BlendTransforms.py 文件源码

def BT_Setup(set = None):

    if not set:
        return False

    transforms = cmds.listConnections(set +'.dagSetMembers')
    if not transforms:
        return False

    if not cmds.attributeQuery('Blend_Node', n = set, ex = True):
        cmds.addAttr(set, ln = 'Blend_Node', k = False, h = True, dt = 'string')
    else:
        return False

    btNode = cmds.createNode("BlendTransforms")
    cmds.setAttr(set +'.Blend_Node', btNode, type = "string")

    for i in range(0, len(transforms)):
        baseMatrix = cmds.xform(transforms[i], q = True, m = True)
        baseScale = cmds.getAttr(transforms[i] +'.scale')[0]
        baseRotOffset = [0.0, 0.0, 0.0]

        if cmds.objectType(transforms[i], isType = 'joint'):
            baseRotOffset = cmds.getAttr(transforms[i] +'.jointOrient')[0]

        btAttr = 'transforms[' +str(i) +'].baseMatrix'
        btScaleAttr = 'transforms[' +str(i) +'].baseScale'
        btRotOffsetAttr = 'transforms[' +str(i) +'].baseRotOffset'

        BT_MatrixValuesToNode(values = baseMatrix, node = btNode, attr = btAttr)
        BT_Double3ValuesToNode(values = baseScale, node = btNode, attr = btScaleAttr)
        BT_Double3ValuesToNode(values = baseRotOffset, node = btNode, attr = btRotOffsetAttr)
        BT_ConnectOutputs(index = i, node = btNode, transform = transforms[i])

    return True