Dan
4 年前
当前提交
2b5ce8db
共有 12 个文件被更改，包括 271 次插入 和 106 次删除
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97Assets/Shaders/Prefabs/CoffeeMaker.prefab
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14Assets/Shaders/Scripts/CameraGrainURP.cs
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74Assets/Shaders/Shadows/BlurredShadowPlane.shadergraph
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107Assets/Shaders/Shadows/BlurredShadowPlaneLighting.hlsl
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3Assets/Shaders/Shadows/Materials/Blue.mat
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3Assets/Shaders/Shadows/Materials/Orange.mat
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3Assets/Shaders/Shadows/Materials/Red.mat
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6Assets/Shaders/Shadows/Materials/ShadowMat.mat
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52Assets/Shaders/Shadows/Scenes/ShadowPlacement.unity
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14Assets/UX/Scripts/PlaceObjectsOnPlane.cs
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2ProjectSettings/QualitySettings.asset
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2ProjectSettings/URPProjectSettings.asset
74
Assets/Shaders/Shadows/BlurredShadowPlane.shadergraph
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#ifndef SHADERGRAPH_PREVIEW |
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real SampleShadowmapDirect(TEXTURE2D_SHADOW_PARAM(ShadowMap, sampler_ShadowMap), SamplerState PointClamp, float4 shadowCoord, ShadowSamplingData samplingData, half4 shadowParams, bool isPerspectiveProjection = true) |
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{ |
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// Compiler will optimize this branch away as long as isPerspectiveProjection is known at compile time |
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if (isPerspectiveProjection) |
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shadowCoord.xyz /= shadowCoord.w; |
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real distance; |
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real shadowStrength = shadowParams.x; |
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distance = SAMPLE_TEXTURE2D_LOD(ShadowMap, PointClamp, shadowCoord.xy, 0); |
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// Shadow coords that fall out of the light frustum volume must always return attenuation 1.0 |
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// TODO: We could use branch here to save some perf on some platforms. |
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return BEYOND_SHADOW_FAR(shadowCoord) ? 1.0 : distance; |
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} |
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#endif |
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void MainLightBlurShadow_half(half RandSeed, half FadeTightness, SamplerState PointClamp, half BlurRadius, half3 WorldPos, out half3 Direction, out half3 Color, out half DistanceAtten, out half ShadowAtten) |
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{ |
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#if SHADERGRAPH_PREVIEW |
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Direction = half3(0.5, 0.5, 0); |
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Color = 1; |
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DistanceAtten = 1; |
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ShadowAtten = 1; |
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#else |
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Light mainLight = GetMainLight(); |
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Direction = mainLight.direction; |
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Color = mainLight.color; |
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DistanceAtten = mainLight.distanceAttenuation; |
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ShadowAtten = 1; |
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ShadowSamplingData shadowSamplingData = GetMainLightShadowSamplingData(); |
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half4 shadowParams = GetMainLightShadowParams(); |
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for (int i = 1; i < 41; i++) |
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{ |
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half3 newWorldPos = WorldPos + half3(sin(RandSeed + i), 0, cos(RandSeed + i)) * i * 0.025 * BlurRadius; |
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#if SHADOWS_SCREEN |
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half4 clipPos = TransformWorldToHClip(newWorldPos); |
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half4 shadowCoord = ComputeScreenPos(clipPos); |
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#else |
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half4 shadowCoord = TransformWorldToShadowCoord(newWorldPos); |
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#endif |
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//mainLight = GetMainLight(shadowCoord); |
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float shadowMapSample = SampleShadowmapDirect(TEXTURE2D_ARGS(_MainLightShadowmapTexture, sampler_MainLightShadowmapTexture), PointClamp, shadowCoord, shadowSamplingData, shadowParams, false); |
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float shadowCoordPos = shadowCoord.z; |
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float shadowMapPos = shadowMapSample; |
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float fade = ((shadowMapPos - shadowCoordPos) * FadeTightness); |
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float onedivfade = 1 / min(fade, 0.7); |
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ShadowAtten -= step(shadowCoord.z, shadowMapSample) * 0.0025 * lerp(max((41 - i* onedivfade)*onedivfade,0), i, saturate(fade));// *(1 - saturate(fade / 3)); |
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ShadowAtten = saturate(ShadowAtten); |
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} |
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#endif |
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} |
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real SampleShadowmapDirect(TEXTURE2D_SHADOW_PARAM(ShadowMap, sampler_ShadowMap), SamplerState PointClamp, float4 shadowCoord, ShadowSamplingData samplingData, half4 shadowParams, bool isPerspectiveProjection = true) |
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{ |
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// Compiler will optimize this branch away as long as isPerspectiveProjection is known at compile time |
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if (isPerspectiveProjection) |
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shadowCoord.xyz /= shadowCoord.w; |
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real distance; |
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real shadowStrength = shadowParams.x; |
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distance = SAMPLE_TEXTURE2D_LOD(ShadowMap, PointClamp, shadowCoord.xy, 0); |
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// Shadow coords that fall out of the light frustum volume must always return attenuation 1.0 |
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// TODO: We could use branch here to save some perf on some platforms. |
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return BEYOND_SHADOW_FAR(shadowCoord) ? 1.0 : distance; |
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} |
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#endif |
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void MainLightBlurShadow_half(half RandSeed, half FadeTightness, SamplerState PointClamp, half BlurRadius, half3 WorldPos, out half3 Direction, out half3 Color, out half DistanceAtten, out half ShadowAtten) |
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{ |
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#if SHADERGRAPH_PREVIEW |
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Direction = half3(0.5, 0.5, 0); |
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Color = 1; |
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DistanceAtten = 1; |
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ShadowAtten = 1; |
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#else |
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Light mainLight = GetMainLight(); |
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Direction = mainLight.direction; |
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Color = mainLight.color; |
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DistanceAtten = mainLight.distanceAttenuation; |
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ShadowAtten = 1; |
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ShadowSamplingData shadowSamplingData = GetMainLightShadowSamplingData(); |
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half4 shadowParams = GetMainLightShadowParams(); |
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for (int i = 1; i < 41; i++) |
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{ |
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half3 newWorldPos = WorldPos + half3(sin(RandSeed + i), 0, cos(RandSeed + i)) * i * 0.025 * BlurRadius; |
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#if SHADOWS_SCREEN |
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half4 clipPos = TransformWorldToHClip(newWorldPos); |
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half4 shadowCoord = ComputeScreenPos(clipPos); |
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#else |
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half4 shadowCoord = TransformWorldToShadowCoord(newWorldPos); |
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#endif |
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//mainLight = GetMainLight(shadowCoord); |
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float shadowMapSample = SampleShadowmapDirect(TEXTURE2D_ARGS(_MainLightShadowmapTexture, sampler_MainLightShadowmapTexture), PointClamp, shadowCoord, shadowSamplingData, shadowParams, false); |
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float shadowCoordPos = shadowCoord.z; |
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float shadowMapPos = shadowMapSample; |
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float fade = ((shadowMapPos - shadowCoordPos) * FadeTightness); |
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float onedivfade = 1 / min(fade, 0.7); |
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ShadowAtten -= step(shadowCoord.z, shadowMapSample) * 0.0025 * lerp(max((41 - i* onedivfade)*onedivfade,0), i, saturate(fade));// *(1 - saturate(fade / 3)); |
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ShadowAtten = saturate(ShadowAtten); |
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} |
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#endif |
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} |
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