Fire Propagation

Hi! I was recently playing through Dark Messiah and its fire propagation inspired me to include it into one of my projects.

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Overall, I wanted fire to:

  • Change the material’s appearance over time to burnt
  • Be an element I can use for burning various items that are flammable (and have those items affect others)

That being said, I can’t seem to find any information online regarding this topic and I’m really struggling trying to figure this out by myself. Any help would be greatly appreciated.