Mothback/code/game.lua

function GameStep()
	SetCollisionFlags()
	if menu_type == "no" then
		for _, particle in pairs(LoadedParticles) do
			particle:Smart()
		end
		for _, enty in pairs(LoadedObjects.Entities) do
			enty:Smart()
		end
	end

	for _, particle in pairs(LoadedObjects.Particles) do
		particle:DoPhysics()
	end
	for _, enty in pairs(LoadedObjects.Entities) do
		enty:DoPhysics()
	end

	AnimateTiles()
	Camera:positionCenterAt(main_Player.pos.x, main_Player.pos.y)
	--camera:positionAt(main_Player.pos.x, main_Player.pos.y,game.width,game.height)

	if Keybind:CheckPressed(Keybind.debug.debug) then
		if debug then
			debug = false
			debug_collision = true
		elseif debug_collision then
		 debug_collision = false
		else
		 debug = true
		end
	end

	if Keybind:CheckPressed(Keybind.debug.reposition) then
		if not editor_mode then
			main_Player.pos.x, main_Player.pos.y = 16,-10
		end
	end

	if Keybind:CheckPressed(Keybind.debug.reload) then
			MenuClear()
			menu_type = "dialog"
			MenuInit("dialog",DialogSequence.Example)
	end

	if Keybind:CheckPressed(Keybind.debug.editor) then
		editor_mode = true
	end

	if Keybind:CheckPressed(Keybind.debug.recording) then
		if DemoRecording then
			Demo:RecordEnd()
		else
			Demo:RecordStart()
		end
	end

	if Keybind:CheckPressed(Keybind.debug.playback) then
		if DemoPlayback then
			Demo:PlaybackEnd()
		else
			Demo:PlaybackStart()
		end
	end
end

function GameDraw()

	-- prepare
	GameworldDrawPrepare()
	GameWorldUpdateLights()

	-- background
	GameworldDrawBackground()
	GameworldDrawLights()
	GameworldDrawEntitiesBackground()

	-- foreground
	GameworldDrawForeground()
	GameworldDrawParticles()
	GameworldDrawEntities()

	if LevelData.properties.darkness then
		GameworldDrawDarkness()
	end
	-- end
	GameworldDrawEnd()

	-- hud
	textScale = 1

	-- debug
	if debug then DebugUI() end
	if debug_collision then
		DebugColisions()
		DebugEntities()
	end
end