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PhysX4.1/physx/source/geomutils/src/convex/GuConvexHelper.h
2025-11-28 23:13:44 +05:30

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#ifndef GU_CONVEXHELPER_H
#define GU_CONVEXHELPER_H
#include "GuShapeConvex.h"
namespace physx
{
namespace Gu
{
class GeometryUnion;
///////////////////////////////////////////////////////////////////////////
PX_PHYSX_COMMON_API void getScaledConvex( PxVec3*& scaledVertices, PxU8*& scaledIndices, PxVec3* dstVertices, PxU8* dstIndices,
bool idtConvexScale, const PxVec3* srcVerts, const PxU8* srcIndices, PxU32 nbVerts, const Cm::FastVertex2ShapeScaling& convexScaling);
// PT: calling this correctly isn't trivial so let's macroize it. At least we limit the damage since it immediately calls a real function.
#define GET_SCALEX_CONVEX(scaledVertices, stackIndices, idtScaling, nbVerts, scaling, srcVerts, srcIndices) \
getScaledConvex(scaledVertices, stackIndices, \
idtScaling ? NULL : reinterpret_cast<PxVec3*>(PxAlloca(nbVerts * sizeof(PxVec3))), \
idtScaling ? NULL : reinterpret_cast<PxU8*>(PxAlloca(nbVerts * sizeof(PxU8))), \
idtScaling, srcVerts, srcIndices, nbVerts, scaling);
PX_PHYSX_COMMON_API bool getConvexData(const Gu::GeometryUnion& shape, Cm::FastVertex2ShapeScaling& scaling, PxBounds3& bounds, PolygonalData& polyData);
struct ConvexEdge
{
PxU8 vref0;
PxU8 vref1;
PxVec3 normal; // warning: non-unit vector!
};
PX_PHYSX_COMMON_API PxU32 findUniqueConvexEdges(PxU32 maxNbEdges, ConvexEdge* PX_RESTRICT edges, PxU32 numPolygons, const Gu::HullPolygonData* PX_RESTRICT polygons, const PxU8* PX_RESTRICT vertexData);
}
}
#endif