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