def getBoundingBox(cls, dagPath):
""" Calculates the world bounding box for the specified dag path and returns a
BoundingBox3D instance populated with those values. """
box = BoundingBox3D()
box.fromExactWorldBoundingBox(cmds.exactWorldBoundingBox(dagPath))
return box
def setCameraFocus(self, closeup =True):
""" Center the current camera (CadenceCam or persp) on the currently
selected node. If using the CadenceCam, the view is fitted to
FIT_FACTOR; with the persp camera, it is not so contrained. """
if closeup:
# compute size (in cm)
dimensions = cmds.exactWorldBoundingBox()
if not dimensions:
return
dx = dimensions[3] - dimensions[0]
dy = dimensions[4] - dimensions[1]
dz = dimensions[5] - dimensions[2]
size = max(dx, dy, dz)
# make FitFactor such that a 100 CM object would fill 25% of screen
fitFactor = 0.25*size/100.0
cmds.viewFit(fitFactor=fitFactor, animate=True)
else:
cmds.viewLookAt(())
def _scaleItem(self, item):
bbox = cmds.exactWorldBoundingBox(item)
currentX = bbox[3] - bbox[0]
currentY = bbox[4] - bbox[1]
currentZ = bbox[5] - bbox[2]
scale = float('inf')
if self.x is not None:
scale = min(scale, float(self.x)/float(currentX))
if self.y is not None:
scale = min(scale, float(self.y)/float(currentY))
if self.z is not None:
scale = min(scale, float(self.z)/float(currentZ))
if not self.grow:
scale = min(scale, 1.0)
if scale == 1.0:
return None
cmds.scale(scale, scale, scale, item, relative=True)
return scale
def _scaleItem(self, item):
bbox = cmds.exactWorldBoundingBox(item)
currentX = bbox[3] - bbox[0]
currentY = bbox[4] - bbox[1]
currentZ = bbox[5] - bbox[2]
scale = float('inf')
if self.x is not None:
scale = min(scale, float(self.x) / float(currentX))
if self.y is not None:
scale = min(scale, float(self.y) / float(currentY))
if self.z is not None:
scale = min(scale, float(self.z) / float(currentZ))
if not self.grow:
scale = min(scale, 1.0)
if scale == 1.0:
return None
cmds.scale(scale, scale, scale, item, relative=True)
return scale
