Maya Python API是用于编写Maya插件和脚本的Python接口。它提供了访问Maya场景中各种元素的功能,包括网格、控制点、动画、材质等。
要使用Maya Python API设置网格控制点的值,可以按照以下步骤进行:
import maya.OpenMaya as OpenMaya
selectionList = OpenMaya.MSelectionList()
OpenMaya.MGlobal.getActiveSelectionList(selectionList)
dagPath = OpenMaya.MDagPath()
selectionList.getDagPath(0, dagPath)
mfnMesh = OpenMaya.MFnMesh(dagPath)
points = OpenMaya.MPointArray()
mfnMesh.getPoints(points, OpenMaya.MSpace.kWorld)
for i in range(points.length()):
points.set(OpenMaya.MPoint(x, y, z), i)
其中,x、y、z是控制点的新坐标。
mfnMesh.setPoints(points, OpenMaya.MSpace.kWorld)
完整的代码示例如下:
import maya.OpenMaya as OpenMaya
def set_mesh_control_points():
selectionList = OpenMaya.MSelectionList()
OpenMaya.MGlobal.getActiveSelectionList(selectionList)
dagPath = OpenMaya.MDagPath()
selectionList.getDagPath(0, dagPath)
mfnMesh = OpenMaya.MFnMesh(dagPath)
points = OpenMaya.MPointArray()
mfnMesh.getPoints(points, OpenMaya.MSpace.kWorld)
for i in range(points.length()):
points.set(OpenMaya.MPoint(x, y, z), i)
mfnMesh.setPoints(points, OpenMaya.MSpace.kWorld)
set_mesh_control_points()
这样,你就可以使用Maya Python API设置网格控制点的值了。
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