LYGIA Shader Library

hue2rgb (lygia/color/space/hue2rgb)

Converts a hue value to a RGB vec3 color.

Dependencies:

Use:

<vec3> hue2rgb(<float> hue)

Check it on Github



#ifndef FNC_HUE2RGB
#define FNC_HUE2RGB
vec3 hue2rgb(const in float hue) {
    float R = abs(hue * 6.0 - 3.0) - 1.0;
    float G = 2.0 - abs(hue * 6.0 - 2.0);
    float B = 2.0 - abs(hue * 6.0 - 4.0);
    return saturate(vec3(R,G,B));
}
#endif

Use:

<float3> hue2rgb(<float> hue)

Check it on Github


#ifndef FNC_HUE2RGB
#define FNC_HUE2RGB
float3 hue2rgb(float hue) {
    float R = abs(hue * 6.0 - 3.0) - 1.0;
    float G = 2.0 - abs(hue * 6.0 - 2.0);
    float B = 2.0 - abs(hue * 6.0 - 4.0);
    return saturate(float3(R,G,B));
}
#endif

Check it on Github


fn hue2rgb(hue: f32) -> vec3f {
    let R = abs(hue * 6.0 - 3.0) - 1.0;
    let G = 2.0 - abs(hue * 6.0 - 2.0);
    let B = 2.0 - abs(hue * 6.0 - 4.0);
    return saturate(vec3f(R,G,B));
}

Licenses

LYGIA is dual-licensed under the Prosperity License and the Patron License for sponsors and contributors.

Sponsors and contributors are automatically added to the Patron License and they can ignore the any non-commercial rule of the Prosperity Licensed software (please take a look to the exception).

It's also possible to get a permanent comercial license hook to a single and specific version of LYGIA.

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