rtcCollide - Online Linux Manual PageSection : 3
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Note : Embree Ray Tracing Kernels 3

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NAME rtcCollide − intersects one BVH with another

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SYNOPSIS #include <embree3/rtcore.h> struct RTCCollision {   unsigned int geomID0, primID0;   unsigned int geomID1, primID1; }; typedef void (*RTCCollideFunc) (   void* userPtr,   RTCCollision* collisions,   size_t num_collisions); void rtcCollide (     RTCScene hscene0,      RTCScene hscene1,      RTCCollideFunc callback,      void* userPtr );

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DESCRIPTIONThe rtcCollide function intersects the BVH of hscene0 with the BVH of scene hscene1 and calls a user defined callback function (e.g callback argument) for each pair of intersecting primitives between the two scenes. A user defined data pointer (userPtr argument) can also be passed in. For every pair of primitives that may intersect each other, the callback function (callback argument) is called. The user will be provided with the primID's and geomID's of multiple potentially intersecting primitive pairs. Currently, only scene entirely composed of user geometries are supported, thus the user is expected to implement a primitive/primitive intersection to filter out false positives in the callback function. The userPtr argument can be used to input geometry data of the scene or output results of the intersection query.

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SUPPORTED PRIMITIVESCurrently, the only supported type is the user geometry type (see [RTC_GEOMETRY_TYPE_USER]).

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EXIT STATUSOn failure an error code is set that can be queried using rtcGetDeviceError.

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SEE ALSO 0

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Online Linux Manual Page   :   Version   :   Online Linux Manual Page - Fedora.40 - march=x86-64 - mtune=generic - 24.12.05
Online Linux Manual Page   :   Library   :   lib_c - 24.10.03 - march=x86-64 - mtune=generic - Fedora.40
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