commands.py 文件源码

def combine(nodes):
    """Produce a new mesh with the contents of `nodes`

    Arguments:
        nodes (list): Path to shapes

    """

    unite = cmds.createNode("polyUnite", n=nodes[0] + "_polyUnite")

    count = 0
    for node in nodes:
        # Are we dealing with transforms, or shapes directly?
        shapes = cmds.listRelatives(node, shapes=True) or [node]

        for shape in shapes:
            try:
                cmds.connectAttr(shape + ".outMesh",
                                 unite + ".inputPoly[%s]" % count, force=True)
                cmds.connectAttr(shape + ".worldMatrix",
                                 unite + ".inputMat[%s]" % count, force=True)
                count += 1

            except Exception:
                cmds.warning("'%s' is not a polygonal mesh" % shape)

    if count:
        output = cmds.createNode("mesh", n=nodes[0] + "_combinedShape")
        cmds.connectAttr(unite + ".output", output + ".inMesh", force=True)
        return output

    else:
        cmds.delete(unite)
        return None