DrawBack

    var depth = 10.0;


    function Start ()
    {
         Cursor.visible = true;
    }

    function Update ()
    {
    if(Input.GetMouseButton(0)){
         var mousePos = Input.mousePosition;
         var wantedPos = Camera.main.ScreenToWorldPoint (Vector3 (mousePos.x, mousePos.y, depth));
         transform.position = wantedPos;
    }
    if(Input.GetMouseButtonUp(0)){

    Destroy(this);

    }
    }