A.GetComponent<Collider>().enabled =true;B.GetComponent<Collider>().isTrigger =true;C.GetComponent<Collider>().material =new PhysicMaterial ();D.GetComponent<Collider>().size =new Vector3(1,1,1);
A.OnCollisionEnter (Collider other)B.OnTriggerEnter (Collider other)C.OnCollisionStay (Collider other)D.OnTriggerStay (Collider other)
A.Input.GetMouseButton (0)&&Input.GetMouseButtonUp (0)B.Input.GetMouseButton (0)&&Input.GetMouseButtonDown (0)C.Input.GetMouseButton (0)&&!Input.GetMouseButtonUp (0)D.Input.GetMouseButton (0)&&!Input.GetMouseButtonDown (0)