feat(physics): wire physx sdk into build

engine/third_party/physx/include/extensions/PxConvexMeshExt.h

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+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+//  * Redistributions of source code must retain the above copyright
+//    notice, this list of conditions and the following disclaimer.
+//  * Redistributions in binary form must reproduce the above copyright
+//    notice, this list of conditions and the following disclaimer in the
+//    documentation and/or other materials provided with the distribution.
+//  * Neither the name of NVIDIA CORPORATION nor the names of its
+//    contributors may be used to endorse or promote products derived
+//    from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+// PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+// Copyright (c) 2008-2025 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_CONVEX_MESH_EXT_H
+#define PX_CONVEX_MESH_EXT_H
+
+#include "PxPhysXConfig.h"
+#include "common/PxPhysXCommonConfig.h"
+#include "foundation/PxTransform.h"
+
+#if !PX_DOXYGEN
+namespace physx
+{
+#endif
+
+	class PxConvexMeshGeometry;
+
+	/**
+	\brief Computes closest polygon of the convex hull geometry for a given impact point
+	and impact direction. When doing sweeps against a scene, one might want to delay
+	the rather expensive computation of the hit face index for convexes until it is clear
+	the information is really needed and then use this method to get the corresponding
+	face index.
+	
+	\param[in] convexGeom The convex mesh geometry.
+	\param[in] geomPose Pose for the geometry object.
+	\param[in] impactPos Impact position.
+	\param[in] unitDir Normalized impact direction.
+
+	\return Closest face index of the convex geometry.
+
+	\see PxTransform PxConvexMeshGeometry
+	*/
+	PxU32 PxFindFaceIndex(const PxConvexMeshGeometry& convexGeom, 
+								   const PxTransform& geomPose,
+								   const PxVec3& impactPos, 
+								   const PxVec3& unitDir);
+
+#if !PX_DOXYGEN
+} // namespace physx
+#endif
+
+#endif