17 lines
No EOL
410 B
HLSL
17 lines
No EOL
410 B
HLSL
/*
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contributors: Inigo Quiles
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description: generate the SDF of a hexagonal prism
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use: <float> hexPrismSDF( in <float3> pos, in <float2> h )
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*/
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#ifndef FNC_HEXPRISMSDF
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#define FNC_HEXPRISMSDF
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float hexPrismSDF( float3 p, float2 h ) {
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float3 q = abs(p);
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float d1 = q.z-h.y;
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float d2 = max((q.x*0.866025+q.y*0.5),q.y)-h.x;
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return length(max(float2(d1,d2),0.0)) + min(max(d1,d2), 0.);
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}
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#endif |