-- Draw video alpha2

function love.load()
  videocanvas = love.graphics.newCanvas(1280, 1440)
  
  -- load bg image
  bgimg = love.graphics.newImage("bg.jpg")
  
  -- load video(.ogv)
  video = love.graphics.newVideo("comb.ogv")
  video:play()
end

function love.update(dt)
end

function love.draw()
  -- loop video play
  if not video:isPlaying() then
    video:rewind()
    video:play()
  end
  
  -- canvas clear
  love.graphics.clear(0, 0, 0, 1)

  -- draw bg
  love.graphics.setBlendMode("alpha")
  love.graphics.setColor(1, 1, 1, 1)
  love.graphics.draw(bgimg, 0, 0)
  
  -- draw video to video canvas
  love.graphics.setCanvas(videocanvas)
  love.graphics.draw(video, 0, 0)
  love.graphics.setCanvas()

  -- draw video canvas
  love.graphics.setBlendMode("subtract")
  love.graphics.draw(videocanvas, 0, 0)
  
  love.graphics.setBlendMode("add")
  love.graphics.draw(videocanvas, 0, -720)

  -- draw text
  love.graphics.setBlendMode("alpha")
  love.graphics.setColor(1, 1, 1, 1)
  love.graphics.print("ESC to exit.", 8, 4)
  
end

function love.keypressed(key, scancode, isrepeat)
  if key == "escape" then
    love.event.quit()
  end
end