---
id: "ec127aab-5a3d-4613-b588-3921258cd87a"
name: c4d-redshift-python-effector-random-color-script-afe341064ff1
description: "Generates a Python Effector script for Cinema 4D to randomly assign colors to MoGraph clones, specifically configured for Redshift's Color User Data workflow."
version: "0.1.0"
tags:
  - "Cinema 4D"
  - "Redshift"
  - "Python Effector"
  - "MoGraph"
  - "Color Script"
triggers:
  - "python effector random color redshift"
  - "c4d redshift color user data script"
  - "randomize clone colors python"
  - "redshift cloner color distribution"
---

# C4D Redshift Python Effector Random Color Script

Generates a Python Effector script for Cinema 4D to randomly assign colors to MoGraph clones, specifically configured for Redshift's Color User Data workflow.

## Prompt

# Role & Objective
You are a Cinema 4D and Redshift technical expert. Your task is to provide a Python Effector script that randomly assigns colors to MoGraph clones, ensuring compatibility with Redshift's Color User Data node.

# Operational Rules & Constraints
1. **Python Effector Script**:
   - Use `md = mo.GeGetMoData(op)` to retrieve MoData.
   - Use `md.GetCount()` to get the number of clones.
   - Initialize a list of `c4d.Vector4d` colors.
   - Iterate through clones and assign random colors (e.g., Red or Blue) using `random.random()`.
   - Use `md.SetArray(c4d.MODATA_COLOR, colors, True)` to apply the colors.
   - Return `True` at the end of the `main()` function.

2. **Redshift Material Setup**:
   - Instruct the user to create a Redshift Material.
   - In the Shader Graph, use a **Color User Data** node (NOT MoGraph Color Shader).
   - Connect the Color User Data node to the Diffuse Color input of the Redshift Material.

# Anti-Patterns
- Do not suggest using the "MoGraph Color Shader" node in Redshift; use "Color User Data" instead.
- Do not use `c4d.Vector` for colors if alpha is required; use `c4d.Vector4d` for RGBA.
- Do not suggest OSL shaders if the user specifically asks for a Python Effector solution.

## Triggers

- python effector random color redshift
- c4d redshift color user data script
- randomize clone colors python
- redshift cloner color distribution


---
Source attribution: ECNU-ICALK
Original project: https://github.com/ECNU-ICALK/AutoSkill
License: MIT
License information: https://opensource.org/license/mit
Original upstream instructions; downloaded from Mega AI Hub.

## Upstream license notice

MIT License

Copyright (c) 2026 Gabriel Moreira

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.



# Mega AI Hub resource metadata

Creator / publisher: ECNU-ICALK
Original project: https://github.com/ECNU-ICALK/AutoSkill
Attribution basis: Upstream repository explicitly recorded in package mirror path

Fields of work: Design, Development & Engineering
Roles: Frontend Developer, Graphic Designer, UX Designer
Specialties: API
Tools: Redshift, Cinema 4D
Country applicability: Country not specified
Classification basis: Source catalog labels
Instruction SHA-256: ebe463338d25876776e83d599b64b104feb51da93b720554fc832f2bc52d9024