumulation2Buffer=null,box2d.b2ParticleSystem.prototype.m_depthBuffer=null,box2d.b2ParticleSystem.prototype.m_colorBuffer=null,box2d.b2ParticleSystem.prototype.m_groupBuffer=null,box2d.b2ParticleSystem.prototype.m_userDataBuffer=null,box2d.b2ParticleSystem.prototype.m_stuckThreshold=0,box2d.b2ParticleSystem.prototype.m_lastBodyContactStepBuffer=null,box2d.b2ParticleSystem.prototype.m_bodyContactCountBuffer=null,box2d.b2ParticleSystem.prototype.m_consecutiveContactStepsBuffer=null,box2d.b2ParticleSystem.prototype.m_stuckParticleBuffer=null,box2d.b2ParticleSystem.prototype.m_proxyBuffer=null,box2d.b2ParticleSystem.prototype.m_contactBuffer=null,box2d.b2ParticleSystem.prototype.m_bodyContactBuffer=null,box2d.b2ParticleSystem.prototype.m_pairBuffer=null,box2d.b2ParticleSystem.prototype.m_triadBuffer=null,box2d.b2ParticleSystem.prototype.m_expirationTimeBuffer=null,box2d.b2ParticleSystem.prototype.m_indexByExpirationTimeBuffer=null,box2d.b2ParticleSystem.prototype.m_timeElapsed=0,box2d.b2ParticleSystem.prototype.m_expirationTimeBufferRequiresSorting=!1,box2d.b2ParticleSystem.prototype.m_groupCount=0,box2d.b2ParticleSystem.prototype.m_groupList=null,box2d.b2ParticleSystem.prototype.m_def=null,box2d.b2ParticleSystem.prototype.m_world=null,box2d.b2ParticleSystem.prototype.m_prev=null,box2d.b2ParticleSystem.prototype.m_next=null,box2d.b2ParticleSystem.xTruncBits=12,box2d.b2ParticleSystem.yTruncBits=12,box2d.b2ParticleSystem.tagBits=32,box2d.b2ParticleSystem.yOffset=1<<box2d.b2ParticleSystem.yTruncBits-1,box2d.b2ParticleSystem.yShift=box2d.b2ParticleSystem.tagBits-box2d.b2ParticleSystem.yTruncBits,box2d.b2ParticleSystem.xShift=box2d.b2ParticleSystem.tagBits-box2d.b2ParticleSystem.yTruncBits-box2d.b2ParticleSystem.xTruncBits,box2d.b2ParticleSystem.xScale=1<<box2d.b2ParticleSystem.xShift,box2d.b2ParticleSystem.xOffset=box2d.b2ParticleSystem.xScale*(1<<box2d.b2ParticleSystem.xTruncBits-1),box2d.b2ParticleSystem.yMask=(1<<box2d.b2ParticleSystem.yTruncBits)-1<<box2d.b2ParticleSystem.yShift,box2d.b2ParticleSystem.xMask=~box2d.b2ParticleSystem.yMask,box2d.b2ParticleSystem.computeTag=function(o,t){return(t+box2d.b2ParticleSystem.yOffset>>>0<<box2d.b2ParticleSystem.yShift)+(box2d.b2ParticleSystem.xScale*o+box2d.b2ParticleSystem.xOffset>>>0)>>>0},box2d.b2ParticleSystem.computeRelativeTag=function(o,t,e){return o+(e<<box2d.b2ParticleSystem.yShift)+(t<<box2d.b2ParticleSystem.xShift)>>>0},box2d.b2ParticleSystem.FixedSetAllocator=function(){},box2d.b2ParticleSystem.FixedSetAllocator.prototype.Invalidate=function(o){},box2d.b2ParticleSystem.FixtureParticle=function(o,t){this.first=o,this.second=t},box2d.b2ParticleSystem.FixtureParticle.prototype.first=null,box2d.b2ParticleSystem.FixtureParticle.prototype.second=box2d.b2_invalidParticleIndex,box2d.b2ParticleSystem.FixtureParticleSet=function(){},goog.inherits(box2d.b2ParticleSystem.FixtureParticleSet,box2d.b2ParticleSystem.FixedSetAllocator),box2d.b2ParticleSystem.FixtureParticleSet.prototype.Initialize=function(o,t){},box2d.b2ParticleSystem.FixtureParticleSet.prototype.Find=function(o){},box2d.b2ParticleSystem.ParticlePair=function(o,t){},box2d.b2ParticleSystem.ParticlePair.prototype.first=box2d.b2_invalidParticleIndex,box2d.b2ParticleSystem.ParticlePair.prototype.second=box2d.b2_invalidParticleIndex,box2d.b2ParticleSystem.b2ParticlePairSet=function(){},goog.inherits(box2d.b2ParticleSystem.b2ParticlePairSet,box2d.b2ParticleSystem.FixedSetAllocator),box2d.b2ParticleSystem.b2ParticlePairSet.prototype.Initialize=function(o,t){},box2d.b2ParticleSystem.b2ParticlePairSet.prototype.Find=function(o){},box2d.b2ParticleSystem.ConnectionFilter=function(){},box2d.b2ParticleSystem.ConnectionFilter.prototype.IsNecessary=function(o){return!0},box2d.b2ParticleSystem.ConnectionFilter.prototype.ShouldCreatePair=function(o,t){return!0},box2d.b2ParticleSystem.ConnectionFilter.prototype.ShouldCreateTriad=function(o,t,e){return!0},box2d.b2ParticleSystem.prototype._ctor_=function(o,t){this.m_handleIndexBuffer=new box2d.b2ParticleSystem.UserOverridableBuffer,this.m_flagsBuffer=new box2d.b2ParticleSystem.UserOverridableBuffer,this.m_positionBuffer=new box2d.b2ParticleSystem.UserOverridableBuffer,this.m_velocityBuffer=new box2d.b2ParticleSystem.UserOverridableBuffer,this.m_forceBuffer=[],this.m_weightBuffer=[],this.m_staticPressureBuffer=[],this.m_accumulationBuffer=[],this.m_accumulation2Buffer=[],this.m_depthBuffer=[],this.m_colorBuffer=new box2d.b2ParticleSystem.UserOverridableBuffer,this.m_groupBuffer=[],this.m_userDataBuffer=new box2d.b2ParticleSystem.UserOverridableBuffer,this.m_lastBodyContactStepBuffer=new box2d.b2ParticleSystem.UserOverridableBuffer,this.m_bodyContactCountBuffer=new box2d.b2ParticleSystem.UserOverridableBuffer,this.m_consecutiveContactStepsBuffer=new box2d.b2ParticleSystem.UserOverridableBuffer,this.m_stuckParticleBuffer=new box2d.b2GrowableBuffer(function(){return 0}),this.m_proxyBuffer=new box2d.b2GrowableBuffer(function(){return new box2d.b2ParticleSystem.Proxy}),this.m_contactBuffer=new box2d.b2GrowableBuffer(function(){return new box2d.b2ParticleContact}),this.m_bodyContactBuffer=new box2d.b2GrowableBuffer(function(){return new box2d.b2ParticleBodyContact}),this.m_pairBuffer=new box2d.b2GrowableBuffer(function(){return new box2d.b2ParticlePair}),this.m_triadBuffer=new box2d.b2GrowableBuffer(function(){return new box2d.b2ParticleTriad}),this.m_expirationTimeBuffer=new box2d.b2ParticleSystem.UserOverridableBuffer,this.m_indexByExpirationTimeBuffer=new box2d.b2ParticleSystem.UserOverridableBuffer,this.m_def=new box2d.b2ParticleSystemDef,box2d.b2Assert(null!==o),this.SetStrictContactCheck(o.strictContactCheck),this.SetDensity(o.density),this.SetGravityScale(o.gravityScale),this.SetRadius(o.radius),this.SetMaxParticleCount(o.maxCount),box2d.b2Assert(0<o.lifetimeGranularity),this.m_def=o.Clone(),this.m_world=t,this.SetDestructionByAge(this.m_def.destroyByAge)},box2d.b2ParticleSystem.prototype._dtor_=function(){for(;this.m_groupList;)this.DestroyParticleGroup(this.m_groupList);this.FreeUserOverridableBuffer(this.m_handleIndexBuffer),this.FreeUserOverridableBuffer(this.m_flagsBuffer),this.FreeUserOverridableBuffer(this.m_lastBodyContactStepBuffer),this.FreeUserOverridableBuffer(this.m_bodyContactCountBuffer),this.FreeUserOverridableBuffer(this.m_consecutiveContactStepsBuffer),this.FreeUserOverridableBuffer(this.m_positionBuffer),this.FreeUserOverridableBuffer(this.m_velocityBuffer),this.FreeUserOverridableBuffer(this.m_colorBuffer),this.FreeUserOverridableBuffer(this.m_userDataBuffer),this.FreeUserOverridableBuffer(this.m_expirationTimeBuffer),this.FreeUserOverridableBuffer(this.m_indexByExpirationTimeBuffer),this.FreeBuffer(this.m_forceBuffer,this.m_internalAllocatedCapacity),this.FreeBuffer(this.m_weightBuffer,this.m_internalAllocatedCapacity),this.FreeBuffer(this.m_staticPressureBuffer,this.m_internalAllocatedCapacity),this.FreeBuffer(this.m_accumulationBuffer,this.m_internalAllocatedCapacity),this.FreeBuffer(this.m_accumulation2Buffer,this.m_internalAllocatedCapacity),this.FreeBuffer(this.m_depthBuffer,this.m_internalAllocatedCapacity),this.FreeBuffer(this.m_groupBuffer,this.m_internalAllocatedCapacity)},box2d.b2ParticleSystem.prototype.Drop=function(){this._dtor_()},box2d.b2ParticleSystem.prototype.CreateParticle=function(o){if(box2d.b2Assert(!1===this.m_world.IsLocked()),this.m_world.IsLocked())return 0;if(this.m_count>=this.m_internalAllocatedCapacity&&this.ReallocateInternalAllocatedBuffers(this.m_count?2*this.m_count:box2d.b2_minParticleSystemBufferCapacity),this.m_count>=this.m_internalAllocatedCapacity){if(!this.m_def.destroyByAge)return box2d.b2_invalidParticleIndex;this.DestroyOldestParticle(0,!1),this.SolveZombie()}var t=this.m_count++;this.m_flagsBuffer.data[t]=0,this.m_lastBodyContactStepBuffer.data&&(this.m_lastBodyContactStepBuffer.data[t]=0),this.m_bodyContactCountBuffer.data&&(this.m_bodyContactCountBuffer.data[t]=0),this.m_consecutiveContactStepsBuffer.data&&(this.m_consecutiveContactStepsBuffer.data[t]=0),this.m_positionBuffer.data[t]=(this.m_positionBuffer.data[t]||new box2d.b2Vec2).Copy(o.position),this.m_velocityBuffer.data[t]=(this.m_velocityBuffer.data[t]||new box2d.b2Vec2).Copy(o.velocity),this.m_weightBuffer[t]=0,this.m_forceBuffer[t]=(this.m_forceBuffer[t]||new box2d.b2Vec2).SetZero(),this.m_staticPressureBuffer&&(this.m_staticPressureBuffer[t]=0),this.m_depthBuffer&&(this.m_depthBuffer[t]=0),!this.m_colorBuffer.data&&o.color.IsZero()||(this.m_colorBuffer.data=this.RequestBuffer(this.m_colorBuffer.data),this.m_colorBuffer.data[t]=(this.m_colorBuffer.data[t]||new box2d.b2ParticleColor).Copy(o.color)),(this.m_userDataBuffer.data||o.userData)&&(this.m_userDataBuffer.data=this.RequestBuffer(this.m_userDataBuffer.data),this.m_userDataBuffer.data[t]=o.userData),this.m_handleIndexBuffer.data&&(this.m_handleIndexBuffer.data[t]=null);var e=this.m_proxyBuffer.data[this.m_proxyBuffer.Append()],r=0<o.lifetime;return(this.m_expirationTimeBuffer.data||r)&&(this.SetParticleLifetime(t,r?o.lifetime:this.ExpirationTimeToLifetime(-this.GetQuantizedTimeElapsed())),this.m_indexByExpirationTimeBuffer.data[t]=t),e.index=t,e=o.group,(this.m_groupBuffer[t]=e)&&(e.m_firstIndex<e.m_lastIndex?(this.RotateBuffer(e.m_firstIndex,e.m_lastIndex,t),box2d.b2Assert(e.m_lastIndex===t)):e.m_firstIndex=t,e.m_lastIndex=t+1),this.SetParticleFlags(t,o.flags),t},goog.exportProperty(box2d.b2ParticleSystem.prototype,"CreateParticle",box2d.b2ParticleSystem.prototype.CreateParticle),box2d.b2ParticleSystem.prototype.GetParticleHandleFromIndex=function(o){box2d.b2Assert(0<=o&&o<this.GetParticleCount()&&o!==box2d.b2_invalidParticleIndex),this.m_handleIndexBuffer.data=this.RequestBuffer(this.m_handleIndexBuffer.data);var t=this.m_handleIndexBuffer.data[o];return t||(t=new box2d.b2ParticleHandle,box2d.b2Assert(null!==t),t.SetIndex(o),this.m_handleIndexBuffer.data[o]=t)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetParticleHandleFromIndex",box2d.b2ParticleSystem.prototype.GetParticleHandleFromIndex),box2d.b2ParticleSystem.prototype.DestroyParticle=function(o,t){var e=box2d.b2ParticleFlag.b2_zombieParticle;t&&(e|=box2d.b2ParticleFlag.b2_destructionListenerParticle),this.SetParticleFlags(o,this.m_flagsBuffer.data[o]|e)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"DestroyParticle",box2d.b2ParticleSystem.prototype.DestroyParticle),box2d.b2ParticleSystem.prototype.DestroyOldestParticle=function(o,t){var e=this.GetParticleCount();box2d.b2Assert(0<=o&&o<e),box2d.b2Assert(null!==this.m_indexByExpirationTimeBuffer.data);e=this.m_indexByExpirationTimeBuffer.data[e-(o+1)];var r=this.m_indexByExpirationTimeBuffer.data[o];this.DestroyParticle(0<this.m_expirationTimeBuffer.data[e]?e:r,t)},box2d.b2ParticleSystem.DestroyParticlesInShapeCallback=function(o,t,e,r){this.m_system=o,this.m_shape=t,this.m_xf=e,this.m_callDestructionListener=r,this.m_destroyed=0},goog.inherits(box2d.b2ParticleSystem.DestroyParticlesInShapeCallback,box2d.b2QueryCallback),box2d.b2ParticleSystem.DestroyParticlesInShapeCallback.prototype.m_system=null,box2d.b2ParticleSystem.DestroyParticlesInShapeCallback.prototype.m_shape=null,box2d.b2ParticleSystem.DestroyParticlesInShapeCallback.prototype.m_xf=null,box2d.b2ParticleSystem.DestroyParticlesInShapeCallback.prototype.m_callDestructionListener=!1,box2d.b2ParticleSystem.DestroyParticlesInShapeCallback.prototype.m_destroyed=0,box2d.b2ParticleSystem.DestroyParticlesInShapeCallback.prototype.ReportFixture=function(o){return!1},box2d.b2ParticleSystem.DestroyParticlesInShapeCallback.prototype.ReportParticle=function(o,t){return o===this.m_system&&(box2d.b2Assert(0<=t&&t<this.m_system.m_count),this.m_shape.TestPoint(this.m_xf,this.m_system.m_positionBuffer.data[t])&&(this.m_system.DestroyParticle(t,this.m_callDestructionListener),this.m_destroyed++),!0)},box2d.b2ParticleSystem.DestroyParticlesInShapeCallback.prototype.Destroyed=function(){return this.m_destroyed},box2d.b2ParticleSystem.prototype.DestroyParticlesInShape=function(o,t,e){var r=box2d.b2ParticleSystem.prototype.DestroyParticlesInShape.s_aabb;return box2d.b2Assert(!1===this.m_world.IsLocked()),this.m_world.IsLocked()?0:(e=new box2d.b2ParticleSystem.DestroyParticlesInShapeCallback(this,o,t,e),o.ComputeAABB(r,t,0),this.m_world.QueryAABB(e,r),e.Destroyed())},goog.exportProperty(box2d.b2ParticleSystem.prototype,"DestroyParticlesInShape",box2d.b2ParticleSystem.prototype.DestroyParticlesInShape),box2d.b2ParticleSystem.prototype.DestroyParticlesInShape.s_aabb=new box2d.b2AABB,box2d.b2ParticleSystem.prototype.CreateParticleGroup=function(o){var t=box2d.b2ParticleSystem.prototype.CreateParticleGroup.s_transform;if(box2d.b2Assert(!1===this.m_world.IsLocked()),this.m_world.IsLocked())return null;t.Set(o.position,o.angle);var e=this.m_count;if(o.shape&&this.CreateParticlesWithShapeForGroup(o.shape,o,t),o.shapes&&this.CreateParticlesWithShapesForGroup(o.shapes,o.shapeCount,o,t),o.particleCount){box2d.b2Assert(null!==o.positionData);for(var r=0;r<o.particleCount;r++)this.CreateParticleForGroup(o,t,o.positionData[r])}var i=this.m_count,b=new box2d.b2ParticleGroup;for(b.m_system=this,b.m_firstIndex=e,b.m_lastIndex=i,b.m_strength=o.strength,b.m_userData=o.userData,b.m_transform.Copy(t),b.m_prev=null,(b.m_next=this.m_groupList)&&(this.m_groupList.m_prev=b),this.m_groupList=b,++this.m_groupCount,r=e;r<i;r++)this.m_groupBuffer[r]=b;return this.SetGroupFlags(b,o.groupFlags),t=new box2d.b2ParticleSystem.ConnectionFilter,this.UpdateContacts(!0),this.UpdatePairsAndTriads(e,i,t),o.group&&(this.JoinParticleGroups(o.group,b),b=o.group),b},goog.exportProperty(box2d.b2ParticleSystem.prototype,"CreateParticleGroup",box2d.b2ParticleSystem.prototype.CreateParticleGroup),box2d.b2ParticleSystem.prototype.CreateParticleGroup.s_transform=new box2d.b2Transform,box2d.b2ParticleSystem.JoinParticleGroupsFilter=function(o){this.m_threshold=o},goog.inherits(box2d.b2ParticleSystem.JoinParticleGroupsFilter,box2d.b2ParticleSystem.ConnectionFilter),box2d.b2ParticleSystem.JoinParticleGroupsFilter.prototype.m_threshold=0,box2d.b2ParticleSystem.JoinParticleGroupsFilter.prototype.ShouldCreatePair=function(o,t){return o<this.m_threshold&&this.m_threshold<=t||t<this.m_threshold&&this.m_threshold<=o},box2d.b2ParticleSystem.JoinParticleGroupsFilter.prototype.ShouldCreateTriad=function(o,t,e){return(o<this.m_threshold||t<this.m_threshold||e<this.m_threshold)&&(this.m_threshold<=o||this.m_threshold<=t||this.m_threshold<=e)},box2d.b2ParticleSystem.prototype.JoinParticleGroups=function(o,t){if(box2d.b2Assert(!1===this.m_world.IsLocked()),!this.m_world.IsLocked()){box2d.b2Assert(o!==t),this.RotateBuffer(t.m_firstIndex,t.m_lastIndex,this.m_count),box2d.b2Assert(t.m_lastIndex===this.m_count),this.RotateBuffer(o.m_firstIndex,o.m_lastIndex,t.m_firstIndex),box2d.b2Assert(o.m_lastIndex===t.m_firstIndex);var e=new box2d.b2ParticleSystem.JoinParticleGroupsFilter(t.m_firstIndex);for(this.UpdateContacts(!0),this.UpdatePairsAndTriads(o.m_firstIndex,t.m_lastIndex,e),e=t.m_firstIndex;e<t.m_lastIndex;e++)this.m_groupBuffer[e]=o;this.SetGroupFlags(o,o.m_groupFlags|t.m_groupFlags),o.m_lastIndex=t.m_lastIndex,t.m_firstIndex=t.m_lastIndex,this.DestroyParticleGroup(t)}},goog.exportProperty(box2d.b2ParticleSystem.prototype,"JoinParticleGroups",box2d.b2ParticleSystem.prototype.JoinParticleGroups),box2d.b2ParticleSystem.prototype.SplitParticleGroup=function(o){this.UpdateContacts(!0);var t=o.GetParticleCount();t=box2d.b2MakeArray(t,function(o){return new box2d.b2ParticleSystem.ParticleListNode});box2d.b2ParticleSystem.InitializeParticleLists(o,t),this.MergeParticleListsInContact(o,t);var e=box2d.b2ParticleSystem.FindLongestParticleList(o,t);this.MergeZombieParticleListNodes(o,t,e),this.CreateParticleGroupsFromParticleList(o,t,e),this.UpdatePairsAndTriadsWithParticleList(o,t)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SplitParticleGroup",box2d.b2ParticleSystem.prototype.SplitParticleGroup),box2d.b2ParticleSystem.prototype.GetParticleGroupList=function(){return this.m_groupList},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetParticleGroupList",box2d.b2ParticleSystem.prototype.GetParticleGroupList),box2d.b2ParticleSystem.prototype.GetParticleGroupCount=function(){return this.m_groupCount},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetParticleGroupCount",box2d.b2ParticleSystem.prototype.GetParticleGroupCount),box2d.b2ParticleSystem.prototype.GetParticleCount=function(){return this.m_count},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetParticleCount",box2d.b2ParticleSystem.prototype.GetParticleCount),box2d.b2ParticleSystem.prototype.GetMaxParticleCount=function(){return this.m_def.maxCount},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetMaxParticleCount",box2d.b2ParticleSystem.prototype.GetMaxParticleCount),box2d.b2ParticleSystem.prototype.SetMaxParticleCount=function(o){box2d.b2Assert(this.m_count<=o),this.m_def.maxCount=o},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetMaxParticleCount",box2d.b2ParticleSystem.prototype.SetMaxParticleCount),box2d.b2ParticleSystem.prototype.GetAllParticleFlags=function(){return this.m_allParticleFlags},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetAllParticleFlags",box2d.b2ParticleSystem.prototype.GetAllParticleFlags),box2d.b2ParticleSystem.prototype.GetAllGroupFlags=function(){return this.m_allGroupFlags},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetAllGroupFlags",box2d.b2ParticleSystem.prototype.GetAllGroupFlags),box2d.b2ParticleSystem.prototype.SetPaused=function(o){this.m_paused=o},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetPaused",box2d.b2ParticleSystem.prototype.SetPaused),box2d.b2ParticleSystem.prototype.GetPaused=function(){return this.m_paused},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetPaused",box2d.b2ParticleSystem.prototype.GetPaused),box2d.b2ParticleSystem.prototype.SetDensity=function(o){this.m_def.density=o,this.m_inverseDensity=1/this.m_def.density},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetDensity",box2d.b2ParticleSystem.prototype.SetDensity),box2d.b2ParticleSystem.prototype.GetDensity=function(){return this.m_def.density},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetDensity",box2d.b2ParticleSystem.prototype.GetDensity),box2d.b2ParticleSystem.prototype.SetGravityScale=function(o){this.m_def.gravityScale=o},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetGravityScale",box2d.b2ParticleSystem.prototype.SetGravityScale),box2d.b2ParticleSystem.prototype.GetGravityScale=function(){return this.m_def.gravityScale},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetGravityScale",box2d.b2ParticleSystem.prototype.GetGravityScale),box2d.b2ParticleSystem.prototype.SetDamping=function(o){this.m_def.dampingStrength=o},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetDamping",box2d.b2ParticleSystem.prototype.SetDamping),box2d.b2ParticleSystem.prototype.GetDamping=function(){return 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this.m_def.staticPressureIterations},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetStaticPressureIterations",box2d.b2ParticleSystem.prototype.GetStaticPressureIterations),box2d.b2ParticleSystem.prototype.SetRadius=function(o){this.m_particleDiameter=2*o,this.m_squaredDiameter=this.m_particleDiameter*this.m_particleDiameter,this.m_inverseDiameter=1/this.m_particleDiameter},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetRadius",box2d.b2ParticleSystem.prototype.SetRadius),box2d.b2ParticleSystem.prototype.GetRadius=function(){return this.m_particleDiameter/2},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetRadius",box2d.b2ParticleSystem.prototype.GetRadius),box2d.b2ParticleSystem.prototype.GetPositionBuffer=function(){return this.m_positionBuffer.data},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetPositionBuffer",box2d.b2ParticleSystem.prototype.GetPositionBuffer),box2d.b2ParticleSystem.prototype.GetVelocityBuffer=function(){return this.m_velocityBuffer.data},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetVelocityBuffer",box2d.b2ParticleSystem.prototype.GetVelocityBuffer),box2d.b2ParticleSystem.prototype.GetColorBuffer=function(){return this.m_colorBuffer.data=this.RequestBuffer(this.m_colorBuffer.data),this.m_colorBuffer.data},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetColorBuffer",box2d.b2ParticleSystem.prototype.GetColorBuffer),box2d.b2ParticleSystem.prototype.GetGroupBuffer=function(){return this.m_groupBuffer},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetGroupBuffer",box2d.b2ParticleSystem.prototype.GetGroupBuffer),box2d.b2ParticleSystem.prototype.GetWeightBuffer=function(){return this.m_weightBuffer},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetWeightBuffer",box2d.b2ParticleSystem.prototype.GetWeightBuffer),box2d.b2ParticleSystem.prototype.GetUserDataBuffer=function(){return this.m_userDataBuffer.data=this.RequestBuffer(this.m_userDataBuffer.data),this.m_userDataBuffer.data},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetUserDataBuffer",box2d.b2ParticleSystem.prototype.GetUserDataBuffer),box2d.b2ParticleSystem.prototype.GetFlagsBuffer=function(){return this.m_flagsBuffer.data},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetFlagsBuffer",box2d.b2ParticleSystem.prototype.GetFlagsBuffer),box2d.b2ParticleSystem.prototype.SetParticleFlags=function(o,t){this.m_flagsBuffer.data[o]&~t&&(this.m_needsUpdateAllParticleFlags=!0),~this.m_allParticleFlags&t&&(t&box2d.b2ParticleFlag.b2_tensileParticle&&(this.m_accumulation2Buffer=this.RequestBuffer(this.m_accumulation2Buffer)),t&box2d.b2ParticleFlag.b2_colorMixingParticle&&(this.m_colorBuffer.data=this.RequestBuffer(this.m_colorBuffer.data)),this.m_allParticleFlags|=t),this.m_flagsBuffer.data[o]=t},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetParticleFlags",box2d.b2ParticleSystem.prototype.SetParticleFlags),box2d.b2ParticleSystem.prototype.GetParticleFlags=function(o){return this.m_flagsBuffer.data[o]},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetParticleFlags",box2d.b2ParticleSystem.prototype.GetParticleFlags),box2d.b2ParticleSystem.prototype.SetFlagsBuffer=function(o,t){this.SetUserOverridableBuffer(this.m_flagsBuffer,o,t)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetFlagsBuffer",box2d.b2ParticleSystem.prototype.SetFlagsBuffer),box2d.b2ParticleSystem.prototype.SetPositionBuffer=function(o,t){this.SetUserOverridableBuffer(this.m_positionBuffer,o,t)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetPositionBuffer",box2d.b2ParticleSystem.prototype.SetPositionBuffer),box2d.b2ParticleSystem.prototype.SetVelocityBuffer=function(o,t){this.SetUserOverridableBuffer(this.m_velocityBuffer,o,t)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetVelocityBuffer",box2d.b2ParticleSystem.prototype.SetVelocityBuffer),box2d.b2ParticleSystem.prototype.SetColorBuffer=function(o,t){this.SetUserOverridableBuffer(this.m_colorBuffer,o,t)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetColorBuffer",box2d.b2ParticleSystem.prototype.SetColorBuffer),box2d.b2ParticleSystem.prototype.SetUserDataBuffer=function(o,t){this.SetUserOverridableBuffer(this.m_userDataBuffer,o,t)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetUserDataBuffer",box2d.b2ParticleSystem.prototype.SetUserDataBuffer),box2d.b2ParticleSystem.prototype.GetContacts=function(){return this.m_contactBuffer.data},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetContacts",box2d.b2ParticleSystem.prototype.GetContacts),box2d.b2ParticleSystem.prototype.GetContactCount=function(){return this.m_contactBuffer.count},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetContactCount",box2d.b2ParticleSystem.prototype.GetContactCount),box2d.b2ParticleSystem.prototype.GetBodyContacts=function(){return this.m_bodyContactBuffer.data},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetBodyContacts",box2d.b2ParticleSystem.prototype.GetBodyContacts),box2d.b2ParticleSystem.prototype.GetBodyContactCount=function(){return this.m_bodyContactBuffer.count},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetBodyContactCount",box2d.b2ParticleSystem.prototype.GetBodyContactCount),box2d.b2ParticleSystem.prototype.GetPairs=function(){return this.m_pairBuffer.data},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetPairs",box2d.b2ParticleSystem.prototype.GetPairs),box2d.b2ParticleSystem.prototype.GetPairCount=function(){return this.m_pairBuffer.count},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetPairCount",box2d.b2ParticleSystem.prototype.GetPairCount),box2d.b2ParticleSystem.prototype.GetTriads=function(){return this.m_triadBuffer.data},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetTriads",box2d.b2ParticleSystem.prototype.GetTriads),box2d.b2ParticleSystem.prototype.GetTriadCount=function(){return this.m_triadBuffer.count},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetTriadCount",box2d.b2ParticleSystem.prototype.GetTriadCount),box2d.b2ParticleSystem.prototype.SetStuckThreshold=function(o){this.m_stuckThreshold=o,0<o&&(this.m_lastBodyContactStepBuffer.data=this.RequestBuffer(this.m_lastBodyContactStepBuffer.data),this.m_bodyContactCountBuffer.data=this.RequestBuffer(this.m_bodyContactCountBuffer.data),this.m_consecutiveContactStepsBuffer.data=this.RequestBuffer(this.m_consecutiveContactStepsBuffer.data))},box2d.b2ParticleSystem.prototype.GetStuckCandidates=function(){return this.m_stuckParticleBuffer.Data()},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetStuckCandidates",box2d.b2ParticleSystem.prototype.GetStuckCandidates),box2d.b2ParticleSystem.prototype.GetStuckCandidateCount=function(){return this.m_stuckParticleBuffer.GetCount()},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetStuckCandidateCount",box2d.b2ParticleSystem.prototype.GetStuckCandidateCount),box2d.b2ParticleSystem.prototype.ComputeCollisionEnergy=function(){for(var o=box2d.b2ParticleSystem.prototype.ComputeCollisionEnergy.s_v,t=this.m_velocityBuffer.data,e=0,r=0;r<this.m_contactBuffer.count;r++){var i=(b=this.m_contactBuffer.data[r]).normal,b=box2d.b2Sub_V2_V2(t[b.indexB],t[b.indexA],o);0>(i=box2d.b2Dot_V2_V2(b,i))&&(e+=i*i)}return.5*this.GetParticleMass()*e},goog.exportProperty(box2d.b2ParticleSystem.prototype,"ComputeCollisionEnergy",box2d.b2ParticleSystem.prototype.ComputeCollisionEnergy),box2d.b2ParticleSystem.prototype.ComputeCollisionEnergy.s_v=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SetStrictContactCheck=function(o){this.m_def.strictContactCheck=o},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetStrictContactCheck",box2d.b2ParticleSystem.prototype.SetStrictContactCheck),box2d.b2ParticleSystem.prototype.GetStrictContactCheck=function(){return this.m_def.strictContactCheck},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetStrictContactCheck",box2d.b2ParticleSystem.prototype.GetStrictContactCheck),box2d.b2ParticleSystem.prototype.SetParticleLifetime=function(o,t){box2d.b2Assert(this.ValidateParticleIndex(o));var e=null===this.m_indexByExpirationTimeBuffer.data;if(this.m_expirationTimeBuffer.data=this.RequestBuffer(this.m_expirationTimeBuffer.data),this.m_indexByExpirationTimeBuffer.data=this.RequestBuffer(this.m_indexByExpirationTimeBuffer.data),e){e=this.GetParticleCount();for(var r=0;r<e;++r)this.m_indexByExpirationTimeBuffer.data[r]=r}(e=0<(e=t/this.m_def.lifetimeGranularity)?this.GetQuantizedTimeElapsed()+e:e)!==this.m_expirationTimeBuffer.data[o]&&(this.m_expirationTimeBuffer.data[o]=e,this.m_expirationTimeBufferRequiresSorting=!0)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetParticleLifetime",box2d.b2ParticleSystem.prototype.SetParticleLifetime),box2d.b2ParticleSystem.prototype.GetParticleLifetime=function(o){return box2d.b2Assert(this.ValidateParticleIndex(o)),this.ExpirationTimeToLifetime(this.GetExpirationTimeBuffer()[o])},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetParticleLifetime",box2d.b2ParticleSystem.prototype.GetParticleLifetime),box2d.b2ParticleSystem.prototype.SetDestructionByAge=function(o){o&&this.GetExpirationTimeBuffer(),this.m_def.destroyByAge=o},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetDestructionByAge",box2d.b2ParticleSystem.prototype.SetDestructionByAge),box2d.b2ParticleSystem.prototype.GetDestructionByAge=function(){return this.m_def.destroyByAge},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetDestructionByAge",box2d.b2ParticleSystem.prototype.GetDestructionByAge),box2d.b2ParticleSystem.prototype.GetExpirationTimeBuffer=function(){return this.m_expirationTimeBuffer.data=this.RequestBuffer(this.m_expirationTimeBuffer.data),this.m_expirationTimeBuffer.data},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetExpirationTimeBuffer",box2d.b2ParticleSystem.prototype.GetExpirationTimeBuffer),box2d.b2ParticleSystem.prototype.ExpirationTimeToLifetime=function(o){return(0<o?o-this.GetQuantizedTimeElapsed():o)*this.m_def.lifetimeGranularity},goog.exportProperty(box2d.b2ParticleSystem.prototype,"ExpirationTimeToLifetime",box2d.b2ParticleSystem.prototype.ExpirationTimeToLifetime),box2d.b2ParticleSystem.prototype.GetIndexByExpirationTimeBuffer=function(){return this.GetParticleCount()?this.SetParticleLifetime(0,this.GetParticleLifetime(0)):this.m_indexByExpirationTimeBuffer.data=this.RequestBuffer(this.m_indexByExpirationTimeBuffer.data),this.m_indexByExpirationTimeBuffer.data},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetIndexByExpirationTimeBuffer",box2d.b2ParticleSystem.prototype.GetIndexByExpirationTimeBuffer),box2d.b2ParticleSystem.prototype.ParticleApplyLinearImpulse=function(o,t){this.ApplyLinearImpulse(o,o+1,t)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"ParticleApplyLinearImpulse",box2d.b2ParticleSystem.prototype.ParticleApplyLinearImpulse),box2d.b2ParticleSystem.prototype.ApplyLinearImpulse=function(o,t,e){var r=this.m_velocityBuffer.data,i=(t-o)*this.GetParticleMass();for(e=e.Clone().SelfMul(1/i);o<t;o++)r[o].SelfAdd(e)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"ApplyLinearImpulse",box2d.b2ParticleSystem.prototype.ApplyLinearImpulse),box2d.b2ParticleSystem.IsSignificantForce=function(o){return 0!==o.x||0!==o.y},box2d.b2ParticleSystem.prototype.ParticleApplyForce=function(o,t){box2d.b2ParticleSystem.IsSignificantForce(t)&&this.ForceCanBeApplied(this.m_flagsBuffer.data[o])&&(this.PrepareForceBuffer(),this.m_forceBuffer[o].SelfAdd(t))},goog.exportProperty(box2d.b2ParticleSystem.prototype,"ParticleApplyForce",box2d.b2ParticleSystem.prototype.ParticleApplyForce),box2d.b2ParticleSystem.prototype.ApplyForce=function(o,t,e){for(var r=0,i=o;i<t;i++)r|=this.m_flagsBuffer.data[i];if(box2d.b2Assert(this.ForceCanBeApplied(r)),e=e.Clone().SelfMul(1/(t-o)),box2d.b2ParticleSystem.IsSignificantForce(e))for(this.PrepareForceBuffer(),i=o;i<t;i++)this.m_forceBuffer[i].SelfAdd(e)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"ApplyForce",box2d.b2ParticleSystem.prototype.ApplyForce),box2d.b2ParticleSystem.prototype.GetNext=function(){return this.m_next},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetNext",box2d.b2ParticleSystem.prototype.GetNext),box2d.b2ParticleSystem.prototype.QueryAABB=function(o,t){if(0!==this.m_proxyBuffer.count)for(var e=this.m_proxyBuffer.count,r=box2d.std_lower_bound(this.m_proxyBuffer.data,0,e,box2d.b2ParticleSystem.computeTag(this.m_inverseDiameter*t.lowerBound.x,this.m_inverseDiameter*t.lowerBound.y),box2d.b2ParticleSystem.Proxy.CompareProxyTag),i=(e=box2d.std_upper_bound(this.m_proxyBuffer.data,r,e,box2d.b2ParticleSystem.computeTag(this.m_inverseDiameter*t.upperBound.x,this.m_inverseDiameter*t.upperBound.y),box2d.b2ParticleSystem.Proxy.CompareTagProxy),this.m_positionBuffer.data);r<e;++r){var b=this.m_proxyBuffer.data[r].index,n=i[b];if(t.lowerBound.x<n.x&&n.x<t.upperBound.x&&t.lowerBound.y<n.y&&n.y<t.upperBound.y&&!o.ReportParticle(this,b))break}},goog.exportProperty(box2d.b2ParticleSystem.prototype,"QueryAABB",box2d.b2ParticleSystem.prototype.QueryAABB),box2d.b2ParticleSystem.prototype.QueryShapeAABB=function(o,t,e,r){var i=box2d.b2ParticleSystem.prototype.QueryShapeAABB.s_aabb;t.ComputeAABB(i,e,r||0),this.QueryAABB(o,i)};goog.exportProperty(box2d.b2ParticleSystem.prototype,"QueryShapeAABB",box2d.b2ParticleSystem.prototype.QueryShapeAABB),box2d.b2ParticleSystem.prototype.QueryShapeAABB.s_aabb=new box2d.b2AABB,box2d.b2ParticleSystem.prototype.QueryPointAABB=function(o,t,e){var r=box2d.b2ParticleSystem.prototype.QueryPointAABB.s_aabb;e="number"==typeof e?e:box2d.b2_linearSlop,r.lowerBound.Set(t.x-e,t.y-e),r.upperBound.Set(t.x+e,t.y+e),this.QueryAABB(o,r)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"QueryPointAABB",box2d.b2ParticleSystem.prototype.QueryPointAABB),box2d.b2ParticleSystem.prototype.QueryPointAABB.s_aabb=new box2d.b2AABB,box2d.b2ParticleSystem.prototype.RayCast=function(o,t,e){var r=box2d.b2ParticleSystem.prototype.RayCast.s_aabb,i=box2d.b2ParticleSystem.prototype.RayCast.s_p,b=box2d.b2ParticleSystem.prototype.RayCast.s_v,n=box2d.b2ParticleSystem.prototype.RayCast.s_n,p=box2d.b2ParticleSystem.prototype.RayCast.s_point;if(0!==this.m_proxyBuffer.count){var s=this.m_positionBuffer.data;box2d.b2Min_V2_V2(t,e,r.lowerBound),box2d.b2Max_V2_V2(t,e,r.upperBound);var a=1;e=box2d.b2Sub_V2_V2(e,t,b);var d;for(b=box2d.b2Dot_V2_V2(e,e),r=this.GetInsideBoundsEnumerator(r);0<=(d=r.GetNext());){var l=box2d.b2Sub_V2_V2(t,s[d],i),x=box2d.b2Dot_V2_V2(l,e);if(0<=(y=x*x-b*((y=box2d.b2Dot_V2_V2(l,l))-this.m_squaredDiameter))){var y,c=box2d.b2Sqrt(y);if(!((y=(-x-c)/b)>a)){if(0>y&&(0>(y=(-x+c)/b)||y>a))continue;if((l=box2d.b2AddMul_V2_S_V2(l,y,e,n)).Normalize(),d=o.ReportParticle(this,d,box2d.b2AddMul_V2_S_V2(t,y,e,p),l,y),0>=(a=box2d.b2Min(a,d)))break}}}}},goog.exportProperty(box2d.b2ParticleSystem.prototype,"RayCast",box2d.b2ParticleSystem.prototype.RayCast),box2d.b2ParticleSystem.prototype.RayCast.s_aabb=new box2d.b2AABB,box2d.b2ParticleSystem.prototype.RayCast.s_p=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.RayCast.s_v=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.RayCast.s_n=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.RayCast.s_point=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.ComputeAABB=function(o){var t=this.GetParticleCount();box2d.b2Assert(null!==o),o.lowerBound.x=+box2d.b2_maxFloat,o.lowerBound.y=+box2d.b2_maxFloat,o.upperBound.x=-box2d.b2_maxFloat,o.upperBound.y=-box2d.b2_maxFloat;for(var e=this.m_positionBuffer.data,r=0;r<t;r++){var i=e[r];box2d.b2Min_V2_V2(o.lowerBound,i,o.lowerBound),box2d.b2Max_V2_V2(o.upperBound,i,o.upperBound)}o.lowerBound.x-=this.m_particleDiameter,o.lowerBound.y-=this.m_particleDiameter,o.upperBound.x+=this.m_particleDiameter,o.upperBound.y+=this.m_particleDiameter},goog.exportProperty(box2d.b2ParticleSystem.prototype,"ComputeAABB",box2d.b2ParticleSystem.prototype.ComputeAABB),box2d.b2ParticleSystem.UserOverridableBuffer=function(){},box2d.b2ParticleSystem.UserOverridableBuffer.prototype.data=null,box2d.b2ParticleSystem.UserOverridableBuffer.prototype.userSuppliedCapacity=0,box2d.b2ParticleSystem.Proxy=function(){},box2d.b2ParticleSystem.Proxy.prototype.index=box2d.b2_invalidParticleIndex,box2d.b2ParticleSystem.Proxy.prototype.tag=0,box2d.b2ParticleSystem.Proxy.CompareProxyProxy=function(o,t){return o.tag<t.tag},box2d.b2ParticleSystem.Proxy.CompareTagProxy=function(o,t){return o<t.tag},box2d.b2ParticleSystem.Proxy.CompareProxyTag=function(o,t){return o.tag<t},box2d.b2ParticleSystem.InsideBoundsEnumerator=function(o,t,e,r,i){this.m_system=o,this.m_xLower=(t&box2d.b2ParticleSystem.xMask)>>>0,this.m_xUpper=(e&box2d.b2ParticleSystem.xMask)>>>0,this.m_yLower=(t&box2d.b2ParticleSystem.yMask)>>>0,this.m_yUpper=(e&box2d.b2ParticleSystem.yMask)>>>0,this.m_first=r,this.m_last=i,box2d.b2Assert(this.m_first<=this.m_last)},box2d.b2ParticleSystem.InsideBoundsEnumerator.prototype.GetNext=function(){for(;this.m_first<this.m_last;){var o=(this.m_system.m_proxyBuffer.data[this.m_first].tag&box2d.b2ParticleSystem.xMask)>>>0,t=(this.m_system.m_proxyBuffer.data[this.m_first].tag&box2d.b2ParticleSystem.yMask)>>>0;if(box2d.b2Assert(t>=this.m_yLower),box2d.b2Assert(t<=this.m_yUpper),o>=this.m_xLower&&o<=this.m_xUpper)return this.m_system.m_proxyBuffer.data[this.m_first++].index;this.m_first++}return box2d.b2_invalidParticleIndex},box2d.b2ParticleSystem.ParticleListNode=function(){},box2d.b2ParticleSystem.ParticleListNode.prototype.list=null,box2d.b2ParticleSystem.ParticleListNode.prototype.next=null,box2d.b2ParticleSystem.ParticleListNode.prototype.count=0,box2d.b2ParticleSystem.ParticleListNode.prototype.index=0,box2d.b2ParticleSystem.k_pairFlags=box2d.b2ParticleFlag.b2_springParticle,box2d.b2ParticleSystem.k_triadFlags=box2d.b2ParticleFlag.b2_elasticParticle,box2d.b2ParticleSystem.k_noPressureFlags=box2d.b2ParticleFlag.b2_powderParticle|box2d.b2ParticleFlag.b2_tensileParticle,box2d.b2ParticleSystem.k_extraDampingFlags=box2d.b2ParticleFlag.b2_staticPressureParticle,box2d.b2ParticleSystem.k_barrierWallFlags=box2d.b2ParticleFlag.b2_barrierParticle|box2d.b2ParticleFlag.b2_wallParticle,box2d.b2ParticleSystem.prototype.FreeBuffer=function(o,t){null!