update.gravity = function(dt)
  if character.bola.jump.velocity ~= 0 then
    character.bola.jump.isJumping = true
    character.bola.position.y = character.bola.position.y + (character.bola.jump.velocity * dt)
    character.bola.jump.velocity = character.bola.jump.velocity - (character.bola.gravity * dt)
  end

  if character.bola.position.y > character.bola.jump.ground then
    character.bola.jump.velocity = 0
    character.bola.position.y = character.bola.jump.ground
    character.bola.jump.higher = character.bola.jump.higherMax

    character.bola.jump.limitButtonJump = false
    character.bola.jump.isJumping = false
    character.bola.actionA = false

    if love.keyboard.isScancodeDown(button.up) then
      character.bola.actionUp = true
    elseif love.keyboard.isScancodeDown(button.down) then
      character.bola.actionDown = true
    end
  end
end