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--- A little bit more than just a Canvas.
Layer = require "not.Object":extends()
function Layer:new (width, height)
self.canvas = love.graphics.newCanvas(width, height)
self.transformScale = getScale()
self.transformRatio = 1
self.drawScale = 1
end
function Layer:delete ()
self.canvas = nil
end
--- Sets this layer as current canvas for drawing with love.graphics functions.
-- @return old canvas used by love
function Layer:setAsCanvas ()
local c = love.graphics.getCanvas()
love.graphics.setCanvas(self.canvas)
return c
end
function Layer:renderTo (func, ...)
local c = self:setAsCanvas()
func(...)
love.graphics.setCanvas(c)
end
function Layer:renderToWith (camera, func, ...)
camera:push()
camera:transform(self.transformScale, self.transformRatio, self.canvas:getDimensions())
self:renderTo(func, ...)
camera:pop()
end
function Layer:clear ()
self:renderTo(love.graphics.clear)
end
function Layer:draw ()
love.graphics.setColor(255, 255, 255, 255)
love.graphics.draw(self.canvas, nil, nil, nil, self.drawScale, self.drawScale)
end
return Layer
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