OBJModel.java

public static Matrix4f getMatrix(EnumFacing facing) {
		Matrix4f ret = new Matrix4f();
		switch (facing) {
			case DOWN: ret = ModelRotation.X90_Y0.getMatrix(); break;
			case UP: ret = ModelRotation.X270_Y0.getMatrix(); break;
			case NORTH: ret = ModelRotation.X0_Y0.getMatrix(); break;
			case SOUTH: ret = ModelRotation.X0_Y180.getMatrix(); break;
			case WEST: ret = ModelRotation.X0_Y270.getMatrix(); break;
			case EAST: ret = ModelRotation.X0_Y90.getMatrix(); break;
			default: ret.setIdentity();
		}
		return ret;
	}