b2CircleContact.h

/*
* Copyright (c) 2006-2009 Erin Catto http://www.box2d.org
*
* 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 B2_CIRCLE_CONTACT_H
#define B2_CIRCLE_CONTACT_H

#include <Box2D/Dynamics/Contacts/b2Contact.h>

class b2BlockAllocator;

class b2CircleContact : public b2Contact
{
public:
    static b2Contact* Create(   b2Fixture* fixtureA, int32 indexA,
                                b2Fixture* fixtureB, int32 indexB, b2BlockAllocator* allocator);
    static void Destroy(b2Contact* contact, b2BlockAllocator* allocator);

    b2CircleContact(b2Fixture* fixtureA, b2Fixture* fixtureB);
    ~b2CircleContact() {}

    void Evaluate(b2Manifold* manifold, const b2Transform& xfA, const b2Transform& xfB);
};

#endif