blender/extern/bullet/Bullet/NarrowPhaseCollision/BU_EdgeEdge.h
Erwin Coumans feb4f51103 Added Bullet library.
Only windows projectfiles for now.
Will ask Hans to get unix makefiles done.
2005-07-16 09:58:01 +00:00

72 lines
1.7 KiB
C++

/*
* Copyright (c) 2005 Erwin Coumans http://www.erwincoumans.com
*
* Permission to use, copy, modify, distribute and sell this software
* and its documentation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies.
* Erwin Coumans makes no representations about the suitability
* of this software for any purpose.
* It is provided "as is" without express or implied warranty.
*/
#ifndef BU_EDGEEDGE
#define BU_EDGEEDGE
class BU_Screwing;
#include <SimdTransform.h>
#include <SimdPoint3.h>
#include <SimdVector3.h>
//class BUM_Point2;
#include <SimdScalar.h>
///BU_EdgeEdge implements algebraic time of impact calculation between two (angular + linear) moving edges.
class BU_EdgeEdge
{
public:
BU_EdgeEdge();
bool GetTimeOfImpact(
const BU_Screwing& screwAB,
const SimdPoint3& a,//edge in object A
const SimdVector3& u,
const SimdPoint3& c,//edge in object B
const SimdVector3& v,
SimdScalar &minTime,
SimdScalar &lamda,
SimdScalar& mu
);
private:
bool Calc2DRotationPointPoint(const SimdPoint3& rotPt, SimdScalar rotRadius, SimdScalar rotW,const SimdPoint3& intersectPt,SimdScalar& minTime);
bool GetTimeOfImpactGeneralCase(
const BU_Screwing& screwAB,
const SimdPoint3& a,//edge in object A
const SimdVector3& u,
const SimdPoint3& c,//edge in object B
const SimdVector3& v,
SimdScalar &minTime,
SimdScalar &lamda,
SimdScalar& mu
);
bool GetTimeOfImpactVertexEdge(
const BU_Screwing& screwAB,
const SimdPoint3& a,//edge in object A
const SimdVector3& u,
const SimdPoint3& c,//edge in object B
const SimdVector3& v,
SimdScalar &minTime,
SimdScalar &lamda,
SimdScalar& mu
);
};
#endif //BU_EDGEEDGE