/*]  Copyright (c) 2009-2011, Charles McGarvey  [*****************************
**]  All rights reserved.
*
* Distributable under the terms and conditions of the 2-clause BSD license;
* see the file COPYING for a complete text of the license.
*
*****************************************************************************/

#ifndef _MOOF_CONTACT_HH_
#define _MOOF_CONTACT_HH_

#include <moof/math.hh>


/**
 * \file contact.hh
 * Represents a collision between entities.
 */

namespace moof {


template <int D = 3>
struct contact
{
	typedef moof::vector< scalar, fixed<D> > vector;

	vector	point;		// point of contact
	scalar	distance;	// distance of penetration
	vector	normal;		// normal of surface at point of contact

	bool operator < (const contact& rhs)
	{
		return distance < rhs.distance;
	}
};


} // namespace moof

#endif // _MOOF_CONTACT_HH_