在Maya Python插件中创建临时曲线是通过使用Maya的API来实现的。Maya的API是一组用于扩展和自定义Maya功能的工具和接口。
创建临时曲线的步骤如下:
- 导入必要的模块和类:import maya.OpenMaya as OpenMaya
import maya.OpenMayaMPx as OpenMayaMPx
- 创建自定义的命令类,并继承自OpenMayaMPx.MPxCommand:class CreateTempCurveCommand(OpenMayaMPx.MPxCommand):
def __init__(self):
OpenMayaMPx.MPxCommand.__init__(self)
- 实现命令的doIt方法,在其中创建临时曲线:def doIt(self, args):
# 创建一个空的曲线对象
curveFn = OpenMaya.MFnNurbsCurve()
curveData = curveFn.create()
# 添加曲线的控制点
curveFn.addCV(OpenMaya.MPoint(0, 0, 0))
curveFn.addCV(OpenMaya.MPoint(1, 0, 0))
curveFn.addCV(OpenMaya.MPoint(1, 0, 1))
curveFn.addCV(OpenMaya.MPoint(0, 0, 1))
# 更新曲线的形状
curveFn.updateCurve()
# 将曲线对象转换为DAG节点
curveTransformFn = OpenMaya.MFnTransform()
curveTransform = curveTransformFn.create()
curveTransformFn.addChild(curveData)
# 将曲线添加到场景中
OpenMaya.MGlobal().selectByName('pCube1')
OpenMaya.MGlobal().executeCommand('parent -add ' + curveTransform)
- 注册命令:def cmdCreator():
return OpenMayaMPx.asMPxPtr(CreateTempCurveCommand())
def initializePlugin(obj):
plugin = OpenMayaMPx.MFnPlugin(obj)
try:
plugin.registerCommand('createTempCurve', cmdCreator)
except:
raise RuntimeError('Failed to register command')
def uninitializePlugin(obj):
plugin = OpenMayaMPx.MFnPlugin(obj)
try:
plugin.deregisterCommand('createTempCurve')
except:
raise RuntimeError('Failed to unregister command')
完成上述步骤后,可以在Maya中运行以下命令来创建临时曲线:
这样就可以在Maya中创建一个临时曲线,并将其添加到场景中。
腾讯云相关产品和产品介绍链接地址: