protected void altTransform(int kc) {
		if (kc == forwardKey) {
			rotateUp();
		} else {
			if (kc == backKey) {
				rotateDown();
			} else {
				if (kc == leftKey) {
					moveLeft();
				} else {
					if (kc == rightKey) {
						moveRight();
					}
				}
			}
		}
	}