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Add vertex color support to dissolve module #88

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Add vertex color support to dissolve module #88

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8 changes: 7 additions & 1 deletion Packages/sh.orels.shaders.generator/Runtime/Sources/Modules/Dissolve.orlsource
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@
_DissolveCutoff("Cutoff", Range(0,1)) = 0.04
_DissolveCutoffRangeMin("Cutoff Range Min %CombineWith(_DissolveCutoffRangeMax)", Float) = -0.1
[HideInInspector]_DissolveCutoffRangeMax("Max", Float) = 1.1
[Enum(Local Position, 0, UV, 1, Texture, 2)]_DissolveSource("Fade Based On", Int) = 0
[Enum(Local Position, 0, UV, 1, Texture, 2, Vertex Colors, 3)]_DissolveSource("Fade Based On", Int) = 0
_DissolveTexture("Fade Texture %ShowIf(_DissolveSource == 2)", 2D) = "grayscaleRamp" {}
UI_DissolveTextureNote("> This texture will be used as a base of fade progression. Generally expected to be some kind of gradient, sometimes multiplied by a pattern %ShowIf(_DissolveSource == 2)", Int) = 0
[Enum(X, 0, Y, 1, Z, 2, Negative X, 3, Negative Y, 4, Negative Z, 5)]_DissolveDirection("Fade Direction", Int) = 1
Expand Down Expand Up @@ -85,6 +85,12 @@
gradSource = SAMPLE_TEXTURE2D(_DissolveTexture, sampler_DissolveTexture, uv)[(_DissolveDirection % totalChannels)] * (_DissolveDirection > 2 ? -1 : 1);
break;
}
case 3: {
half isReverse = _DissolveDirection > 2 ? 0 : 1;
gradSource = d.vertexColor[(_DissolveDirection % totalChannels)];
gradSource = ((1 - gradSource) * (1 - isReverse)) + (gradSource * isReverse);
break;
}
}
half grad = lerp(1 - (gradSource + 0.5), gradSource, saturate(_DissolveSource));
#if DISSOLVE_SHOW_FADE_GRAD
Expand Down