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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 | //This file is automatically rebuilt by the Cesium build process.
export default "/**\n\
* Converts an HSB color (hue, saturation, brightness) to RGB\n\
* HSB <-> RGB conversion with minimal branching: {@link http://lolengine.net/blog/2013/07/27/rgb-to-hsv-in-glsl}\n\
*\n\
* @name czm_HSBToRGB\n\
* @glslFunction\n\
* \n\
* @param {vec3} hsb The color in HSB.\n\
*\n\
* @returns {vec3} The color in RGB.\n\
*\n\
* @example\n\
* vec3 hsb = czm_RGBToHSB(rgb);\n\
* hsb.z *= 0.1;\n\
* rgb = czm_HSBToRGB(hsb);\n\
*/\n\
\n\
const vec4 K_HSB2RGB = vec4(1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0);\n\
\n\
vec3 czm_HSBToRGB(vec3 hsb)\n\
{\n\
vec3 p = abs(fract(hsb.xxx + K_HSB2RGB.xyz) * 6.0 - K_HSB2RGB.www);\n\
return hsb.z * mix(K_HSB2RGB.xxx, clamp(p - K_HSB2RGB.xxx, 0.0, 1.0), hsb.y);\n\
}\n\
";
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