2022_spiegel_the_expanding

#

SPDX-FileCopyrightText: 2022 Araprima Aji & Francesco Piloni SPDX-FileCopyrightText: 2024 AlICe laboratory https://alicelab.be

SPDX-License-Identifier: GPL-3.0-or-later

#

PYTHON BASICS - 16/01/2023 Script written by Araprima AJI & Francesco PILLONI under blender 3.3.0 hash 0759f671celf

import bpy
import random
import math

#

CLEANING #

bpy.ops.object.select_all(action="SELECT")
bpy.ops.object.delete(use_global=False)

#

CUBE BASE / Cylinder base #

for i in range(1, 28):

#

coordinates

    Stacking = (0, 0, i * -3 + 37)
    Resize = (4, 4, i * 0.2)

#

Primitve Cylinders

    bpy.ops.mesh.primitive_cylinder_add(
        vertices=4, radius=15, depth=0.5, location=Stacking, scale=Resize
    )

#

Solidify the Cylinders

    bpy.ops.object.modifier_add(type="SOLIDIFY")

#

Thickness parameter with solidifier

    bpy.context.object.modifiers["Solidify"].thickness = -0.5

#

Select Cylinders to join them

#

Select All

bpy.ops.object.select_all(action="SELECT")

#

Join Cylinders

bpy.ops.object.join()

#

Balls : To create the Void Inside The Cube #

for i in range(1, 30):
    posX = random.uniform(-30, 15)
    posY = random.uniform(-30, 30)
    posZ = random.uniform(-35, 30)
    size = random.uniform(1, 30)
    bpy.ops.mesh.primitive_uv_sphere_add(
        segments=35,
        ring_count=35,
        radius=size,
        location=(posX, posY, posZ),
        scale=(1, 1, 1),
    )

#

Join Balls #

#

Select Cylinder

#

Select All

bpy.ops.object.select_all(action="SELECT")

#

Deselect Sphere

bpy.data.objects["Cylinder.026"].select_set(False)

#

Cylinder active objects

bpy.context.view_layer.objects.active = bpy.data.objects["Sphere"]

#

Join Balls

bpy.ops.object.join()

#

Boolean : Sphere - Cylinders #

#

Select Cylinder

#

Select All

bpy.ops.object.select_all(action="SELECT")

#

Deselect Sphere

bpy.data.objects["Sphere"].select_set(False)

#

Cylinder active objects

bpy.context.view_layer.objects.active = bpy.data.objects["Cylinder.026"]

#

Boolean action with to differentiate the Spheres with the Cylinders

bpy.ops.object.modifier_add(type="BOOLEAN")
bpy.context.object.modifiers["Boolean"].object = bpy.data.objects["Sphere"]
bpy.context.object.modifiers["Boolean"].use_self = True
bpy.ops.object.modifier_apply(modifier="Boolean")

#

Sphere : To create the Void Inside The Cube #

for i in range(1, 30):

#

coordinates

    posX = random.uniform(-30, 30)
    posY = random.uniform(-30, 30)
    posZ = random.uniform(-35, 30)

#

Size parameters for the Spheres

    size = random.uniform(0.5, 6)

#

Primitive Spheres

    bpy.ops.mesh.primitive_uv_sphere_add(
        segments=35,
        ring_count=35,
        radius=size,
        location=(posX, posY, posZ),
        scale=(1, 1, 1),
    )

#

Cylinders : Sticks for crescendo and decrescendo lines #

for i in range(1, 20):

#

coordinates

    posX1 = random.uniform(-20, 20)
    posY1 = random.uniform(-20, 20)
    posZ1 = random.uniform(-20, 10)
    Angle = i * math.radians(10)

#

Primitive Cylinders

    bpy.ops.mesh.primitive_cylinder_add(
        radius=0.7, depth=100, location=(posX1, posY1, posZ1), scale=(1, 1, 1)
    )

#

Rotation on the x and Y axis

    bpy.context.object.rotation_euler[0] = i * math.radians(15)

#

Rotation on the Z axis

    bpy.ops.transform.rotate(value=Angle, orient_axis="Z")

#

Cylinders : Structural columns #

for i in range(1, 30):

#

coordinates

    posX2 = random.uniform(-50, 50)
    posY2 = random.uniform(-50, 50)
    posZ2 = random.uniform(-20, 10)

#

Primitive Cylinders

    bpy.ops.mesh.primitive_cylinder_add(
        radius=1, depth=100, location=(posX2, posY2, posZ2), scale=(1, 1, 1)
    )

#

Rotation angle for vertical columns

    bpy.context.object.rotation_euler[0] = i * math.radians(180)

2022_spiegel_the_expanding_universe.py