tooll3--t3
wehub-resource-sync
94 行
2.4 KiB
HLSL
94 行
2.4 KiB
HLSL
//#include "shared/hash-functions.hlsl"
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#include "shared/point.hlsl"
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#include "shared/quat-functions.hlsl"
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cbuffer ParamConstants : register(b0)
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{
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float DiffusionRateA;
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float DiffusionRateB;
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float FeedRate;
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float KillRate;
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float ReactionSpeed;
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}
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cbuffer TimeConstants : register(b1)
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{
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float globalTime;
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float time;
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float runTime;
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float beatTime;
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}
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cbuffer Resolution : register(b2)
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{
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float TargetWidth;
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float TargetHeight;
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}
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struct vsOutput
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{
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float4 position : SV_POSITION;
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float2 texCoord : TEXCOORD;
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};
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Texture2D<float4> ImageInput : register(t0);
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Texture2D<float4> FxInput : register(t1);
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sampler texSampler : register(s0);
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// float IsBetween( float value, float low, float high) {
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// return (value >= low && value <= high) ? 1:0;
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// }
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float3 laplacian(in float2 uv, in float2 texelSize) {
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float3 rg = float3(0, 0, 0);
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rg += ImageInput.Sample(texSampler, uv + float2(-1, -1)*texelSize,0).rgb * 0.05;
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rg += ImageInput.Sample(texSampler, uv + float2(-0, -1)*texelSize).rgb * 0.2;
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rg += ImageInput.Sample(texSampler, uv + float2(1, -1)*texelSize).rgb * 0.05;
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rg += ImageInput.Sample(texSampler, uv + float2(-1, 0)*texelSize).rgb * 0.2;
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rg += ImageInput.Sample(texSampler, uv + float2(0, 0)*texelSize).rgb * -1;
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rg += ImageInput.Sample(texSampler, uv + float2(1, 0)*texelSize).rgb * 0.2;
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rg += ImageInput.Sample(texSampler, uv + float2(-1, 1)*texelSize).rgb * 0.05;
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rg += ImageInput.Sample(texSampler, uv + float2(0, 1)*texelSize).rgb * 0.2;
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rg += ImageInput.Sample(texSampler, uv + float2(1, 1)*texelSize).rgb * 0.05;
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return rg;
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}
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float4 psMain(vsOutput psInput) : SV_TARGET
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{
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float2 pos = psInput.texCoord;
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//pos += float2(0,0.001);
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float4 col = ImageInput.Sample(texSampler, pos);
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float a = col.r;
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float b = col.g;
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float height, width;
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ImageInput.GetDimensions( width, height);
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float2 texelSize = 1/float2(width,height) * 2.4;
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//return col;
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//return ImageInput.Sample(texSampler, pos + float2(0,0.01)) *0.0001;
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float4 fx = FxInput.Sample(texSampler,pos);
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float3 lp = laplacian(pos, texelSize);
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float feed = FeedRate * fx.r;
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float kill = KillRate * fx.g;
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float a2 = a + (DiffusionRateA * lp.x - a*b*b + feed*(1 - a)) * ReactionSpeed;
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float b2 = b + (DiffusionRateB * lp.y + a*b*b - (kill + feed)*b) * ReactionSpeed;
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col.r=saturate(a2);
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col.g=saturate(b2);
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col.b=0;
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col.a=1;
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return col;
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} |