nujujuju/app/environment/object.lua

local environment = lib.object.create()

environment.config = {
  background = {
    image = app.environment.textures.grass,
    perspective = 2
  }
}

function environment:bind()
  local background = self.config.background
  background.image:setWrap('repeat', 'repeat')
  self.quad = g.newQuad(0, 0, g.getWidth(), g.getHeight() * background.perspective, background.image:getDimensions())

  return {
    app.context.view.draw
      :subscribe(function()
        local background = self.config.background
        g.white()
        g.draw(background.image, self.quad, 0, 0, 0, 1, 1 / background.perspective)
        return 0
      end)
  }
end

return environment