public void Down()
 {
     if (mario.IsGrounded())
     {
         mario.state       = new RightIdleSmallMarioState(mario);
         mario.marioSprite = new RightIdleSmallMario();
         mario.SetGrounded();
     }
 }
 public void Down()
 {
     if (mario.IsGrounded())
     {
         mario.state       = new LeftIdleBigMarioState(mario);
         mario.marioSprite = new LeftIdleLargeMario();
         mario.SetGrounded();
     }
 }