[LayaAir 2.0][LayaAir 2.0] 如何用代码为Spirte添加2d物理特性

官方的2d物理引擎文档都是IDE篇的。

我试着用代码实现物理效果

class CollisionBoll extends Laya.Sprite {

    

    private _boll1:Laya.Sprite;



    constructor() { 

        super(); 



        //物理模块

        this._boll1 = new Laya.Sprite();

        this.addChild(this._boll1);

        this._boll1.x = 20;

        this._boll1.loadImage('comp/btn_close.png');

        let box:laya.physics.BoxCollider = this._boll1.addComponent(laya.physics.BoxCollider);

        box.height = 60;

        box.width = 28;

        //添加刚体

        this._boll1.addComponent(Laya.RigidBody);



        //创建挡板

        this.createPanel();

    }



    private createPanel():void {

        let panel:Laya.Sprite = new Laya.Sprite();

        panel.graphics.drawRect(0,100,100,20,0xffffff);

        this.addChild(panel);



        let box:laya.physics.BoxCollider = panel.addComponent(laya.physics.BoxCollider);

        box.height = 20;

        box.width = 100;



        let rigid:Laya.RigidBody = panel.addComponent(Laya.RigidBody);

        rigid.type = 'static';

    }