def createLayer(self, layer, useExisting =True):
""" Creates a display layer with the specified name. """
if useExisting and cmds.objExists(layer):
return
priorSelection = MayaUtils.getSelectedTransforms()
cmds.select(clear=True)
cmds.createDisplayLayer(name=layer)
MayaUtils.setSelection(priorSelection)
def createRenderEnvironment(self):
lightName = 'scenic_light1'
if not cmds.objExists(lightName):
lightName = cmds.directionalLight(name=lightName, intensity=0.5)
cmds.move(0, 2500, 0, lightName)
cmds.rotate('-45deg', '-45deg', 0, lightName)
lightName = 'scenic_light2'
if not cmds.objExists(lightName):
lightName = cmds.directionalLight(name=lightName, intensity=0.5)
cmds.move(0, 2500, 0, lightName)
cmds.rotate('-45deg', '135deg', 0, lightName)
floorName = 'floor'
if not cmds.objExists(floorName):
floorName = cmds.polyPlane(width=10000, height=10000, name=floorName)[0]
shader, shaderEngine = self.createShader('Whiteout_Surface', 'surfaceShader')
cmds.setAttr(shader + '.outColor', 1.0, 1.0, 1.0, type='double3')
cmds.select([floorName])
cmds.sets(forceElement=shaderEngine)
def createShader(self, shaderName, shaderType ='blinn'):
shaderEngine = None
if not cmds.objExists(shaderName):
shader = cmds.shadingNode(shaderType, asShader=True)
shader = cmds.rename(shader, shaderName)
shaderEngine = cmds.sets(renderable=True, empty=True, noSurfaceShader=True, name=shader + '_SG')
cmds.connectAttr(shader + '.outColor', shaderEngine + '.surfaceShader')
else:
shader = shaderName
engines = cmds.listConnections(shader + '.outColor')
if engines:
shaderEngine = engines[0]
return shader, shaderEngine
def initializeCadenceCam(self):
""" This creates an orthographic camera that looks down the Y axis onto
the XZ plane, and rotated so that the AI file track labels are
legible. This camera is positioned so that the given track nodeName
is centered in its field by setCameraFocus. """
if cmds.objExists(self.CADENCE_CAM):
return
priorSelection = MayaUtils.getSelectedTransforms()
c = cmds.camera(
orthographic=True,
nearClipPlane=1,
farClipPlane=100000,
orthographicWidth=400)
cmds.setAttr(c[0] + '.visibility', False)
cmds.rename(c[0], self.CADENCE_CAM)
cmds.rotate(-90, 180, 0)
cmds.move(0, 100, 0, self.CADENCE_CAM, absolute=True)
MayaUtils.setSelection(priorSelection)
def deleteLayer(self, layer):
""" Deletes a display layer. """
if not cmds.objExists(layer):
cmds.delete(layer)
def shaderExistsInScene(cls, shaderConfig):
return cmds.objExists(shaderConfig['uid'])