==o&&(o.length=0)},box2d.b2ParticleSystem.prototype.FreeUserOverridableBuffer=function(o){0==o.userSuppliedCapacity&&this.FreeBuffer(o.data,this.m_internalAllocatedCapacity)},box2d.b2ParticleSystem.prototype.ReallocateBuffer3=function(o,t,e){return box2d.b2Assert(e>t),(o=o?o.slice():[]).length=e,o},box2d.b2ParticleSystem.prototype.ReallocateBuffer5=function(o,t,e,r,i){return box2d.b2Assert(r>e),box2d.b2Assert(!t||r<=t),i&&!o||t||(o=this.ReallocateBuffer3(o,e,r)),o},box2d.b2ParticleSystem.prototype.ReallocateBuffer4=function(o,t,e,r){return box2d.b2Assert(e>t),this.ReallocateBuffer5(o.data,o.userSuppliedCapacity,t,e,r)},box2d.b2ParticleSystem.prototype.RequestBuffer=function(o){return o||(0===this.m_internalAllocatedCapacity&&this.ReallocateInternalAllocatedBuffers(box2d.b2_minParticleSystemBufferCapacity),(o=[]).length=this.m_internalAllocatedCapacity),o},box2d.b2ParticleSystem.prototype.ReallocateHandleBuffers=function(o){box2d.b2Assert(o>this.m_internalAllocatedCapacity),this.m_handleIndexBuffer.data=this.ReallocateBuffer4(this.m_handleIndexBuffer,this.m_internalAllocatedCapacity,o,!0)},box2d.b2ParticleSystem.prototype.ReallocateInternalAllocatedBuffers=function(o){function b(o,t){return t&&o>t?t:o}if(o=b(o,this.m_def.maxCount),o=b(o,this.m_flagsBuffer.userSuppliedCapacity),o=b(o,this.m_positionBuffer.userSuppliedCapacity),o=b(o,this.m_velocityBuffer.userSuppliedCapacity),o=b(o,this.m_colorBuffer.userSuppliedCapacity),o=b(o,this.m_userDataBuffer.userSuppliedCapacity),this.m_internalAllocatedCapacity<o){this.ReallocateHandleBuffers(o),this.m_flagsBuffer.data=this.ReallocateBuffer4(this.m_flagsBuffer,this.m_internalAllocatedCapacity,o,!1);var t=0<this.m_stuckThreshold;this.m_lastBodyContactStepBuffer.data=this.ReallocateBuffer4(this.m_lastBodyContactStepBuffer,this.m_internalAllocatedCapacity,o,t),this.m_bodyContactCountBuffer.data=this.ReallocateBuffer4(this.m_bodyContactCountBuffer,this.m_internalAllocatedCapacity,o,t),this.m_consecutiveContactStepsBuffer.data=this.ReallocateBuffer4(this.m_consecutiveContactStepsBuffer,this.m_internalAllocatedCapacity,o,t),this.m_positionBuffer.data=this.ReallocateBuffer4(this.m_positionBuffer,this.m_internalAllocatedCapacity,o,!1),this.m_velocityBuffer.data=this.ReallocateBuffer4(this.m_velocityBuffer,this.m_internalAllocatedCapacity,o,!1),this.m_forceBuffer=this.ReallocateBuffer5(this.m_forceBuffer,0,this.m_internalAllocatedCapacity,o,!1),this.m_weightBuffer=this.ReallocateBuffer5(this.m_weightBuffer,0,this.m_internalAllocatedCapacity,o,!1),this.m_staticPressureBuffer=this.ReallocateBuffer5(this.m_staticPressureBuffer,0,this.m_internalAllocatedCapacity,o,!0),this.m_accumulationBuffer=this.ReallocateBuffer5(this.m_accumulationBuffer,0,this.m_internalAllocatedCapacity,o,!1),this.m_accumulation2Buffer=this.ReallocateBuffer5(this.m_accumulation2Buffer,0,this.m_internalAllocatedCapacity,o,!0),this.m_depthBuffer=this.ReallocateBuffer5(this.m_depthBuffer,0,this.m_internalAllocatedCapacity,o,!0),this.m_colorBuffer.data=this.ReallocateBuffer4(this.m_colorBuffer,this.m_internalAllocatedCapacity,o,!0),this.m_groupBuffer=this.ReallocateBuffer5(this.m_groupBuffer,0,this.m_internalAllocatedCapacity,o,!1),this.m_userDataBuffer.data=this.ReallocateBuffer4(this.m_userDataBuffer,this.m_internalAllocatedCapacity,o,!0),this.m_expirationTimeBuffer.data=this.ReallocateBuffer4(this.m_expirationTimeBuffer,this.m_internalAllocatedCapacity,o,!0),this.m_indexByExpirationTimeBuffer.data=this.ReallocateBuffer4(this.m_indexByExpirationTimeBuffer,this.m_internalAllocatedCapacity,o,!1),this.m_internalAllocatedCapacity=o}},box2d.b2ParticleSystem.prototype.CreateParticleForGroup=function(o,t,e){var r=new box2d.b2ParticleDef;r.flags=o.flags,box2d.b2Mul_X_V2(t,e,r.position),box2d.b2Add_V2_V2(o.linearVelocity,box2d.b2Cross_S_V2(o.angularVelocity,box2d.b2Sub_V2_V2(r.position,o.position,box2d.b2Vec2.s_t0),box2d.b2Vec2.s_t0),r.velocity),r.color.Copy(o.color),r.lifetime=o.lifetime,r.userData=o.userData,this.CreateParticle(r)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"CreateParticleForGroup",box2d.b2ParticleSystem.prototype.CreateParticleForGroup),box2d.b2ParticleSystem.prototype.CreateParticlesStrokeShapeForGroup=function(o,t,e){var r=box2d.b2ParticleSystem.prototype.CreateParticlesStrokeShapeForGroup.s_edge,i=box2d.b2ParticleSystem.prototype.CreateParticlesStrokeShapeForGroup.s_d,b=box2d.b2ParticleSystem.prototype.CreateParticlesStrokeShapeForGroup.s_p,n=t.stride;0===n&&(n=this.GetParticleStride());for(var p=0,s=o.GetChildCount(),a=0;a<s;a++){var d=null;o.GetType()===box2d.b2ShapeType.e_edgeShape?d=o:(box2d.b2Assert(o.GetType()===box2d.b2ShapeType.e_chainShape),d=r,o.GetChildEdge(d,a));for(var l=box2d.b2Sub_V2_V2(d.m_vertex2,d.m_vertex1,i),x=l.Length();p<x;){var y=box2d.b2AddMul_V2_S_V2(d.m_vertex1,p/x,l,b);this.CreateParticleForGroup(t,e,y),p+=n}p-=x}},goog.exportProperty(box2d.b2ParticleSystem.prototype,"CreateParticlesStrokeShapeForGroup",box2d.b2ParticleSystem.prototype.CreateParticlesStrokeShapeForGroup),box2d.b2ParticleSystem.prototype.CreateParticlesStrokeShapeForGroup.s_edge=new box2d.b2EdgeShape,box2d.b2ParticleSystem.prototype.CreateParticlesStrokeShapeForGroup.s_d=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.CreateParticlesStrokeShapeForGroup.s_p=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.CreateParticlesFillShapeForGroup=function(o,t,e){var r=box2d.b2ParticleSystem.prototype.CreateParticlesFillShapeForGroup.s_aabb,i=box2d.b2ParticleSystem.prototype.CreateParticlesFillShapeForGroup.s_p,b=t.stride;0===b&&(b=this.GetParticleStride());var n=box2d.b2Transform.IDENTITY;box2d.b2Assert(1===o.GetChildCount()),o.ComputeAABB(r,n,0);for(var p=Math.floor(r.lowerBound.y/b)*b;p<r.upperBound.y;p+=b)for(var s=Math.floor(r.lowerBound.x/b)*b;s<r.upperBound.x;s+=b){var a=i.Set(s,p);o.TestPoint(n,a)&&this.CreateParticleForGroup(t,e,a)}},goog.exportProperty(box2d.b2ParticleSystem.prototype,"CreateParticlesFillShapeForGroup",box2d.b2ParticleSystem.prototype.CreateParticlesFillShapeForGroup),box2d.b2ParticleSystem.prototype.CreateParticlesFillShapeForGroup.s_aabb=new box2d.b2AABB,box2d.b2ParticleSystem.prototype.CreateParticlesFillShapeForGroup.s_p=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.CreateParticlesWithShapeForGroup=function(o,t,e){switch(o.GetType()){case box2d.b2ShapeType.e_edgeShape:case box2d.b2ShapeType.e_chainShape:this.CreateParticlesStrokeShapeForGroup(o,t,e);break;case box2d.b2ShapeType.e_polygonShape:case box2d.b2ShapeType.e_circleShape:this.CreateParticlesFillShapeForGroup(o,t,e);break;default:box2d.b2Assert(!1)}},goog.exportProperty(box2d.b2ParticleSystem.prototype,"CreateParticlesWithShapeForGroup",box2d.b2ParticleSystem.prototype.CreateParticlesWithShapeForGroup),box2d.b2ParticleSystem.CompositeShape=function(o,t){this.m_shapes=o,this.m_shapeCount=t},goog.inherits(box2d.b2ParticleSystem.CompositeShape,box2d.b2Shape),box2d.b2ParticleSystem.CompositeShape.prototype.m_shapes=null,box2d.b2ParticleSystem.CompositeShape.prototype.m_shapeCount=0,box2d.b2ParticleSystem.CompositeShape.prototype.Clone=function(){return box2d.b2Assert(!1),null},box2d.b2ParticleSystem.CompositeShape.prototype.GetChildCount=function(){return 1},box2d.b2ParticleSystem.CompositeShape.prototype.TestPoint=function(o,t){for(var e=0;e<this.m_shapeCount;e++)if(this.m_shapes[e].TestPoint(o,t))return!0;return!1},goog.exportProperty(box2d.b2ParticleSystem.CompositeShape.prototype,"TestPoint",box2d.b2ParticleSystem.CompositeShape.prototype.TestPoint),box2d.b2ParticleSystem.CompositeShape.prototype.ComputeDistance=function(o,t,e,r){return box2d.b2Assert(!1),0},goog.exportProperty(box2d.b2ParticleSystem.CompositeShape.prototype,"ComputeDistance",box2d.b2ParticleSystem.CompositeShape.prototype.ComputeDistance),box2d.b2ParticleSystem.CompositeShape.prototype.RayCast=function(o,t,e,r){return box2d.b2Assert(!1),!1},goog.exportProperty(box2d.b2ParticleSystem.CompositeShape.prototype,"RayCast",box2d.b2ParticleSystem.CompositeShape.prototype.RayCast),box2d.b2ParticleSystem.CompositeShape.prototype.ComputeAABB=function(o,t,e){var r=new box2d.b2AABB;for(o.lowerBound.x=+box2d.b2_maxFloat,o.lowerBound.y=+box2d.b2_maxFloat,o.upperBound.x=-box2d.b2_maxFloat,o.upperBound.y=-box2d.b2_maxFloat,box2d.b2Assert(0===e),e=0;e<this.m_shapeCount;e++)for(var i=this.m_shapes[e].GetChildCount(),b=0;b<i;b++){var n=r;this.m_shapes[e].ComputeAABB(n,t,b),o.Combine1(n)}},goog.exportProperty(box2d.b2ParticleSystem.CompositeShape.prototype,"ComputeAABB",box2d.b2ParticleSystem.CompositeShape.prototype.ComputeAABB),box2d.b2ParticleSystem.CompositeShape.prototype.ComputeMass=function(o,t){box2d.b2Assert(!1)},goog.exportProperty(box2d.b2ParticleSystem.CompositeShape.prototype,"ComputeMass",box2d.b2ParticleSystem.CompositeShape.prototype.ComputeMass),box2d.b2ParticleSystem.prototype.CreateParticlesWithShapesForGroup=function(o,t,e,r){o=new box2d.b2ParticleSystem.CompositeShape(o,t),this.CreateParticlesFillShapeForGroup(o,e,r)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"CreateParticlesWithShapesForGroup",box2d.b2ParticleSystem.prototype.CreateParticlesWithShapesForGroup),box2d.b2ParticleSystem.prototype.CloneParticle=function(o,t){var e=new box2d.b2ParticleDef;if(e.flags=this.m_flagsBuffer.data[o],e.position.Copy(this.m_positionBuffer.data[o]),e.velocity.Copy(this.m_velocityBuffer.data[o]),this.m_colorBuffer.data&&e.color.Copy(this.m_colorBuffer.data[o]),this.m_userDataBuffer.data&&(e.userData=this.m_userDataBuffer.data[o]),e.group=t,e=this.CreateParticle(e),this.m_handleIndexBuffer.data){var r=this.m_handleIndexBuffer.data[o];r&&r.SetIndex(e),this.m_handleIndexBuffer.data[e]=r,this.m_handleIndexBuffer.data[o]=null}return this.m_lastBodyContactStepBuffer.data&&(this.m_lastBodyContactStepBuffer.data[e]=this.m_lastBodyContactStepBuffer.data[o]),this.m_bodyContactCountBuffer.data&&(this.m_bodyContactCountBuffer.data[e]=this.m_bodyContactCountBuffer.data[o]),this.m_consecutiveContactStepsBuffer.data&&(this.m_consecutiveContactStepsBuffer.data[e]=this.m_consecutiveContactStepsBuffer.data[o]),this.m_hasForce&&this.m_forceBuffer[e].Copy(this.m_forceBuffer[o]),this.m_staticPressureBuffer&&(this.m_staticPressureBuffer[e]=this.m_staticPressureBuffer[o]),this.m_depthBuffer&&(this.m_depthBuffer[e]=this.m_depthBuffer[o]),this.m_expirationTimeBuffer.data&&(this.m_expirationTimeBuffer.data[e]=this.m_expirationTimeBuffer.data[o]),e},goog.exportProperty(box2d.b2ParticleSystem.prototype,"CloneParticle",box2d.b2ParticleSystem.prototype.CloneParticle),box2d.b2ParticleSystem.prototype.DestroyParticlesInGroup=function(o,t){for(var e=o.m_firstIndex;e<o.m_lastIndex;e++)this.DestroyParticle(e,t)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"DestroyParticlesInGroup",box2d.b2ParticleSystem.prototype.DestroyParticlesInGroup),box2d.b2ParticleSystem.prototype.DestroyParticleGroup=function(o){box2d.b2Assert(0<this.m_groupCount),box2d.b2Assert(null!==o),this.m_world.m_destructionListener&&this.m_world.m_destructionListener.SayGoodbyeParticleGroup(o),this.SetGroupFlags(o,0);for(var t=o.m_firstIndex;t<o.m_lastIndex;t++)this.m_groupBuffer[t]=null;o.m_prev&&(o.m_prev.m_next=o.m_next),o.m_next&&(o.m_next.m_prev=o.m_prev),o===this.m_groupList&&(this.m_groupList=o.m_next),--this.m_groupCount},goog.exportProperty(box2d.b2ParticleSystem.prototype,"DestroyParticleGroup",box2d.b2ParticleSystem.prototype.DestroyParticleGroup),box2d.b2ParticleSystem.ParticleCanBeConnected=function(o,t){return 0!=(o&(box2d.b2ParticleFlag.b2_wallParticle|box2d.b2ParticleFlag.b2_springParticle|box2d.b2ParticleFlag.b2_elasticParticle))||null!==t&&0!=(t.GetGroupFlags()&box2d.b2ParticleGroupFlag.b2_rigidParticleGroup)},box2d.b2ParticleSystem.prototype.UpdatePairsAndTriads=function(o,t,e){var r=box2d.b2ParticleSystem.prototype.UpdatePairsAndTriads.s_dab,i=box2d.b2ParticleSystem.prototype.UpdatePairsAndTriads.s_dbc,b=box2d.b2ParticleSystem.prototype.UpdatePairsAndTriads.s_dca,n=this.m_positionBuffer.data;box2d.b2Assert(o<=t);for(var p=0,s=o;s<t;s++)p|=this.m_flagsBuffer.data[s];if(p&box2d.b2ParticleSystem.k_pairFlags)for(s=0;s<this.m_contactBuffer.count;s++){var a=this.m_contactBuffer.data[s],d=a.indexA,l=a.indexB,x=this.m_flagsBuffer.data[d],y=this.m_flagsBuffer.data[l],c=this.m_groupBuffer[d],_=this.m_groupBuffer[l];d>=o&&d<t&&l>=o&&l<t&&!((x|y)&box2d.b2ParticleFlag.b2_zombieParticle)&&(x|y)&box2d.b2ParticleSystem.k_pairFlags&&(e.IsNecessary(d)||e.IsNecessary(l))&&box2d.b2ParticleSystem.ParticleCanBeConnected(x,c)&&box2d.b2ParticleSystem.ParticleCanBeConnected(y,_)&&e.ShouldCreatePair(d,l)&&((x=this.m_pairBuffer.data[this.m_pairBuffer.Append()]).indexA=d,x.indexB=l,x.flags=a.flags,x.strength=box2d.b2Min(c?c.m_strength:1,_?_.m_strength:1),x.distance=box2d.b2Distance(n[d],n[l])),box2d.std_stable_sort(this.m_pairBuffer.data,0,this.m_pairBuffer.count,box2d.b2ParticleSystem.ComparePairIndices),this.m_pairBuffer.Unique(box2d.b2ParticleSystem.MatchPairIndices)}if(p&box2d.b2ParticleSystem.k_triadFlags){for(p=new box2d.b2VoronoiDiagram(t-o),a=0,s=o;s<t;s++)d=this.m_flagsBuffer.data[s],l=this.m_groupBuffer[s],d&box2d.b2ParticleFlag.b2_zombieParticle||!box2d.b2ParticleSystem.ParticleCanBeConnected(d,l)||(e.IsNecessary(s)&&++a,p.AddGenerator(n[s],s,e.IsNecessary(s)));if(0===a)for(s=o;s<t;s++)e.IsNecessary(s);o=this.GetParticleStride(),p.Generate(o/2,2*o);var m=this;p.GetNodes(function(o,t,p){var s=m.m_flagsBuffer.data[o],a=m.m_flagsBuffer.data[t],d=m.m_flagsBuffer.data[p];if((s|a|d)&box2d.b2ParticleSystem.k_triadFlags&&e.ShouldCreateTriad(o,t,p)){var l=n[o],x=n[t],y=n[p],c=box2d.b2Sub_V2_V2(l,x,r),_=box2d.b2Sub_V2_V2(x,y,i),u=box2d.b2Sub_V2_V2(y,l,b),h=box2d.b2_maxTriadDistanceSquared*m.m_squaredDiameter;if(!(box2d.b2Dot_V2_V2(c,c)>h||box2d.b2Dot_V2_V2(_,_)>h||box2d.b2Dot_V2_V2(u,u)>h)){var g=m.m_groupBuffer[o],f=m.m_groupBuffer[t],S=m.m_groupBuffer[p];(h=m.m_triadBuffer.data[m.m_triadBuffer.Append()]).indexA=o,h.indexB=t,h.indexC=p,h.flags=s|a|d,h.strength=box2d.b2Min(box2d.b2Min(g?g.m_strength:1,f?f.m_strength:1),S?S.m_strength:1),o=(l.x+x.x+y.x)/3,t=(l.y+x.y+y.y)/3,h.pa.x=l.x-o,h.pa.y=l.y-t,h.pb.x=x.x-o,h.pb.y=x.y-t,h.pc.x=y.x-o,h.pc.y=y.y-t,h.ka=-box2d.b2Dot_V2_V2(u,c),h.kb=-box2d.b2Dot_V2_V2(c,_),h.kc=-box2d.b2Dot_V2_V2(_,u),h.s=box2d.b2Cross_V2_V2(l,x)+box2d.b2Cross_V2_V2(x,y)+box2d.b2Cross_V2_V2(y,l)}}}),box2d.std_stable_sort(this.m_triadBuffer.data,0,this.m_triadBuffer.count,box2d.b2ParticleSystem.CompareTriadIndices),this.m_triadBuffer.Unique(box2d.b2ParticleSystem.MatchTriadIndices)}},box2d.b2ParticleSystem.prototype.UpdatePairsAndTriads.s_dab=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.UpdatePairsAndTriads.s_dbc=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.UpdatePairsAndTriads.s_dca=new box2d.b2Vec2,box2d.b2ParticleSystem.ReactiveFilter=function(o){this.m_flagsBuffer=o},goog.inherits(box2d.b2ParticleSystem.ReactiveFilter,box2d.b2ParticleSystem.ConnectionFilter),box2d.b2ParticleSystem.ReactiveFilter.prototype.m_flagsBuffer=null,box2d.b2ParticleSystem.ReactiveFilter.prototype.IsNecessary=function(o){return 0!=(this.m_flagsBuffer[o]&box2d.b2ParticleFlag.b2_reactiveParticle)},box2d.b2ParticleSystem.prototype.UpdatePairsAndTriadsWithReactiveParticles=function(){var o=new box2d.b2ParticleSystem.ReactiveFilter(this.m_flagsBuffer);for(this.UpdatePairsAndTriads(0,this.m_count,o),o=0;o<this.m_count;o++)this.m_flagsBuffer.data[o]&=~box2d.b2ParticleFlag.b2_reactiveParticle;this.m_allParticleFlags&=~box2d.b2ParticleFlag.b2_reactiveParticle},box2d.b2ParticleSystem.ComparePairIndices=function(o,t){var e=o.indexA-t.indexA;return 0!==e?0>e:o.indexB<t.indexB},box2d.b2ParticleSystem.MatchPairIndices=function(o,t){return o.indexA===t.indexA&&o.indexB===t.indexB},box2d.b2ParticleSystem.CompareTriadIndices=function(o,t){var e=o.indexA-t.indexA;return 0!==e?0>e:0!==(e=o.indexB-t.indexB)?0>e:o.indexC<t.indexC},box2d.b2ParticleSystem.MatchTriadIndices=function(o,t){return o.indexA===t.indexA&&o.indexB===t.indexB&&o.indexC===t.indexC},box2d.b2ParticleSystem.InitializeParticleLists=function(o,t){for(var e=o.GetBufferIndex(),r=o.GetParticleCount(),i=0;i<r;i++){var b=t[i];b.list=b,b.next=null,b.count=1,b.index=i+e}},box2d.b2ParticleSystem.prototype.MergeParticleListsInContact=function(o,t){for(var e=o.GetBufferIndex(),r=0;r<this.m_contactBuffer.count;r++){var i=(b=this.m_contactBuffer.data[r]).indexA,b=b.indexB;if(o.ContainsParticle(i)&&o.ContainsParticle(b)&&(i=t[i-e].list)!==(b=t[b-e].list)){if(i.count<b.count){var n=i;i=b,b=n}box2d.b2Assert(i.count>=b.count),box2d.b2ParticleSystem.MergeParticleLists(i,b)}}},box2d.b2ParticleSystem.MergeParticleLists=function(o,t){box2d.b2Assert(o!==t);for(var e=t;;){e.list=o;var r=e.next;if(!r){e.next=o.next;break}e=r}o.next=t,o.count+=t.count,t.count=0},box2d.b2ParticleSystem.FindLongestParticleList=function(o,t){for(var e=o.GetParticleCount(),r=t[0],i=0;i<e;i++){var b=t[i];r.count<b.count&&(r=b)}return r},box2d.b2ParticleSystem.prototype.MergeZombieParticleListNodes=function(o,t,e){o=o.GetParticleCount();for(var r=0;r<o;r++){var i=t[r];i!==e&&this.m_flagsBuffer.data[i.index]&box2d.b2ParticleFlag.b2_zombieParticle&&box2d.b2ParticleSystem.MergeParticleListAndNode(e,i)}},box2d.b2ParticleSystem.MergeParticleListAndNode=function(o,t){box2d.b2Assert(t!==o),box2d.b2Assert(t.list===t),box2d.b2Assert(1===t.count),t.list=o,t.next=o.next,o.next=t,o.count++,t.count=0},box2d.b2ParticleSystem.prototype.CreateParticleGroupsFromParticleList=function(o,t,e){var r=o.GetParticleCount(),i=new box2d.b2ParticleGroupDef;for(i.groupFlags=o.GetGroupFlags(),i.userData=o.GetUserData(),o=0;o<r;o++){var b=t[o];if(b.count&&b!==e){box2d.b2Assert(b.list===b);for(var n=this.CreateParticleGroup(i);b;b=b.next){var p=b.index;box2d.b2Assert(!(this.m_flagsBuffer.data[p]&box2d.b2ParticleFlag.b2_zombieParticle));var s=this.CloneParticle(p,n);this.m_flagsBuffer.data[p]|=box2d.b2ParticleFlag.b2_zombieParticle,b.index=s}}}},box2d.b2ParticleSystem.prototype.UpdatePairsAndTriadsWithParticleList=function(o,t){for(var e=o.GetBufferIndex(),r=0;r<this.m_pairBuffer.count;r++){var i=(n=this.m_pairBuffer.data[r]).indexA,b=n.indexB;o.ContainsParticle(i)&&(n.indexA=t[i-e].index),o.ContainsParticle(b)&&(n.indexB=t[b-e].index)}for(r=0;r<this.m_triadBuffer.count;r++){i=(n=this.m_triadBuffer.data[r]).indexA,b=n.indexB;var n,p=n.indexC;o.ContainsParticle(i)&&(n.indexA=t[i-e].index),o.ContainsParticle(b)&&(n.indexB=t[b-e].index),o.ContainsParticle(p)&&(n.indexC=t[p-e].index)}},box2d.b2ParticleSystem.prototype.ComputeDepth=function(){for(var o=[],t=0,e=0;e<this.m_contactBuffer.count;e++){var r=(l=this.m_contactBuffer.data[e]).indexA,i=l.indexB,b=this.m_groupBuffer[r],n=this.m_groupBuffer[i];b&&b===n&&b.m_groupFlags&box2d.b2ParticleGroupFlag.b2_particleGroupNeedsUpdateDepth&&(o[t++]=l)}for(b=[],n=0,e=this.m_groupList;e;e=e.GetNext())if(e.m_groupFlags&box2d.b2ParticleGroupFlag.b2_particleGroupNeedsUpdateDepth)for(b[n++]=e,this.SetGroupFlags(e,e.m_groupFlags&~box2d.b2ParticleGroupFlag.b2_particleGroupNeedsUpdateDepth),i=e.m_firstIndex;i<e.m_lastIndex;i++)this.m_accumulationBuffer[i]=0;for(e=0;e<t;e++){r=(l=o[e]).indexA,i=l.indexB;var p=l.weight;this.m_accumulationBuffer[r]+=p,this.m_accumulationBuffer[i]+=p}for(box2d.b2Assert(null!==this.m_depthBuffer),i=0;i<n;i++)for(i=(e=b[i]).m_firstIndex;i<e.m_lastIndex;i++)p=this.m_accumulationBuffer[i],this.m_depthBuffer[i]=.8>p?0:box2d.b2_maxFloat;p=box2d.b2Sqrt(this.m_count)>>0;for(var s=0;s<p;s++){var a=!1;for(e=0;e<t;e++){r=(l=o[e]).indexA,i=l.indexB;var d=1-l.weight,l=this.m_depthBuffer[r],x=this.m_depthBuffer[i],y=x+d;d=l+d;l>y&&(this.m_depthBuffer[r]=y,a=!0),x>d&&(this.m_depthBuffer[i]=d,a=!0)}if(!a)break}for(i=0;i<n;i++)for(i=(e=b[i]).m_firstIndex;i<e.m_lastIndex;i++)this.m_depthBuffer[i]=this.m_depthBuffer[i]<box2d.b2_maxFloat?this.m_depthBuffer[i]*this.m_particleDiameter:0},box2d.b2ParticleSystem.prototype.GetInsideBoundsEnumerator=function(o){var t=box2d.b2ParticleSystem.computeTag(this.m_inverseDiameter*o.lowerBound.x-1,this.m_inverseDiameter*o.lowerBound.y-1);o=box2d.b2ParticleSystem.computeTag(this.m_inverseDiameter*o.upperBound.x+1,this.m_inverseDiameter*o.upperBound.y+1);var e=this.m_proxyBuffer.count,r=box2d.std_lower_bound(this.m_proxyBuffer.data,0,e,t,box2d.b2ParticleSystem.Proxy.CompareProxyTag),i=box2d.std_upper_bound(this.m_proxyBuffer.data,0,e,o,box2d.b2ParticleSystem.Proxy.CompareTagProxy);return box2d.b2Assert(0<=r),box2d.b2Assert(r<=i),box2d.b2Assert(i<=e),new box2d.b2ParticleSystem.InsideBoundsEnumerator(this,t,o,r,i)},box2d.b2ParticleSystem.prototype.UpdateAllParticleFlags=function(){for(var o=this.m_allParticleFlags=0;o<this.m_count;o++)this.m_allParticleFlags|=this.m_flagsBuffer.data[o];this.m_needsUpdateAllParticleFlags=!1},box2d.b2ParticleSystem.prototype.UpdateAllGroupFlags=function(){this.m_allGroupFlags=0;for(var o=this.m_groupList;o;o=o.GetNext())this.m_allGroupFlags|=o.m_groupFlags;this.m_needsUpdateAllGroupFlags=!1},box2d.b2ParticleSystem.prototype.AddContact=function(o,t,e){var r=box2d.b2ParticleSystem.prototype.AddContact.s_d,i=this.m_positionBuffer.data;if(box2d.b2Assert(e===this.m_contactBuffer),e=box2d.b2Sub_V2_V2(i[t],i[o],r),(r=box2d.b2Dot_V2_V2(e,e))<this.m_squaredDiameter){i=box2d.b2InvSqrt(r),isFinite(i)||(i=198177537e11);var b=this.m_contactBuffer.data[this.m_contactBuffer.Append()];b.indexA=o,b.indexB=t,b.flags=this.m_flagsBuffer.data[o]|this.m_flagsBuffer.data[t],b.weight=1-r*i*this.m_inverseDiameter,box2d.b2Mul_S_V2(i,e,b.normal)}},box2d.b2ParticleSystem.prototype.AddContact.s_d=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.FindContacts_Reference=function(o){box2d.b2Assert(o===this.m_contactBuffer),o=this.m_proxyBuffer.count;for(var t=this.m_contactBuffer.count=0,e=0;t<o;t++){for(var r=box2d.b2ParticleSystem.computeRelativeTag(this.m_proxyBuffer.data[t].tag,1,0),i=t+1;i<o&&!(r<this.m_proxyBuffer.data[i].tag);i++)this.AddContact(this.m_proxyBuffer.data[t].index,this.m_proxyBuffer.data[i].index,this.m_contactBuffer);for(i=box2d.b2ParticleSystem.computeRelativeTag(this.m_proxyBuffer.data[t].tag,-1,1);e<o&&!(i<=this.m_proxyBuffer.data[e].tag);e++);for(r=box2d.b2ParticleSystem.computeRelativeTag(this.m_proxyBuffer.data[t].tag,1,1),i=e;i<o&&!(r<this.m_proxyBuffer.data[i].tag);i++)this.AddContact(this.m_proxyBuffer.data[t].index,this.m_proxyBuffer.data[i].index,this.m_contactBuffer)}},box2d.b2ParticleSystem.prototype.FindContacts=function(o){this.FindContacts_Reference(o)},box2d.b2ParticleSystem.prototype.UpdateProxies_Reference=function(o){box2d.b2Assert(o===this.m_proxyBuffer),o=this.m_positionBuffer.data;for(var t=this.m_inverseDiameter,e=0;e<this.m_proxyBuffer.count;++e){var r=this.m_proxyBuffer.data[e],i=o[r.index];r.tag=box2d.b2ParticleSystem.computeTag(t*i.x,t*i.y)}},box2d.b2ParticleSystem.prototype.UpdateProxies=function(o){this.UpdateProxies_Reference(o)},box2d.b2ParticleSystem.prototype.SortProxies=function(o){box2d.b2Assert(o===this.m_proxyBuffer),box2d.std_sort(this.m_proxyBuffer.data,0,this.m_proxyBuffer.count,box2d.b2ParticleSystem.Proxy.CompareProxyProxy)},box2d.b2ParticleSystem.prototype.FilterContacts=function(o){var t=this.GetParticleContactFilter();if(null!