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poisson sampled soft shadows

pull/2/head
cosmonaut 2020-09-20 22:41:36 -07:00
parent 7e82f2f32e
commit a341d3ba93
3 changed files with 4 additions and 4 deletions
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BIN
Effects/FXB/DeferredPBR_DirectionalLightEffect.fxb
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4
Effects/HLSL/DeferredPBR_DirectionalLightEffect.fx
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@ -94,9 +94,9 @@ float PoissonCoord(sampler shadowMap, float3 worldPosition, float2 texCoord, flo
{ {
int index = int(16.0 * random(floor(worldPosition * 1000.0), i)) % 16; int index = int(16.0 * random(floor(worldPosition * 1000.0), i)) % 16;
if (tex2D(shadowMap, texCoord + poissonDisk[i] / 700.0).r < fragmentDepth - bias) if (tex2D(shadowMap, texCoord + poissonDisk[index] / 1024.0).r < fragmentDepth - bias)
{ {
visibility -= 0.2; visibility -= 0.05;
} }
} }

2
Renderer.cs
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@ -256,7 +256,7 @@ namespace Kav
var previousFarPlane = camera.NearPlane; var previousFarPlane = camera.NearPlane;
for (var i = 0; i < NumShadowCascades; i++) for (var i = 0; i < NumShadowCascades; i++)
{ {
var farPlane = camera.FarPlane / (MathHelper.Max((NumShadowCascades - i - 1) * 5f, 1f)); var farPlane = camera.FarPlane / (MathHelper.Max((NumShadowCascades - i - 1) * 2f, 1f));
// divide the view frustum // divide the view frustum
var shadowCamera = new PerspectiveCamera( var shadowCamera = new PerspectiveCamera(