import { EVENT_TYPE, JOY_STATE } from "../../utrl/gameEnum";
import gameEventManager from "../../utrl/gameEventManager";

const { ccclass, requireComponent, property } = cc._decorator;
/**节点移动控制类 */
@ccclass
@requireComponent(cc.RigidBody)
export default class NodeMove extends cc.Component {
    @property
    /**移动速度 */
    move_speed = 200;
    @property
    /**使用力度 */
    use_power = false;
    /**当前遥感状态 */
    state = JOY_STATE.end;
    /**当前遥感角度 */
    angle = 0;
    /**当前遥感力度 */
    power = 0;
    /**本身刚体 */
    private rigid: cc.RigidBody = null;
    onEnable() {
        this.state = JOY_STATE.end;
        this.angle = 0;
        this.power = 0;
        this.rigid = this.node.getComponent(cc.RigidBody);
        this.rigid.gravityScale = 0;
        this.rigid.linearDamping = 5;
        this.rigid.fixedRotation = true;
        gameEventManager.on(EVENT_TYPE.joy_stick, this.onJoyStick, this);
    }
    onDisable() {
        gameEventManager.off(EVENT_TYPE.joy_stick, this.onJoyStick, this);
    }
    update() {
        this.refreshLinearVelocity();
    }
    /**
     * 遥感回调
     * @param state 当前遥感状态
     * @param angle 当前遥感角度
     * @param power 当前遥感力度
     */
    private onJoyStick(state: JOY_STATE, angle: number, power: number) {
        this.state = state;
        this.angle = angle;
        this.power = power;
    }
    /**刷新刚体线性速度 */
    private refreshLinearVelocity() {
        if (this.state == JOY_STATE.move) {
            let rad = this.angle * Math.PI / 180;
            this.rigid.linearVelocity = cc.v2(Math.cos(rad), Math.sin(rad)).mul(this.power * this.move_speed);
        }
    }
}