gameLoop.coffee

gameLoop: ->
	@running = true
	@lastTickCount = 0
	@totalTickCount = 0
	lastTick = lastFrame = psTicks = 0
	ticksSince = 0
	frames = ticks = 0
	doTick = doFrame = no
	updateLoop = (currentTicks) =>
		doTick = (currentTicks - lastTick) > (1000 / @targetTickrate)
		if currentTicks - psTicks > 1000
			psTicks = currentTicks
			console.log "FPS: #{frames}; TPS: #{ticks}"
			frames = ticks = 0
		if @vsync is on
			doFrame = doTick
		else
			doFrame = yes

		if doTick
			ticksSince = currentTicks - lastTick
			@update ticksSince / 1000 / @targetTickrate
			lastTick += ticksSince
			ticks++
		if doFrame
			ticksSince = currentTicks - lastFrame
			@render ticksSince / 1000 / @targetTickrate
			lastFrame += ticksSince
			frames++
		requestAnimationFrame updateLoop
	requestAnimationFrame updateLoop