==t){box2d.b2Assert(o===this.m_contactBuffer);var e=this;this.m_contactBuffer.RemoveIf(function(o){return o.flags&box2d.b2ParticleFlag.b2_particleContactFilterParticle&&!t.ShouldCollideParticleParticle(e,o.indexA,o.indexB)})}},box2d.b2ParticleSystem.prototype.NotifyContactListenerPreContact=function(o){if(null!==this.GetParticleContactListener())throw o.Initialize(this.m_contactBuffer,this.m_flagsBuffer),Error()},box2d.b2ParticleSystem.prototype.NotifyContactListenerPostContact=function(o){if(null!==(o=this.GetParticleContactListener())){for(var t=0;t<this.m_contactBuffer.count;++t)o.BeginContactParticleParticle(this,this.m_contactBuffer.data[t]);throw Error()}},box2d.b2ParticleSystem.b2ParticleContactIsZombie=function(o){return(o.flags&box2d.b2ParticleFlag.b2_zombieParticle)===box2d.b2ParticleFlag.b2_zombieParticle},box2d.b2ParticleSystem.prototype.UpdateContacts=function(o){this.UpdateProxies(this.m_proxyBuffer),this.SortProxies(this.m_proxyBuffer);var t=new box2d.b2ParticleSystem.b2ParticlePairSet;this.NotifyContactListenerPreContact(t),this.FindContacts(this.m_contactBuffer),this.FilterContacts(this.m_contactBuffer),this.NotifyContactListenerPostContact(t),o&&this.m_contactBuffer.RemoveIf(box2d.b2ParticleSystem.b2ParticleContactIsZombie)},box2d.b2ParticleSystem.prototype.NotifyBodyContactListenerPreContact=function(o){if(null!==this.GetFixtureContactListener())throw o.Initialize(this.m_bodyContactBuffer,this.m_flagsBuffer),Error()},box2d.b2ParticleSystem.prototype.NotifyBodyContactListenerPostContact=function(o){if(null!==(o=this.GetFixtureContactListener())){for(var t=0;t<this.m_bodyContactBuffer.count;t++){var e=this.m_bodyContactBuffer.data[t];box2d.b2Assert(null!==e),o.BeginContactFixtureParticle(this,e)}throw Error()}},box2d.b2ParticleSystem.UpdateBodyContactsCallback=function(o,t){box2d.b2FixtureParticleQueryCallback.call(this,o),this.m_contactFilter=t},goog.inherits(box2d.b2ParticleSystem.UpdateBodyContactsCallback,box2d.b2FixtureParticleQueryCallback),box2d.b2ParticleSystem.UpdateBodyContactsCallback.prototype.ShouldCollideFixtureParticle=function(o,t,e){return!(this.m_contactFilter&&this.m_system.GetFlagsBuffer()[e]&box2d.b2ParticleFlag.b2_fixtureContactFilterParticle)||this.m_contactFilter.ShouldCollideFixtureParticle(o,this.m_system,e)},goog.exportProperty(box2d.b2ParticleSystem.UpdateBodyContactsCallback.prototype,"ShouldCollideFixtureParticle",box2d.b2ParticleSystem.UpdateBodyContactsCallback.prototype.ShouldCollideFixtureParticle),box2d.b2ParticleSystem.UpdateBodyContactsCallback.prototype.ReportFixtureAndParticle=function(o,t,e){var r=box2d.b2ParticleSystem.UpdateBodyContactsCallback.prototype.ReportFixtureAndParticle.s_rp,i=this.m_system.m_positionBuffer.data[e],b=box2d.b2ParticleSystem.UpdateBodyContactsCallback.prototype.ReportFixtureAndParticle.s_n;if((t=o.ComputeDistance(i,b,t))<this.m_system.m_particleDiameter&&this.ShouldCollideFixtureParticle(o,this.m_system,e)){var n=o.GetBody(),p=n.GetWorldCenter(),s=n.GetMass(),a=n.GetInertia()-s*n.GetLocalCenter().LengthSquared(),d=(s=0<s?1/s:0,a=0<a?1/a:0,this.m_system.m_flagsBuffer.data[e]&box2d.b2ParticleFlag.b2_wallParticle?0:this.m_system.GetParticleInvMass());r=box2d.b2Sub_V2_V2(i,p,r),r=d+s+a*(r=box2d.b2Cross_V2_V2(r,b))*r;(i=this.m_system.m_bodyContactBuffer.data[this.m_system.m_bodyContactBuffer.Append()]).index=e,i.body=n,i.fixture=o,i.weight=1-t*this.m_system.m_inverseDiameter,i.normal.Copy(b.SelfNeg()),i.mass=0<r?1/r:0,this.m_system.DetectStuckParticle(e)}},goog.exportProperty(box2d.b2ParticleSystem.UpdateBodyContactsCallback.prototype,"ReportFixtureAndParticle",box2d.b2ParticleSystem.UpdateBodyContactsCallback.prototype.ReportFixtureAndParticle),box2d.b2ParticleSystem.UpdateBodyContactsCallback.prototype.ReportFixtureAndParticle.s_n=new box2d.b2Vec2,box2d.b2ParticleSystem.UpdateBodyContactsCallback.prototype.ReportFixtureAndParticle.s_rp=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.UpdateBodyContacts=function(){var o=box2d.b2ParticleSystem.prototype.UpdateBodyContacts.s_aabb,t=new box2d.b2ParticleSystem.FixtureParticleSet;if(this.NotifyBodyContactListenerPreContact(t),0<this.m_stuckThreshold)for(var e=this.GetParticleCount(),r=0;r<e;r++)this.m_bodyContactCountBuffer.data[r]=0,this.m_timestamp>this.m_lastBodyContactStepBuffer.data[r]+1&&(this.m_consecutiveContactStepsBuffer.data[r]=0);this.m_bodyContactBuffer.SetCount(0),this.m_stuckParticleBuffer.SetCount(0),this.ComputeAABB(o),e=new box2d.b2ParticleSystem.UpdateBodyContactsCallback(this,this.GetFixtureContactFilter()),this.m_world.QueryAABB(e,o),this.m_def.strictContactCheck&&this.RemoveSpuriousBodyContacts(),this.NotifyBodyContactListenerPostContact(t)},box2d.b2ParticleSystem.prototype.UpdateBodyContacts.s_aabb=new box2d.b2AABB,box2d.b2ParticleSystem.prototype.Solve=function(o){var t=box2d.b2ParticleSystem.prototype.Solve.s_subStep;if(0!==this.m_count&&(this.m_expirationTimeBuffer.data&&this.SolveLifetimes(o),this.m_allParticleFlags&box2d.b2ParticleFlag.b2_zombieParticle&&this.SolveZombie(),this.m_needsUpdateAllParticleFlags&&this.UpdateAllParticleFlags(),this.m_needsUpdateAllGroupFlags&&this.UpdateAllGroupFlags(),!this.m_paused))for(this.m_iterationIndex=0;this.m_iterationIndex<o.particleIterations;this.m_iterationIndex++){++this.m_timestamp;var e=t.Copy(o);e.dt/=o.particleIterations,e.inv_dt*=o.particleIterations,this.UpdateContacts(!1),this.UpdateBodyContacts(),this.ComputeWeight(),this.m_allGroupFlags&box2d.b2ParticleGroupFlag.b2_particleGroupNeedsUpdateDepth&&this.ComputeDepth(),this.m_allParticleFlags&box2d.b2ParticleFlag.b2_reactiveParticle&&this.UpdatePairsAndTriadsWithReactiveParticles(),this.m_hasForce&&this.SolveForce(e),this.m_allParticleFlags&box2d.b2ParticleFlag.b2_viscousParticle&&this.SolveViscous(),this.m_allParticleFlags&box2d.b2ParticleFlag.b2_repulsiveParticle&&this.SolveRepulsive(e),this.m_allParticleFlags&box2d.b2ParticleFlag.b2_powderParticle&&this.SolvePowder(e),this.m_allParticleFlags&box2d.b2ParticleFlag.b2_tensileParticle&&this.SolveTensile(e),this.m_allGroupFlags&box2d.b2ParticleGroupFlag.b2_solidParticleGroup&&this.SolveSolid(e),this.m_allParticleFlags&box2d.b2ParticleFlag.b2_colorMixingParticle&&this.SolveColorMixing(),this.SolveGravity(e),this.m_allParticleFlags&box2d.b2ParticleFlag.b2_staticPressureParticle&&this.SolveStaticPressure(e),this.SolvePressure(e),this.SolveDamping(e),this.m_allParticleFlags&box2d.b2ParticleSystem.k_extraDampingFlags&&this.SolveExtraDamping(),this.m_allParticleFlags&box2d.b2ParticleFlag.b2_elasticParticle&&this.SolveElastic(e),this.m_allParticleFlags&box2d.b2ParticleFlag.b2_springParticle&&this.SolveSpring(e),this.LimitVelocity(e),this.m_allGroupFlags&box2d.b2ParticleGroupFlag.b2_rigidParticleGroup&&this.SolveRigidDamping(),this.m_allParticleFlags&box2d.b2ParticleFlag.b2_barrierParticle&&this.SolveBarrier(e),this.SolveCollision(e),this.m_allGroupFlags&box2d.b2ParticleGroupFlag.b2_rigidParticleGroup&&this.SolveRigid(e),this.m_allParticleFlags&box2d.b2ParticleFlag.b2_wallParticle&&this.SolveWall();for(var r=0;r<this.m_count;r++)this.m_positionBuffer.data[r].SelfMulAdd(e.dt,this.m_velocityBuffer.data[r])}},goog.exportProperty(box2d.b2ParticleSystem.prototype,"Solve",box2d.b2ParticleSystem.prototype.Solve),box2d.b2ParticleSystem.prototype.Solve.s_subStep=new box2d.b2TimeStep,box2d.b2ParticleSystem.SolveCollisionCallback=function(o,t){box2d.b2FixtureParticleQueryCallback.call(this,o),this.m_step=t},goog.inherits(box2d.b2ParticleSystem.SolveCollisionCallback,box2d.b2FixtureParticleQueryCallback),box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportFixtureAndParticle=function(o,t,e){var r=box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportFixtureAndParticle.s_p1,i=box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportFixtureAndParticle.s_output,b=box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportFixtureAndParticle.s_input,n=box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportFixtureAndParticle.s_p,p=box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportFixtureAndParticle.s_v,s=box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportFixtureAndParticle.s_f,a=o.GetBody(),d=this.m_system.m_positionBuffer.data[e],l=this.m_system.m_velocityBuffer.data[e];0===this.m_system.m_iterationIndex?(r=box2d.b2MulT_X_V2(a.m_xf0,d,r),o.GetShape().GetType()===box2d.b2ShapeType.e_circleShape&&(r.SelfSub(a.GetLocalCenter()),box2d.b2Mul_R_V2(a.m_xf0.q,r,r),box2d.b2MulT_R_V2(a.m_xf.q,r,r),r.SelfAdd(a.GetLocalCenter())),box2d.b2Mul_X_V2(a.m_xf,r,b.p1)):b.p1.Copy(d),box2d.b2AddMul_V2_S_V2(d,this.m_step.dt,l,b.p2),b.maxFraction=1,o.RayCast(i,b,t)&&(o=i.normal,n.x=(1-i.fraction)*b.p1.x+i.fraction*b.p2.x+box2d.b2_linearSlop*o.x,n.y=(1-i.fraction)*b.p1.y+i.fraction*b.p2.y+box2d.b2_linearSlop*o.y,p.x=this.m_step.inv_dt*(n.x-d.x),p.y=this.m_step.inv_dt*(n.y-d.y),this.m_system.m_velocityBuffer.data[e].Copy(p),s.x=this.m_step.inv_dt*this.m_system.GetParticleMass()*(l.x-p.x),s.y=this.m_step.inv_dt*this.m_system.GetParticleMass()*(l.y-p.y),this.m_system.ParticleApplyForce(e,s))},goog.exportProperty(box2d.b2ParticleSystem.SolveCollisionCallback.prototype,"ReportFixtureAndParticle",box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportFixtureAndParticle),box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportFixtureAndParticle.s_p1=new box2d.b2Vec2,box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportFixtureAndParticle.s_output=new box2d.b2RayCastOutput,box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportFixtureAndParticle.s_input=new box2d.b2RayCastInput,box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportFixtureAndParticle.s_p=new box2d.b2Vec2,box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportFixtureAndParticle.s_v=new box2d.b2Vec2,box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportFixtureAndParticle.s_f=new box2d.b2Vec2,box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportParticle=function(o,t){return!1},goog.exportProperty(box2d.b2ParticleSystem.SolveCollisionCallback.prototype,"ReportParticle",box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportParticle),box2d.b2ParticleSystem.prototype.SolveCollision=function(o){var t=this.m_positionBuffer.data,e=this.m_velocityBuffer.data,r=box2d.b2ParticleSystem.prototype.SolveCollision.s_aabb;r.lowerBound.x=+box2d.b2_maxFloat,r.lowerBound.y=+box2d.b2_maxFloat,r.upperBound.x=-box2d.b2_maxFloat,r.upperBound.y=-box2d.b2_maxFloat;for(var i=0;i<this.m_count;i++){var b=e[i],n=t[i],p=n.x+o.dt*b.x;b=n.y+o.dt*b.y;r.lowerBound.x=box2d.b2Min(r.lowerBound.x,box2d.b2Min(n.x,p)),r.lowerBound.y=box2d.b2Min(r.lowerBound.y,box2d.b2Min(n.y,b)),r.upperBound.x=box2d.b2Max(r.upperBound.x,box2d.b2Max(n.x,p)),r.upperBound.y=box2d.b2Max(r.upperBound.y,box2d.b2Max(n.y,b))}o=new box2d.b2ParticleSystem.SolveCollisionCallback(this,o),this.m_world.QueryAABB(o,r)},box2d.b2ParticleSystem.prototype.SolveCollision.s_aabb=new box2d.b2AABB,box2d.b2ParticleSystem.prototype.LimitVelocity=function(o){var t=this.m_velocityBuffer.data;o=this.GetCriticalVelocitySquared(o);for(var e=0;e<this.m_count;e++){var r=t[e],i=box2d.b2Dot_V2_V2(r,r);i>o&&r.SelfMul(box2d.b2Sqrt(o/i))}},box2d.b2ParticleSystem.prototype.SolveGravity=function(o){var t=box2d.b2ParticleSystem.prototype.SolveGravity.s_gravity,e=this.m_velocityBuffer.data;for(o=box2d.b2Mul_S_V2(o.dt*this.m_def.gravityScale,this.m_world.GetGravity(),t),t=0;t<this.m_count;t++)e[t].SelfAdd(o)},box2d.b2ParticleSystem.prototype.SolveGravity.s_gravity=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveBarrier=function(o){for(var t=box2d.b2ParticleSystem.prototype.SolveBarrier.s_aabb,e=box2d.b2ParticleSystem.prototype.SolveBarrier.s_va,r=box2d.b2ParticleSystem.prototype.SolveBarrier.s_vb,i=box2d.b2ParticleSystem.prototype.SolveBarrier.s_pba,b=box2d.b2ParticleSystem.prototype.SolveBarrier.s_vba,n=box2d.b2ParticleSystem.prototype.SolveBarrier.s_vc,p=box2d.b2ParticleSystem.prototype.SolveBarrier.s_pca,s=box2d.b2ParticleSystem.prototype.SolveBarrier.s_vca,a=box2d.b2ParticleSystem.prototype.SolveBarrier.s_qba,d=box2d.b2ParticleSystem.prototype.SolveBarrier.s_qca,l=box2d.b2ParticleSystem.prototype.SolveBarrier.s_dv,x=box2d.b2ParticleSystem.prototype.SolveBarrier.s_f,y=this.m_positionBuffer.data,c=this.m_velocityBuffer.data,_=0;_<this.m_count;_++)0!=(this.m_flagsBuffer.data[_]&box2d.b2ParticleSystem.k_barrierWallFlags)&&c[_].SetZero();_=box2d.b2_barrierCollisionTime*o.dt;for(var m=this.GetParticleMass(),u=0;u<this.m_pairBuffer.count;u++){if((f=this.m_pairBuffer.data[u]).flags&box2d.b2ParticleFlag.b2_barrierParticle){var h=f.indexA,g=f.indexB,f=y[h],S=y[g],P=t;box2d.b2Min_V2_V2(f,S,P.lowerBound),box2d.b2Max_V2_V2(f,S,P.upperBound);var C,A=this.m_groupBuffer[h],B=this.m_groupBuffer[g];for(h=this.GetLinearVelocity(A,h,f,e),g=this.GetLinearVelocity(B,g,S,r),S=box2d.b2Sub_V2_V2(S,f,i),g=box2d.b2Sub_V2_V2(g,h,b),P=this.GetInsideBoundsEnumerator(P);0<=(C=P.GetNext());){var v=y[C],V=this.m_groupBuffer[C];if(A!==V&&B!==V){var J=this.GetLinearVelocity(V,C,v,n),M=box2d.b2Sub_V2_V2(v,f,p),w=box2d.b2Sub_V2_V2(J,h,s),D=box2d.b2Cross_V2_V2(g,w),G=box2d.b2Cross_V2_V2(S,w)-box2d.b2Cross_V2_V2(M,g),T=box2d.b2Cross_V2_V2(S,M),I=a,R=d;if(0===D){if(0===G)continue;if(!(0<=(T=-T/G)&&T<_))continue;if(box2d.b2AddMul_V2_S_V2(S,T,g,I),box2d.b2AddMul_V2_S_V2(M,T,w,R),!(0<=(G=box2d.b2Dot_V2_V2(I,R)/box2d.b2Dot_V2_V2(I,I))&&1>=G))continue}else{if(0>(T=G*G-4*T*D))continue;var F=box2d.b2Sqrt(T);if((T=(-G-F)/(2*D))>(D=(-G+F)/(2*D))&&(G=T,T=D,D=G),box2d.b2AddMul_V2_S_V2(S,T,g,I),box2d.b2AddMul_V2_S_V2(M,T,w,R),G=box2d.b2Dot_V2_V2(I,R)/box2d.b2Dot_V2_V2(I,I),!(0<=T&&T<_&&0<=G&&1>=G)){if(!(0<=(T=D)&&T<_))continue;if(box2d.b2AddMul_V2_S_V2(S,T,g,I),box2d.b2AddMul_V2_S_V2(M,T,w,R),!(0<=(G=box2d.b2Dot_V2_V2(I,R)/box2d.b2Dot_V2_V2(I,I))&&1>=G))continue}}(M=l).x=h.x+G*g.x-J.x,M.y=h.y+G*g.y-J.y,J=box2d.b2Mul_S_V2(m,M,x),this.IsRigidGroup(V)?(m=V.GetMass(),M=V.GetInertia(),0<m&&V.m_linearVelocity.SelfMulAdd(1/m,J),0<M&&(V.m_angularVelocity+=box2d.b2Cross_V2_V2(box2d.b2Sub_V2_V2(v,V.GetCenter(),box2d.b2Vec2.s_t0),J)/M)):c[C].SelfAdd(M),this.ParticleApplyForce(C,J.SelfMul(-o.inv_dt))}}}}},box2d.b2ParticleSystem.prototype.SolveBarrier.s_aabb=new box2d.b2AABB,box2d.b2ParticleSystem.prototype.SolveBarrier.s_va=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveBarrier.s_vb=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveBarrier.s_pba=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveBarrier.s_vba=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveBarrier.s_vc=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveBarrier.s_pca=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveBarrier.s_vca=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveBarrier.s_qba=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveBarrier.s_qca=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveBarrier.s_dv=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveBarrier.s_f=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveStaticPressure=function(o){this.m_staticPressureBuffer=this.RequestBuffer(this.m_staticPressureBuffer);var t=this.GetCriticalPressure(o);o=this.m_def.staticPressureStrength*t;t=box2d.b2_maxParticlePressure*t;for(var e=this.m_def.staticPressureRelaxation,r=0;r<this.m_def.staticPressureIterations;r++){for(var i=0;i<this.m_count;i++)this.m_accumulationBuffer[i]=0;for(i=0;i<this.m_contactBuffer.count;i++){if((p=this.m_contactBuffer.data[i]).flags&box2d.b2ParticleFlag.b2_staticPressureParticle){var b=p.indexA,n=p.indexB,p=p.weight;this.m_accumulationBuffer[b]+=p*this.m_staticPressureBuffer[n],this.m_accumulationBuffer[n]+=p*this.m_staticPressureBuffer[b]}}for(i=0;i<this.m_count;i++)p=this.m_weightBuffer[i],this.m_staticPressureBuffer[i]=this.m_flagsBuffer.data[i]&box2d.b2ParticleFlag.b2_staticPressureParticle?box2d.b2Clamp((this.m_accumulationBuffer[i]+o*(p-box2d.b2_minParticleWeight))/(p+e),0,t):0}},box2d.b2ParticleSystem.prototype.ComputeWeight=function(){for(var o=0;o<this.m_count;o++)this.m_weightBuffer[o]=0;for(o=0;o<this.m_bodyContactBuffer.count;o++){var t=(e=this.m_bodyContactBuffer.data[o]).index,e=e.weight;this.m_weightBuffer[t]+=e}for(o=0;o<this.m_contactBuffer.count;o++){t=(e=this.m_contactBuffer.data[o]).indexA;var r=e.indexB;e=e.weight;this.m_weightBuffer[t]+=e,this.m_weightBuffer[r]+=e}},box2d.b2ParticleSystem.prototype.SolvePressure=function(o){for(var t=box2d.b2ParticleSystem.prototype.SolvePressure.s_f,e=this.m_positionBuffer.data,r=this.m_velocityBuffer.data,i=this.GetCriticalPressure(o),b=this.m_def.pressureStrength*i,n=box2d.b2_maxParticlePressure*i,p=0;p<this.m_count;p++){i=this.m_weightBuffer[p];var s=b*box2d.b2Max(0,i-box2d.b2_minParticleWeight);this.m_accumulationBuffer[p]=box2d.b2Min(s,n)}if(this.m_allParticleFlags&box2d.b2ParticleSystem.k_noPressureFlags)for(p=0;p<this.m_count;p++)this.m_flagsBuffer.data[p]&box2d.b2ParticleSystem.k_noPressureFlags&&(this.m_accumulationBuffer[p]=0);if(this.m_allParticleFlags&box2d.b2ParticleFlag.b2_staticPressureParticle)for(box2d.b2Assert(null!==this.m_staticPressureBuffer),p=0;p<this.m_count;p++)this.m_flagsBuffer.data[p]&box2d.b2ParticleFlag.b2_staticPressureParticle&&(this.m_accumulationBuffer[p]+=this.m_staticPressureBuffer[p]);for(o=o.dt/(this.m_def.density*this.m_particleDiameter),n=this.GetParticleInvMass(),p=0;p<this.m_bodyContactBuffer.count;p++){var a=(s=this.m_bodyContactBuffer.data[p]).index,d=s.body,l=(i=s.weight,s.mass),x=s.normal,y=e[a];s=this.m_accumulationBuffer[a]+b*i,i=box2d.b2Mul_S_V2(o*i*l*s,x,t);r[a].SelfMulSub(n,i),d.ApplyLinearImpulse(i,y,!0)}for(p=0;p<this.m_contactBuffer.count;p++)a=(s=this.m_contactBuffer.data[p]).indexA,d=s.indexB,i=s.weight,x=s.normal,s=this.m_accumulationBuffer[a]+this.m_accumulationBuffer[d],i=box2d.b2Mul_S_V2(o*i*s,x,t),r[a].SelfSub(i),r[d].SelfAdd(i)},box2d.b2ParticleSystem.prototype.SolvePressure.s_f=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveDamping=function(o){var t=box2d.b2ParticleSystem.prototype.SolveDamping.s_v,e=box2d.b2ParticleSystem.prototype.SolveDamping.s_f,r=this.m_positionBuffer.data,i=this.m_velocityBuffer.data,b=this.m_def.dampingStrength;o=1/this.GetCriticalVelocity(o);for(var n=this.GetParticleInvMass(),p=0;p<this.m_bodyContactBuffer.count;p++){var s=(y=this.m_bodyContactBuffer.data[p]).index,a=y.body,d=y.weight,l=y.mass,x=y.normal,y=r[s],c=box2d.b2Sub_V2_V2(a.GetLinearVelocityFromWorldPoint(y,box2d.b2Vec2.s_t0),i[s],t);0>(c=box2d.b2Dot_V2_V2(c,x))&&(d=box2d.b2Max(b*d,box2d.b2Min(-o*c,.5)),l=box2d.b2Mul_S_V2(d*l*c,x,e),i[s].SelfMulAdd(n,l),a.ApplyLinearImpulse(l.SelfNeg(),y,!0))}for(p=0;p<this.m_contactBuffer.count;p++)s=(y=this.m_contactBuffer.data[p]).indexA,a=y.indexB,d=y.weight,x=y.normal,c=box2d.b2Sub_V2_V2(i[a],i[s],t),0>(c=box2d.b2Dot_V2_V2(c,x))&&(d=box2d.b2Max(b*d,box2d.b2Min(-o*c,.5)),l=box2d.b2Mul_S_V2(d*c,x,e),i[s].SelfAdd(l),i[a].SelfSub(l))},box2d.b2ParticleSystem.prototype.SolveDamping.s_v=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveDamping.s_f=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveRigidDamping=function(){for(var o=box2d.b2ParticleSystem.prototype.SolveRigidDamping.s_t0,t=box2d.b2ParticleSystem.prototype.SolveRigidDamping.s_t1,e=box2d.b2ParticleSystem.prototype.SolveRigidDamping.s_p,r=box2d.b2ParticleSystem.prototype.SolveRigidDamping.s_v,i=[0],b=[0],n=[0],p=[0],s=[0],a=[0],d=this.m_positionBuffer.data,l=this.m_def.dampingStrength,x=0;x<this.m_bodyContactBuffer.count;x++){var y=(h=this.m_bodyContactBuffer.data[x]).index,c=this.m_groupBuffer[y];if(this.IsRigidGroup(c)){var _=h.body,m=h.normal,u=h.weight,h=d[y],g=box2d.b2Sub_V2_V2(_.GetLinearVelocityFromWorldPoint(h,o),c.GetLinearVelocityFromWorldPoint(h,t),r);0>(g=box2d.b2Dot_V2_V2(g,m))&&(this.InitDampingParameterWithRigidGroupOrParticle(i,b,n,!0,c,y,h,m),this.InitDampingParameter(p,s,a,_.GetMass(),_.GetInertia()-_.GetMass()*_.GetLocalCenter().LengthSquared(),_.GetWorldCenter(),h,m),u=l*box2d.b2Min(u,1)*this.ComputeDampingImpulse(i[0],b[0],n[0],p[0],s[0],a[0],g),this.ApplyDamping(i[0],b[0],n[0],!0,c,y,u,m),_.ApplyLinearImpulse(box2d.b2Mul_S_V2(-u,m,box2d.b2Vec2.s_t0),h,!0))}}for(x=0;x<this.m_contactBuffer.count;x++){y=(h=this.m_contactBuffer.data[x]).indexA,_=h.indexB,m=h.normal,u=h.weight,c=this.m_groupBuffer[y];var f=this.m_groupBuffer[_],S=this.IsRigidGroup(c),P=this.IsRigidGroup(f);c!