private bool CanDrag()
{
/* Can drag disk if
* it's on the top of the stick
* it's not moving
* game is not over
* game is not paused
*/
return(currentStick.GetTopDisk().name == this.name &&
//_rigidBody.IsSleeping() &&
!GameManager.instance.gameOver &&
!GameManager.instance.gamePaused);
}