- It looks like the ‘burn’ texture is being rendered instead.
- The shader burn example is using a basic material that doesn’t have lighting. Here’s a thread about a similar topic: How can I make the custom shader stop? - #12 by yaustar
Having an example project either from the Editor or Codepen would really help.
You can find all the shader code used in the Standard Material chunks here: engine/src/scene/shader-lib/chunks at b152f733922fc56852fa2b3b3ad629cf4d1ef619 · playcanvas/engine · GitHub