29 lines
633 B
HLSL
29 lines
633 B
HLSL
#include "../math/mod.hlsl"
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/*
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contributors: Inigo Quiles
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description: repite operation of one 2D SDFs
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use: <float4> opElongate( in <float3> p, in <float3> h )
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*/
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#ifndef FNC_OPREPEAT
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#define FNC_OPREPEAT
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float2 opRepeat( in float2 p, in float s ) {
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return mod(p+s*0.5,s)-s*0.5;
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}
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float3 opRepeat( in float3 p, in float3 c ) {
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return mod(p+0.5*c,c)-0.5*c;
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}
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float2 opRepeat( in float2 p, in float2 lima, in float2 limb, in float s ) {
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return p-s*clamp(floor(p/s), lima, limb);
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}
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float3 opRepeat( in float3 p, in float3 lima, in float3 limb, in float s ) {
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return p-s*clamp(floor(p/s), lima, limb);
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}
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#endif
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