.value = HEIGHT;

      renderer.setSize(WIDTH, HEIGHT);
    }

    reset_camera();

  	// attach the render-supplied DOM element
  	$container.append(renderer.domElement);

    // Produce the Parser based on our grammar
    $(function(){
        window.pegParser = PEG.buildParser( $('#complex-expression-peg-grammar').text() );
    });

    // Make a full-screen quad and add it to the THREE.js scene
    var plane = new THREE.PlaneBufferGeometry( WIDTH, HEIGHT );
    var quad = new THREE.Mesh( plane, null );