70 lines
1.9 KiB
C++
70 lines
1.9 KiB
C++
/*
|
|
Bullet Continuous Collision Detection and Physics Library
|
|
Copyright (c) 2003-2013 Erwin Coumans http://bulletphysics.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 B3_OVERLAPPING_PAIR_H
|
|
#define B3_OVERLAPPING_PAIR_H
|
|
|
|
#include "Bullet3Common/shared/b3Int4.h"
|
|
|
|
#define B3_NEW_PAIR_MARKER -1
|
|
#define B3_REMOVED_PAIR_MARKER -2
|
|
|
|
typedef b3Int4 b3BroadphasePair;
|
|
|
|
inline b3Int4 b3MakeBroadphasePair(int xx, int yy)
|
|
{
|
|
b3Int4 pair;
|
|
|
|
if (xx < yy)
|
|
{
|
|
pair.x = xx;
|
|
pair.y = yy;
|
|
}
|
|
else
|
|
{
|
|
pair.x = yy;
|
|
pair.y = xx;
|
|
}
|
|
pair.z = B3_NEW_PAIR_MARKER;
|
|
pair.w = B3_NEW_PAIR_MARKER;
|
|
return pair;
|
|
}
|
|
|
|
/*struct b3BroadphasePair : public b3Int4
|
|
{
|
|
explicit b3BroadphasePair(){}
|
|
|
|
};
|
|
*/
|
|
|
|
class b3BroadphasePairSortPredicate
|
|
{
|
|
public:
|
|
bool operator()(const b3BroadphasePair& a, const b3BroadphasePair& b) const
|
|
{
|
|
const int uidA0 = a.x;
|
|
const int uidB0 = b.x;
|
|
const int uidA1 = a.y;
|
|
const int uidB1 = b.y;
|
|
return uidA0 > uidB0 || (uidA0 == uidB0 && uidA1 > uidB1);
|
|
}
|
|
};
|
|
|
|
B3_FORCE_INLINE bool operator==(const b3BroadphasePair& a, const b3BroadphasePair& b)
|
|
{
|
|
return (a.x == b.x) && (a.y == b.y);
|
|
}
|
|
|
|
#endif //B3_OVERLAPPING_PAIR_H
|