//  $Id: joystick_scroller.cpp 3059 2007-09-02 03:48:52Z grumbel $
//
//  Pingus - A free Lemmings clone
//  Copyright (C) 2000 Ingo Ruhnke <grumbel@gmx.de>
//
//  This program is free software; you can redistribute it and/or
//  modify it under the terms of the GNU General Public License
//  as published by the Free Software Foundation; either version 2
//  of the License, or (at your option) any later version.
//
//  This program is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with this program; if not, write to the Free Software
//  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

#include "../axes/joystick_axis.hpp"
#include "joystick_scroller.hpp"

namespace Input {
namespace Scrollers {

JoystickScroller::JoystickScroller (int id_, float speed_)
  : id(id_),
    axis1(new Axes::JoystickAxis(id, 0, 0)),
    axis2(new Axes::JoystickAxis(id, 1, 90)),
    speed(speed_),
    x_delta(0),
    y_delta(0)
{
}

JoystickScroller::~JoystickScroller ()
{
  delete axis1;
  delete axis2;
}

const float&
JoystickScroller::get_x_delta () const
{
  return x_delta;
}

const float&
JoystickScroller::get_y_delta () const
{
  return y_delta;
}

void
JoystickScroller::get_delta (float& x, float& y) const
{
  x = x_delta;
  y = y_delta;
}

void
JoystickScroller::update (float delta)
{
  axis1->update(delta);
  axis2->update(delta);

  x_delta = axis1->get_pos() * speed;
  y_delta = axis2->get_pos() * speed;
}

} // namespace Scroller
} // namespace Input

/* EOF */