text: /**
   * @author alteredq / http://alteredqualia.com/
   */
  
  THREE.RenderPass = function ( scene, camera, overrideMaterial, clearColor, clearAlpha ) {
  
      this.scene = scene;
      this.camera = camera;
  
      this.overrideMaterial = overrideMaterial;
  
      this.clearColor = clearColor;
      this.clearAlpha = ( clearAlpha !== undefined ) ? clearAlpha : 1;
  
      this.oldClearColor = new THREE.Color();
      this.oldClearAlpha = 1;
  
      this.enabled = true;
      this.clear = true;
      this.needsSwap = false;
  
  };
  
  THREE.RenderPass.prototype = {
  
      render: function ( renderer, writeBuffer, readBuffer, delta ) {
  
          this.scene.overrideMaterial = this.overrideMaterial;
  
          if ( this.clearColor ) {
  
              this.oldClearColor.copy( renderer.getClearColor() );
              this.oldClearAlpha = renderer.getClearAlpha();
  
              renderer.setClearColor( this.clearColor, this.clearAlpha );
  
          }
  
          renderer.render( this.scene, this.camera, readBuffer, this.clear );
  
          if ( this.clearColor ) {
  
              renderer.setClearColor( this.oldClearColor, this.oldClearAlpha );
  
          }
  
          this.scene.overrideMaterial = null;
  
      }
  
  };