Sha256: f26a3a3960eb1665942ca2698565b58805b21a52c36f1f37cbbff9a6a8bd49b9
Contents?: true
Size: 1.69 KB
Versions: 4
Compression:
Stored size: 1.69 KB
Contents
(function (global, factory) {
if (typeof define === "function" && define.amd) {
define(["exports"], factory);
} else if (typeof exports !== "undefined") {
factory(exports);
} else {
var mod = {
exports: {}
};
factory(mod.exports);
global.RGBShiftShader = mod.exports;
}
})(typeof globalThis !== "undefined" ? globalThis : typeof self !== "undefined" ? self : this, function (_exports) {
"use strict";
Object.defineProperty(_exports, "__esModule", {
value: true
});
_exports.RGBShiftShader = void 0;
/**
* RGB Shift Shader
* Shifts red and blue channels from center in opposite directions
* Ported from http://kriss.cx/tom/2009/05/rgb-shift/
* by Tom Butterworth / http://kriss.cx/tom/
*
* amount: shift distance (1 is width of input)
* angle: shift angle in radians
*/
var RGBShiftShader = {
uniforms: {
'tDiffuse': {
value: null
},
'amount': {
value: 0.005
},
'angle': {
value: 0.0
}
},
vertexShader:
/* glsl */
"\n\n\t\tvarying vec2 vUv;\n\n\t\tvoid main() {\n\n\t\t\tvUv = uv;\n\t\t\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n\n\t\t}",
fragmentShader:
/* glsl */
"\n\n\t\tuniform sampler2D tDiffuse;\n\t\tuniform float amount;\n\t\tuniform float angle;\n\n\t\tvarying vec2 vUv;\n\n\t\tvoid main() {\n\n\t\t\tvec2 offset = amount * vec2( cos(angle), sin(angle));\n\t\t\tvec4 cr = texture2D(tDiffuse, vUv + offset);\n\t\t\tvec4 cga = texture2D(tDiffuse, vUv);\n\t\t\tvec4 cb = texture2D(tDiffuse, vUv - offset);\n\t\t\tgl_FragColor = vec4(cr.r, cga.g, cb.b, cga.a);\n\n\t\t}"
};
_exports.RGBShiftShader = RGBShiftShader;
});
Version data entries
4 entries across 4 versions & 1 rubygems