public void keyPressed(KeyEvent e) {
		if ((e.getModifiers() & KeyEvent.ALT_MASK) != 0) {

			if (e.getKeyCode() == KeyEvent.VK_UP) {
//				scene.adjustCameraZ(.5f);
			} else if (e.getKeyCode() == KeyEvent.VK_DOWN) {
//				scene.adjustCameraZ(-.5f);
			}

		} else {
			if (e.getKeyCode() == KeyEvent.VK_SHIFT) {
				shiftPressed = true;
			}
		}
	}