1/*
2* Copyright (c) 2006-2009 Erin Catto http://www.box2d.org
3*
4* This software is provided 'as-is', without any express or implied
5* warranty. In no event will the authors be held liable for any damages
6* arising from the use of this software.
7* Permission is granted to anyone to use this software for any purpose,
8* including commercial applications, and to alter it and redistribute it
9* freely, subject to the following restrictions:
10* 1. The origin of this software must not be misrepresented; you must not
11* claim that you wrote the original software. If you use this software
12* in a product, an acknowledgment in the product documentation would be
13* appreciated but is not required.
14* 2. Altered source versions must be plainly marked as such, and must not be
15* misrepresented as being the original software.
16* 3. This notice may not be removed or altered from any source distribution.
17*/
18
19#include <Box2D/Dynamics/Contacts/b2PolygonAndCircleContact.h>
20#include <Box2D/Common/b2BlockAllocator.h>
21#include <Box2D/Dynamics/b2Fixture.h>
22
23#include <new>
24
25b2Contact* b2PolygonAndCircleContact::Create(b2Fixture* fixtureA, int32, b2Fixture* fixtureB, int32, b2BlockAllocator* allocator)
26{
27 void* mem = allocator->Allocate(sizeof(b2PolygonAndCircleContact));
28 return new (mem) b2PolygonAndCircleContact(fixtureA, fixtureB);
29}
30
31void b2PolygonAndCircleContact::Destroy(b2Contact* contact, b2BlockAllocator* allocator)
32{
33 ((b2PolygonAndCircleContact*)contact)->~b2PolygonAndCircleContact();
34 allocator->Free(contact, sizeof(b2PolygonAndCircleContact));
35}
36
37b2PolygonAndCircleContact::b2PolygonAndCircleContact(b2Fixture* fixtureA, b2Fixture* fixtureB)
38: b2Contact(fixtureA, 0, fixtureB, 0)
39{
40 b2Assert(m_fixtureA->GetType() == b2Shape::e_polygon);
41 b2Assert(m_fixtureB->GetType() == b2Shape::e_circle);
42}
43
44void b2PolygonAndCircleContact::Evaluate(b2Manifold* manifold, const b2Transform& xfA, const b2Transform& xfB)
45{
46 b2CollidePolygonAndCircle( manifold,
47 (b2PolygonShape*)m_fixtureA->GetShape(), xfA,
48 (b2CircleShape*)m_fixtureB->GetShape(), xfB);
49}
50