1
import bpy
2
import mathutils
3
 
4
# Initialize variables for total mass and weighted center of mass
5
total_mass = 0
6
weighted_sum = mathutils.Vector((0, 0, 0))
7
 
8
# Define densities for the objects (replace with your objects and densities)
9
densities = {
10
    'Object_1': 15.0,  # Density for object 1
11
    'Object_2': 15.0,  # Density for object 2
12
    'plank' : 15.0,
13
    'center' : 15.0
14
    # Add more objects and densities as needed
15
}
16
 
17
# Iterate through each object to calculate its contribution to the center of mass
18
for obj_name, density in densities.items():
19
    obj = bpy.data.objects[obj_name]
20
    # Calculate approximate volume using object dimensions
21
    volume = obj.dimensions.x * obj.dimensions.y * obj.dimensions.z
22
    mass = volume * density
23
    # Get the object's origin location (can use center of mass if needed)
24
    center_of_mass = obj.location
25
 
26
    # Accumulate weighted center of mass and total mass
27
    weighted_sum += mass * center_of_mass
28
    total_mass += mass
29
 
30
# Compute the combined center of mass for all objects
31
combined_center_of_mass = weighted_sum / total_mass
32
 
33
# Move the 3D cursor to the combined center of mass
34
bpy.context.scene.cursor.location = combined_center_of_mass
35
 
36
# Create a new cube at the combined center of mass
37
bpy.ops.mesh.primitive_cube_add(size=1, location=combined_center_of_mass)
38
 
39
print(f"Combined center of mass is at: {combined_center_of_mass}")