9 lines
386 B
WebGPU Shading Language
9 lines
386 B
WebGPU Shading Language
/*
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contributors: Inigo Quiles
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description: inverse quartic polynomial https://iquilezles.org/articles/smoothsteps/
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*/
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fn invQuartic(v: f32) -> f32 { return sqrt(1.0-sqrt(1.0-v)); }
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fn invQuartic2(v: vec2f) -> vec2f { return sqrt(1.0-sqrt(1.0-v)); }
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fn invQuartic3(v: vec3f) -> vec3f { return sqrt(1.0-sqrt(1.0-v)); }
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fn invQuartic4(v: vec4f) -> vec4f { return sqrt(1.0-sqrt(1.0-v)); }
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