public void keyReleased(KeyEvent g) {
			if(g.getKeyCode() == KEY_JUMP) {
				player.setVerticalMovingBehavior(fallingBehavior);
			}
			else if(g.getKeyCode() == KEY_LEFT) {
				player.setHorizontalMovingBehavior(noMoveBehavior);
			}
			else if(g.getKeyCode() == KEY_RIGHT) {
				player.setHorizontalMovingBehavior(noMoveBehavior);
			}
			else if(g.getKeyCode() == KEY_SHIFT) {
				playerRunning = false;
			}
		}