wehub-resource-sync
57 lines
1.6 KiB
HLSL
57 lines
1.6 KiB
HLSL
#include "shared/hash-functions.hlsl"
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#include "shared/noise-functions.hlsl"
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#include "shared/point.hlsl"
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#include "shared/quat-functions.hlsl"
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cbuffer Params : register(b0)
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{
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float A;
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float B;
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float C;
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float MagnitudeA;
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float FreqA;
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float LineLength;
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}
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StructuredBuffer<LegacyPoint> SourcePoints : t0;
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Texture2D<float4> FxTexture : register(t1);
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RWStructuredBuffer<LegacyPoint> ResultPoints : u0;
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sampler texSampler : register(s0);
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[numthreads(64,1,1)]
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void main(uint3 i : SV_DispatchThreadID)
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{
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// uint numStructs, stride;
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// SourcePoints.GetDimensions(numStructs, stride);
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// if(i.x >= numStructs) {
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// return;
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// }
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int lineLength = (int)LineLength;
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int lineIndex = i.x;
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int lineStartPointIndex = lineIndex * lineLength;
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float3 pos = SourcePoints[lineStartPointIndex].Position;
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for(int pointOnLineIndex = 0; pointOnLineIndex < lineLength; pointOnLineIndex++)
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{
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int pointIndex = pointOnLineIndex + lineStartPointIndex;
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float normalizedPositionOnLine = pointOnLineIndex / LineLength;
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float4 fx = FxTexture.SampleLevel(texSampler, float2(normalizedPositionOnLine,0.5), 0 );
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float phase = lineIndex * B;
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float3 sinOffset = float3(
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sin( pointOnLineIndex * C + phase) * fx.r,
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cos (pointOnLineIndex * C + phase) * fx.g,
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0 ) * MagnitudeA;
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ResultPoints[pointIndex].Position = pos + sinOffset + float3(0.1,0,0);
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pos += float3(0,A/LineLength,0);
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ResultPoints[pointIndex].Rotation = SourcePoints[pointIndex].Rotation;
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ResultPoints[pointIndex].W = SourcePoints[pointIndex].W;
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}
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}
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