2 * Copyright (c) 2006-2007 Erin Catto http://www.gphysics.com
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.
22 #include "../Common/b2Math.h"
27 class b2StackAllocator;
28 class b2ContactListener;
29 struct b2ContactConstraint;
35 b2Island(int32 bodyCapacity, int32 contactCapacity, int32 jointCapacity,
36 b2StackAllocator* allocator, b2ContactListener* listener);
46 void Solve(const b2TimeStep& step, const b2Vec2& gravity, bool correctPositions, bool allowSleep);
48 void SolveTOI(const b2TimeStep& subStep);
50 void Add(b2Body* body)
52 b2Assert(m_bodyCount < m_bodyCapacity);
53 m_bodies[m_bodyCount++] = body;
56 void Add(b2Contact* contact)
58 b2Assert(m_contactCount < m_contactCapacity);
59 m_contacts[m_contactCount++] = contact;
62 void Add(b2Joint* joint)
64 b2Assert(m_jointCount < m_jointCapacity);
65 m_joints[m_jointCount++] = joint;
68 void Report(b2ContactConstraint* constraints);
70 b2StackAllocator* m_allocator;
71 b2ContactListener* m_listener;
74 b2Contact** m_contacts;
82 int32 m_contactCapacity;
83 int32 m_jointCapacity;
85 int32 m_positionIterationCount;