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 /*
 * Copyright (c) 2006-2010 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.
 */
 
 #include <Box2D/Dynamics/Contacts/b2EdgeAndPolygonContact.h>
 #include <Box2D/Common/b2BlockAllocator.h>
 #include <Box2D/Dynamics/b2Fixture.h>
 
 #include <new>
 
 b2Contact* b2EdgeAndPolygonContact::Create(b2Fixture* fixtureA, int32, b2Fixture* fixtureB, int32, b2BlockAllocator* allocator)
 {
     void* mem = allocator->Allocate(sizeof(b2EdgeAndPolygonContact));
     return new (mem) b2EdgeAndPolygonContact(fixtureA, fixtureB);
 }
 
 void b2EdgeAndPolygonContact::Destroy(b2Contact* contact, b2BlockAllocator* allocator)
 {
     ((b2EdgeAndPolygonContact*)contact)->~b2EdgeAndPolygonContact();
     allocator->Free(contact, sizeof(b2EdgeAndPolygonContact));
 }
 
 b2EdgeAndPolygonContact::b2EdgeAndPolygonContact(b2Fixture* fixtureA, b2Fixture* fixtureB)
 : b2Contact(fixtureA, 0, fixtureB, 0)
 {
     b2Assert(m_fixtureA->GetType() == b2Shape::e_edge);
     b2Assert(m_fixtureB->GetType() == b2Shape::e_polygon);
 }
 
 void b2EdgeAndPolygonContact::Evaluate(b2Manifold* manifold, const b2Transform& xfA, const b2Transform& xfB)
 {
     b2CollideEdgeAndPolygon(    manifold,
                                 (b2EdgeShape*)m_fixtureA->GetShape(), xfA,
                                 (b2PolygonShape*)m_fixtureB->GetShape(), xfB);
 }