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.SepiaShader = mod.exports;
  }
})(typeof globalThis !== "undefined" ? globalThis : typeof self !== "undefined" ? self : this, function (_exports) {
  "use strict";

  Object.defineProperty(_exports, "__esModule", {
    value: true
  });
  _exports.SepiaShader = void 0;

  /**
   * Sepia tone shader
   * based on glfx.js sepia shader
   * https://github.com/evanw/glfx.js
   */
  var SepiaShader = {
    uniforms: {
      'tDiffuse': {
        value: null
      },
      'amount': {
        value: 1.0
      }
    },
    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 float amount;\n\n\t\tuniform sampler2D tDiffuse;\n\n\t\tvarying vec2 vUv;\n\n\t\tvoid main() {\n\n\t\t\tvec4 color = texture2D( tDiffuse, vUv );\n\t\t\tvec3 c = color.rgb;\n\n\t\t\tcolor.r = dot( c, vec3( 1.0 - 0.607 * amount, 0.769 * amount, 0.189 * amount ) );\n\t\t\tcolor.g = dot( c, vec3( 0.349 * amount, 1.0 - 0.314 * amount, 0.168 * amount ) );\n\t\t\tcolor.b = dot( c, vec3( 0.272 * amount, 0.534 * amount, 1.0 - 0.869 * amount ) );\n\n\t\t\tgl_FragColor = vec4( min( vec3( 1.0 ), color.rgb ), color.a );\n\n\t\t}"
  };
  _exports.SepiaShader = SepiaShader;
});

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
opal-js_wrap-three-0.1.5	lib-opal/js_wrap/three/shaders/SepiaShader.js
opal-js_wrap-three-0.1.4	lib-opal/js_wrap/three/shaders/SepiaShader.js
opal-js_wrap-three-0.1.3	lib-opal/js_wrap/three/shaders/SepiaShader.js
opal-js_wrap-three-0.1.2	lib-opal/js_wrap/three/shaders/SepiaShader.js