source: GTP/trunk/App/Games/Jungle_Rumble/src/physic/physics/include/NxIntersectionSegmentCapsule.h @ 1378

#ifndef NX_INTERSECTION_SEGMENT_CAPSULE
#define NX_INTERSECTION_SEGMENT_CAPSULE
/** \addtogroup physics
  @{
*/

#include "Nxp.h"
#include "NxCapsule.h"
#include "NxSegment.h"
#include "PhysXLoader.h"

//namespace NxCollision {

        /**
        \brief Ray-capsule intersection test.
        
        Returns number of intersection points (0,1 or 2) and corresponding parameters along the ray.

        \warning #NxCreatePhysicsSDK() must be called before using this function.

        \param[in] origin Origin of ray. <b>Range:</b> position vector
        \param[in] dir Direction of ray. <b>Range:</b> direction vector
        \param[in] capsule Capsule to test. <b>Range:</b> see #NxCapsule
        \param[out] t Parameter of intersection on the ray.

        \return Number of intersection points.

        <b>Platform:</b>
        \li PC SW: Yes
        \li PPU  : Yes
        \li PS3  : Yes
        \li XB360: Yes

        @see NxRay NxCapsule
        */
        NX_INLINE NxU32 NX_CALL_CONV NxRayCapsuleIntersect(const NxVec3& origin, const NxVec3& dir, 
                const NxCapsule& capsule, NxReal t[2])
                {
                return NxGetUtilLib()->NxRayCapsuleIntersect(origin,dir,capsule,t);
                }

        /**
        \brief Segment-capsule intersection test.
        
        Returns number of intersection points (0,1 or 2) and corresponding parameters along the ray.

        \warning #NxCreatePhysicsSDK() must be called before using this function.

        \param[in] segment Line segment. <b>Range:</b> See #NxSegment
        \param[in] capsule Capsule to test. <b>Range:</b> See #NxCapsule
        \param[out] nbImpacts Number of intersection point (0, 1 or 2)
        \param[out] t Parameter of intersection on the ray.

        <b>Platform:</b>
        \li PC SW: Yes
        \li PPU  : Yes
        \li PS3  : Yes
        \li XB360: Yes

        @see NxSegement NxCapsule
        */
        NX_INLINE void NxSegmentCapsuleIntersect(const NxSegment& segment, const NxCapsule& capsule, NxU32* nbImpacts, 
                NxReal t[2])
                {
                NxReal s[2];
                NxU32 numISec = NxRayCapsuleIntersect(segment.p0, segment.computeDirection(), capsule,s);

                NxU32 numClip = 0;
                for(NxU32 i = 0; i < numISec; i++)
                        {
                        if ( 0.0f <= s[i] && s[i] <= 1.0f ) t[numClip++] = s[i];
                        }

                *nbImpacts = numClip;
                }
//}

/** @} */
#endif


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