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65 changes: 65 additions & 0 deletions
65
Packages/com.lackofbindings.orlmodules/Runtime/Modules/GrabGradientMap.orlsource
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| %Properties() | ||
| { | ||
| UI_GradientMapHeader("# Gradient Map (Grab Pass)", Float) = 0 | ||
| _GradientMap ("Gradient (RGB) %Gradient()", 2D) = "white" {} | ||
| _DistortMagnitude("Distortion Magnitude", Range(0,1)) = 0.05 | ||
| _DistortThreshold("Distortion Threshold", Range(0,1)) = 0.01 | ||
| } | ||
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| %ShaderDefines() | ||
| { | ||
| #define EXTRA_V2F_0 | ||
| } | ||
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| %PrePasses() | ||
| { | ||
| GrabPass { "_GrabTexture1" } | ||
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| Pass | ||
| { | ||
| ZWrite On Lighting Off Cull Off Fog{ Mode Off } Blend One Zero | ||
| LOD 200 | ||
| } | ||
| } | ||
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| %Variables() | ||
| { | ||
| half _DistortThreshold; | ||
| half _DistortMagnitude; | ||
| } | ||
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| %Textures() | ||
| { | ||
| TEXTURE2D(_GradientMap); | ||
| SAMPLER(sampler_GradientMap); | ||
| SAMPLER(_GrabTexture1); | ||
| } | ||
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| %Vertex("GrabPassVertex") | ||
| { | ||
| void GrabPassVertex(VertexData v, inout FragmentData o) | ||
| { | ||
| half4 vertex = UnityObjectToClipPos(v.vertex); | ||
| o.extraV2F0 = ComputeGrabScreenPos(vertex); // GrabPass UV | ||
| } | ||
| } | ||
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| %Fragment("GrabPassFragment") | ||
| { | ||
| float linearToGamma(fixed4 c) | ||
| { | ||
| return pow(sqrt(c.rgb) + 0.25, 2.0); | ||
| } | ||
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| void GrabPassFragment(FragmentData i, inout SurfaceData o) | ||
| { | ||
| // Distortion: offset the UV data of the grab texture based on the normal map | ||
| i.extraV2F0.xy += (saturate(o.Normal.rg - _DistortThreshold)) * _DistortMagnitude; | ||
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| // Sample grab texture and map Luminance to value on input gradient | ||
| fixed4 color_GrabTex = tex2Dproj(_GrabTexture1, UNITY_PROJ_COORD(i.extraV2F0)); // apply the screen texture in the correct position | ||
| float2 gradientUV = float2(linearToGamma(Luminance(color_GrabTex.rgb)), 0.0); // convert luminance to UV X coordinate on gradient | ||
| fixed4 color_Result = SAMPLE_TEXTURE2D(_GradientMap, sampler_GradientMap, gradientUV); | ||
| o.Albedo *= sqrt(color_Result.rgb); //sqrt makes sRGB gradient textures have the right color values. | ||
| } | ||
| } |
10 changes: 10 additions & 0 deletions
10
Packages/com.lackofbindings.orlmodules/Runtime/Modules/GrabGradientMap.orlsource.meta
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16 changes: 16 additions & 0 deletions
16
Packages/com.lackofbindings.orlmodules/Runtime/Shaders/ORL Standard Gradient Map.orlshader
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,16 @@ | ||
| %ShaderName("orels1/Standard Gradient Map") | ||
| %CustomEditor("ORL.ShaderInspector.InspectorGUI") | ||
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| %Includes() | ||
| { | ||
| "@/Shaders/ORL Standard", | ||
| "/Packages/com.lackofbindings.orlmodules/Runtime/Modules/GrabGradientMap", | ||
| "self" | ||
| } | ||
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| %ShaderTags() | ||
| { | ||
| "Queue" = "Transparent" | ||
| "IgnoreProjector" = "True" | ||
| "RenderType" = "Opaque" | ||
| } |
56 changes: 56 additions & 0 deletions
56
...es/com.lackofbindings.orlmodules/Runtime/Shaders/ORL Standard Gradient Map.orlshader.meta
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