def main():
# Creates a VectorVolume
vecVolumeRef = CreateVectorVolume(maxon.Vector32(100.0))
# Inserts these vector volume into a VolumeObject
vecVolumeObj = CreateVectorObject(vecVolumeRef, "Vector Volume")
# Mixes both vector volume together using cross product
fogVolumeRef = volume.VolumeToolsInterface.ConvertVectorToFog(
vecVolumeRef, maxon.ThreadRef())
# Inserts the mixed volume into the scene
fogVolumeObj = CreateVectorObject(fogVolumeRef, "Fog Volume")
# Creates a VolumeMesher and adds the volumeObject
volumeMesher = c4d.BaseObject(c4d.Ovolumemesher)
if volumeMesher is None:
raise MemoryError("Failed to create a volume mesher object.")
# Inserts the fog volume object under the volume mesher
fogVolumeObj.InsertUnder(volumeMesher)
# Inserts the volume mesher within the scene
doc.InsertObject(volumeMesher, None, None)
# Pushes an update event to Cinema 4D
c4d.EventAdd()
def CreateVectorVolume(vectorValue):
"""Creates a VolumeRef defined as a vector volume, with a cube of 100 cm (10* 10) filled with the vector passed.
Args:
vectorValue (maxon.Vector32): The vector value to set.
Returns:
maxon.frameworks.volume.VolumeRef: The created Vector volume with the value defined inside.
"""
# Creates volume
volumeRef = maxon.frameworks.volume.VolumeToolsInterface.CreateNewVector32Volume(
maxon.Vector32(0.0))
if volumeRef is None:
raise MemoryError("Failed to create a float32 volume.")
# Creates accessor
access = maxon.frameworks.volume.GridAccessorInterface.Create(
maxon.Vector32)
if access is None:
raise RuntimeError("Failed to retrieve the grid accessor.")
# Initializes the grid for write access
access.InitWithWriteAccess(volumeRef)
# Sets values
size = 10
step = 10.0
for x in range(size):
for y in range(size):
for z in range(size):
pos = maxon.IntVector32(x * step, y * step, z * step)
access.SetValue(pos, vectorValue)
return volumeRef
def CreateVectorVolume(vectorValue):
"""
Creates a VolumeRef defined as a vector volume, with a cube of 20 cm filled with the vector value passed.
:param vectorValue: The vector value to set.
:type vectorValue: maxon.Vector32
:return: The created Vector volume with the value defined inside.
:rtype: maxon.frameworks.volume.VolumeRef
"""
# Creates volume
volumeRef = maxon.frameworks.volume.VolumeToolsInterface.CreateNewVector32Volume(
maxon.Vector32(0.0))
if volumeRef is None:
raise MemoryError("Failed to create a float32 volume.")
# Creates accessor
access = maxon.frameworks.volume.GridAccessorInterface.Create(
maxon.Vector32)
if access is None:
raise RuntimeError("Failed to retrieve the grid accessor.")
# Initializes the grid for write access
access.InitWithWriteAccess(volumeRef)
# Sets values
size = 20
for x in range(size):
for y in range(size):
for z in range(size):
pos = maxon.IntVector32(x, y, z)
access.SetValue(pos, vectorValue)
return volumeRef
def main():
# Creates a VectorVolume
volumeRefA = CreateVectorVolume(maxon.Vector32(0, 0, 10))
volumeRefB = CreateVectorVolume(maxon.Vector32(10.0, 0, 0))
# Inserts these vector volume into the scene
CreateVectorObject(volumeRefA, "Volume A")
CreateVectorObject(volumeRefB, "Volume B")
# Mixes both vector volume together using cross product
resultMixVolume = volume.VolumeToolsInterface.MixVectorVolumes(volumeRefA, volumeRefB, c4d.MIXVECTORTYPE_CROSS)
# Inserts the mixed volume into the scene
CreateVectorObject(resultMixVolume, "Mixed Volume")
# Pushes an update event to Cinema 4D
c4d.EventAdd()