/* - Tree.js - */
			function randHex() {
				var num = Math.round(Math.random() * 255).toString(16);
				if (num.length == 1)
					num = "0"+num;
				return num;
			}
			
			jq(function() {
				
				// Convenience
				$canvas = jQuery("#canvas");
				canvas = $canvas[0];
				context = canvas.getContext("2d");
				
				// Dimensions
				var width = $canvas.width();
				var height = $canvas.height();
				
				// Set actual canvas size to match css
				$canvas.attr("width", width);
				$canvas.attr("height", height);
				
				// Information
				jQuery("#info").html("Size: "+canvas.width+"x"+canvas.height);
				
				// Frame rate
				var frame = 0;
				
				// Snakes
				var n = 2+Math.random()*3;
				var initialRadius = width/50;
				snakes = new SnakeCollection();
				for (var i=0 ; i<n ; i++) {
					var snake = new Snake(canvas);
					snake.x = width/2 - initialRadius + i*initialRadius*2/n;
					snake.radius = initialRadius;
					snakes.add(snake);
				}
				
				// Frame drawer
				var interval = setInterval(function() {
					snakes.next();
					
					frame++;
				}, 0);
				
				// fps
				var fpsInterval = setInterval(function() {
					jQuery("#fps").html(frame+" fps<br/>"+snakes.snakes.length+" branches running");
					frame = 0;
					if (snakes.snakes.length == 0) {
						clearInterval(interval);
						clearInterval(fpsInterval);
						var delay = 1500;
						jQuery("#info-container").fadeOut(1500, function(){
							jQuery("#info-container").html("Refresh for more delicious trees :)").fadeIn(delay, function() {
								setTimeout(function() {
									jQuery("#info-container").fadeOut(delay);
								}, delay*3)
							});
						});
					}
				}, 1000);
			});