WebGLDeferredRenderer: made brightness parameter optional (default to 1).

examples/js/renderers/WebGLDeferredRenderer.js

@@ -14,8 +14,7 @@ THREE.WebGLDeferredRenderer = function ( parameters ) {
 	var scaledWidth = Math.floor( scale * width );
 	var scaledHeight = Math.floor( scale * height );
 
-	var brightness = parameters.brightness;
-
+	var brightness = parameters.brightness !== undefined ?  parameters.brightness : 1;
 	var antialias = parameters.antialias !== undefined ? parameters.antialias : false;
 
 	this.renderer = parameters.renderer;

examples/webgl_lights_deferred_pointlights.html

@@ -111,7 +111,7 @@
 
 				// renderer
 
-				renderer = new THREE.WebGLDeferredRenderer( { width: WIDTH, height: HEIGHT, scale: SCALE, brightness: 2, antialias: true } );
+				renderer = new THREE.WebGLDeferredRenderer( { width: WIDTH, height: HEIGHT, scale: SCALE, antialias: true } );
 
 				renderer.domElement.style.position = "absolute";
 				renderer.domElement.style.top = MARGIN + "px";