public EnumAxis getFlip()
	{
		switch (this)
		{
			case X_UP:
				return X_DOWN;
			case Y_UP:
				return Y_DOWN;
			case Z_UP:
				return Z_DOWN;
			case X_DOWN:
				return X_UP;
			case Y_DOWN:
				return Y_UP;
			case Z_DOWN:
				return Z_UP;
		}
		return null;
	}