protected void ApplyPhysics(GameTime gameTime)
        {
            float gravitationalConstant = 600;
            float terminalVelocity = 1000;

            if (GameState.Avatar.Position.Y > this.Baseline)
            {
                if (GameState.Avatar.JumpTime == 0)
                {
                    GameState.Avatar.JumpHeight = GameState.Avatar.Position.Y;
                }
                GameState.Avatar.JumpTime += (float)gameTime.ElapsedGameTime.TotalSeconds;
                if (gravitationalConstant * GameState.Avatar.JumpTime < terminalVelocity)
                {
                    GameState.Avatar.Position.Y = (float)(GameState.Avatar.JumpHeight - (gravitationalConstant * Math.Pow(GameState.Avatar.JumpTime, 2)) / 2);
                }
                else
                {
                    GameState.Avatar.Position.Y = GameState.Avatar.JumpHeight - terminalVelocity * GameState.Avatar.JumpTime;
                }
            } else {
                GameState.Avatar.JumpTime = 0;
            }
        }