In my 2120 project, today in Unity I added a few scripts that assigned a different material to my rocks.
Here is my flowchart:
https://openlab.citytech.cuny.edu/lingwu-eportfolio/files/2021/03/unityFlowChart.jpg
Here is a unity recording of the scripting changes:
https://drive.google.com/file/d/1t2k_7L-EPgtcF1B7bUrwE89bGdXg7tWL/view?usp=sharing