genesis-3d_engine/Engine/ExtIncludes/physX3/windows/geometry/PxMeshQuery.h

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// Copyright (c) 2008-2013 NVIDIA Corporation. All rights reserved.
// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
#ifndef PX_PHYSICS_GEOMUTILS_PX_MESH_QUERY
#define PX_PHYSICS_GEOMUTILS_PX_MESH_QUERY
/** \addtogroup geomutils
@{
*/
#include "geometry/PxPhysXGeomUtils.h"
#ifndef PX_DOXYGEN
namespace physx
{
#endif
class PxGeometry;
class PxConvexMeshGeometry;
class PxTriangleMeshGeometry;
class PxHeightFieldGeometry;
class PxTriangle;
class PxMeshQuery
{
public:
/**
\brief Retrieves triangle data from a triangle ID.
This function can be used together with #findOverlapTriangleMesh() to retrieve triangle properties.
\param[in] triGeom Geometry of the triangle mesh to extract the triangle from.
\param[in] transform Transform for the triangle mesh
\param[in] triangleIndex The index of the triangle to retrieve.
\param[out] triangle Triangle points in world space.
\param[out] vertexIndices Returned vertex indices for given triangle
\param[out] adjacencyIndices Returned 3 triangle adjacency internal face indices (0xFFFFFFFF if no adjacency). The mesh must be cooked with cooking param buildTriangleAdjacencies enabled.
@see PxTriangle PxTriangleFlags PxTriangleID findOverlapTriangleMesh()
*/
PX_PHYSX_COMMON_API static void getTriangle(const PxTriangleMeshGeometry& triGeom, const PxTransform& transform, PxTriangleID triangleIndex, PxTriangle& triangle, PxU32* vertexIndices=NULL, PxU32* adjacencyIndices=NULL);
/**
\brief Retrieves triangle data from a triangle ID.
This function can be used together with #findOverlapHeightField() to retrieve triangle properties.
\param[in] hfGeom Geometry of the height field to extract the triangle from.
\param[in] transform Transform for the height field.
\param[in] triangleIndex The index of the triangle to retrieve.
\param[out] triangle Triangle points in world space.
\param[out] vertexIndices Returned vertex indices for given triangle
\param[out] adjacencyIndices Returned 3 triangle adjacency triangle indices (0xFFFFFFFF if no adjacency).
@see PxTriangle PxTriangleFlags PxTriangleID findOverlapHeightField()
*/
PX_PHYSX_COMMON_API static void getTriangle(const PxHeightFieldGeometry& hfGeom, const PxTransform& transform, PxTriangleID triangleIndex, PxTriangle& triangle, PxU32* vertexIndices=NULL, PxU32* adjacencyIndices=NULL);
/**
\brief Find the mesh triangles which touch the specified geometry object.
Returned triangle indices can be used with #getTriangle() to retrieve the triangle properties.
\param[in] geom0 The geometry object to test for mesh triangle overlaps. Supported geometries are #PxSphereGeometry, #PxCapsuleGeometry and #PxBoxGeometry
\param[in] pose0 Pose of the geometry object
\param[in] geom1 The triangle mesh geometry to check overlap against
\param[in] pose1 Pose of the triangle mesh
\param[out] results Indices of overlapping triangles
\param[in] maxResults Size of 'results' buffer
\param[in] startIndex Index of first result to be retrieved. Previous indices are skipped.
\param[out] overflow True if a buffer overflow occured
\return Number of overlaps found, i.e. number of elements written to the results buffer
@see PxTriangleMeshGeometry getTriangle()
*/
PX_PHYSX_COMMON_API static PxU32 findOverlapTriangleMesh(const PxGeometry& geom0, const PxTransform& pose0,
const PxTriangleMeshGeometry& geom1, const PxTransform& pose1,
PxU32* results, PxU32 maxResults, PxU32 startIndex, bool& overflow);
/**
\brief Find the height field triangles which touch the specified geometry object.
Returned triangle indices can be used with #getTriangle() to retrieve the triangle properties.
\param[in] geom0 The geometry object to test for height field overlaps. Supported geometries are #PxBoxGeometry
\param[in] pose0 Pose of the geometry object
\param[in] geom1 The height field geometry to check overlap against
\param[in] pose1 Pose of the height field
\param[out] results Indices of overlapping triangles
\param[in] maxResults Size of 'results' buffer
\param[in] startIndex Index of first result to be retrieved. Previous indices are skipped.
\param[out] overflow True if a buffer overflow occured
\return Number of overlaps found, i.e. number of elements written to the results buffer
@see PxHeightFieldGeometry getTriangle()
*/
PX_PHYSX_COMMON_API static PxU32 findOverlapHeightField(const PxGeometry& geom0,
const PxTransform& pose0,
const PxHeightFieldGeometry& geom1,
const PxTransform& pose1,
PxU32* results, PxU32 maxResults, PxU32 startIndex, bool& overflow);
};
#ifndef PX_DOXYGEN
}
#endif
/** @} */
#endif