public void keyReleased(KeyEvent e) {
		if (e.getKeyCode() == keyCameraZNeg) {
			// up
			if (e.getSource() == canvasGame || e.getSource() == canvasMain) {
				cameraMain.cameraZN = 0;
			}
		} else if (e.getKeyCode() == keyCameraZPos) {
			// down
			if (e.getSource() == canvasGame || e.getSource() == canvasMain) {
				cameraMain.cameraZP = 0;
			}
		} else if (e.getKeyCode() == keyCameraXNeg) {
			// left
			if (e.getSource() == canvasGame || e.getSource() == canvasMain) {
				cameraMain.cameraXN = 0;
			}
		} else if (e.getKeyCode() == keyCameraXPos) {
			// right
			if (e.getSource() == canvasGame || e.getSource() == canvasMain) {
				cameraMain.cameraXP = 0;
			}
		}
	}