How to mimic a For loop in Shader Graph?

Indiefreaks_1 · July 22, 2019, 12:20am

Hi guys,

In previous versions, I found out that using the old ShaderGraph API (CodeFunctionNode class inheritance), one could create a for loop and iterate a number of times on some HLSL code.

Since this got removed from Unity, can anyone tell me how I should go for it?
Thanks

ph1 · July 22, 2019, 12:32pm

Hi there,
They replaced the old ShaderGraph API with Custom fonction nodes, which are nodes you can type HLSL in. It’s not as powerful as the old API, but I think in your specific case it shouldn’t matter.
https://docs.unity3d.com/Packages/com.unity.shadergraph@6.7/manual/Custom-Function-Node.html

Indiefreaks_1 · July 22, 2019, 8:17pm

But this only works on 6.7 right? I couldn’t see the same feature on 5.16.1 with the regular 2019.1.10f version of Unity

ph1 · July 22, 2019, 8:27pm

It’s

It’s there in your version too. In SG, look for “custom” and “Custom Function” will appear.

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How to mimic a For loop in Shader Graph?

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