function love.load()
  fps = 30
  upTime = love.timer.getTime()
  nextTime = upTime
  windowProfile = {
    mode = {
      width  = 256,
      height = 240,
    },
    title = "GNU & Bola - The libre beat 'em up game",
  }

  love.graphics.setBackgroundColor(0, 232, 216)
  love.window.setMode(windowProfile.mode.width, windowProfile.mode.height)
  love.window.setTitle(windowProfile.title)

  button = {
    left    = 'a',
    right   = 'd',
    up      = 'w',
    down    = 's',
    button0 = 'j',
    button1 = 'k',
    select  = 'g',
    start   = 'h',
    quit    = 'escape',
  }

  sprites = {
    bola = {
      image = love.graphics.newImage('metaspritessheet0_color0_alpha.png'),
      x     = 24,
      y     = 32,
    }
  }

  character = {
    bola = {
      position = {
        x = windowProfile.mode.width  / 2,
        y = windowProfile.mode.height / 2,
      },
      origin = {
        x = sprites.bola.x / 2,
        y = sprites.bola.y / 2,
      },
      acceleration = 0,
      speed        = 200,
      spriteStand  = {
        love.graphics.newQuad(sprites.bola.x * 0, sprites.bola.y * 0, sprites.bola.x, sprites.bola.y, sprites.bola.image:getDimensions()),
        love.graphics.newQuad(sprites.bola.x * 1, sprites.bola.y * 0, sprites.bola.x, sprites.bola.y, sprites.bola.image:getDimensions()),
        love.graphics.newQuad(sprites.bola.x * 2, sprites.bola.y * 0, sprites.bola.x, sprites.bola.y, sprites.bola.image:getDimensions()),
        love.graphics.newQuad(sprites.bola.x * 1, sprites.bola.y * 0, sprites.bola.x, sprites.bola.y, sprites.bola.image:getDimensions()),
        love.graphics.newQuad(sprites.bola.x * 0, sprites.bola.y * 0, sprites.bola.x, sprites.bola.y, sprites.bola.image:getDimensions()),
        love.graphics.newQuad(sprites.bola.x * 3, sprites.bola.y * 0, sprites.bola.x, sprites.bola.y, sprites.bola.image:getDimensions()),
        love.graphics.newQuad(sprites.bola.x * 4, sprites.bola.y * 0, sprites.bola.x, sprites.bola.y, sprites.bola.image:getDimensions()),
        love.graphics.newQuad(sprites.bola.x * 3, sprites.bola.y * 0, sprites.bola.x, sprites.bola.y, sprites.bola.image:getDimensions()),
        love.graphics.newQuad(sprites.bola.x * 0, sprites.bola.y * 0, sprites.bola.x, sprites.bola.y, sprites.bola.image:getDimensions()),
        love.graphics.newQuad(sprites.bola.x * 5, sprites.bola.y * 0, sprites.bola.x, sprites.bola.y, sprites.bola.image:getDimensions()),
        love.graphics.newQuad(sprites.bola.x * 6, sprites.bola.y * 0, sprites.bola.x, sprites.bola.y, sprites.bola.image:getDimensions()),
        love.graphics.newQuad(sprites.bola.x * 5, sprites.bola.y * 0, sprites.bola.x, sprites.bola.y, sprites.bola.image:getDimensions()),
        love.graphics.newQuad(sprites.bola.x * 0, sprites.bola.y * 0, sprites.bola.x, sprites.bola.y, sprites.bola.image:getDimensions()),
        love.graphics.newQuad(sprites.bola.x * 7, sprites.bola.y * 0, sprites.bola.x, sprites.bola.y, sprites.bola.image:getDimensions()),
        love.graphics.newQuad(sprites.bola.x * 8, sprites.bola.y * 0, sprites.bola.x, sprites.bola.y, sprites.bola.image:getDimensions()),
        love.graphics.newQuad(sprites.bola.x * 7, sprites.bola.y * 0, sprites.bola.x, sprites.bola.y, sprites.bola.image:getDimensions()),
        start = 1,
        fps   = 9,
      },
      spriteWalk   = {
        love.graphics.newQuad(sprites.bola.x * 0, sprites.bola.y * 1, sprites.bola.x, sprites.bola.y, sprites.bola.image:getDimensions()),
        love.graphics.newQuad(sprites.bola.x * 1, sprites.bola.y * 1, sprites.bola.x, sprites.bola.y, sprites.bola.image:getDimensions()),
        love.graphics.newQuad(sprites.bola.x * 2, sprites.bola.y * 1, sprites.bola.x, sprites.bola.y, sprites.bola.image:getDimensions()),
        love.graphics.newQuad(sprites.bola.x * 1, sprites.bola.y * 1, sprites.bola.x, sprites.bola.y, sprites.bola.image:getDimensions()),
        love.graphics.newQuad(sprites.bola.x * 0, sprites.bola.y * 1, sprites.bola.x, sprites.bola.y, sprites.bola.image:getDimensions()),
        love.graphics.newQuad(sprites.bola.x * 3, sprites.bola.y * 1, sprites.bola.x, sprites.bola.y, sprites.bola.image:getDimensions()),
        love.graphics.newQuad(sprites.bola.x * 4, sprites.bola.y * 1, sprites.bola.x, sprites.bola.y, sprites.bola.image:getDimensions()),
        love.graphics.newQuad(sprites.bola.x * 3, sprites.bola.y * 1, sprites.bola.x, sprites.bola.y, sprites.bola.image:getDimensions()),
        start = 1,
        fps   = 9,
      },
    }
  }
end

function love.keypressed(key)
  if key == button.quit then
    love.event.quit()
  end
end

function love.update(dt)
  nextTime = nextTime + (1 / fps)

  character.bola.spriteStand.start = character.bola.spriteStand.start + (dt * character.bola.spriteStand.fps)
  character.bola.spriteWalk.start  = character.bola.spriteWalk.start  + (dt * character.bola.spriteWalk.fps)

  frames = {
    bola = {
      spriteStand = # character.bola.spriteStand,
      spriteWalk  = # character.bola.spriteWalk,
    }
  }

  while character.bola.spriteStand.start >= frames.bola.spriteStand do
    character.bola.spriteStand.start = character.bola.spriteStand.start - (frames.bola.spriteStand - 1)
  end

  while character.bola.spriteWalk.start >= frames.bola.spriteWalk do
    character.bola.spriteWalk.start = character.bola.spriteWalk.start - (frames.bola.spriteWalk - 1)
  end

  animation = {
    bola = {
      spriteStand = math.floor(character.bola.spriteStand.start),
      spriteWalk  = math.floor(character.bola.spriteWalk.start),
    }
  }
end

function love.draw()
  local currentTime = love.timer.getTime()
  if nextTime <= currentTime then
    nextTime = currentTime
  end
  love.timer.sleep(nextTime - currentTime)
  love.graphics.print('FPS: ' .. love.timer.getFPS(), 0, 0)
  love.graphics.draw(sprites.bola.image, character.bola.spriteWalk[animation.bola.spriteWalk], character.bola.position.x, character.bola.position.y, 0, 1, 1, character.bola.origin.x, character.bola.origin.y)
end