pixi.js renderer resize

gistfile1.js

var STAGE_WIDTH = 320;
var STAGE_HEIGHT = 480;

var $window = $(window);

// XXX: debounce
$window.resize(onResize);

function onResize() {
	var width;
	var height;
	var ratioWidth;
	var ratioHeight;
	var ratio;
	
	width = $window.width();
	height = $window.height();
	ratioWidth = width / STAGE_WIDTH;
	ratioHeight = height / STAGE_HEIGHT;
	if (ratioWidth < ratioHeight) {
	    ratio = ratioWidth;
	} else {
	    ratio = ratioHeight;
	}
	
	renderer.view.style.width = ~~(STAGE_WIDTH * ratio) + 'px';
	renderer.view.style.height = ~~(STAGE_HEIGHT * ratio) + 'px';
}