var rigidBody: Laya.Rigidbody3D = this.target.addComponent(Laya.Rigidbody3D);
var sphereShape: Laya.SphereColliderShape = new Laya.SphereColliderShape(0.125);
rigidBody.colliderShape = sphereShape;
rigidBody.mass = 10;
rigidBody.restitution = 0.9;貌似需要手写代码才生效,unity导出就没有效果,不知道是不是这样!!!