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Directional Light

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- Directional light
- Sponza sample scene
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max
2022-02-19 01:22:32 +01:00
parent e6dc2d2ca9
commit 1a04e8feef
67 changed files with 4703 additions and 671 deletions
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6
Assets/VolumetricFog/Shaders/Scatter.compute
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@ -2,15 +2,15 @@
// https://bartwronski.com/publications/
#pragma kernel CSMain
#define VOLUME_DEPTH 128.0
float3 _FroxelResolution;
Texture3D _VolumeInject;
RWTexture3D<float4> _VolumeScatter;
float4 ScatterStep(float3 accumulatedLight, float accumulatedTransmittance, float3 sliceLight, float sliceDensity)
{
sliceDensity = max(sliceDensity, 0.000001);
float sliceTransmittance = exp(-sliceDensity / VOLUME_DEPTH);
float sliceTransmittance = exp(-sliceDensity / _FroxelResolution.z);
// Seb Hillaire's improved transmission by calculating an integral over slice depth instead of
// constant per slice value. Light still constant per slice, but that's acceptable. See slide 28 of
@ -30,7 +30,7 @@ void CSMain (uint3 id : SV_DispatchThreadID)
// Store transmission in .a, as opposed to density in _VolumeInject
float4 accum = float4(0, 0, 0, 1);
uint3 pos = uint3(id.xy, 0);
uint steps = VOLUME_DEPTH;
uint steps = _FroxelResolution.z;
for(uint z = 0; z < steps; z++)
{