/usr/include/Box2D/Dynamics/b2Island.h is in libbox2d-dev 2.3.1+ds-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 | /*
* 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_ISLAND_H
#define B2_ISLAND_H
#include <Box2D/Common/b2Math.h>
#include <Box2D/Dynamics/b2Body.h>
#include <Box2D/Dynamics/b2TimeStep.h>
class b2Contact;
class b2Joint;
class b2StackAllocator;
class b2ContactListener;
struct b2ContactVelocityConstraint;
struct b2Profile;
/// This is an internal class.
class b2Island
{
public:
b2Island(int32 bodyCapacity, int32 contactCapacity, int32 jointCapacity,
b2StackAllocator* allocator, b2ContactListener* listener);
~b2Island();
void Clear()
{
m_bodyCount = 0;
m_contactCount = 0;
m_jointCount = 0;
}
void Solve(b2Profile* profile, const b2TimeStep& step, const b2Vec2& gravity, bool allowSleep);
void SolveTOI(const b2TimeStep& subStep, int32 toiIndexA, int32 toiIndexB);
void Add(b2Body* body)
{
b2Assert(m_bodyCount < m_bodyCapacity);
body->m_islandIndex = m_bodyCount;
m_bodies[m_bodyCount] = body;
++m_bodyCount;
}
void Add(b2Contact* contact)
{
b2Assert(m_contactCount < m_contactCapacity);
m_contacts[m_contactCount++] = contact;
}
void Add(b2Joint* joint)
{
b2Assert(m_jointCount < m_jointCapacity);
m_joints[m_jointCount++] = joint;
}
void Report(const b2ContactVelocityConstraint* constraints);
b2StackAllocator* m_allocator;
b2ContactListener* m_listener;
b2Body** m_bodies;
b2Contact** m_contacts;
b2Joint** m_joints;
b2Position* m_positions;
b2Velocity* m_velocities;
int32 m_bodyCount;
int32 m_jointCount;
int32 m_contactCount;
int32 m_bodyCapacity;
int32 m_contactCapacity;
int32 m_jointCapacity;
};
#endif
|