// -------------------------------------------------------------------------------
// Copyright (c) 2012, Junggon Kim
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met: 
//
// 1. Redistributions of source code must retain the above copyright notice, this
//    list of conditions and the following disclaimer. 
// 2. Redistributions in binary form must reproduce the above copyright notice,
//    this list of conditions and the following disclaimer in the documentation
//    and/or other materials provided with the distribution. 
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// -------------------------------------------------------------------------------

//================================================================================
//         GForce: base class for force elements
// 
//                                                               junggon@gmail.com
//================================================================================

#ifndef _GEAR_FORCE_
#define _GEAR_FORCE_

#include "gelement.h"

//=============================================================
//                 GForce
//=============================================================
class GForce : public GElement
{
public:
	enum ForceType { 
		GFORCE_NULL, 
		GFORCE_SPRINGDAMPER_BODY,
		GFORCE_SPRINGDAMPER_JOINT,
	};

	ForceType forceType;

public:
	GForce() : forceType(GFORCE_NULL) {}
	virtual ~GForce() {}

	virtual bool applyForce(bool badd_ = true) = 0;

	ForceType getForceType() { return forceType; }
};

#endif