void keyboardUp(unsigned char key, int x, int y)
{
	switch (key)
	{
		case 'w':
			camera.setMoveForward(false);
			break;
		case 's':
			camera.setMoveBackward(false);
			break;
		case 'd':
			camera.setMoveRight(false);
			break;
		case 'a':
			camera.setMoveLeft(false);
			break;
		case 'r':
			camera.setMoveUp(false);
			break;
		case 'f':
			camera.setMoveDown(false);
			break;
		case 'p': case 'P':
			cerr << camera.getPosition() << endl;
			break;
	}
}