LÖVE

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local sti = require "libs.sti"

function love.load()
	map = sti.new("assets/maps/map01")
	
	local spriteLayer = map.layers["Sprite Layer"]
	map:convertToCustomLayer("Sprite Layer")
	spriteLayer.sprite = {
		x = 64,
		y = 64,
		image = love.graphics.newImage("sprite.png"),
	}
	
	function spriteLayer:update(dt)
		self.sprite.r = self.sprite.r + 90 * dt
	end

	function spriteLayer:draw()
		local x = math.floor(self.sprite.x)
		local y = math.floor(self.sprite.y)
		love.graphics.draw(self.sprite.image, x, y)
	end
end

function love.update(dt)
	local sprite = map.layers["Sprite Layer"].sprite
	local down = love.keyboard.isDown
	local speed = 64 -- pixels per second
	
	if down("w") or down("up")		then sprite.y = sprite.y - speed * dt end
	if down("s") or down("down")	then sprite.y = sprite.y + speed * dt end
	if down("a") or down("left")	then sprite.x = sprite.x - speed * dt end
	if down("d") or down("right")	then sprite.x = sprite.x + speed * dt end

	map:update(dt)
end

function love.draw()
	local sprite = map.layers["Sprite Layer"].sprite
	
	love.graphics.push()
	local tx = math.floor(-sprite.x + 384)
	local ty = math.floor(-sprite.y + 284)
	
	love.graphics.translate(tx, ty)
	map:draw()
	love.graphics.pop()
end