1 | #ifndef NX_INTERSECTION_SEGMENT_CAPSULE
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2 | #define NX_INTERSECTION_SEGMENT_CAPSULE
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3 | /** \addtogroup physics
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4 | @{
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5 | */
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6 |
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7 | #include "Nxp.h"
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8 | #include "NxCapsule.h"
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9 | #include "NxSegment.h"
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10 | #include "PhysXLoader.h"
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11 |
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12 | //namespace NxCollision {
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13 |
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14 | /**
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15 | \brief Ray-capsule intersection test.
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16 |
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17 | Returns number of intersection points (0,1 or 2) and corresponding parameters along the ray.
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18 |
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19 | \warning #NxCreatePhysicsSDK() must be called before using this function.
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20 |
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21 | \param[in] origin Origin of ray. <b>Range:</b> position vector
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22 | \param[in] dir Direction of ray. <b>Range:</b> direction vector
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23 | \param[in] capsule Capsule to test. <b>Range:</b> see #NxCapsule
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24 | \param[out] t Parameter of intersection on the ray.
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25 |
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26 | \return Number of intersection points.
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27 |
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28 | <b>Platform:</b>
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29 | \li PC SW: Yes
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30 | \li PPU : Yes
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31 | \li PS3 : Yes
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32 | \li XB360: Yes
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33 |
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34 | @see NxRay NxCapsule
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35 | */
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36 | NX_INLINE NxU32 NX_CALL_CONV NxRayCapsuleIntersect(const NxVec3& origin, const NxVec3& dir,
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37 | const NxCapsule& capsule, NxReal t[2])
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38 | {
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39 | return NxGetUtilLib()->NxRayCapsuleIntersect(origin,dir,capsule,t);
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40 | }
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41 |
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42 | /**
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43 | \brief Segment-capsule intersection test.
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44 |
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45 | Returns number of intersection points (0,1 or 2) and corresponding parameters along the ray.
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46 |
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47 | \warning #NxCreatePhysicsSDK() must be called before using this function.
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48 |
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49 | \param[in] segment Line segment. <b>Range:</b> See #NxSegment
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50 | \param[in] capsule Capsule to test. <b>Range:</b> See #NxCapsule
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51 | \param[out] nbImpacts Number of intersection point (0, 1 or 2)
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52 | \param[out] t Parameter of intersection on the ray.
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53 |
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54 | <b>Platform:</b>
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55 | \li PC SW: Yes
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56 | \li PPU : Yes
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57 | \li PS3 : Yes
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58 | \li XB360: Yes
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59 |
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60 | @see NxSegement NxCapsule
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61 | */
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62 | NX_INLINE void NxSegmentCapsuleIntersect(const NxSegment& segment, const NxCapsule& capsule, NxU32* nbImpacts,
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63 | NxReal t[2])
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64 | {
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65 | NxReal s[2];
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66 | NxU32 numISec = NxRayCapsuleIntersect(segment.p0, segment.computeDirection(), capsule,s);
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67 |
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68 | NxU32 numClip = 0;
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69 | for(NxU32 i = 0; i < numISec; i++)
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70 | {
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71 | if ( 0.0f <= s[i] && s[i] <= 1.0f ) t[numClip++] = s[i];
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72 | }
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73 |
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74 | *nbImpacts = numClip;
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75 | }
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76 | //}
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77 |
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78 | /** @} */
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79 | #endif
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80 |
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81 |
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82 | //AGCOPYRIGHTBEGIN
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83 | ///////////////////////////////////////////////////////////////////////////
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84 | // Copyright © 2005 AGEIA Technologies.
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85 | // All rights reserved. www.ageia.com
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86 | ///////////////////////////////////////////////////////////////////////////
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87 | //AGCOPYRIGHTEND
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88 |
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