public AnimationThreeRow(ThreeRow game)
 {
     m_game  = game;
     m_time  = 250;
     m_steps = 10;
     m_count = 0;
 }
 public SwapAnimation(ThreeRow game) : base(game)
 {
     m_steps = 8;
 }
 public FallAnimation(ThreeRow game) : base(game)
 {
     m_time = 100;
 }
 public VisualElement(ThreeRow game) : base()
 {
     m_game = game;
 }