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what is the equivalent to an HLSL step function in the material editor

what is the equivalent to an HLSL step function in the material editor.

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asked Mar 28 '15 at 01:29 PM in Rendering

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A Triceratops
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avatar image xnihil0zer0 Mar 29 '15 at 03:18 AM

You can use the hlsl step function in the material editor. Make a custom node, make two inputs named x and y. Put:

return step(x,y);

in the Code field.

avatar image soulsource_ag Oct 02 '18 at 09:20 AM

Beware though, that the UE4 documentation recommends not to use custom expressions: https://docs.unrealengine.com/en-US/engine/rendering/materials/expressionreference/custom

I'd recommend to use either the if node (which at least on HLSL does not mean branching), or to subtract -> sign -> saturate instead.

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answered Mar 28 '15 at 02:01 PM

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Shadowriver
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