text: import { Color } from '../math/Color.js';
  
  /**
   * @author mrdoob / http://mrdoob.com/
   * @author alteredq / http://alteredqualia.com/
   */
  
  function FogExp2( color, density ) {
  
  	this.name = '';
  
  	this.color = new Color( color );
  	this.density = ( density !== undefined ) ? density : 0.00025;
  
  }
  
  FogExp2.prototype.isFogExp2 = true;
  
  FogExp2.prototype.clone = function () {
  
  	return new FogExp2( this.color, this.density );
  
  };
  
  FogExp2.prototype.toJSON = function ( /* meta */ ) {
  
  	return {
  		type: 'FogExp2',
  		color: this.color.getHex(),
  		density: this.density
  	};
  
  };
  
  export { FogExp2 };
  