GuDistanceSegmentSegment.h

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#ifndef GU_DISTANCE_SEGMENT_SEGMENT_H
#define GU_DISTANCE_SEGMENT_SEGMENT_H
 
#include "common/PxPhysXCommonConfig.h"
#include "GuSegment.h"
 
namespace physx
{
namespace Gu
{
    // This version fixes accuracy issues (e.g.  TTP 4617), but needs to do 2 square roots in order
    // to find the normalized direction and length of the segments, and then
    // a division in order to renormalize the output
 
    PX_PHYSX_COMMON_API PxReal  distanceSegmentSegmentSquared(  const PxVec3& origin0, const PxVec3& dir0, PxReal extent0,
                                                                const PxVec3& origin1, const PxVec3& dir1, PxReal extent1,
                                                                PxReal* s=NULL, PxReal* t=NULL);
 
    PX_PHYSX_COMMON_API PxReal  distanceSegmentSegmentSquared(  const PxVec3& origin0, const PxVec3& extent0,
                                                                const PxVec3& origin1, const PxVec3& extent1,
                                                                PxReal* s=NULL, PxReal* t=NULL);
 
    PX_FORCE_INLINE PxReal  distanceSegmentSegmentSquared(  const Gu::Segment& segment0,
                                                            const Gu::Segment& segment1,
                                                            PxReal* s=NULL, PxReal* t=NULL)
    {
        return distanceSegmentSegmentSquared(   segment0.p0, segment0.computeDirection(),
                                                segment1.p0, segment1.computeDirection(),
                                                s, t);
    }
 
} // namespace Gu
 
}
 
#endif