==f&&(S||P)&&(h=box2d.b2Mid_V2_V2(d[y],d[_],e),g=box2d.b2Sub_V2_V2(this.GetLinearVelocity(f,_,h,o),this.GetLinearVelocity(c,y,h,t),r),0>(g=box2d.b2Dot_V2_V2(g,m))&&(this.InitDampingParameterWithRigidGroupOrParticle(i,b,n,S,c,y,h,m),this.InitDampingParameterWithRigidGroupOrParticle(p,s,a,P,f,_,h,m),u=l*u*this.ComputeDampingImpulse(i[0],b[0],n[0],p[0],s[0],a[0],g),this.ApplyDamping(i[0],b[0],n[0],S,c,y,u,m),this.ApplyDamping(p[0],s[0],a[0],P,f,_,-u,m)))}},box2d.b2ParticleSystem.prototype.SolveRigidDamping.s_t0=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveRigidDamping.s_t1=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveRigidDamping.s_p=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveRigidDamping.s_v=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveExtraDamping=function(){for(var o=box2d.b2ParticleSystem.prototype.SolveExtraDamping.s_v,t=box2d.b2ParticleSystem.prototype.SolveExtraDamping.s_f,e=this.m_velocityBuffer.data,r=this.m_positionBuffer.data,i=this.GetParticleInvMass(),b=0;b<this.m_bodyContactBuffer.count;b++){var n=(d=this.m_bodyContactBuffer.data[b]).index;if(this.m_flagsBuffer.data[n]&box2d.b2ParticleSystem.k_extraDampingFlags){var p=d.body,s=d.mass,a=d.normal,d=r[n],l=box2d.b2Sub_V2_V2(p.GetLinearVelocityFromWorldPoint(d,box2d.b2Vec2.s_t0),e[n],o);0>(l=box2d.b2Dot_V2_V2(l,a))&&(s=box2d.b2Mul_S_V2(.5*s*l,a,t),e[n].SelfMulAdd(i,s),p.ApplyLinearImpulse(s.SelfNeg(),d,!0))}}},box2d.b2ParticleSystem.prototype.SolveExtraDamping.s_v=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveExtraDamping.s_f=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveWall=function(){for(var o=this.m_velocityBuffer.data,t=0;t<this.m_count;t++)this.m_flagsBuffer.data[t]&box2d.b2ParticleFlag.b2_wallParticle&&o[t].SetZero()},box2d.b2ParticleSystem.prototype.SolveRigid=function(o){for(var t=box2d.b2ParticleSystem.prototype.SolveRigid.s_position,e=box2d.b2ParticleSystem.prototype.SolveRigid.s_rotation,r=box2d.b2ParticleSystem.prototype.SolveRigid.s_transform,i=box2d.b2ParticleSystem.prototype.SolveRigid.s_velocityTransform,b=this.m_positionBuffer.data,n=this.m_velocityBuffer.data,p=this.m_groupList;p;p=p.GetNext())if(p.m_groupFlags&box2d.b2ParticleGroupFlag.b2_rigidParticleGroup){p.UpdateStatistics();var s=e;s.SetAngle(o.dt*p.m_angularVelocity);var a=box2d.b2Add_V2_V2(p.m_center,box2d.b2Sub_V2_V2(box2d.b2Mul_S_V2(o.dt,p.m_linearVelocity,box2d.b2Vec2.s_t0),box2d.b2Mul_R_V2(s,p.m_center,box2d.b2Vec2.s_t1),box2d.b2Vec2.s_t0),t),d=r;for(d.SetPositionRotation(a,s),box2d.b2Mul_X_X(d,p.m_transform,p.m_transform),(s=i).p.x=o.inv_dt*d.p.x,s.p.y=o.inv_dt*d.p.y,s.q.s=o.inv_dt*d.q.s,s.q.c=o.inv_dt*(d.q.c-1),d=p.m_firstIndex;d<p.m_lastIndex;d++)box2d.b2Mul_X_V2(s,b[d],n[d])}},box2d.b2ParticleSystem.prototype.SolveRigid.s_position=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveRigid.s_rotation=new box2d.b2Rot,box2d.b2ParticleSystem.prototype.SolveRigid.s_transform=new box2d.b2Transform,box2d.b2ParticleSystem.prototype.SolveRigid.s_velocityTransform=new box2d.b2Transform,box2d.b2ParticleSystem.prototype.SolveElastic=function(o){for(var t=box2d.b2ParticleSystem.prototype.SolveElastic.s_pa,e=box2d.b2ParticleSystem.prototype.SolveElastic.s_pb,r=box2d.b2ParticleSystem.prototype.SolveElastic.s_pc,i=box2d.b2ParticleSystem.prototype.SolveElastic.s_r,b=box2d.b2ParticleSystem.prototype.SolveElastic.s_t0,n=this.m_positionBuffer.data,p=this.m_velocityBuffer.data,s=o.inv_dt*this.m_def.elasticStrength,a=0;a<this.m_triadBuffer.count;a++){var d=this.m_triadBuffer.data[a];if(d.flags&box2d.b2ParticleFlag.b2_elasticParticle){var l=d.indexA,x=d.indexB,y=d.indexC,c=d.pa,_=d.pb,m=d.pc,u=t.Copy(n[l]),h=e.Copy(n[x]),g=r.Copy(n[y]);l=p[l],x=p[x],y=p[y];u.SelfMulAdd(o.dt,l),h.SelfMulAdd(o.dt,x),g.SelfMulAdd(o.dt,y);var f=(u.x+h.x+g.x)/3,S=(u.y+h.y+g.y)/3;u.x-=f,u.y-=S,h.x-=f,h.y-=S,g.x-=f,g.y-=S,(f=i).s=box2d.b2Cross_V2_V2(c,u)+box2d.b2Cross_V2_V2(_,h)+box2d.b2Cross_V2_V2(m,g),f.c=box2d.b2Dot_V2_V2(c,u)+box2d.b2Dot_V2_V2(_,h)+box2d.b2Dot_V2_V2(m,g),S=box2d.b2InvSqrt(f.s*f.s+f.c*f.c),isFinite(S)||(S=198177537e11),f.s*=S,f.c*=S,f.angle=Math.atan2(f.s,f.c),d=s*d.strength,box2d.b2Mul_R_V2(f,c,b),box2d.b2Sub_V2_V2(b,u,b),box2d.b2Mul_S_V2(d,b,b),l.SelfAdd(b),box2d.b2Mul_R_V2(f,_,b),box2d.b2Sub_V2_V2(b,h,b),box2d.b2Mul_S_V2(d,b,b),x.SelfAdd(b),box2d.b2Mul_R_V2(f,m,b),box2d.b2Sub_V2_V2(b,g,b),box2d.b2Mul_S_V2(d,b,b),y.SelfAdd(b)}}},box2d.b2ParticleSystem.prototype.SolveElastic.s_pa=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveElastic.s_pb=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveElastic.s_pc=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveElastic.s_r=new box2d.b2Rot,box2d.b2ParticleSystem.prototype.SolveElastic.s_t0=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveSpring=function(o){for(var t=box2d.b2ParticleSystem.prototype.SolveSpring.s_pa,e=box2d.b2ParticleSystem.prototype.SolveSpring.s_pb,r=box2d.b2ParticleSystem.prototype.SolveSpring.s_d,i=box2d.b2ParticleSystem.prototype.SolveSpring.s_f,b=this.m_positionBuffer.data,n=this.m_velocityBuffer.data,p=o.inv_dt*this.m_def.springStrength,s=0;s<this.m_pairBuffer.count;s++){if((c=this.m_pairBuffer.data[s]).flags&box2d.b2ParticleFlag.b2_springParticle){var a=c.indexA,d=c.indexB,l=t.Copy(b[a]),x=e.Copy(b[d]);a=n[a],d=n[d];l.SelfMulAdd(o.dt,a),x.SelfMulAdd(o.dt,d);l=box2d.b2Sub_V2_V2(x,l,r),x=c.distance;var y=l.Length(),c=box2d.b2Mul_S_V2(p*c.strength*(x-y)/y,l,i);a.SelfSub(c),d.SelfAdd(c)}}},box2d.b2ParticleSystem.prototype.SolveSpring.s_pa=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveSpring.s_pb=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveSpring.s_d=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveSpring.s_f=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveTensile=function(o){var t=box2d.b2ParticleSystem.prototype.SolveTensile.s_weightedNormal,e=box2d.b2ParticleSystem.prototype.SolveTensile.s_s,r=box2d.b2ParticleSystem.prototype.SolveTensile.s_f,i=this.m_velocityBuffer.data;box2d.b2Assert(null!==this.m_accumulation2Buffer);for(var b=0;b<this.m_count;b++)this.m_accumulation2Buffer[b]=box2d.b2Vec2_zero.Clone(),this.m_accumulation2Buffer[b].SetZero();for(b=0;b<this.m_contactBuffer.count;b++){if((a=this.m_contactBuffer.data[b]).flags&box2d.b2ParticleFlag.b2_tensileParticle){var n=a.indexA,p=a.indexB,s=a.weight,a=a.normal;s=box2d.b2Mul_S_V2((1-s)*s,a,t);this.m_accumulation2Buffer[n].SelfSub(s),this.m_accumulation2Buffer[p].SelfAdd(s)}}b=this.GetCriticalVelocity(o),o=this.m_def.surfaceTensionPressureStrength*b;t=this.m_def.surfaceTensionNormalStrength*b;var d=box2d.b2_maxParticleForce*b;for(b=0;b<this.m_contactBuffer.count;b++)if((a=this.m_contactBuffer.data[b]).flags&box2d.b2ParticleFlag.b2_tensileParticle){n=a.indexA,p=a.indexB,s=a.weight,a=a.normal;var l=this.m_weightBuffer[n]+this.m_weightBuffer[p],x=box2d.b2Sub_V2_V2(this.m_accumulation2Buffer[p],this.m_accumulation2Buffer[n],e);s=box2d.b2Min(o*(l-2)+t*box2d.b2Dot_V2_V2(x,a),d)*s,s=box2d.b2Mul_S_V2(s,a,r);i[n].SelfSub(s),i[p].SelfAdd(s)}},box2d.b2ParticleSystem.prototype.SolveTensile.s_weightedNormal=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveTensile.s_s=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveTensile.s_f=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveViscous=function(){for(var o=box2d.b2ParticleSystem.prototype.SolveViscous.s_v,t=box2d.b2ParticleSystem.prototype.SolveViscous.s_f,e=this.m_positionBuffer.data,r=this.m_velocityBuffer.data,i=this.m_def.viscousStrength,b=this.GetParticleInvMass(),n=0;n<this.m_bodyContactBuffer.count;n++){var p=(l=this.m_bodyContactBuffer.data[n]).index;if(this.m_flagsBuffer.data[p]&box2d.b2ParticleFlag.b2_viscousParticle){var s=l.body,a=l.weight,d=l.mass,l=e[p],x=box2d.b2Sub_V2_V2(s.GetLinearVelocityFromWorldPoint(l,box2d.b2Vec2.s_t0),r[p],o);a=box2d.b2Mul_S_V2(i*d*a,x,t);r[p].SelfMulAdd(b,a),s.ApplyLinearImpulse(a.SelfNeg(),l,!0)}}for(n=0;n<this.m_contactBuffer.count;n++)(l=this.m_contactBuffer.data[n]).flags&box2d.b2ParticleFlag.b2_viscousParticle&&(p=l.indexA,s=l.indexB,a=l.weight,x=box2d.b2Sub_V2_V2(r[s],r[p],o),a=box2d.b2Mul_S_V2(i*a,x,t),r[p].SelfAdd(a),r[s].SelfSub(a))},box2d.b2ParticleSystem.prototype.SolveViscous.s_v=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveViscous.s_f=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveRepulsive=function(o){var t=box2d.b2ParticleSystem.prototype.SolveRepulsive.s_f,e=this.m_velocityBuffer.data;o=this.m_def.repulsiveStrength*this.GetCriticalVelocity(o);for(var r=0;r<this.m_contactBuffer.count;r++){var i=this.m_contactBuffer.data[r];if(i.flags&box2d.b2ParticleFlag.b2_repulsiveParticle){var b=i.indexA,n=i.indexB;this.m_groupBuffer[b]!==this.m_groupBuffer[n]&&(i=box2d.b2Mul_S_V2(o*i.weight,i.normal,t),e[b].SelfSub(i),e[n].SelfAdd(i))}}},box2d.b2ParticleSystem.prototype.SolveRepulsive.s_f=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolvePowder=function(o){var t=box2d.b2ParticleSystem.prototype.SolvePowder.s_f,e=this.m_positionBuffer.data,r=this.m_velocityBuffer.data;o=this.m_def.powderStrength*this.GetCriticalVelocity(o);for(var i=1-box2d.b2_particleStride,b=this.GetParticleInvMass(),n=0;n<this.m_bodyContactBuffer.count;n++){var p=(x=this.m_bodyContactBuffer.data[n]).index;if(this.m_flagsBuffer.data[p]&box2d.b2ParticleFlag.b2_powderParticle){var s=x.weight;if(s>i){var a=x.body,d=e[p],l=x.normal,x=box2d.b2Mul_S_V2(o*x.mass*(s-i),l,t);r[p].SelfMulSub(b,x),a.ApplyLinearImpulse(x,d,!0)}}}for(n=0;n<this.m_contactBuffer.count;n++)(x=this.m_contactBuffer.data[n]).flags&box2d.b2ParticleFlag.b2_powderParticle&&((s=x.weight)>i&&(p=x.indexA,a=x.indexB,l=x.normal,x=box2d.b2Mul_S_V2(o*(s-i),l,t),r[p].SelfSub(x),r[a].SelfAdd(x)))},box2d.b2ParticleSystem.prototype.SolvePowder.s_f=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveSolid=function(o){var t=box2d.b2ParticleSystem.prototype.SolveSolid.s_f,e=this.m_velocityBuffer.data;this.m_depthBuffer=this.RequestBuffer(this.m_depthBuffer),o=o.inv_dt*this.m_def.ejectionStrength;for(var r=0;r<this.m_contactBuffer.count;r++){var i=this.m_contactBuffer.data[r],b=i.indexA,n=i.indexB;this.m_groupBuffer[b]!==this.m_groupBuffer[n]&&(i=box2d.b2Mul_S_V2(o*(this.m_depthBuffer[b]+this.m_depthBuffer[n])*i.weight,i.normal,t),e[b].SelfSub(i),e[n].SelfAdd(i))}},box2d.b2ParticleSystem.prototype.SolveSolid.s_f=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveForce=function(o){var t=this.m_velocityBuffer.data;o=o.dt*this.GetParticleInvMass();for(var e=0;e<this.m_count;e++)t[e].SelfMulAdd(o,this.m_forceBuffer[e]);this.m_hasForce=!1},box2d.b2ParticleSystem.prototype.SolveColorMixing=function(){box2d.b2Assert(null!==this.m_colorBuffer.data);var o=Math.floor(128*this.m_def.colorMixingStrength);if(o)for(var t=0;t<this.m_contactBuffer.count;t++){var e=(r=this.m_contactBuffer.data[t]).indexA,r=r.indexB;this.m_flagsBuffer.data[e]&this.m_flagsBuffer.data[r]&box2d.b2ParticleFlag.b2_colorMixingParticle&&box2d.b2ParticleColor.MixColors(this.m_colorBuffer.data[e],this.m_colorBuffer.data[r],o)}},box2d.b2ParticleSystem.prototype.SolveZombie=function(){for(var o=0,t=[],e=0;e<this.m_count;e++)t[e]=box2d.b2_invalidParticleIndex;box2d.b2Assert(t.length===this.m_count);var r=0;for(e=0;e<this.m_count;e++){var i=this.m_flagsBuffer.data[e];if(i&box2d.b2ParticleFlag.b2_zombieParticle){var b=this.m_world.m_destructionListener;i&box2d.b2ParticleFlag.b2_destructionListenerParticle&&b&&b.SayGoodbyeParticle(this,e),this.m_handleIndexBuffer.data&&(b=this.m_handleIndexBuffer.data[e])&&(b.SetIndex(box2d.b2_invalidParticleIndex),this.m_handleIndexBuffer.data[e]=null),t[e]=box2d.b2_invalidParticleIndex}else t[e]=o,e!==o&&(this.m_handleIndexBuffer.data&&((b=this.m_handleIndexBuffer.data[e])&&b.SetIndex(o),this.m_handleIndexBuffer.data[o]=b),this.m_flagsBuffer.data[o]=this.m_flagsBuffer.data[e],this.m_lastBodyContactStepBuffer.data&&(this.m_lastBodyContactStepBuffer.data[o]=this.m_lastBodyContactStepBuffer.data[e]),this.m_bodyContactCountBuffer.data&&(this.m_bodyContactCountBuffer.data[o]=this.m_bodyContactCountBuffer.data[e]),this.m_consecutiveContactStepsBuffer.data&&(this.m_consecutiveContactStepsBuffer.data[o]=this.m_consecutiveContactStepsBuffer.data[e]),this.m_positionBuffer.data[o].Copy(this.m_positionBuffer.data[e]),this.m_velocityBuffer.data[o].Copy(this.m_velocityBuffer.data[e]),this.m_groupBuffer[o]=this.m_groupBuffer[e],this.m_hasForce&&this.m_forceBuffer[o].Copy(this.m_forceBuffer[e]),this.m_staticPressureBuffer&&(this.m_staticPressureBuffer[o]=this.m_staticPressureBuffer[e]),this.m_depthBuffer&&(this.m_depthBuffer[o]=this.m_depthBuffer[e]),this.m_colorBuffer.data&&this.m_colorBuffer.data[o].Copy(this.m_colorBuffer.data[e]),this.m_userDataBuffer.data&&(this.m_userDataBuffer.data[o]=this.m_userDataBuffer.data[e]),this.m_expirationTimeBuffer.data&&(this.m_expirationTimeBuffer.data[o]=this.m_expirationTimeBuffer.data[e])),o++,r|=i}for(e=0;e<this.m_proxyBuffer.count;e++)(i=this.m_proxyBuffer.data[e]).index=t[i.index];for(this.m_proxyBuffer.RemoveIf(function(o){return 0>o.index}),e=0;e<this.m_contactBuffer.count;e++)(i=this.m_contactBuffer.data[e]).indexA=t[i.indexA],i.indexB=t[i.indexB];for(this.m_contactBuffer.RemoveIf(function(o){return 0>o.indexA||0>o.indexB}),e=0;e<this.m_bodyContactBuffer.count;e++)(i=this.m_bodyContactBuffer.data[e]).index=t[i.index];for(this.m_bodyContactBuffer.RemoveIf(function(o){return 0>o.index}),e=0;e<this.m_pairBuffer.count;e++)(i=this.m_pairBuffer.data[e]).indexA=t[i.indexA],i.indexB=t[i.indexB];for(this.m_pairBuffer.RemoveIf(function(o){return 0>o.indexA||0>o.indexB}),e=0;e<this.m_triadBuffer.count;e++)(i=this.m_triadBuffer.data[e]).indexA=t[i.indexA],i.indexB=t[i.indexB],i.indexC=t[i.indexC];if(this.m_triadBuffer.RemoveIf(function(o){return 0>o.indexA||0>o.indexB||0>o.indexC}),this.m_indexByExpirationTimeBuffer.data)for(i=e=0;i<this.m_count;i++)(b=t[this.m_indexByExpirationTimeBuffer.data[i]])!==box2d.b2_invalidParticleIndex&&(this.m_indexByExpirationTimeBuffer.data[e++]=b);for(i=this.m_groupList;i;i=i.GetNext()){b=o;var n=0,p=!1;for(e=i.m_firstIndex;e<i.m_lastIndex;e++){var s=t[e];0<=s?(b=box2d.b2Min(b,s),n=box2d.b2Max(n,s+1)):p=!0}b<n?(i.m_firstIndex=b,i.m_lastIndex=n,p&&i.m_groupFlags&box2d.b2ParticleGroupFlag.b2_solidParticleGroup&&this.SetGroupFlags(i,i.m_groupFlags|box2d.b2ParticleGroupFlag.b2_particleGroupNeedsUpdateDepth)):(i.m_firstIndex=0,i.m_lastIndex=0,i.m_groupFlags&box2d.b2ParticleGroupFlag.b2_particleGroupCanBeEmpty||this.SetGroupFlags(i,i.m_groupFlags|box2d.b2ParticleGroupFlag.b2_particleGroupWillBeDestroyed))}for(this.m_count=o,this.m_allParticleFlags=r,this.m_needsUpdateAllParticleFlags=!1,i=this.m_groupList;i;)o=i.GetNext(),i.m_groupFlags&box2d.b2ParticleGroupFlag.b2_particleGroupWillBeDestroyed&&this.DestroyParticleGroup(i),i=o},box2d.b2ParticleSystem.prototype.SolveLifetimes=function(o){box2d.b2Assert(null!==this.m_expirationTimeBuffer.data),box2d.b2Assert(null!==this.m_indexByExpirationTimeBuffer.data),this.m_timeElapsed=this.LifetimeToExpirationTime(o.dt),o=this.GetQuantizedTimeElapsed();var t=this.m_expirationTimeBuffer.data,e=this.m_indexByExpirationTimeBuffer.data,r=this.GetParticleCount();for(this.m_expirationTimeBufferRequiresSorting&&(box2d.std_sort(e,0,r,function(o,e){var r=t[o],i=t[e],b=0>=r;return b===0>=i?r>i:b}),this.m_expirationTimeBufferRequiresSorting=!1),--r;0<=r;--r){var i=e[r],b=t[i];if(o<b||0>=b)break;this.DestroyParticle(i)}},box2d.b2ParticleSystem.prototype.RotateBuffer=function(o,t,e){function d(r){return r<o?r:r<t?r+e-t:r<e?r+o-t:r}if(o!==t&&t!==e){if(box2d.b2Assert(t>=o&&t<=e),box2d.std_rotate(this.m_flagsBuffer.data,o,t,e),this.m_lastBodyContactStepBuffer.data&&box2d.std_rotate(this.m_lastBodyContactStepBuffer.data,o,t,e),this.m_bodyContactCountBuffer.data&&box2d.std_rotate(this.m_bodyContactCountBuffer.data,o,t,e),this.m_consecutiveContactStepsBuffer.data&&box2d.std_rotate(this.m_consecutiveContactStepsBuffer.data,o,t,e),box2d.std_rotate(this.m_positionBuffer.data,o,t,e),box2d.std_rotate(this.m_velocityBuffer.data,o,t,e),box2d.std_rotate(this.m_groupBuffer,o,t,e),this.m_hasForce&&box2d.std_rotate(this.m_forceBuffer,o,t,e),this.m_staticPressureBuffer&&box2d.std_rotate(this.m_staticPressureBuffer,o,t,e),this.m_depthBuffer&&box2d.std_rotate(this.m_depthBuffer,o,t,e),this.m_colorBuffer.data&&box2d.std_rotate(this.m_colorBuffer.data,o,t,e),this.m_userDataBuffer.data&&box2d.std_rotate(this.m_userDataBuffer.data,o,t,e),this.m_handleIndexBuffer.data){box2d.std_rotate(this.m_handleIndexBuffer.data,o,t,e);for(var r=o;r<e;++r){(i=this.m_handleIndexBuffer.data[r])&&i.SetIndex(d(i.GetIndex()))}}if(this.m_expirationTimeBuffer.data){box2d.std_rotate(this.m_expirationTimeBuffer.data,o,t,e);var i=this.GetParticleCount(),b=this.m_indexByExpirationTimeBuffer.data;for(r=0;r<i;++r)b[r]=d(b[r])}for(r=0;r<this.m_proxyBuffer.count;r++)(i=this.m_proxyBuffer.data[r]).index=d(i.index);for(r=0;r<this.m_contactBuffer.count;r++)(i=this.m_contactBuffer.data[r]).indexA=d(i.indexA),i.indexB=d(i.indexB);for(r=0;r<this.m_bodyContactBuffer.count;r++)(i=this.m_bodyContactBuffer.data[r]).index=d(i.index);for(r=0;r<this.m_pairBuffer.count;r++)(i=this.m_pairBuffer.data[r]).indexA=d(i.indexA),i.indexB=d(i.indexB);for(r=0;r<this.m_triadBuffer.count;r++)(i=this.m_triadBuffer.data[r]).indexA=d(i.indexA),i.indexB=d(i.indexB),i.indexC=d(i.indexC);for(r=this.m_groupList;r;r=r.GetNext())r.m_firstIndex=d(r.m_firstIndex),r.m_lastIndex=d(r.m_lastIndex-1)+1}},box2d.b2ParticleSystem.prototype.GetCriticalVelocity=function(o){return this.m_particleDiameter*o.inv_dt},box2d.b2ParticleSystem.prototype.GetCriticalVelocitySquared=function(o){return(o=this.GetCriticalVelocity(o))*o},box2d.b2ParticleSystem.prototype.GetCriticalPressure=function(o){return this.m_def.density*this.GetCriticalVelocitySquared(o)},box2d.b2ParticleSystem.prototype.GetParticleStride=function(){return box2d.b2_particleStride*this.m_particleDiameter},box2d.b2ParticleSystem.prototype.GetParticleMass=function(){var o=this.GetParticleStride();return this.m_def.density*o*o},box2d.b2ParticleSystem.prototype.GetParticleInvMass=function(){var o=1/box2d.b2_particleStride*this.m_inverseDiameter;return this.m_inverseDensity*o*o},box2d.b2ParticleSystem.prototype.GetFixtureContactFilter=function(){return this.m_allParticleFlags&box2d.b2ParticleFlag.b2_fixtureContactFilterParticle?this.m_world.m_contactManager.m_contactFilter:null},box2d.b2ParticleSystem.prototype.GetParticleContactFilter=function(){return this.m_allParticleFlags&box2d.b2ParticleFlag.b2_particleContactFilterParticle?this.m_world.m_contactManager.m_contactFilter:null},box2d.b2ParticleSystem.prototype.GetFixtureContactListener=function(){return this.m_allParticleFlags&box2d.b2ParticleFlag.b2_fixtureContactListenerParticle?this.m_world.m_contactManager.m_contactListener:null},box2d.b2ParticleSystem.prototype.GetParticleContactListener=function(){return this.m_allParticleFlags&box2d.b2ParticleFlag.b2_particleContactListenerParticle?this.m_world.m_contactManager.m_contactListener:null},box2d.b2ParticleSystem.prototype.SetUserOverridableBuffer=function(o,t,e){box2d.b2Assert(null!==t&&0<e||null===t&&0===e),o.data=t,o.userSuppliedCapacity=e},box2d.b2ParticleSystem.prototype.SetGroupFlags=function(o,t){var e=o.m_groupFlags;(e^t)&box2d.b2ParticleGroupFlag.b2_solidParticleGroup&&(t|=box2d.b2ParticleGroupFlag.b2_particleGroupNeedsUpdateDepth),e&~t&&(this.m_needsUpdateAllGroupFlags=!0),~this.m_allGroupFlags&t&&(t&box2d.b2ParticleGroupFlag.b2_solidParticleGroup&&(this.m_depthBuffer=this.RequestBuffer(this.m_depthBuffer)),this.m_allGroupFlags|=t),o.m_groupFlags=t},box2d.b2ParticleSystem.prototype.RemoveSpuriousBodyContacts=function(){box2d.std_sort(this.m_bodyContactBuffer.data,0,this.m_bodyContactBuffer.count,box2d.b2ParticleSystem.BodyContactCompare);var o=box2d.b2ParticleSystem.prototype.RemoveSpuriousBodyContacts.s_n,t=box2d.b2ParticleSystem.prototype.RemoveSpuriousBodyContacts.s_pos,e=box2d.b2ParticleSystem.prototype.RemoveSpuriousBodyContacts.s_normal,r=this,i=-1,b=0;this.m_bodyContactBuffer.count=box2d.std_remove_if(this.m_bodyContactBuffer.data,function(n){if(n.index!