Files
bounce/include/bounce/dynamics/island.h
2017-01-14 01:37:01 -02:00

72 lines
1.8 KiB
C++

/*
* Copyright (c) 2016-2016 Irlan Robson http://www.irlan.net
*
* 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 B3_ISLAND_H
#define B3_ISLAND_H
#include <bounce/common/math/vec3.h>
class b3StackAllocator;
class b3Contact;
class b3Joint;
class b3Body;
struct b3Velocity;
struct b3Position;
struct b3Profile;
class b3Island
{
public :
b3Island(b3StackAllocator* stack, u32 bodyCapacity, u32 contactCapacity, u32 jointCapacity);
~b3Island();
void Clear();
void Add(b3Body* body);
void Add(b3Contact* contact);
void Add(b3Joint* joint);
void Solve(b3Profile* profile, const b3Vec3& gravity, float32 dt, u32 velocityIterations, u32 positionIterations, u32 flags);
private :
enum b3IslandFlags
{
e_warmStartBit = 0x0001,
e_sleepBit = 0x0002
};
friend class b3World;
b3StackAllocator* m_allocator;
b3Body** m_bodies;
u32 m_bodyCapacity;
u32 m_bodyCount;
b3Contact** m_contacts;
u32 m_contactCapacity;
u32 m_contactCount;
b3Joint** m_joints;
u32 m_jointCapacity;
u32 m_jointCount;
b3Position* m_positions;
b3Velocity* m_velocities;
};
#endif