Lights = {}
LightTimer = 0

function CreateDarkness()
	return love.graphics.newCanvas(game.width, game.height)
end

function CreateLight(x,y,range)
	local o = {}
	o.pos = {
		x = x,
		y = y
	}
	o.range = range
	o.flicker = 0
	o.dim = 0
	table.insert(Lights,o)
	return o
end

function SetDarkness()
	love.graphics.setColor(0,0,0,1)
	love.graphics.rectangle("fill",0,0,game.width,game.height)
end

function DoDarkness()
	love.graphics.setColor(0,0,0,0.3)
	love.graphics.rectangle("fill",0,0,game.width,game.height)
end

function DoLights()
	LightTimer = LightTimer + 1

	if LightTimer >= 3 then
		LightTimer = LightTimer - 3
		for _, light in pairs(Lights) do
			light.flicker = math.random(-2,2)
			light.dim = (light.range+light.flicker)/5
		end
	end

	love.graphics.setBlendMode("replace")
	-- first, border
	love.graphics.setColor(1,1,1)
	for _, light in pairs(Lights) do

		--[[love.graphics.circle(
			"fill",
			light.pos.x - Camera.pos.x,
			light.pos.y - Camera.pos.y,
			light.range + light.flicker + 1
		)]]
	end
	for _, enty in pairs(LoadedEntities) do
		if enty.illuminated == true then
			enty:Draw()
		end
	end
		love.graphics.setColor(0,0,0,0.5)
	for _, light in pairs(Lights) do
		love.graphics.circle(
			"fill",
			light.pos.x - Camera.pos.x,
			light.pos.y - Camera.pos.y,
			light.range + light.flicker
		)
	end
	-- then, light
		love.graphics.setColor(0,0,0,0)
	for _, light in pairs(Lights) do
		love.graphics.circle(
			"fill",
			light.pos.x - Camera.pos.x,
			light.pos.y - Camera.pos.y,
			light.range + light.flicker - light.dim
		)
	end
	love.graphics.setBlendMode("alpha")
end

function DoBorder()
end

function DrawDarkness()
	love.graphics.draw(Canvas.Darkness, 0, 0, 0, 0.5, 0.5)
end