==i&&(b=0,i=n.index),3<b++)return 0,!0;var p=o.Copy(n.normal);if(p.SelfMul(r.m_particleDiameter*(1-n.weight)),p=box2d.b2Add_V2_V2(r.m_positionBuffer.data[n.index],p,t),!n.fixture.TestPoint(p)){for(var s=n.fixture.GetShape().GetChildCount(),a=0;a<s;a++)if(n.fixture.ComputeDistance(p,e,a)<box2d.b2_linearSlop)return!1;return 0,!0}return!1},this.m_bodyContactBuffer.count)},box2d.b2ParticleSystem.prototype.RemoveSpuriousBodyContacts.s_n=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.RemoveSpuriousBodyContacts.s_pos=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.RemoveSpuriousBodyContacts.s_normal=new box2d.b2Vec2,box2d.b2ParticleSystem.BodyContactCompare=function(o,t){return o.index===t.index?o.weight>t.weight:o.index<t.index},box2d.b2ParticleSystem.prototype.DetectStuckParticle=function(o){0>=this.m_stuckThreshold||(++this.m_bodyContactCountBuffer.data[o],2===this.m_bodyContactCountBuffer.data[o]&&(++this.m_consecutiveContactStepsBuffer.data[o],this.m_consecutiveContactStepsBuffer.data[o]>this.m_stuckThreshold&&(this.m_stuckParticleBuffer.data[this.m_stuckParticleBuffer.Append()]=o)),this.m_lastBodyContactStepBuffer.data[o]=this.m_timestamp)},box2d.b2ParticleSystem.prototype.ValidateParticleIndex=function(o){return 0<=o&&o<this.GetParticleCount()&&o!==box2d.b2_invalidParticleIndex},box2d.b2ParticleSystem.prototype.GetQuantizedTimeElapsed=function(){return Math.floor(this.m_timeElapsed/4294967296)},box2d.b2ParticleSystem.prototype.LifetimeToExpirationTime=function(o){return this.m_timeElapsed+Math.floor(o/this.m_def.lifetimeGranularity*4294967296)},box2d.b2ParticleSystem.prototype.ForceCanBeApplied=function(o){return!(o&box2d.b2ParticleFlag.b2_wallParticle)},box2d.b2ParticleSystem.prototype.PrepareForceBuffer=function(){if(!this.m_hasForce){for(var o=0;o<this.m_count;o++)this.m_forceBuffer[o].SetZero();this.m_hasForce=!0}},box2d.b2ParticleSystem.prototype.IsRigidGroup=function(o){return null!==o&&0!=(o.m_groupFlags&box2d.b2ParticleGroupFlag.b2_rigidParticleGroup)},box2d.b2ParticleSystem.prototype.GetLinearVelocity=function(o,t,e,r){return this.IsRigidGroup(o)?o.GetLinearVelocityFromWorldPoint(e,r):r.Copy(this.m_velocityBuffer.data[t])},box2d.b2ParticleSystem.prototype.InitDampingParameter=function(o,t,e,r,i,b,n,p){o[0]=0<r?1/r:0,t[0]=0<i?1/i:0,e[0]=box2d.b2Cross_V2_V2(box2d.b2Sub_V2_V2(n,b,box2d.b2Vec2.s_t0),p)},box2d.b2ParticleSystem.prototype.InitDampingParameterWithRigidGroupOrParticle=function(o,t,e,r,i,b,n,p){r?this.InitDampingParameter(o,t,e,i.GetMass(),i.GetInertia(),i.GetCenter(),n,p):this.InitDampingParameter(o,t,e,this.m_flagsBuffer.data[b]&box2d.b2ParticleFlag.b2_wallParticle?0:this.GetParticleMass(),0,n,n,p)},box2d.b2ParticleSystem.prototype.ComputeDampingImpulse=function(o,t,e,r,i,b,n){return 0<(o=o+t*e*e+r+i*b*b)?n/o:0},box2d.b2ParticleSystem.prototype.ApplyDamping=function(o,t,e,r,i,b,n,p){r?(i.m_linearVelocity.SelfMulAdd(n*o,p),i.m_angularVelocity+=n*e*t):this.m_velocityBuffer.data[b].SelfMulAdd(n*o,p)},box2d.b2StackQueue=function(o){this.m_buffer=box2d.b2MakeArray(o),this.m_end=o},box2d.b2StackQueue.prototype.m_buffer=null,box2d.b2StackQueue.prototype.m_front=0,box2d.b2StackQueue.prototype.m_back=0,box2d.b2StackQueue.prototype.m_capacity=0,box2d.b2StackQueue.prototype.Push=function(o){if(this.m_back>=this.m_capacity){for(var t=this.m_front;t<this.m_back;t++)this.m_buffer[t-this.m_front]=this.m_buffer[t];this.m_back-=this.m_front,this.m_front=0,this.m_back>=this.m_capacity&&(0<this.m_capacity?(this.m_buffer.concat(box2d.b2MakeArray(this.m_capacity)),this.m_capacity*=2):(this.m_buffer.concat(box2d.b2MakeArray(1)),this.m_capacity=1))}this.m_buffer[this.m_back]=o,this.m_back++},box2d.b2StackQueue.prototype.Pop=function(){box2d.b2Assert(this.m_front<this.m_back),this.m_buffer[this.m_front]=null,this.m_front++},box2d.b2StackQueue.prototype.Empty=function(){return box2d.b2Assert(this.m_front<=this.m_back),this.m_front===this.m_back},box2d.b2StackQueue.prototype.Front=function(){return this.m_buffer[this.m_front]},box2d.b2VoronoiDiagram=function(o){this.m_generatorBuffer=box2d.b2MakeArray(o,function(o){return new box2d.b2VoronoiDiagram.Generator}),this.m_generatorCapacity=o},goog.exportSymbol("box2d.b2VoronoiDiagram",box2d.b2VoronoiDiagram),box2d.b2VoronoiDiagram.prototype.m_generatorBuffer=null,goog.exportProperty(box2d.b2VoronoiDiagram.prototype,"m_generatorBuffer",box2d.b2VoronoiDiagram.prototype.m_generatorBuffer),box2d.b2VoronoiDiagram.prototype.m_generatorCapacity=0,box2d.b2VoronoiDiagram.prototype.m_generatorCount=0,box2d.b2VoronoiDiagram.prototype.m_countX=0,box2d.b2VoronoiDiagram.prototype.m_countY=0,box2d.b2VoronoiDiagram.prototype.m_diagram=null,box2d.b2VoronoiDiagram.Generator=function(){this.center=new box2d.b2Vec2},box2d.b2VoronoiDiagram.Generator.prototype.center=null,box2d.b2VoronoiDiagram.Generator.prototype.tag=0,box2d.b2VoronoiDiagram.b2VoronoiDiagramTask=function(o,t,e,r){this.m_x=o,this.m_y=t,this.m_i=e,this.m_generator=r},box2d.b2VoronoiDiagram.b2VoronoiDiagramTask.prototype.m_x=0,box2d.b2VoronoiDiagram.b2VoronoiDiagramTask.prototype.m_y=0,box2d.b2VoronoiDiagram.b2VoronoiDiagramTask.prototype.m_i=0,box2d.b2VoronoiDiagram.b2VoronoiDiagramTask.prototype.m_generator=null,box2d.b2VoronoiDiagram.prototype.AddGenerator=function(o,t,e){box2d.b2Assert(this.m_generatorCount<this.m_generatorCapacity);var r=this.m_generatorBuffer[this.m_generatorCount++];r.center.Copy(o),r.tag=t,r.necessary=e},goog.exportProperty(box2d.b2VoronoiDiagram.prototype,"AddGenerator",box2d.b2VoronoiDiagram.prototype.AddGenerator),box2d.b2VoronoiDiagram.prototype.Generate=function(o,t){box2d.b2Assert(null===this.m_diagram);for(var e=1/o,r=new box2d.b2Vec2(+box2d.b2_maxFloat,+box2d.b2_maxFloat),i=new box2d.b2Vec2(-box2d.b2_maxFloat,-box2d.b2_maxFloat),b=0,n=0;n<this.m_generatorCount;n++){(s=this.m_generatorBuffer[n]).necessary&&(box2d.b2Min_V2_V2(r,s.center,r),box2d.b2Max_V2_V2(i,s.center,i),++b)}if(0===b)this.m_countY=this.m_countX=0;else{for(r.x-=t,r.y-=t,i.x+=t,i.y+=t,this.m_countX=1+Math.floor(e*(i.x-r.x)),this.m_countY=1+Math.floor(e*(i.y-r.y)),this.m_diagram=box2d.b2MakeArray(this.m_countX*this.m_countY),i=new box2d.b2StackQueue(4*this.m_countX*this.m_countY),n=0;n<this.m_generatorCount;n++){(s=this.m_generatorBuffer[n]).center.SelfSub(r).SelfMul(e);b=Math.floor(s.center.x);var p=Math.floor(s.center.y);0<=b&&0<=p&&b<this.m_countX&&p<this.m_countY&&i.Push(new box2d.b2VoronoiDiagram.b2VoronoiDiagramTask(b,p,b+p*this.m_countX,s))}for(;!i.Empty();)b=(n=i.Front()).m_x,p=n.m_y,e=n.m_i,s=n.m_generator,i.Pop(),this.m_diagram[e]||(this.m_diagram[e]=s,0<b&&i.Push(new box2d.b2VoronoiDiagram.b2VoronoiDiagramTask(b-1,p,e-1,s)),0<p&&i.Push(new box2d.b2VoronoiDiagram.b2VoronoiDiagramTask(b,p-1,e-this.m_countX,s)),b<this.m_countX-1&&i.Push(new box2d.b2VoronoiDiagram.b2VoronoiDiagramTask(b+1,p,e+1,s)),p<this.m_countY-1&&i.Push(new box2d.b2VoronoiDiagram.b2VoronoiDiagramTask(b,p+1,e+this.m_countX,s)));for(p=0;p<this.m_countY;p++)for(b=0;b<this.m_countX-1;b++)e=b+p*this.m_countX,(r=this.m_diagram[e])!==(n=this.m_diagram[e+1])&&(i.Push(new box2d.b2VoronoiDiagram.b2VoronoiDiagramTask(b,p,e,n)),i.Push(new box2d.b2VoronoiDiagram.b2VoronoiDiagramTask(b+1,p,e+1,r)));for(p=0;p<this.m_countY-1;p++)for(b=0;b<this.m_countX;b++)e=b+p*this.m_countX,(r=this.m_diagram[e])!==(n=this.m_diagram[e+this.m_countX])&&(i.Push(new box2d.b2VoronoiDiagram.b2VoronoiDiagramTask(b,p,e,n)),i.Push(new box2d.b2VoronoiDiagram.b2VoronoiDiagramTask(b,p+1,e+this.m_countX,r)));for(;!i.Empty();)if(b=(n=i.Front()).m_x,p=n.m_y,e=n.m_i,n=n.m_generator,i.Pop(),(r=this.m_diagram[e])!==n){var s=r.center.x-b,a=(r=r.center.y-p,n.center.x-b),d=n.center.y-p;s*s+r*r>a*a+d*d&&(this.m_diagram[e]=n,0<b&&i.Push(new box2d.b2VoronoiDiagram.b2VoronoiDiagramTask(b-1,p,e-1,n)),0<p&&i.Push(new box2d.b2VoronoiDiagram.b2VoronoiDiagramTask(b,p-1,e-this.m_countX,n)),b<this.m_countX-1&&i.Push(new box2d.b2VoronoiDiagram.b2VoronoiDiagramTask(b+1,p,e+1,n)),p<this.m_countY-1&&i.Push(new box2d.b2VoronoiDiagram.b2VoronoiDiagramTask(b,p+1,e+this.m_countX,n)))}}},goog.exportProperty(box2d.b2VoronoiDiagram.prototype,"Generate",box2d.b2VoronoiDiagram.prototype.Generate),box2d.b2VoronoiDiagram.prototype.GetNodes=function(o){for(var t=0;t<this.m_countY-1;t++)for(var e=0;e<this.m_countX-1;e++){var r=e+t*this.m_countX,i=this.m_diagram[r],b=this.m_diagram[r+1],n=this.m_diagram[r+this.m_countX];r=this.m_diagram[r+1+this.m_countX];b!==n&&(i!==b&&i!==n&&(i.necessary||b.necessary||n.necessary)&&o(i.tag,b.tag,n.tag),r!==b&&r!==n&&(i.necessary||b.necessary||n.necessary)&&o(b.tag,r.tag,n.tag))}},goog.exportProperty(box2d.b2VoronoiDiagram.prototype,"GetNodes",box2d.b2VoronoiDiagram.prototype.GetNodes),box2d.b2RopeDef=function(){this.vertices=[],this.masses=[],this.gravity=new box2d.b2Vec2},goog.exportSymbol("box2d.b2RopeDef",box2d.b2RopeDef),box2d.b2RopeDef.prototype.vertices=null,box2d.b2RopeDef.prototype.count=0,box2d.b2RopeDef.prototype.masses=null,box2d.b2RopeDef.prototype.gravity=null,box2d.b2RopeDef.prototype.damping=.1,box2d.b2RopeDef.prototype.k2=.9,box2d.b2RopeDef.prototype.k3=.1,box2d.b2Rope=function(){this.m_gravity=new box2d.b2Vec2},goog.exportSymbol("box2d.b2Rope",box2d.b2Rope),box2d.b2Rope.prototype.m_count=0,box2d.b2Rope.prototype.m_ps=null,box2d.b2Rope.prototype.m_p0s=null,box2d.b2Rope.prototype.m_vs=null,box2d.b2Rope.prototype.m_ims=null,box2d.b2Rope.prototype.m_Ls=null,box2d.b2Rope.prototype.m_as=null,box2d.b2Rope.prototype.m_gravity=null,box2d.b2Rope.prototype.m_damping=0,box2d.b2Rope.prototype.m_k2=1,box2d.b2Rope.prototype.m_k3=.1,box2d.b2Rope.prototype.GetVertexCount=function(){return this.m_count},goog.exportProperty(box2d.b2Rope.prototype,"GetVertexCount",box2d.b2Rope.prototype.GetVertexCount),box2d.b2Rope.prototype.GetVertices=function(){return this.m_ps},goog.exportProperty(box2d.b2Rope.prototype,"GetVertices",box2d.b2Rope.prototype.GetVertices),box2d.b2Rope.prototype.Initialize=function(o){box2d.ENABLE_ASSERTS&&box2d.b2Assert(3<=o.count),this.m_count=o.count,this.m_ps=box2d.b2Vec2.MakeArray(this.m_count),this.m_p0s=box2d.b2Vec2.MakeArray(this.m_count),this.m_vs=box2d.b2Vec2.MakeArray(this.m_count),this.m_ims=box2d.b2MakeNumberArray(this.m_count);for(var t=0;t<this.m_count;++t){this.m_ps[t].Copy(o.vertices[t]),this.m_p0s[t].Copy(o.vertices[t]),this.m_vs[t].SetZero();var e=o.masses[t];this.m_ims[t]=0<e?1/e:0}var r=this.m_count-1;e=this.m_count-2;for(this.m_Ls=box2d.b2MakeNumberArray(r),this.m_as=box2d.b2MakeNumberArray(e),t=0;t<r;++t){var i=this.m_ps[t],b=this.m_ps[t+1];this.m_Ls[t]=box2d.b2Distance(i,b)}for(t=0;t<e;++t)i=this.m_ps[t],b=this.m_ps[t+1],r=this.m_ps[t+2],i=box2d.b2Sub_V2_V2(b,i,box2d.b2Vec2.s_t0),r=box2d.b2Sub_V2_V2(r,b,box2d.b2Vec2.s_t1),b=box2d.b2Cross_V2_V2(i,r),i=box2d.b2Dot_V2_V2(i,r),this.m_as[t]=box2d.b2Atan2(b,i);this.m_gravity.Copy(o.gravity),this.m_damping=o.damping,this.m_k2=o.k2,this.m_k3=o.k3},goog.exportProperty(box2d.b2Rope.prototype,"Initialize",box2d.b2Rope.prototype.Initialize),box2d.b2Rope.prototype.Step=function(o,t){if(0!==o){for(var e=Math.exp(-o*this.m_damping),r=0;r<this.m_count;++r)this.m_p0s[r].Copy(this.m_ps[r]),0<this.m_ims[r]&&this.m_vs[r].SelfMulAdd(o,this.m_gravity),this.m_vs[r].SelfMul(e),this.m_ps[r].SelfMulAdd(o,this.m_vs[r]);for(r=0;r<t;++r)this.SolveC2(),this.SolveC3(),this.SolveC2();for(e=1/o,r=0;r<this.m_count;++r)box2d.b2Mul_S_V2(e,box2d.b2Sub_V2_V2(this.m_ps[r],this.m_p0s[r],box2d.b2Vec2.s_t0),this.m_vs[r])}},goog.exportProperty(box2d.b2Rope.prototype,"Step",box2d.b2Rope.prototype.Step),box2d.b2Rope.prototype.SolveC2=function(){for(var o=this.m_count-1,t=0;t<o;++t){var e=this.m_ps[t],r=this.m_ps[t+1],i=box2d.b2Sub_V2_V2(r,e,box2d.b2Rope.s_d),b=i.Normalize(),n=this.m_ims[t],p=this.m_ims[t+1];if(0!==n+p){var s=p/(n+p);e.SelfMulSub(n/(n+p)*this.m_k2*(this.m_Ls[t]-b),i),r.SelfMulAdd(this.m_k2*s*(this.m_Ls[t]-b),i)}}},goog.exportProperty(box2d.b2Rope.prototype,"SolveC2",box2d.b2Rope.prototype.SolveC2),box2d.b2Rope.s_d=new box2d.b2Vec2,box2d.b2Rope.prototype.SetAngle=function(o){for(var t=this.m_count-2,e=0;e<t;++e)this.m_as[e]=o},goog.exportProperty(box2d.b2Rope.prototype,"SetAngle",box2d.b2Rope.prototype.SetAngle),box2d.b2Rope.prototype.SolveC3=function(){for(var o=this.m_count-2,t=0;t<o;++t){var e=this.m_ps[t],r=this.m_ps[t+1],i=this.m_ps[t+2],b=this.m_ims[t],n=this.m_ims[t+1],p=this.m_ims[t+2],s=box2d.b2Sub_V2_V2(r,e,box2d.b2Rope.s_d1),a=box2d.b2Sub_V2_V2(i,r,box2d.b2Rope.s_d2);if(0!=(x=s.LengthSquared())*(y=a.LengthSquared())){var d=box2d.b2Cross_V2_V2(s,a),l=box2d.b2Dot_V2_V2(s,a),x=(d=box2d.b2Atan2(d,l),s=box2d.b2Mul_S_V2(-1/x,s.SelfSkew(),box2d.b2Rope.s_Jd1),box2d.b2Mul_S_V2(1/y,a.SelfSkew(),box2d.b2Rope.s_Jd2)),y=(a=box2d.b2Rope.s_J1.Copy(s).SelfNeg(),box2d.b2Sub_V2_V2(s,x,box2d.b2Rope.s_J2));s=x;if(0!==(x=b*box2d.b2Dot_V2_V2(a,a)+n*box2d.b2Dot_V2_V2(y,y)+p*box2d.b2Dot_V2_V2(s,s))){for(x=1/x,l=d-this.m_as[t];l>box2d.b2_pi;)l=(d-=2*box2d.b2_pi)-this.m_as[t];for(;l<-box2d.b2_pi;)l=(d+=2*box2d.b2_pi)-this.m_as[t];d=-this.m_k3*x*l,e.SelfMulAdd(b*d,a),r.SelfMulAdd(n*d,y),i.SelfMulAdd(p*d,s)}}}},goog.exportProperty(box2d.b2Rope.prototype,"SolveC3",box2d.b2Rope.prototype.SolveC3),box2d.b2Rope.s_d1=new box2d.b2Vec2,box2d.b2Rope.s_d2=new box2d.b2Vec2,box2d.b2Rope.s_Jd1=new box2d.b2Vec2,box2d.b2Rope.s_Jd2=new box2d.b2Vec2,box2d.b2Rope.s_J1=new box2d.b2Vec2,box2d.b2Rope.s_J2=new box2d.b2Vec2,box2d.b2Rope.prototype.Draw=function(o){for(var t=new box2d.b2Color(.4,.5,.7),e=0;e<this.m_count-1;++e)o.DrawSegment(this.m_ps[e],this.m_ps[e+1],t)},goog.exportProperty(box2d.b2Rope.prototype,"Draw",box2d.b2Rope.prototype.Draw),box2d.b2ControllerEdge=function(){},goog.exportSymbol("box2d.b2ControllerEdge",box2d.b2ControllerEdge),box2d.b2ControllerEdge.prototype.controller=null,goog.exportProperty(box2d.b2ControllerEdge.prototype,"controller",box2d.b2ControllerEdge.prototype.controller),box2d.b2ControllerEdge.prototype.body=null,goog.exportProperty(box2d.b2ControllerEdge.prototype,"body",box2d.b2ControllerEdge.prototype.body),box2d.b2ControllerEdge.prototype.prevBody=null,goog.exportProperty(box2d.b2ControllerEdge.prototype,"prevBody",box2d.b2ControllerEdge.prototype.prevBody),box2d.b2ControllerEdge.prototype.nextBody=null,goog.exportProperty(box2d.b2ControllerEdge.prototype,"nextBody",box2d.b2ControllerEdge.prototype.nextBody),box2d.b2ControllerEdge.prototype.prevController=null,goog.exportProperty(box2d.b2ControllerEdge.prototype,"prevController",box2d.b2ControllerEdge.prototype.prevController),box2d.b2ControllerEdge.prototype.nextController=null,goog.exportProperty(box2d.b2ControllerEdge.prototype,"nextController",box2d.b2ControllerEdge.prototype.nextController),box2d.b2Controller=function(){},goog.exportSymbol("box2d.b2Controller",box2d.b2Controller),box2d.b2Controller.prototype.m_world=null,goog.exportProperty(box2d.b2Controller.prototype,"m_world",box2d.b2Controller.prototype.m_world),box2d.b2Controller.prototype.m_bodyList=null,goog.exportProperty(box2d.b2Controller.prototype,"m_bodyList",box2d.b2Controller.prototype.m_bodyList),box2d.b2Controller.prototype.m_bodyCount=0,goog.exportProperty(box2d.b2Controller.prototype,"m_bodyCount",box2d.b2Controller.prototype.m_bodyCount),box2d.b2Controller.prototype.m_prev=null,goog.exportProperty(box2d.b2Controller.prototype,"m_prev",box2d.b2Controller.prototype.m_prev),box2d.b2Controller.prototype.m_next=null,goog.exportProperty(box2d.b2Controller.prototype,"m_next",box2d.b2Controller.prototype.m_next),box2d.b2Controller.prototype.Step=function(o){},goog.exportProperty(box2d.b2Controller.prototype,"Step",box2d.b2Controller.prototype.Step),box2d.b2Controller.prototype.Draw=function(o){},goog.exportProperty(box2d.b2Controller.prototype,"Draw",box2d.b2Controller.prototype.Draw),box2d.b2Controller.prototype.GetNext=function(){return this.m_next},goog.exportProperty(box2d.b2Controller.prototype,"GetNext",box2d.b2Controller.prototype.GetNext),box2d.b2Controller.prototype.GetPrev=function(){return this.m_prev},goog.exportProperty(box2d.b2Controller.prototype,"GetPrev",box2d.b2Controller.prototype.GetPrev),box2d.b2Controller.prototype.GetWorld=function(){return this.m_world},goog.exportProperty(box2d.b2Controller.prototype,"GetWorld",box2d.b2Controller.prototype.GetWorld),box2d.b2Controller.prototype.GetBodyList=function(){return this.m_bodyList},goog.exportProperty(box2d.b2Controller.prototype,"GetBodyList",box2d.b2Controller.prototype.GetBodyList),box2d.b2Controller.prototype.AddBody=function(o){var t=new box2d.b2ControllerEdge;t.body=o,t.controller=this,t.nextBody=this.m_bodyList,t.prevBody=null,this.m_bodyList&&(this.m_bodyList.prevBody=t),this.m_bodyList=t,++this.m_bodyCount,t.nextController=o.m_controllerList,t.prevController=null,o.m_controllerList&&(o.m_controllerList.prevController=t),o.m_controllerList=t,++o.m_controllerCount},goog.exportProperty(box2d.b2Controller.prototype,"AddBody",box2d.b2Controller.prototype.AddBody),box2d.b2Controller.prototype.RemoveBody=function(o){box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<this.m_bodyCount);for(var t=this.m_bodyList;t&&t.body!==o;)t=t.nextBody;box2d.ENABLE_ASSERTS&&box2d.b2Assert(null!