22 lines
No EOL
900 B
Text
22 lines
No EOL
900 B
Text
#include "saturate.cuh"
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#include "operations.cuh"
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/*
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contributors: Patricio Gonzalez Vivo
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description: bump in a range between -1 and 1
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use: <float|float3> bump(<float|float3> x [, <float|float3> k])
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license:
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- Copyright (c) 2021 Patricio Gonzalez Vivo under Prosperity License - https://prosperitylicense.com/versions/3.0.0
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- Copyright (c) 2021 Patricio Gonzalez Vivo under Patron License - https://lygia.xyz/license
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*/
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#ifndef FNC_BUMP
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#define FNC_BUMP
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inline __host__ __device__ float bump(const float x) { return max(1.0f - x * x, 0.0f); }
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inline __host__ __device__ float bump(float x, float k){ return clamp( (1.0 - x * x) - k, 0.0f, 1.0f); }
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inline __host__ __device__ float3 bump(const float3& x) { return max(make_float3(1.0f) - x * x, make_float3(0.0f)); }
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inline __host__ __device__ float3 bump(const float3& x, const float3& k){ return saturate( (1.0f - x * x) - k); }
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#endif |