mirror of https://github.com/axmolengine/axmol.git
51 lines
2.1 KiB
C++
51 lines
2.1 KiB
C++
/*
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* Copyright (c) 2006-2009 Erin Catto http://www.box2d.org
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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*/
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#include <Box2D/Dynamics/Contacts/b2PolygonAndCircleContact.h>
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#include <Box2D/Common/b2BlockAllocator.h>
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#include <Box2D/Dynamics/b2Fixture.h>
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#include <new>
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using namespace std;
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b2Contact* b2PolygonAndCircleContact::Create(b2Fixture* fixtureA, int32, b2Fixture* fixtureB, int32, b2BlockAllocator* allocator)
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{
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void* mem = allocator->Allocate(sizeof(b2PolygonAndCircleContact));
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return new (mem) b2PolygonAndCircleContact(fixtureA, fixtureB);
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}
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void b2PolygonAndCircleContact::Destroy(b2Contact* contact, b2BlockAllocator* allocator)
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{
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((b2PolygonAndCircleContact*)contact)->~b2PolygonAndCircleContact();
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allocator->Free(contact, sizeof(b2PolygonAndCircleContact));
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}
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b2PolygonAndCircleContact::b2PolygonAndCircleContact(b2Fixture* fixtureA, b2Fixture* fixtureB)
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: b2Contact(fixtureA, 0, fixtureB, 0)
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{
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b2Assert(m_fixtureA->GetType() == b2Shape::e_polygon);
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b2Assert(m_fixtureB->GetType() == b2Shape::e_circle);
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}
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void b2PolygonAndCircleContact::Evaluate(b2Manifold* manifold, const b2Transform& xfA, const b2Transform& xfB)
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{
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b2CollidePolygonAndCircle( manifold,
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(b2PolygonShape*)m_fixtureA->GetShape(), xfA,
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(b2CircleShape*)m_fixtureB->GetShape(), xfB);
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}
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