I test and write the shader on the babylon.js cyos website, but clicking the run website will not compile and run my code. I thought it was a browser problem, but it was the same with several browsers。
Hi! Checked in with the team and this was due to a change in the ShaderMaterial, have opened a PR to fix it: Update ShaderMaterial for breaking change by carolhmj · Pull Request #7 · BabylonJS/CYOS (github.com)
Thanks for bringing this to our attention.