public void run() {
		long lastTime = System.nanoTime();
		double nsPerTick = 1000000000D/60D;
		
		int ticks = 0;
		int frames = 0;
		
		long lastTimer = System.currentTimeMillis();
		double delta = 0;
		
		init();
		
		while(running){
			long now = System.nanoTime();
			delta += (now-lastTime)/nsPerTick;
			lastTime = now;
			boolean shouldRender = true;
			
			while(delta >= 1){
				ticks++;
				tick();
				delta -= 1;
				shouldRender = true;
			}
			
			try {
				Thread.sleep(2);
			} catch (InterruptedException e) {
				e.printStackTrace();
			}
			if(shouldRender){
				frames++;
				render();
			}
			
			if(System.currentTimeMillis()-lastTimer >= 1000){
				lastTimer += 1000;
				frame.setTitle(ticks + " ticks, " + frames + " frames");
				frames = 0;
				ticks = 0;
			}
		}
	}