/********************************************************************************
* ReactPhysics3D physics library, http://code.google.com/p/reactphysics3d/      *
* Copyright (c) 2010-2013 Daniel Chappuis                                       *
*********************************************************************************
*                                                                               *
* This software is provided 'as-is', without any express or implied warranty.   *
* In no event will the authors be held liable for any damages arising from the  *
* use of this software.                                                         *
*                                                                               *
* Permission is granted to anyone to use this software for any purpose,         *
* including commercial applications, and to alter it and redistribute it        *
* freely, subject to the following restrictions:                                *
*                                                                               *
* 1. The origin of this software must not be misrepresented; you must not claim *
*    that you wrote the original software. If you use this software in a        *
*    product, an acknowledgment in the product documentation would be           *
*    appreciated but is not required.                                           *
*                                                                               *
* 2. Altered source versions must be plainly marked as such, and must not be    *
*    misrepresented as being the original software.                             *
*                                                                               *
* 3. This notice may not be removed or altered from any source distribution.    *
*                                                                               *
********************************************************************************/

#ifndef REACTPHYSICS3D_CONTACT_INFO_H
#define	REACTPHYSICS3D_CONTACT_INFO_H

// Libraries
#include "../collision/shapes/BoxShape.h"
#include "../mathematics/mathematics.h"

// ReactPhysics3D namespace
namespace reactphysics3d {

// Structure ContactInfo
/**
 * This structure contains informations about a collision contact
 * computed during the narrow-phase collision detection. Those
 * informations are used to compute the contact set for a contact
 * between two bodies.
 */
struct ContactInfo {

    private:

        // -------------------- Methods -------------------- //

        /// Private copy-constructor
        ContactInfo(const ContactInfo& contactInfo);

        /// Private assignment operator
        ContactInfo& operator=(const ContactInfo& contactInfo);

    public:

        // -------------------- Attributes -------------------- //

        /// Normal vector the the collision contact in world space
        const Vector3 normal;

        /// Penetration depth of the contact
        const decimal penetrationDepth;

        /// Contact point of body 1 in local space of body 1
        const Vector3 localPoint1;

        /// Contact point of body 2 in local space of body 2
        const Vector3 localPoint2;

        // -------------------- Methods -------------------- //

        /// Constructor
        ContactInfo(const Vector3& normal, decimal penetrationDepth,
                    const Vector3& localPoint1, const Vector3& localPoint2);
};

}

#endif