TexturedCubeMap.js

var glu = require('pex-glu');
var color = require('pex-color');
var sys = require('pex-sys');
var Context = glu.Context;
var Material = glu.Material;
var Program = glu.Program;
var Color = color.Color;
var merge = require('merge');
var fs = require('fs');
var Platform = sys.Platform;

var TexturedCubeMapGLSL = fs.readFileSync(__dirname + '/TexturedCubeMap.glsl', 'utf8');

function TexturedCubeMap(uniforms) {
  this.gl = Context.currentContext;
  if (Platform.isBrowser) {
    this.lodExt = this.gl.getExtension('EXT_shader_texture_lod');
    if (this.lodExt) {
      TexturedCubeMapGLSL = '#define LOD_ENABLED 1\n' + TexturedCubeMapGLSL;
      TexturedCubeMapGLSL = '#define WEBGL 1\n' + TexturedCubeMapGLSL;
      TexturedCubeMapGLSL = '#define textureCubeLod textureCubeLodEXT\n' + TexturedCubeMapGLSL;
    }
  }
  else {
    TexturedCubeMapGLSL = '#define LOD_ENABLED 1\n' + TexturedCubeMapGLSL;
  }
  var program = new Program(TexturedCubeMapGLSL);
  var defaults = {
    lod: -1
  };
  uniforms = merge(defaults, uniforms);
  Material.call(this, program, uniforms);
}

TexturedCubeMap.prototype = Object.create(Material.prototype);

module.exports = TexturedCubeMap;