==t),t.prevBody&&(t.prevBody.nextBody=t.nextBody),t.nextBody&&(t.nextBody.prevBody=t.prevBody),this.m_bodyList===t&&(this.m_bodyList=t.nextBody),--this.m_bodyCount,t.nextController&&(t.nextController.prevController=t.prevController),t.prevController&&(t.prevController.nextController=t.nextController),o.m_controllerList===t&&(o.m_controllerList=t.nextController),--o.m_controllerCount},goog.exportProperty(box2d.b2Controller.prototype,"RemoveBody",box2d.b2Controller.prototype.RemoveBody),box2d.b2Controller.prototype.Clear=function(){for(;this.m_bodyList;)this.RemoveBody(this.m_bodyList.body);this.m_bodyCount=0},goog.exportProperty(box2d.b2Controller.prototype,"Clear",box2d.b2Controller.prototype.Clear),box2d.b2BuoyancyController=function(){box2d.b2Controller.call(this),this.normal=new box2d.b2Vec2(0,1),this.velocity=new box2d.b2Vec2(0,0),this.gravity=new box2d.b2Vec2(0,0)},goog.inherits(box2d.b2BuoyancyController,box2d.b2Controller),goog.exportSymbol("box2d.b2BuoyancyController",box2d.b2BuoyancyController),box2d.b2BuoyancyController.prototype.normal=null,goog.exportProperty(box2d.b2BuoyancyController.prototype,"normal",box2d.b2BuoyancyController.prototype.normal),box2d.b2BuoyancyController.prototype.offset=0,goog.exportProperty(box2d.b2BuoyancyController.prototype,"offset",box2d.b2BuoyancyController.prototype.offset),box2d.b2BuoyancyController.prototype.density=0,goog.exportProperty(box2d.b2BuoyancyController.prototype,"density",box2d.b2BuoyancyController.prototype.density),box2d.b2BuoyancyController.prototype.velocity=null,goog.exportProperty(box2d.b2BuoyancyController.prototype,"velocity",box2d.b2BuoyancyController.prototype.velocity),box2d.b2BuoyancyController.prototype.linearDrag=0,goog.exportProperty(box2d.b2BuoyancyController.prototype,"linearDrag",box2d.b2BuoyancyController.prototype.linearDrag),box2d.b2BuoyancyController.prototype.angularDrag=0,goog.exportProperty(box2d.b2BuoyancyController.prototype,"angularDrag",box2d.b2BuoyancyController.prototype.angularDrag),box2d.b2BuoyancyController.prototype.useDensity=!1,goog.exportProperty(box2d.b2BuoyancyController.prototype,"useDensity",box2d.b2BuoyancyController.prototype.useDensity),box2d.b2BuoyancyController.prototype.useWorldGravity=!0,goog.exportProperty(box2d.b2BuoyancyController.prototype,"useWorldGravity",box2d.b2BuoyancyController.prototype.useWorldGravity),box2d.b2BuoyancyController.prototype.gravity=null,goog.exportProperty(box2d.b2BuoyancyController.prototype,"gravity",box2d.b2BuoyancyController.prototype.gravity),box2d.b2BuoyancyController.prototype.Step=function(o){if(this.m_bodyList)for(this.useWorldGravity&&this.gravity.Copy(this.GetWorld().GetGravity()),o=this.m_bodyList;o;o=o.nextBody){var t=o.body;if(t.IsAwake()){for(var e=new box2d.b2Vec2,r=new box2d.b2Vec2,i=0,b=0,n=t.GetFixtureList();n;n=n.m_next){var p=new box2d.b2Vec2,s=n.GetShape().ComputeSubmergedArea(this.normal,this.offset,t.GetTransform(),p);i=i+s;e.x+=s*p.x,e.y+=s*p.y;var a=0;b=b+s*(a=this.useDensity?n.GetDensity():1);r.x+=s*p.x*a,r.y+=s*p.y*a}e.x/=i,e.y/=i,r.x/=b,r.y/=b,i<box2d.b2_epsilon||((b=this.gravity.Clone().SelfNeg()).SelfMul(this.density*i),t.ApplyForce(b,r),(r=t.GetLinearVelocityFromWorldPoint(e,new box2d.b2Vec2)).SelfSub(this.velocity),r.SelfMul(-this.linearDrag*i),t.ApplyForce(r,e),t.ApplyTorque(-t.GetInertia()/t.GetMass()*i*t.GetAngularVelocity()*this.angularDrag))}}},goog.exportProperty(box2d.b2BuoyancyController.prototype,"Step",box2d.b2BuoyancyController.prototype.Step),box2d.b2BuoyancyController.prototype.Draw=function(o){var t=new box2d.b2Vec2,e=new box2d.b2Vec2;t.x=this.normal.x*this.offset+100*this.normal.y,t.y=this.normal.y*this.offset-100*this.normal.x,e.x=this.normal.x*this.offset-100*this.normal.y,e.y=this.normal.y*this.offset+100*this.normal.x;var r=new box2d.b2Color(0,0,.8);o.DrawSegment(t,e,r)},goog.exportProperty(box2d.b2BuoyancyController.prototype,"Draw",box2d.b2BuoyancyController.prototype.Draw),box2d.b2ConstantAccelController=function(){box2d.b2Controller.call(this),this.A=new box2d.b2Vec2(0,0)},goog.inherits(box2d.b2ConstantAccelController,box2d.b2Controller),goog.exportSymbol("box2d.b2ConstantAccelController",box2d.b2ConstantAccelController),box2d.b2ConstantAccelController.prototype.A=null,goog.exportProperty(box2d.b2ConstantAccelController.prototype,"A",box2d.b2ConstantAccelController.prototype.A),box2d.b2ConstantAccelController.prototype.Step=function(o){o=box2d.b2Mul_S_V2(o.dt,this.A,box2d.b2ConstantAccelController.prototype.Step.s_dtA);for(var t=this.m_bodyList;t;t=t.nextBody){var e=t.body;e.IsAwake()&&e.SetLinearVelocity(box2d.b2Add_V2_V2(e.GetLinearVelocity(),o,box2d.b2Vec2.s_t0))}},goog.exportProperty(box2d.b2ConstantAccelController.prototype,"Step",box2d.b2ConstantAccelController.prototype.Step),box2d.b2ConstantAccelController.prototype.Step.s_dtA=new box2d.b2Vec2,box2d.b2ConstantForceController=function(){box2d.b2Controller.call(this),this.F=new box2d.b2Vec2(0,0)},goog.inherits(box2d.b2ConstantForceController,box2d.b2Controller),goog.exportSymbol("box2d.b2ConstantForceController",box2d.b2ConstantForceController),box2d.b2ConstantAccelController.prototype.F=null,goog.exportProperty(box2d.b2ConstantAccelController.prototype,"F",box2d.b2ConstantAccelController.prototype.F),box2d.b2ConstantForceController.prototype.Step=function(o){for(o=this.m_bodyList;o;o=o.nextBody){var t=o.body;t.IsAwake()&&t.ApplyForce(this.F,t.GetWorldCenter())}},goog.exportProperty(box2d.b2ConstantForceController.prototype,"Step",box2d.b2ConstantForceController.prototype.Step),box2d.b2GravityController=function(){box2d.b2Controller.call(this)},goog.inherits(box2d.b2GravityController,box2d.b2Controller),goog.exportSymbol("box2d.b2GravityController",box2d.b2GravityController),box2d.b2GravityController.prototype.G=1,goog.exportProperty(box2d.b2GravityController.prototype,"G",box2d.b2GravityController.prototype.G),box2d.b2GravityController.prototype.invSqr=!0,goog.exportProperty(box2d.b2GravityController.prototype,"invSqr",box2d.b2GravityController.prototype.invSqr),box2d.b2GravityController.prototype.Step=function(o){if(this.invSqr)for(o=this.m_bodyList;o;o=o.nextBody)for(var t=o.body,e=t.GetWorldCenter(),r=t.GetMass(),i=this.m_bodyList;i!==o;i=i.nextBody){var b=i.body,n=b.GetWorldCenter(),p=b.GetMass(),s=n.x-e.x,a=n.y-e.y,d=s*s+a*a;d<box2d.b2_epsilon||((s=box2d.b2GravityController.prototype.Step.s_f.Set(s,a)).SelfMul(this.G/d/box2d.b2Sqrt(d)*r*p),t.IsAwake()&&t.ApplyForce(s,e),b.IsAwake()&&b.ApplyForce(s.SelfMul(-1),n))}else for(o=this.m_bodyList;o;o=o.nextBody)for(e=(t=o.body).GetWorldCenter(),r=t.GetMass(),i=this.m_bodyList;i!==o;i=i.nextBody)n=(b=i.body).GetWorldCenter(),p=b.GetMass(),(d=(s=n.x-e.x)*s+(a=n.y-e.y)*a)<box2d.b2_epsilon||((s=box2d.b2GravityController.prototype.Step.s_f.Set(s,a)).SelfMul(this.G/d*r*p),t.IsAwake()&&t.ApplyForce(s,e),b.IsAwake()&&b.ApplyForce(s.SelfMul(-1),n))},goog.exportProperty(box2d.b2GravityController.prototype,"Step",box2d.b2GravityController.prototype.Step),box2d.b2GravityController.prototype.Step.s_f=new box2d.b2Vec2,box2d.b2TensorDampingController=function(){box2d.b2Controller.call(this),this.T=new box2d.b2Mat22,this.maxTimestep=0},goog.inherits(box2d.b2TensorDampingController,box2d.b2Controller),goog.exportSymbol("box2d.b2TensorDampingController",box2d.b2TensorDampingController),box2d.b2TensorDampingController.prototype.T=new box2d.b2Mat22,goog.exportProperty(box2d.b2TensorDampingController.prototype,"T",box2d.b2TensorDampingController.prototype.T),box2d.b2TensorDampingController.prototype.maxTimestep=0,goog.exportProperty(box2d.b2TensorDampingController.prototype,"maxTimestep",box2d.b2TensorDampingController.prototype.maxTimestep),box2d.b2TensorDampingController.prototype.Step=function(o){if(!((o=o.dt)<=box2d.b2_epsilon)){o>this.maxTimestep&&0<this.maxTimestep&&(o=this.maxTimestep);for(var t=this.m_bodyList;t;t=t.nextBody){var e=t.body;if(e.IsAwake()){var r=e.GetWorldVector(box2d.b2Mul_M22_V2(this.T,e.GetLocalVector(e.GetLinearVelocity(),box2d.b2Vec2.s_t0),box2d.b2Vec2.s_t1),box2d.b2TensorDampingController.prototype.Step.s_damping);e.SetLinearVelocity(box2d.b2Add_V2_V2(e.GetLinearVelocity(),box2d.b2Mul_S_V2(o,r,box2d.b2Vec2.s_t0),box2d.b2Vec2.s_t1))}}}},box2d.b2TensorDampingController.prototype.Step.s_damping=new box2d.b2Vec2,box2d.b2TensorDampingController.prototype.SetAxisAligned=function(o,t){this.T.ex.x=-o,this.T.ex.y=0,this.T.ey.x=0,this.T.ey.y=-t,this.maxTimestep=0<o||0<t?1/box2d.b2Max(o,t):0},box2d.b2Vec2.SubVV=function(o,t,e){return e.x=o.x-t.x,e.y=o.y-t.y,e},window.box2d=box2d,function(o,t){"use strict";class e{}e.RigidBody=null,e.Physics=null;class r extends t.Component{constructor(){super(...arguments),this._isSensor=!1,this._density=10,this._friction=.2,this._restitution=0}getDef(){if(!this._def){var o=new window.box2d.b2FixtureDef;o.density=this.density,o.friction=this.friction,o.isSensor=this.isSensor,o.restitution=this.restitution,o.shape=this._shape,this._def=o}return this._def}_onEnable(){this.rigidBody?this.refresh():t.Laya.systemTimer.callLater(this,this._checkRigidBody)}_checkRigidBody(){if(!this.rigidBody){var o=this.owner.getComponent(e.RigidBody);o&&(this.rigidBody=o,this.refresh())}}_onDestroy(){this.rigidBody&&(this.fixture&&(this.fixture.GetBody()==this.rigidBody._getOriBody()&&this.rigidBody.body.DestroyFixture(this.fixture),this.fixture=null),this.rigidBody=null,this._shape=null,this._def=null)}get isSensor(){return this._isSensor}set isSensor(o){this._isSensor=o,this._def&&(this._def.isSensor=o,this.refresh())}get density(){return this._density}set density(o){this._density=o,this._def&&(this._def.density=o,this.refresh())}get friction(){return this._friction}set friction(o){this._friction=o,this._def&&(this._def.friction=o,this.refresh())}get restitution(){return this._restitution}set restitution(o){this._restitution=o,this._def&&(this._def.restitution=o,this.refresh())}refresh(){if(this.enabled&&this.rigidBody){var o=this.rigidBody.body;this.fixture&&(this.fixture.GetBody()==this.rigidBody.body&&this.rigidBody.body.DestroyFixture(this.fixture),this.fixture.Destroy(),this.fixture=null);var t=this.getDef();t.filter.groupIndex=this.rigidBody.group,t.filter.categoryBits=this.rigidBody.category,t.filter.maskBits=this.rigidBody.mask,this.fixture=o.CreateFixture(t),this.fixture.collider=this}}resetShape(o=!0){}get isSingleton(){return!1}}t.ClassUtils.regClass("laya.physics.ColliderBase",r),t.ClassUtils.regClass("Laya.ColliderBase",r);class i extends t.Component{constructor(){super(...arguments),this._type="dynamic",this._allowSleep=!0,this._angularVelocity=0,this._angularDamping=0,this._linearVelocity={x:0,y:0},this._linearDamping=0,this._bullet=!1,this._allowRotation=!0,this._gravityScale=1,this.group=0,this.category=1,this.mask=-1,this.label="RigidBody"}_createBody(){if(!this._body&&this.owner){var o=this.owner,r=window.box2d,i=new r.b2BodyDef,b=o.localToGlobal(t.Point.TEMP.setTo(0,0),!1,e.Physics.I.worldRoot);i.position.Set(b.x/e.Physics.PIXEL_RATIO,b.y/e.Physics.PIXEL_RATIO),i.angle=t.Utils.toRadian(o.rotation),i.allowSleep=this._allowSleep,i.angularDamping=this._angularDamping,i.angularVelocity=this._angularVelocity,i.bullet=this._bullet,i.fixedRotation=!this._allowRotation,i.gravityScale=this._gravityScale,i.linearDamping=this._linearDamping;var n=this._linearVelocity;(n&&0!=n.x||0!=n.y)&&(i.linearVelocity=new r.b2Vec2(n.x,n.y)),i.type=r.b2BodyType["b2_"+this._type+"Body"],this._body=e.Physics.I._createBody(i),this.resetCollider(!1)}}_onAwake(){this._createBody()}_onEnable(){var o=this;this._createBody(),t.Laya.physicsTimer.frameLoop(1,this,this._sysPhysicToNode);var e=this.owner;if(this.accessGetSetFunc(e,"x","set")&&!e._changeByRigidBody){e._changeByRigidBody=!0,this._overSet(e,"x",function(t){o.accessGetSetFunc(e,"x","set")(t),o._sysPosToPhysic()}),this._overSet(e,"y",function(t){o.accessGetSetFunc(e,"y","set")(t),o._sysPosToPhysic()}),this._overSet(e,"rotation",function(t){o.accessGetSetFunc(e,"rotation","set")(t),o._sysNodeToPhysic()}),this._overSet(e,"scaleX",function(t){o.accessGetSetFunc(e,"scaleX","set")(t),o.resetCollider(!0)}),this._overSet(e,"scaleY",function(t){o.accessGetSetFunc(e,"scaleY","set")(t),o.resetCollider(!0)})}}accessGetSetFunc(o,t,e){if(-1===["get","set"].indexOf(e))return;let r=`_$${e}_${t}`;if(o[r])return o[r];let i,b=o.constructor;for(;b;){if((i=Object.getOwnPropertyDescriptor(b.prototype,t))&&i[e]){o[r]=i[e].bind(o);break}b=Object.getPrototypeOf(b)}return o[r]}resetCollider(o){var t=this.owner.getComponents(r);if(t)for(var e=0,i=t.length;e<i;e++){var b=t[e];b.rigidBody=this,o?b.resetShape():b.refresh()}}_sysPhysicToNode(){if("static"!=this.type&&this._body.IsAwake()){var o=this._body.GetPosition(),r=this._body.GetAngle(),i=this.owner;if(this.accessGetSetFunc(i,"rotation","set")(t.Utils.toAngle(r)-i.parent.globalRotation),0==r){var b=i.parent.globalToLocal(t.Point.TEMP.setTo(o.x*e.Physics.PIXEL_RATIO+i.pivotX,o.y*e.Physics.PIXEL_RATIO+i.pivotY),!1,e.Physics.I.worldRoot);i.parent.fromParentPoint(b),this.accessGetSetFunc(i,"x","set")(b.x),this.accessGetSetFunc(i,"y","set")(b.y)}else(b=i.globalToLocal(t.Point.TEMP.setTo(o.x*e.Physics.PIXEL_RATIO,o.y*e.Physics.PIXEL_RATIO),!1,e.Physics.I.worldRoot)).x+=i.pivotX,b.y+=i.pivotY,b=i.toParentPoint(b),this.accessGetSetFunc(i,"x","set")(b.x),this.accessGetSetFunc(i,"y","set")(b.y)}}_sysNodeToPhysic(){var o=this.owner;this._body.SetAngle(t.Utils.toRadian(o.rotation));var r=o.localToGlobal(t.Point.TEMP.setTo(0,0),!1,e.Physics.I.worldRoot);this._body.SetPositionXY(r.x/e.Physics.PIXEL_RATIO,r.y/e.Physics.PIXEL_RATIO)}_sysPosToPhysic(){var o=this.owner.localToGlobal(t.Point.TEMP.setTo(0,0),!1,e.Physics.I.worldRoot);this._body.SetPositionXY(o.x/e.Physics.PIXEL_RATIO,o.y/e.Physics.PIXEL_RATIO)}_overSet(o,t,e){Object.defineProperty(o,t,{get:this.accessGetSetFunc(o,t,"get"),set:e,enumerable:!1,configurable:!0})}_onDisable(){t.Laya.physicsTimer.clear(this,this._sysPhysicToNode),this._body&&e.Physics.I._removeBody(this._body),this._body=null;var o=this.owner;o._changeByRigidBody&&(this._overSet(o,"x",this.accessGetSetFunc(o,"x","set")),this._overSet(o,"y",this.accessGetSetFunc(o,"y","set")),this._overSet(o,"rotation",this.accessGetSetFunc(o,"rotation","set")),this._overSet(o,"scaleX",this.accessGetSetFunc(o,"scaleX","set")),this._overSet(o,"scaleY",this.accessGetSetFunc(o,"scaleY","set")),o._changeByRigidBody=!1)}getBody(){return this._body||this._onAwake(),this._body}_getOriBody(){return this._body}get body(){return this._body||this._onAwake(),this._body}applyForce(o,t){this._body||this._onAwake(),this._body.ApplyForce(t,o)}applyForceToCenter(o){this._body||this._onAwake(),this._body.ApplyForceToCenter(o)}applyLinearImpulse(o,t){this._body||this._onAwake(),this._body.ApplyLinearImpulse(t,o)}applyLinearImpulseToCenter(o){this._body||this._onAwake(),this._body.ApplyLinearImpulseToCenter(o)}applyTorque(o){this._body||this._onAwake(),this._body.ApplyTorque(o)}setVelocity(o){this._body||this._onAwake(),this._body.SetLinearVelocity(o)}setAngle(o){this._body||this._onAwake(),this._body.SetAngle(o),this._body.SetAwake(!0)}getMass(){return this._body?this._body.GetMass():0}getCenter(){this._body||this._onAwake();var o=this._body.GetLocalCenter();return o.x=o.x*e.Physics.PIXEL_RATIO,o.y=o.y*e.Physics.PIXEL_RATIO,o}getWorldCenter(){this._body||this._onAwake();var o=this._body.GetWorldCenter();return o.x=o.x*e.Physics.PIXEL_RATIO,o.y=o.y*e.Physics.PIXEL_RATIO,o}get type(){return this._type}set type(o){this._type=o,this._body&&this._body.SetType(window.box2d.b2BodyType["b2_"+this._type+"Body"])}get gravityScale(){return this._gravityScale}set gravityScale(o){this._gravityScale=o,this._body&&this._body.SetGravityScale(o)}get allowRotation(){return this._allowRotation}set allowRotation(o){this._allowRotation=o,this._body&&this._body.SetFixedRotation(!o)}get allowSleep(){return this._allowSleep}set allowSleep(o){this._allowSleep=o,this._body&&this._body.SetSleepingAllowed(o)}get angularDamping(){return this._angularDamping}set angularDamping(o){this._angularDamping=o,this._body&&this._body.SetAngularDamping(o)}get angularVelocity(){return this._body?this._body.GetAngularVelocity():this._angularVelocity}set angularVelocity(o){this._angularVelocity=o,this._body&&this._body.SetAngularVelocity(o)}get linearDamping(){return this._linearDamping}set linearDamping(o){this._linearDamping=o,this._body&&this._body.SetLinearDamping(o)}get linearVelocity(){if(this._body){var o=this._body.GetLinearVelocity();return{x:o.x,y:o.y}}return this._linearVelocity}set linearVelocity(o){o&&(o instanceof Array&&(o={x:o[0],y:o[1]}),this._linearVelocity=o,this._body&&this._body.SetLinearVelocity(new window.box2d.b2Vec2(o.x,o.y)))}get bullet(){return this._bullet}set bullet(o){this._bullet=o,this._body&&this._body.SetBullet(o)}}t.ClassUtils.regClass("laya.physics.RigidBody",i),t.ClassUtils.regClass("Laya.RigidBody",i);class b{SayGoodbyeJoint(o){o.m_userData&&(o.m_userData.isDestroy=!0)}SayGoodbyeFixture(o){}SayGoodbyeParticleGroup(o){}SayGoodbyeParticle(o){}}class n extends t.EventDispatcher{constructor(){super(),this.box2d=window.box2d,this.velocityIterations=8,this.positionIterations=3,this._eventList=[]}static get I(){return n._I||(n._I=new n)}static enable(o=null){n.I.start(o),e.RigidBody=i,e.Physics=this}start(o=null){if(!this._enabled){this._enabled=!0,o||(o={});var e=window.box2d;if(null==e)return void console.error("Can not find box2d libs, you should request box2d.js first.");var r=new e.b2Vec2(0,o.gravity||500/n.PIXEL_RATIO);this.world=new e.b2World(r),this.world.SetDestructionListener(new b),this.world.SetContactListener(new p),this.allowSleeping=null==o.allowSleeping||o.allowSleeping,o.customUpdate||t.Laya.physicsTimer.frameLoop(1,this,this._update),this._emptyBody=this._createBody(new window.box2d.b2BodyDef)}}_update(){this.world.Step(1/60,this.velocityIterations,this.positionIterations,3);var o=this._eventList.length;if(o>0){for(var t=0;t<o;t+=2)this._sendEvent(this._eventList[t],this._eventList[t+1]);this._eventList.length=0}}_sendEvent(o,e){var r=e.GetFixtureA().collider,i=e.GetFixtureB().collider,b=r.owner,p=i.owner;if(e.getHitInfo=function(){var o=new this.box2d.b2WorldManifold;this.GetWorldManifold(o);var t=o.points[0];return t.x*=n.PIXEL_RATIO,t.y*=n.PIXEL_RATIO,o},b){var s=[i,r,e];0===o?(b.event(t.Event.TRIGGER_ENTER,s),b._triggered?b.event(t.Event.TRIGGER_STAY,s):b._triggered=!0):(b._triggered=!1,b.event(t.Event.TRIGGER_EXIT,s))}p&&(s=[r,i,e],0===o?(p.event(t.Event.TRIGGER_ENTER,s),p._triggered?p.event(t.Event.TRIGGER_STAY,s):p._triggered=!0):(p._triggered=!1,p.event(t.Event.TRIGGER_EXIT,s)))}_createBody(o){return this.world?this.world.CreateBody(o):(console.error('The physical engine should be initialized first.use "Physics.enable()"'),null)}_removeBody(o){this.world?this.world.DestroyBody(o):console.error('The physical engine should be initialized first.use "Physics.enable()"')}_createJoint(o){if(this.world){let t=this.world.CreateJoint(o);return t.m_userData={},t.m_userData.isDestroy=!1,t}return console.error('The physical engine should be initialized first.use "Physics.enable()"'),null}_removeJoint(o){this.world?this.world.DestroyJoint(o):console.error('The physical engine should be initialized first.use "Physics.enable()"')}stop(){t.Laya.physicsTimer.clear(this,this._update)}get allowSleeping(){return this.world.GetAllowSleeping()}set allowSleeping(o){this.world.SetAllowSleeping(o)}get gravity(){return this.world.GetGravity()}set gravity(o){this.world.SetGravity(o)}getBodyCount(){return this.world.GetBodyCount()}getContactCount(){return this.world.GetContactCount()}getJointCount(){return this.world.GetJointCount()}get worldRoot(){return this._worldRoot||t.Laya.stage}set worldRoot(o){if(this._worldRoot=o,o){var e=o.localToGlobal(t.Point.TEMP.setTo(0,0));this.world.ShiftOrigin({x:-e.x/n.PIXEL_RATIO,y:-e.y/n.PIXEL_RATIO})}}updatePhysicsByWorldRoot(){if(this.worldRoot){var o=this.worldRoot.localToGlobal(t.Point.TEMP.setTo(0,0));this.world.ShiftOrigin({x:-o.x/n.PIXEL_RATIO,y:-o.y/n.PIXEL_RATIO})}}}n.PIXEL_RATIO=50,t.ClassUtils.regClass("laya.physics.Physics",n),t.ClassUtils.regClass("Laya.Physics",n);class p{BeginContact(o){n.I._eventList.push(0,o)}EndContact(o){n.I._eventList.push(1,o)}PreSolve(o,t){}PostSolve(o,t){}}class s extends r{constructor(){super(...arguments),this._x=0,this._y=0,this._width=100,this._height=100}getDef(){return this._shape||(this._shape=new window.box2d.b2PolygonShape,this._setShape(!1)),this.label=this.label||"BoxCollider",super.getDef()}_setShape(o=!0){var t=this.owner.scaleX||1,e=this.owner.scaleY||1;this._shape.SetAsBox(this._width/2/n.PIXEL_RATIO*t,this._height/2/n.PIXEL_RATIO*e,new window.box2d.b2Vec2((this._width/2+this._x)/n.PIXEL_RATIO*t,(this._height/2+this._y)/n.PIXEL_RATIO*e)),o&&this.refresh()}get x(){return this._x}set x(o){this._x=o,this._shape&&this._setShape()}get y(){return this._y}set y(o){this._y=o,this._shape&&this._setShape()}get width(){return this._width}set width(o){if(o<=0)throw"BoxCollider size cannot be less than 0";this._width=o,this._shape&&this._setShape()}get height(){return this._height}set height(o){if(o<=0)throw"BoxCollider size cannot be less than 0";this._height=o,this._shape&&this._setShape()}resetShape(o=!0){this._setShape()}}t.ClassUtils.regClass("laya.physics.BoxCollider",s),t.ClassUtils.regClass("Laya.BoxCollider",s);class a extends r{constructor(){super(...arguments),this._x=0,this._y=0,this._points="0,0,100,0",this._loop=!1}getDef(){return this._shape||(this._shape=new window.box2d.b2ChainShape,this._setShape(!1)),this.label=this.label||"ChainCollider",super.getDef()}_setShape(o=!0){var t=this._points.split(","),e=t.length;if(e%2==1)throw"ChainCollider points lenth must a multiplier of 2";for(var r=[],i=0,b=e;i<b;i+=2)r.push(new window.box2d.b2Vec2((this._x+parseInt(t[i]))/n.PIXEL_RATIO,(this._y+parseInt(t[i+1]))/n.PIXEL_RATIO));this._loop?this._shape.CreateLoop(r,e/2):this._shape.CreateChain(r,e/2),o&&this.refresh()}get x(){return this._x}set x(o){this._x=o,this._shape&&this._setShape()}get y(){return this._y}set y(o){this._y=o,this._shape&&this._setShape()}get points(){return this._points}set points(o){if(!o)throw"ChainCollider points cannot be empty";this._points=o,this._shape&&this._setShape()}get loop(){return this._loop}set loop(o){this._loop=o,this._shape&&this._setShape()}}t.ClassUtils.regClass("laya.physics.ChainCollider",a),t.ClassUtils.regClass("Laya.ChainCollider",a);class d extends r{constructor(){super(...arguments),this._x=0,this._y=0,this._radius=50}getDef(){return this._shape||(this._shape=new window.box2d.b2CircleShape,this._setShape(!1)),this.label=this.label||"CircleCollider",super.getDef()}_setShape(o=!0){var t=this.owner.scaleX||1;this._shape.m_radius=this._radius/n.PIXEL_RATIO*t,this._shape.m_p.Set((this._radius+this._x)/n.PIXEL_RATIO*t,(this._radius+this._y)/n.PIXEL_RATIO*t),o&&this.refresh()}get x(){return this._x}set x(o){this._x=o,this._shape&&this._setShape()}get y(){return this._y}set y(o){this._y=o,this._shape&&this._setShape()}get radius(){return this._radius}set radius(o){if(o<=0)throw"CircleCollider radius cannot be less than 0";this._radius=o,this._shape&&this._setShape()}resetShape(o=!0){this._setShape()}}t.ClassUtils.regClass("laya.physics.CircleCollider",d),t.ClassUtils.regClass("Laya.CircleCollider",d);class l extends t.Sprite{constructor(){super(),this.m_drawFlags=99,l._inited||(l._inited=!0,l.init()),this._camera={},this._camera.m_center=new l.box2d.b2Vec2(0,0),this._camera.m_extent=25,this._camera.m_zoom=1,this._camera.m_width=1280,this._camera.m_height=800,this._mG=new t.Graphics,this.graphics=this._mG,this._textSp=new t.Sprite,this._textG=this._textSp.graphics,this.addChild(this._textSp)}static init(){l.box2d=t.Browser.window.box2d,l.DrawString_s_color=new l.box2d.b2Color(.9,.6,.6),l.DrawStringWorld_s_p=new l.box2d.b2Vec2,l.DrawStringWorld_s_cc=new l.box2d.b2Vec2,l.DrawStringWorld_s_color=new l.box2d.b2Color(.5,.9,.5)}render(o,t,e){this._renderToGraphic(),super.render(o,t,e)}_renderToGraphic(){this.world&&(this._textG.clear(),this._mG.clear(),this._mG.save(),this._mG.scale(n.PIXEL_RATIO,n.PIXEL_RATIO),this.lineWidth=1/n.PIXEL_RATIO,this.world.DrawDebugData(),this._mG.restore())}SetFlags(o){this.m_drawFlags=o}GetFlags(){return this.m_drawFlags}AppendFlags(o){this.m_drawFlags|=o}ClearFlags(o){this.m_drawFlags&=~o}PushTransform(o){this._mG.save(),this._mG.translate(o.p.x,o.p.y),this._mG.rotate(o.q.GetAngle())}PopTransform(o){this._mG.restore()}DrawPolygon(o,t,e){var r,i;for(o.length,i=[],r=0;r<t;r++)i.push(o[r].x,o[r].y);this._mG.drawPoly(0,0,i,null,e.MakeStyleString(1),this.lineWidth)}DrawSolidPolygon(o,t,e){var r,i;for(o.length,i=[],r=0;r<t;r++)i.push(o[r].x,o[r].y);this._mG.drawPoly(0,0,i,e.MakeStyleString(.5),e.MakeStyleString(1),this.lineWidth)}DrawCircle(o,t,e){this._mG.drawCircle(o.x,o.y,t,null,e.MakeStyleString(1),this.lineWidth)}DrawSolidCircle(o,t,e,r){var i=o.x,b=o.y;this._mG.drawCircle(i,b,t,r.MakeStyleString(.5),r.MakeStyleString(1),this.lineWidth),this._mG.drawLine(i,b,i+e.x*t,b+e.y*t,r.MakeStyleString(1),this.lineWidth)}DrawParticles(o,t,e,r){if(null!