text: /**
   * @author alteredq / http://alteredqualia.com/
   */
  
  THREE.FilmPass = function ( noiseIntensity, scanlinesIntensity, scanlinesCount, grayscale ) {
  
  	THREE.Pass.call( this );
  
  	if ( THREE.FilmShader === undefined )
  		console.error( "THREE.FilmPass relies on THREE.FilmShader" );
  
  	var shader = THREE.FilmShader;
  
  	this.uniforms = THREE.UniformsUtils.clone( shader.uniforms );
  
  	this.material = new THREE.ShaderMaterial( {
  
  		uniforms: this.uniforms,
  		vertexShader: shader.vertexShader,
  		fragmentShader: shader.fragmentShader
  
  	} );
  
  	if ( grayscale !== undefined )	this.uniforms.grayscale.value = grayscale;
  	if ( noiseIntensity !== undefined ) this.uniforms.nIntensity.value = noiseIntensity;
  	if ( scanlinesIntensity !== undefined ) this.uniforms.sIntensity.value = scanlinesIntensity;
  	if ( scanlinesCount !== undefined ) this.uniforms.sCount.value = scanlinesCount;
  
  	this.fsQuad = new THREE.Pass.FullScreenQuad( this.material );
  
  };
  
  THREE.FilmPass.prototype = Object.assign( Object.create( THREE.Pass.prototype ), {
  
  	constructor: THREE.FilmPass,
  
  	render: function ( renderer, writeBuffer, readBuffer, deltaTime /*, maskActive */ ) {
  
  		this.uniforms[ "tDiffuse" ].value = readBuffer.texture;
  		this.uniforms[ "time" ].value += deltaTime;
  
  		if ( this.renderToScreen ) {
  
  			renderer.setRenderTarget( null );
  			this.fsQuad.render( renderer );
  
  		} else {
  
  			renderer.setRenderTarget( writeBuffer );
  			if ( this.clear ) renderer.clear();
  			this.fsQuad.render( renderer );
  
  		}
  
  	}
  
  } );
  
  
  export default THREE.FilmPass;
  