def main():
# Creates a matrix and a sphere object
matrix = c4d.BaseObject(1018545)
sphere = c4d.BaseObject(c4d.Osphere)
# If the matrix or the sphere object is not created
if matrix is None or sphere is None:
raise RuntimeError("Failed to create a matrix object or a sphere.")
# Inserts theses 2 objects in the current document.
doc.InsertObject(matrix)
doc.InsertObject(sphere)
# Creates an instance object
instance = c4d.InstanceObject()
if instance is None:
raise RuntimeError("Failed to create an instance object.")
# Inserts the instance object in the active document
doc.InsertObject(instance, None, None)
# Defines the reference object to be instanced.
instance.SetReferenceObject(sphere)
# Defines the matrix object as input position object.
instance[c4d.INSTANCEOBJECT_MULTIPOSITIONINPUT] = matrix
instance[c4d.INSTANCEOBJECT_RENDERINSTANCE_MODE] = c4d.INSTANCEOBJECT_RENDERINSTANCE_MODE_MULTIINSTANCE
# Pushes an update event to Cinema 4D
c4d.EventAdd()
def main():
# Creates cube
cube = c4d.BaseObject(c4d.Ocube)
if cube is None:
raise RuntimeError("Failed to create a cube.")
# Creates instance object
instance = c4d.InstanceObject()
if instance is None:
raise RuntimeError("Failed to create an instance object.")
# Inserts cube into the active document
doc.InsertObject(cube, None, None)
# Inserts instance object into the active document
doc.InsertObject(instance, None, None)
# Makes instance object active (selected)
doc.SetActiveObject(instance)
# Sets the instance reference object to the created cube
instance.SetReferenceObject(cube)
# Sets render instance mode to multi-instance
instance[
c4d.
INSTANCEOBJECT_RENDERINSTANCE_MODE] = c4d.INSTANCEOBJECT_RENDERINSTANCE_MODE_MULTIINSTANCE
# Displays instances as points
instance[
c4d.INSTANCEOBJECT_DRAW_MODE] = c4d.INSTANCEOBJECT_DRAW_MODE_POINTS
# Initializes multi-instance matrices and colors
matrices = list()
colors = list()
# The number of instances
count = 100
# Start position and translation step
position = 0.0
step = 300.0
# Hue start and step
hue = 0.0
hueStep = 1.0 / count
# Generates matrices and colors for 100 instances
for i in range(count):
# Calculates the current instance matrix
matrix = c4d.utils.MatrixMove(c4d.Vector(position, 0.0, 0.0))
matrices.append(matrix)
position = position + step
# Calculates the current instance color
colorHSV = c4d.Vector(hue, 1.0, 1.0)
colorRGB = c4d.utils.HSVToRGB(colorHSV)
colors.append(colorRGB)
hue = hue + hueStep
# Stores instance matrices
instance.SetInstanceMatrices(matrices)
# Stores instance colors
instance.SetInstanceColors(colors)
# Pushes an update event to Cinema 4D
c4d.EventAdd()