==e)for(var i=0;i<r;++i){var b=o[i],n=e[i];this._mG.drawCircle(b.x,b.y,t,n.MakeStyleString(),null,this.lineWidth)}else for(i=0;i<r;++i)b=o[i],this._mG.drawCircle(b.x,b.y,t,"#ffff00",null,this.lineWidth)}DrawSegment(o,t,e){this._mG.drawLine(o.x,o.y,t.x,t.y,e.MakeStyleString(1),this.lineWidth)}DrawTransform(o){this.PushTransform(o),this._mG.drawLine(0,0,1,0,l.box2d.b2Color.RED.MakeStyleString(1),this.lineWidth),this._mG.drawLine(0,0,0,1,l.box2d.b2Color.GREEN.MakeStyleString(1),this.lineWidth),this.PopTransform(o)}DrawPoint(o,t,e){t*=this._camera.m_zoom;var r=(t/=this._camera.m_extent)/2;this._mG.drawRect(o.x-r,o.y-r,t,t,e.MakeStyleString(),null)}DrawString(o,t,e){this._textG.fillText(e,o,t,"15px DroidSans",l.DrawString_s_color.MakeStyleString(),"left")}DrawStringWorld(o,t,e){this.DrawString(o,t,e)}DrawAABB(o,t){var e=o.lowerBound.x,r=o.lowerBound.y,i=o.upperBound.x-o.lowerBound.x,b=o.upperBound.y-o.lowerBound.y;this._mG.drawRect(e,r,i,b,null,t.MakeStyleString(),this.lineWidth)}static enable(o=99){if(!l.I){var e=new l;e.world=n.I.world,e.world.SetDebugDraw(e),e.zOrder=1e3,e.m_drawFlags=o,t.Laya.stage.addChild(e),l.I=e}return e}}l._inited=!1,t.ClassUtils.regClass("laya.physics.PhysicsDebugDraw",l),t.ClassUtils.regClass("Laya.PhysicsDebugDraw",l);class x extends r{constructor(){super(...arguments),this._x=0,this._y=0,this._points="50,0,100,100,0,100"}getDef(){return this._shape||(this._shape=new window.box2d.b2PolygonShape,this._setShape(!1)),this.label=this.label||"PolygonCollider",super.getDef()}_setShape(o=!0){var t=this._points.split(","),e=t.length;if(e<6)throw"PolygonCollider points must be greater than 3";if(e%2==1)throw"PolygonCollider points lenth must a multiplier of 2";for(var r=[],i=0,b=e;i<b;i+=2)r.push(new window.box2d.b2Vec2((this._x+parseInt(t[i]))/n.PIXEL_RATIO,(this._y+parseInt(t[i+1]))/n.PIXEL_RATIO));this._shape.Set(r,e/2),o&&this.refresh()}get x(){return this._x}set x(o){this._x=o,this._shape&&this._setShape()}get y(){return this._y}set y(o){this._y=o,this._shape&&this._setShape()}get points(){return this._points}set points(o){if(!o)throw"PolygonCollider points cannot be empty";this._points=o,this._shape&&this._setShape()}}t.ClassUtils.regClass("laya.physics.PolygonCollider",x),t.ClassUtils.regClass("Laya.PolygonCollider",x);class y extends t.Component{get joint(){return this._joint||this._createJoint(),this._joint}_onEnable(){this._createJoint()}_onAwake(){this._createJoint()}_createJoint(){}_onDisable(){this._joint&&this._joint.m_userData&&!this._joint.m_userData.isDestroy&&n.I._removeJoint(this._joint),this._joint=null}}t.ClassUtils.regClass("laya.physics.joint.JointBase",y),t.ClassUtils.regClass("Laya.JointBase",y);class c extends y{constructor(){super(...arguments),this.selfAnchor=[0,0],this.otherAnchor=[0,0],this.collideConnected=!1,this._length=0,this._frequency=0,this._damping=0}_createJoint(){if(!this._joint){if(this.selfBody=this.selfBody||this.owner.getComponent(i),!this.selfBody)throw"selfBody can not be empty";var o=window.box2d,t=c._temp||(c._temp=new o.b2DistanceJointDef);t.bodyA=this.otherBody?this.otherBody.getBody():n.I._emptyBody,t.bodyB=this.selfBody.getBody(),t.localAnchorA.Set(this.otherAnchor[0]/n.PIXEL_RATIO,this.otherAnchor[1]/n.PIXEL_RATIO),t.localAnchorB.Set(this.selfAnchor[0]/n.PIXEL_RATIO,this.selfAnchor[1]/n.PIXEL_RATIO),t.frequencyHz=this._frequency,t.dampingRatio=this._damping,t.collideConnected=this.collideConnected;var e=t.bodyA.GetWorldPoint(t.localAnchorA,new o.b2Vec2),r=t.bodyB.GetWorldPoint(t.localAnchorB,new o.b2Vec2);t.length=this._length/n.PIXEL_RATIO||o.b2Vec2.SubVV(r,e,new o.b2Vec2).Length(),this._joint=n.I._createJoint(t)}}get length(){return this._length}set length(o){this._length=o,this._joint&&this._joint.SetLength(o/n.PIXEL_RATIO)}get frequency(){return this._frequency}set frequency(o){this._frequency=o,this._joint&&this._joint.SetFrequency(o)}get damping(){return this._damping}set damping(o){this._damping=o,this._joint&&this._joint.SetDampingRatio(o)}}t.ClassUtils.regClass("laya.physics.joint.DistanceJoint",c),t.ClassUtils.regClass("Laya.DistanceJoint",c);class _ extends y{constructor(){super(...arguments),this.collideConnected=!1,this._ratio=1}_createJoint(){if(!this._joint){if(!this.joint1)throw"Joint1 can not be empty";if(!this.joint2)throw"Joint2 can not be empty";var o=window.box2d,t=_._temp||(_._temp=new o.b2GearJointDef);t.bodyA=this.joint1.owner.getComponent(i).getBody(),t.bodyB=this.joint2.owner.getComponent(i).getBody(),t.joint1=this.joint1.joint,t.joint2=this.joint2.joint,t.ratio=this._ratio,t.collideConnected=this.collideConnected,this._joint=n.I._createJoint(t)}}get ratio(){return this._ratio}set ratio(o){this._ratio=o,this._joint&&this._joint.SetRatio(o)}}t.ClassUtils.regClass("laya.physics.joint.GearJoint",_),t.ClassUtils.regClass("Laya.GearJoint",_);class m extends y{constructor(){super(...arguments),this.collideConnected=!1,this._linearOffset=[0,0],this._angularOffset=0,this._maxForce=1e3,this._maxTorque=1e3,this._correctionFactor=.3}_createJoint(){if(!this._joint){if(!this.otherBody)throw"otherBody can not be empty";if(this.selfBody=this.selfBody||this.owner.getComponent(i),!this.selfBody)throw"selfBody can not be empty";var o=window.box2d,t=m._temp||(m._temp=new o.b2MotorJointDef);t.Initialize(this.otherBody.getBody(),this.selfBody.getBody()),t.linearOffset=new o.b2Vec2(this._linearOffset[0]/n.PIXEL_RATIO,this._linearOffset[1]/n.PIXEL_RATIO),t.angularOffset=this._angularOffset,t.maxForce=this._maxForce,t.maxTorque=this._maxTorque,t.correctionFactor=this._correctionFactor,t.collideConnected=this.collideConnected,this._joint=n.I._createJoint(t)}}get linearOffset(){return this._linearOffset}set linearOffset(o){this._linearOffset=o,this._joint&&this._joint.SetLinearOffset(new window.box2d.b2Vec2(o[0]/n.PIXEL_RATIO,o[1]/n.PIXEL_RATIO))}get angularOffset(){return this._angularOffset}set angularOffset(o){this._angularOffset=o,this._joint&&this._joint.SetAngularOffset(o)}get maxForce(){return this._maxForce}set maxForce(o){this._maxForce=o,this._joint&&this._joint.SetMaxForce(o)}get maxTorque(){return this._maxTorque}set maxTorque(o){this._maxTorque=o,this._joint&&this._joint.SetMaxTorque(o)}get correctionFactor(){return this._correctionFactor}set correctionFactor(o){this._correctionFactor=o,this._joint&&this._joint.SetCorrectionFactor(o)}}t.ClassUtils.regClass("laya.physics.joint.MotorJoint",m),t.ClassUtils.regClass("Laya.MotorJoint",m);class u extends y{constructor(){super(...arguments),this._maxForce=1e4,this._frequency=5,this._damping=.7}_onEnable(){this.owner.on(t.Event.MOUSE_DOWN,this,this.onMouseDown)}_onAwake(){}onMouseDown(){this._createJoint(),t.Laya.stage.on(t.Event.MOUSE_MOVE,this,this.onMouseMove),t.Laya.stage.once(t.Event.MOUSE_UP,this,this.onStageMouseUp)}_createJoint(){if(!this._joint){if(this.selfBody=this.selfBody||this.owner.getComponent(i),!this.selfBody)throw"selfBody can not be empty";var o=window.box2d,e=u._temp||(u._temp=new o.b2MouseJointDef);if(this.anchor)var r=this.selfBody.owner.localToGlobal(t.Point.TEMP.setTo(this.anchor[0],this.anchor[1]),!1,n.I.worldRoot);else r=n.I.worldRoot.globalToLocal(t.Point.TEMP.setTo(t.Laya.stage.mouseX,t.Laya.stage.mouseY));var b=new o.b2Vec2(r.x/n.PIXEL_RATIO,r.y/n.PIXEL_RATIO);e.bodyA=n.I._emptyBody,e.bodyB=this.selfBody.getBody(),e.target=b,e.frequencyHz=this._frequency,e.damping=this._damping,e.maxForce=this._maxForce,this._joint=n.I._createJoint(e)}}onStageMouseUp(){t.Laya.stage.off(t.Event.MOUSE_MOVE,this,this.onMouseMove),super._onDisable()}onMouseMove(){this._joint.SetTarget(new window.box2d.b2Vec2(n.I.worldRoot.mouseX/n.PIXEL_RATIO,n.I.worldRoot.mouseY/n.PIXEL_RATIO))}_onDisable(){this.owner.off(t.Event.MOUSE_DOWN,this,this.onMouseDown),super._onDisable()}get maxForce(){return this._maxForce}set maxForce(o){this._maxForce=o,this._joint&&this._joint.SetMaxForce(o)}get frequency(){return this._frequency}set frequency(o){this._frequency=o,this._joint&&this._joint.SetFrequency(o)}get damping(){return this._damping}set damping(o){this._damping=o,this._joint&&this._joint.SetDampingRatio(o)}}t.ClassUtils.regClass("laya.physics.joint.MouseJoint",u),t.ClassUtils.regClass("Laya.MouseJoint",u);class h extends y{constructor(){super(...arguments),this.anchor=[0,0],this.axis=[1,0],this.collideConnected=!1,this._enableMotor=!1,this._motorSpeed=0,this._maxMotorForce=1e4,this._enableLimit=!1,this._lowerTranslation=0,this._upperTranslation=0}_createJoint(){if(!this._joint){if(this.selfBody=this.selfBody||this.owner.getComponent(i),!this.selfBody)throw"selfBody can not be empty";var o=window.box2d,e=h._temp||(h._temp=new o.b2PrismaticJointDef),r=this.selfBody.owner.localToGlobal(t.Point.TEMP.setTo(this.anchor[0],this.anchor[1]),!1,n.I.worldRoot),b=new o.b2Vec2(r.x/n.PIXEL_RATIO,r.y/n.PIXEL_RATIO);e.Initialize(this.otherBody?this.otherBody.getBody():n.I._emptyBody,this.selfBody.getBody(),b,new o.b2Vec2(this.axis[0],this.axis[1])),e.enableMotor=this._enableMotor,e.motorSpeed=this._motorSpeed,e.maxMotorForce=this._maxMotorForce,e.enableLimit=this._enableLimit,e.lowerTranslation=this._lowerTranslation/n.PIXEL_RATIO,e.upperTranslation=this._upperTranslation/n.PIXEL_RATIO,e.collideConnected=this.collideConnected,this._joint=n.I._createJoint(e)}}get enableMotor(){return this._enableMotor}set enableMotor(o){this._enableMotor=o,this._joint&&this._joint.EnableMotor(o)}get motorSpeed(){return this._motorSpeed}set motorSpeed(o){this._motorSpeed=o,this._joint&&this._joint.SetMotorSpeed(o)}get maxMotorForce(){return this._maxMotorForce}set maxMotorForce(o){this._maxMotorForce=o,this._joint&&this._joint.SetMaxMotorForce(o)}get enableLimit(){return this._enableLimit}set enableLimit(o){this._enableLimit=o,this._joint&&this._joint.EnableLimit(o)}get lowerTranslation(){return this._lowerTranslation}set lowerTranslation(o){this._lowerTranslation=o,this._joint&&this._joint.SetLimits(o,this._upperTranslation)}get upperTranslation(){return this._upperTranslation}set upperTranslation(o){this._upperTranslation=o,this._joint&&this._joint.SetLimits(this._lowerTranslation,o)}}t.ClassUtils.regClass("laya.physics.joint.PrismaticJoint",h),t.ClassUtils.regClass("Laya.PrismaticJoint",h);class g extends y{constructor(){super(...arguments),this.selfAnchor=[0,0],this.otherAnchor=[0,0],this.selfGroundPoint=[0,0],this.otherGroundPoint=[0,0],this.ratio=1.5,this.collideConnected=!1}_createJoint(){if(!this._joint){if(!this.otherBody)throw"otherBody can not be empty";if(this.selfBody=this.selfBody||this.owner.getComponent(i),!this.selfBody)throw"selfBody can not be empty";var o=window.box2d,e=g._temp||(g._temp=new o.b2PulleyJointDef),r=this.otherBody.owner.localToGlobal(t.Point.TEMP.setTo(this.otherAnchor[0],this.otherAnchor[1]),!1,n.I.worldRoot),b=new o.b2Vec2(r.x/n.PIXEL_RATIO,r.y/n.PIXEL_RATIO),p=this.selfBody.owner.localToGlobal(t.Point.TEMP.setTo(this.selfAnchor[0],this.selfAnchor[1]),!1,n.I.worldRoot),s=new o.b2Vec2(p.x/n.PIXEL_RATIO,p.y/n.PIXEL_RATIO),a=this.otherBody.owner.localToGlobal(t.Point.TEMP.setTo(this.otherGroundPoint[0],this.otherGroundPoint[1]),!1,n.I.worldRoot),d=new o.b2Vec2(a.x/n.PIXEL_RATIO,a.y/n.PIXEL_RATIO),l=this.selfBody.owner.localToGlobal(t.Point.TEMP.setTo(this.selfGroundPoint[0],this.selfGroundPoint[1]),!1,n.I.worldRoot),x=new o.b2Vec2(l.x/n.PIXEL_RATIO,l.y/n.PIXEL_RATIO);e.Initialize(this.otherBody.getBody(),this.selfBody.getBody(),d,x,b,s,this.ratio),e.collideConnected=this.collideConnected,this._joint=n.I._createJoint(e)}}}t.ClassUtils.regClass("laya.physics.joint.PulleyJoint",g),t.ClassUtils.regClass("Laya.PulleyJoint",g);class f extends y{constructor(){super(...arguments),this.anchor=[0,0],this.collideConnected=!1,this._enableMotor=!1,this._motorSpeed=0,this._maxMotorTorque=1e4,this._enableLimit=!1,this._lowerAngle=0,this._upperAngle=0}_createJoint(){if(!this._joint){if(this.selfBody=this.selfBody||this.owner.getComponent(i),!this.selfBody)throw"selfBody can not be empty";var o=window.box2d,e=f._temp||(f._temp=new o.b2RevoluteJointDef),r=this.selfBody.owner.localToGlobal(t.Point.TEMP.setTo(this.anchor[0],this.anchor[1]),!1,n.I.worldRoot),b=new o.b2Vec2(r.x/n.PIXEL_RATIO,r.y/n.PIXEL_RATIO);e.Initialize(this.otherBody?this.otherBody.getBody():n.I._emptyBody,this.selfBody.getBody(),b),e.enableMotor=this._enableMotor,e.motorSpeed=this._motorSpeed,e.maxMotorTorque=this._maxMotorTorque,e.enableLimit=this._enableLimit,e.lowerAngle=this._lowerAngle,e.upperAngle=this._upperAngle,e.collideConnected=this.collideConnected,this._joint=n.I._createJoint(e)}}get enableMotor(){return this._enableMotor}set enableMotor(o){this._enableMotor=o,this._joint&&this._joint.EnableMotor(o)}get motorSpeed(){return this._motorSpeed}set motorSpeed(o){this._motorSpeed=o,this._joint&&this._joint.SetMotorSpeed(o)}get maxMotorTorque(){return this._maxMotorTorque}set maxMotorTorque(o){this._maxMotorTorque=o,this._joint&&this._joint.SetMaxMotorTorque(o)}get enableLimit(){return this._enableLimit}set enableLimit(o){this._enableLimit=o,this._joint&&this._joint.EnableLimit(o)}get lowerAngle(){return this._lowerAngle}set lowerAngle(o){this._lowerAngle=o,this._joint&&this._joint.SetLimits(o,this._upperAngle)}get upperAngle(){return this._upperAngle}set upperAngle(o){this._upperAngle=o,this._joint&&this._joint.SetLimits(this._lowerAngle,o)}}t.ClassUtils.regClass("laya.physics.joint.RevoluteJoint",f),t.ClassUtils.regClass("Laya.RevoluteJoint",f);class S extends y{constructor(){super(...arguments),this.selfAnchor=[0,0],this.otherAnchor=[0,0],this.collideConnected=!1,this._maxLength=1}_createJoint(){if(!this._joint){if(this.selfBody=this.selfBody||this.owner.getComponent(i),!this.selfBody)throw"selfBody can not be empty";var o=window.box2d,t=S._temp||(S._temp=new o.b2RopeJointDef);t.bodyA=this.otherBody?this.otherBody.getBody():n.I._emptyBody,t.bodyB=this.selfBody.getBody(),t.localAnchorA.Set(this.otherAnchor[0]/n.PIXEL_RATIO,this.otherAnchor[1]/n.PIXEL_RATIO),t.localAnchorB.Set(this.selfAnchor[0]/n.PIXEL_RATIO,this.selfAnchor[1]/n.PIXEL_RATIO),t.maxLength=this._maxLength/n.PIXEL_RATIO,t.collideConnected=this.collideConnected,this._joint=n.I._createJoint(t)}}get maxLength(){return this._maxLength}set maxLength(o){this._maxLength=o,this._joint&&this._joint.SetMaxLength(o/n.PIXEL_RATIO)}}t.ClassUtils.regClass("laya.physics.joint.RopeJoint",S),t.ClassUtils.regClass("Laya.RopeJoint",S);class P extends y{constructor(){super(...arguments),this.anchor=[0,0],this.collideConnected=!1,this._frequency=5,this._damping=.7}_createJoint(){if(!this._joint){if(!this.otherBody)throw"otherBody can not be empty";if(this.selfBody=this.selfBody||this.owner.getComponent(i),!this.selfBody)throw"selfBody can not be empty";var o=window.box2d,e=P._temp||(P._temp=new o.b2WeldJointDef),r=this.selfBody.owner.localToGlobal(t.Point.TEMP.setTo(this.anchor[0],this.anchor[1]),!1,n.I.worldRoot),b=new o.b2Vec2(r.x/n.PIXEL_RATIO,r.y/n.PIXEL_RATIO);e.Initialize(this.otherBody.getBody(),this.selfBody.getBody(),b),e.frequencyHz=this._frequency,e.dampingRatio=this._damping,e.collideConnected=this.collideConnected,this._joint=n.I._createJoint(e)}}get frequency(){return this._frequency}set frequency(o){this._frequency=o,this._joint&&this._joint.SetFrequency(o)}get damping(){return this._damping}set damping(o){this._damping=o,this._joint&&this._joint.SetDampingRatio(o)}}t.ClassUtils.regClass("laya.physics.joint.WeldJoint",P),t.ClassUtils.regClass("Laya.WeldJoint",P);class C extends y{constructor(){super(...arguments),this.anchor=[0,0],this.collideConnected=!1,this.axis=[1,0],this._frequency=5,this._damping=.7,this._enableMotor=!1,this._motorSpeed=0,this._maxMotorTorque=1e4}_createJoint(){if(!this._joint){if(!this.otherBody)throw"otherBody can not be empty";if(this.selfBody=this.selfBody||this.owner.getComponent(i),!this.selfBody)throw"selfBody can not be empty";var o=window.box2d,e=C._temp||(C._temp=new o.b2WheelJointDef),r=this.selfBody.owner.localToGlobal(t.Point.TEMP.setTo(this.anchor[0],this.anchor[1]),!1,n.I.worldRoot),b=new o.b2Vec2(r.x/n.PIXEL_RATIO,r.y/n.PIXEL_RATIO);e.Initialize(this.otherBody.getBody(),this.selfBody.getBody(),b,new o.b2Vec2(this.axis[0],this.axis[1])),e.enableMotor=this._enableMotor,e.motorSpeed=this._motorSpeed,e.maxMotorTorque=this._maxMotorTorque,e.frequencyHz=this._frequency,e.dampingRatio=this._damping,e.collideConnected=this.collideConnected,this._joint=n.I._createJoint(e)}}get frequency(){return this._frequency}set frequency(o){this._frequency=o,this._joint&&this._joint.SetSpringFrequencyHz(o)}get damping(){return this._damping}set damping(o){this._damping=o,this._joint&&this._joint.SetSpringDampingRatio(o)}get enableMotor(){return this._enableMotor}set enableMotor(o){this._enableMotor=o,this._joint&&this._joint.EnableMotor(o)}get motorSpeed(){return this._motorSpeed}set motorSpeed(o){this._motorSpeed=o,this._joint&&this._joint.SetMotorSpeed(o)}get maxMotorTorque(){return this._maxMotorTorque}set maxMotorTorque(o){this._maxMotorTorque=o,this._joint&&this._joint.SetMaxMotorTorque(o)}}t.ClassUtils.regClass("laya.physics.joint.WheelJoint",C),t.ClassUtils.regClass("Laya.WheelJoint",C),o.BoxCollider=s,o.ChainCollider=a,o.CircleCollider=d,o.ColliderBase=r,o.DestructionListener=b,o.DistanceJoint=c,o.GearJoint=_,o.IPhysics=e,o.JointBase=y,o.MotorJoint=m,o.MouseJoint=u,o.Physics=n,o.PhysicsDebugDraw=l,o.PolygonCollider=x,o.PrismaticJoint=h,o.PulleyJoint=g,o.RevoluteJoint=f,o.RigidBody=i,o.RopeJoint=S,o.WeldJoint=P,o.WheelJoint=C}(window.Laya=window.Laya||{},Laya);