public GoombaLeftMovingState(Game1 game, Goomba goomba)
 {
     this.game    = game;
     this.goomba  = goomba;
     goombaSprite = GoombaSpriteFactory.Instance.CreateGoombaLeftMovingSprite();
 }
 public GoombaFlippedState(Game1 game, Goomba goomba)
 {
     this.goomba  = goomba;
     this.game    = game;
     goombaSprite = GoombaSpriteFactory.Instance.CreateGoombaFlippedSprite();
 }