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63 行
2.3 KiB
63 行
2.3 KiB
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//-------------------------------------------------------------------------------------
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// Fill SurfaceData/Builtin data function
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//-------------------------------------------------------------------------------------
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void GetSurfaceAndBuiltinData(FragInputs input, float3 V, inout PositionInputs posInput, out SurfaceData surfaceData, out BuiltinData builtinData)
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{
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surfaceData.color = SAMPLE_TEXTURE2D(_ColorMap, sampler_ColorMap, input.texCoord0).rgb * _Color.rgb;
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float alpha = SAMPLE_TEXTURE2D(_ColorMap, sampler_ColorMap, input.texCoord0).a * _Color.a;
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#ifdef _ALPHATEST_ON
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clip(alpha - _AlphaCutoff);
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#endif
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// Builtin Data
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builtinData.opacity = alpha;
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builtinData.bakeDiffuseLighting = float3(0.0, 0.0, 0.0);
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// Emissive Intensity is only use here, but is part of BuiltinData to enforce UI parameters as we want the users to fill one color and one intensity
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builtinData.emissiveIntensity = _EmissiveIntensity;
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#ifdef _EMISSIVE_COLOR_MAP
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builtinData.emissiveColor = SAMPLE_TEXTURE2D(_EmissiveColorMap, sampler_EmissiveColorMap, input.texCoord0).rgb * _EmissiveColor * builtinData.emissiveIntensity;
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#else
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builtinData.emissiveColor = _EmissiveColor * builtinData.emissiveIntensity;
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#endif
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builtinData.velocity = float2(0.0, 0.0);
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#ifdef _DISTORTION_ON
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float3 distortion = SAMPLE_TEXTURE2D(_DistortionVectorMap, sampler_DistortionVectorMap, input.texCoord0).rgb;
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builtinData.distortion = distortion.rg;
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builtinData.distortionBlur = distortion.b;
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#else
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builtinData.distortion = float2(0.0, 0.0);
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builtinData.distortionBlur = 0.0;
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#endif
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builtinData.depthOffset = 0.0;
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}
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#ifdef TESSELLATION_ON
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float4 TessellationEdge(float3 p0, float3 p1, float3 p2, float3 n0, float3 n1, float3 n2)
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{
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return DistanceBasedTess(p0, p1, p2, 0.0, _TessellationFactorMaxDistance, unity_ObjectToWorld, _WorldSpaceCameraPos) * _TessellationFactorFixed.xxxx;
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}
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void Displacement(inout Attributes v)
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{
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#ifdef _HEIGHTMAP
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float height = (SAMPLE_TEXTURE2D_LOD(ADD_ZERO_IDX(_HeightMap), ADD_ZERO_IDX(sampler_HeightMap), v.uv0, 0).r - ADD_ZERO_IDX(_HeightCenter)) * ADD_IDX(_HeightAmplitude);
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#else
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float height = 0.0;
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#endif
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#if (SHADERPASS != SHADERPASS_VELOCITY) && (SHADERPASS != SHADERPASS_DISTORTION)
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v.positionOS.xyz += height * v.normalOS;
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#endif
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}
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#endif
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