1.3 KiB
1.3 KiB
glsl-util
utility functions of glsl.
these functions are dependent by glslify.
install
yarn add @ykob/glsl-util
usage
convertHsvToRgb(vec3 hsv)
convert HSV to RGB.
http://lolengine.net/blog/2013/07/27/rgb-to-hsv-in-glsl
#pragma glslify: convertHsvToRgb = require(glsl-util/src/convertHsvToRgb);
convertRgbToHsv(vec3 rgb)
convert RGB to HSV.
http://lolengine.net/blog/2013/07/27/rgb-to-hsv-in-glsl
#pragma glslify: convertRgbToHsv = require(glsl-util/src/convertRgbToHsv);
random(vec2 p)
calculate white noise.
#pragma glslify: random = require(glsl-util/src/random);
polar(float radian1, float radian2, float radius)
calculate polar coordinates.
#pragma glslify: polar = require(glsl-util/src/polar);
gaussianBlur(sampler2D texture, vec2 uv, float radius, vec2 resolution, vec2 direction)
calculate the Gaussian blur.
#pragma glslify: gaussianBlur = require(glsl-util/src/gaussianBlur);
lookAt(vec3 base, vec3 p1, vec3 p2, vec3 up)
rotate a vector in any direction.
#pragma glslify: lookAt = require(glsl-util/src/lookAt);
rotateAxisAngle(vec3 p, vec3 axis, float angle)
rotate a vector by any axis and angle.
#pragma glslify: rotateAxisAngle = require(glsl-util/src/rotateAxisAngle);