44 lines
707 B
Markdown
44 lines
707 B
Markdown
# glsl-util
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utility functions for glsl.
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## install
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```
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npm i git://github.com/ykob/glsl-util.git
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```
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## convertHsvToRgb and convertRgbToHsv
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this function converts RGB to HSV. or is its opposite.
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### Quote source
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http://lolengine.net/blog/2013/07/27/rgb-to-hsv-in-glsl
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### usage
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```
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#pragma glslify: convertHsvToRgb = require(glsl-util/convertHsvToRgb);
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#pragma glslify: convertRgbToHsv = require(glsl-util/convertRgbToHsv);
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```
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## random
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### usage
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```
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#pragma glslify: random = require(glsl-util/random);
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```
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## polar
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this function calculates polar coordinates.
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### usage
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```
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#pragma glslify: polar = require(glsl-util/polar);
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vec3 p = polar(float radian1, float radian2, float radius);
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```
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