Canvas = {class = "Canvas"}

function Canvas:New(name)
  local o = {}
  o.name = name
  o.width = game.width/game.scale
  o.height = game.height/game.scale
  o.canvas = love.graphics.newCanvas(o.width,o.height)

  setmetatable(o, self)
	self.__index = self
  return o
end

function Canvas:Recreate()
	self.canvas:release()
	self = Canvas:New(self.name)
end

function Canvas:Reset()
	love.graphics.setCanvas(self.canvas)
  love.graphics.setBlendMode("replace")
	love.graphics.setColor(0,0,0,0)
	love.graphics.rectangle(
		"fill",
		0,
		0,
		self.width,
		self.height
	)
	love.graphics.setCanvas()
end

function Canvas:DrawingStart()
	self:Reset()
	love.graphics.setCanvas(self.canvas)
end

function Canvas:DrawingEnd()
	love.graphics.setCanvas()
	love.graphics.setBlendMode("alpha")
  love.graphics.setColor(1,1,1,1)
end

function Canvas:Draw()
  love.graphics.draw(self.canvas)
end

require "code/canvasses/darkness"