code: func IsGamepadButtonJustPressed(id int, button ebiten.GamepadButton) bool {
  	return GamepadButtonPressDuration(id, button) == 1
  }
docs: // IsGamepadButtonJustPressed returns a boolean value indicating
  // whether the given gamepad button of the gamepad id is pressed just in the current frame.
  //
  // IsGamepadButtonJustPressed is concurrent safe.