let manager = cc.director.getPhysicsManager();
manager.enabled = true;
manager.gravity = cc.v2();
let collision = cc.director.getCollisionManager();
collision.enabled = true;
collision.enabledDebugDraw = true;
collision.enabledDrawBoundingBox = true;
我在主场景onLoad中开启,怎么连包围盒都没有
