wehub-resource-sync
71 lines
1.4 KiB
HLSL
71 lines
1.4 KiB
HLSL
cbuffer ParamConstants : register(b0)
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{
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float4 Fill;
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float4 Background;
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float4 LineColor;
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float2 Center;
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float Width;
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float Rotation;
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float LineThickness;
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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 TimeConstants : 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> ImageA : register(t0);
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sampler texSampler : register(s0);
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float4 psMain(vsOutput psInput) : SV_TARGET
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{
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float aspectRatio = TargetWidth/TargetHeight;
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float2 p = psInput.texCoord;
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p.x /= aspectRatio;
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p -= float2(0.5 / aspectRatio, 0.5);
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// Show Center
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// if( length(p - Center) < 0.01) {
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// return float4(1,1,0,1);
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// }
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float radians = Rotation / 180 *3.141578;
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float2 angle = float2(sin(radians),cos(radians));
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float dist= dot(p-Center, angle) / Width;
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if(dist < 0) {
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dist = -dist;
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angle *= -1;
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}
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float4 colorEffect = Fill;
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if(dist > 1 ) {
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p -= (dist - 1) * Width * angle;
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colorEffect = Background;
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}
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p += float2(0.5 / aspectRatio, 0.5);
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p.x *= aspectRatio;
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float line2= smoothstep(1,0, abs(1-dist)*1000*Width-LineThickness+1);
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colorEffect = lerp(colorEffect, LineColor, line2);
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return ImageA.Sample(texSampler, p) * colorEffect;
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} |