def main():
# Creates VolumeObject
volumeObj = c4d.BaseObject(c4d.Ovolume)
if volumeObj is None:
raise MemoryError("Failed to create a volume object.")
# Inserts the volume Object within the scene
doc.InsertObject(volumeObj, None, None)
# Creates volume
volume = maxon.frameworks.volume.VolumeToolsInterface.CreateNewFloat32Volume(
0.0)
if volume is None:
raise MemoryError("Failed to create a float32 volume.")
volume.SetGridClass(c4d.GRIDCLASS_FOG)
volume.SetGridName("Example Grid")
# Defines the initial matrix of the grid
scaleMatrix = maxon.Matrix()
volume.SetGridTransform(scaleMatrix)
# Creates accessor
access = maxon.frameworks.volume.GridAccessorInterface.Create(
maxon.Float32)
if access is None:
raise RuntimeError("Failed to retrieve the grid accessor.")
# Initializes the grid for write access, changed with R21
initMethod = access.Init if c4d.GetC4DVersion(
) < 21000 else access.InitWithWriteAccess
initMethod(volume)
# Sets values in the shape of a helix
offset = 0.0
radius = 100.0
height = 500.0
step = 50.0
stepSize = height / step
while offset < step:
sin, cos = c4d.utils.SinCos(offset)
pos = maxon.IntVector32()
pos.x = maxon.Int32(sin * radius)
pos.y = maxon.Int32(cos * radius)
pos.z = maxon.Int32(offset * stepSize)
# Sets value
access.SetValue(pos, 10.0)
offset = offset + 0.1
# Inserts volume in the VolumeObject
volumeObj.SetVolume(volume)
# Pushes an update event to Cinema 4D
c4d.EventAdd()
def main():
# Creates a Volume Object
volumeObj = c4d.BaseObject(c4d.Ovolume)
if volumeObj is None:
raise MemoryError("Failed to create a volume object.")
# Creates a Sphere Volume
sphereVolume = maxon.frameworks.volume.VolumeToolsInterface.CreateSphereVolume(
maxon.Float(100.0), maxon.Vector(0, 100, 0), maxon.Float(1.0),
maxon.Int32(2), maxon.ThreadRef(), None)
# Fills the volume with a Gradient
gradientVolume = maxon.frameworks.volume.VolumeToolsInterface.CreateGradientVolume(
sphereVolume, maxon.ThreadRef())
# Sets the VolumeRef in the Volume Object and insert it in the scene
volumeObj.SetVolume(gradientVolume)
doc.InsertObject(volumeObj)
# Pushes an update event to Cinema 4D
c4d.EventAdd()