helpers.hpp

//
//  SuperTuxKart - a fun racing game with go-kart
//  Copyright (C) 2013-2015 Lauri Kasanen
//
//  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 3
//  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.
 
#ifndef HELPERS_H
#define HELPERS_H
 
#include <ITexture.h>
 
using irr::video::ITexture;
 
float noise2d(float v1, float v2 = 0);
 
inline int extract_sign(float f) { return ((f > 0) - (f < 0)); }
 
#endif