Turanszki Janos
31 lines
701 B
HLSL
31 lines
701 B
HLSL
#include "globals.hlsli"
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#include "raytracingHF.hlsli"
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float4 main(float4 pos : SV_POSITION, float2 clipspace : TEXCOORD) : SV_Target
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{
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Ray ray = CreateCameraRay(clipspace);
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uint hitCount = TraceRay_DebugBVH(ray);
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if (hitCount == 0xFFFFFFFF)
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{
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return float4(1, 0, 1, 1); // error: stack overflow (purple)
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}
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const float3 mapTex[] = {
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float3(0,0,0),
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float3(0,0,1),
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float3(0,1,1),
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float3(0,1,0),
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float3(1,1,0),
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float3(1,0,0),
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};
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const uint mapTexLen = 5;
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const uint maxHeat = 100;
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float l = saturate((float)hitCount / maxHeat) * mapTexLen;
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float3 a = mapTex[floor(l)];
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float3 b = mapTex[ceil(l)];
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float4 heatmap = float4(lerp(a, b, l - floor(l)), 0.8f);
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return heatmap;
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} |