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| author | tylermurphy534 <tylermurphy534@gmail.com> | 2022-11-06 15:12:42 -0500 |
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| committer | tylermurphy534 <tylermurphy534@gmail.com> | 2022-11-06 15:12:42 -0500 |
| commit | eb84bb298d2b95aec7b2ae12cbf25ac64f25379a (patch) | |
| tree | efd616a157df06ab661c6d56651853431ac6b08b /VRCSDK3AvatarsLegacy/Assets/_PoiyomiShaders/Shaders/Includes/CGI_PoiWireframe.cginc | |
| download | unityprojects-eb84bb298d2b95aec7b2ae12cbf25ac64f25379a.tar.gz unityprojects-eb84bb298d2b95aec7b2ae12cbf25ac64f25379a.tar.bz2 unityprojects-eb84bb298d2b95aec7b2ae12cbf25ac64f25379a.zip | |
move to self host
Diffstat (limited to 'VRCSDK3AvatarsLegacy/Assets/_PoiyomiShaders/Shaders/Includes/CGI_PoiWireframe.cginc')
| -rw-r--r-- | VRCSDK3AvatarsLegacy/Assets/_PoiyomiShaders/Shaders/Includes/CGI_PoiWireframe.cginc | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/VRCSDK3AvatarsLegacy/Assets/_PoiyomiShaders/Shaders/Includes/CGI_PoiWireframe.cginc b/VRCSDK3AvatarsLegacy/Assets/_PoiyomiShaders/Shaders/Includes/CGI_PoiWireframe.cginc new file mode 100644 index 00000000..f8c75c53 --- /dev/null +++ b/VRCSDK3AvatarsLegacy/Assets/_PoiyomiShaders/Shaders/Includes/CGI_PoiWireframe.cginc @@ -0,0 +1,111 @@ +#ifndef POI_WIREFRAME + #define POI_WIREFRAME + + UNITY_DECLARE_TEX2D_NOSAMPLER(_WireframeTexture); float4 _WireframeTexture_ST; + float2 _WireframeTexturePan; + float _WireframeSmoothing; + float _WireframeThickness; + float4 _WireframeColor; + float _WireframeAlpha; + float _WireframeEnable; + float _WireframeWaveEnabled; + float _WireframeWaveDensity; + float _WireframeWaveSpeed; + float _WireframeEdgeOpacity; + float _WireframeFaceOpacity; + half _WireframeEmissionAlpha; + float _WireframeEmissionStrength; + float _WireframeQuad; + uint _WireframeUV; + + #ifndef POI_SHADOW + void applyWireframe(inout float3 wireframeEmission, inout float4 albedo) + { + UNITY_BRANCH + if (_WireframeEnable) + { + float4 colorMap = UNITY_SAMPLE_TEX2D_SAMPLER(_WireframeTexture, _MainTex, TRANSFORM_TEX(poiMesh.uv[_WireframeUV], _WireframeTexture) + _Time.x * _WireframeTexturePan); + float size = _WireframeThickness; + half3 width = abs(ddx(poiMesh.barycentricCoordinates)) + abs(ddy(poiMesh.barycentricCoordinates)); + half3 eF = smoothstep(0, width * size, poiMesh.barycentricCoordinates); + half minBary = size > 0 ? min(min(eF.x, eF.y), eF.z): 1; + + float4 wireframeColor = _WireframeColor * colorMap; + + albedo.a *= lerp(_WireframeEdgeOpacity, _WireframeFaceOpacity, minBary); + albedo.rgb = lerp(lerp(albedo.rgb, wireframeColor.rgb, wireframeColor.a), albedo.rgb, minBary); + wireframeEmission = wireframeColor.rgb * _WireframeEmissionStrength * (1 - minBary) * _WireframeColor.a; + } + } + + [maxvertexcount(3)] + void wireframeGeom(triangle v2f IN[3], inout TriangleStream < v2f > tristream) + { + UNITY_BRANCH + if(_WireframeQuad) + { + float e1 = length(IN[0].localPos - IN[1].localPos); + float e2 = length(IN[1].localPos - IN[2].localPos); + float e3 = length(IN[2].localPos - IN[0].localPos); + + float3 quad = 0; + if(e1 > e2 && e1 > e3) + quad.y = 1.; + else if(e2 > e3 && e2 > e1) + quad.x = 1; + else + quad.z = 1; + + IN[0].barycentricCoordinates = fixed3(1, 0, 0) + quad; + IN[1].barycentricCoordinates = fixed3(0, 0, 1) + quad; + IN[2].barycentricCoordinates = fixed3(0, 1, 0) + quad; + } + else + { + IN[0].barycentricCoordinates = fixed3(1, 0, 0); + IN[1].barycentricCoordinates = fixed3(0, 1, 0); + IN[2].barycentricCoordinates = fixed3(0, 0, 1); + } + + + + tristream.Append(IN[0]); + tristream.Append(IN[1]); + tristream.Append(IN[2]); + } + #else + + float applyShadowWireframe(float2 uv, float3 barycentricCoordinates, float3 normal, float3 worldPos) + { + UNITY_BRANCH + if(_WireframeEnable) + { + float wireframeFadeAlpha = _WireframeAlpha; + float3 finalWireframeColor = 0; + + float3 barys; + barys.xy = barycentricCoordinates; + barys.z = 1 - barys.x - barys.y; + float3 deltas = fwidth(barys); + float3 smoothing = deltas * _WireframeSmoothing; + float wireframeThickness = _WireframeThickness; + float3 thickness = deltas * wireframeThickness; + barys = smoothstep(thickness, thickness + smoothing, barys); + float minBary = min(barys.x, min(barys.y, barys.z)); + + return lerp(_WireframeEdgeOpacity, _WireframeFaceOpacity, minBary); + } + } + + [maxvertexcount(3)] + void wireframeGeom(triangle V2FShadow IN[3], inout TriangleStream < V2FShadow > tristream) + { + IN[0].barycentricCoordinates = fixed3(1, 0, 0); + IN[1].barycentricCoordinates = fixed3(0, 1, 0); + IN[2].barycentricCoordinates = fixed3(0, 0, 1); + tristream.Append(IN[0]); + tristream.Append(IN[1]); + tristream.Append(IN[2]); + } + #endif +#endif
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