Initial commit:

PhysX 3.4.0 Update @ 21294896
APEX 1.4.0 Update @ 21275617

[CL 21300167]

1 files changed, 91 insertions, 0 deletions

diff --git a/PhysX_3.4/Source/GeomUtils/src/intersection/GuIntersectionRayBox.h b/PhysX_3.4/Source/GeomUtils/src/intersection/GuIntersectionRayBox.h
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+// This code contains NVIDIA Confidential Information and is disclosed to you
+// under a form of NVIDIA software license agreement provided separately to you.
+//
+// Notice
+// NVIDIA Corporation and its licensors retain all intellectual property and
+// proprietary rights in and to this software and related documentation and
+// any modifications thereto. Any use, reproduction, disclosure, or
+// distribution of this software and related documentation without an express
+// license agreement from NVIDIA Corporation is strictly prohibited.
+//
+// ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES
+// NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO
+// THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT,
+// MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE.
+//
+// Information and code furnished is believed to be accurate and reliable.
+// However, NVIDIA Corporation assumes no responsibility for the consequences of use of such
+// information or for any infringement of patents or other rights of third parties that may
+// result from its use. No license is granted by implication or otherwise under any patent
+// or patent rights of NVIDIA Corporation. Details are subject to change without notice.
+// This code supersedes and replaces all information previously supplied.
+// NVIDIA Corporation products are not authorized for use as critical
+// components in life support devices or systems without express written approval of
+// NVIDIA Corporation.
+//
+// Copyright (c) 2008-2016 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 GU_INTERSECTION_RAY_BOX_H
+#define GU_INTERSECTION_RAY_BOX_H
+
+#include "foundation/PxIntrinsics.h"
+#include "PxPhysXCommonConfig.h"
+#include "CmPhysXCommon.h"
+
+namespace physx
+{
+namespace Gu
+{
+
+	bool	rayAABBIntersect(const PxVec3& minimum, const PxVec3& maximum, const PxVec3& origin, const PxVec3& _dir, PxVec3& coord);
+	PxU32	rayAABBIntersect2(const PxVec3& minimum, const PxVec3& maximum, const PxVec3& origin, const PxVec3& _dir, PxVec3& coord, PxReal & t);
+
+	// Collide ray defined by ray origin (rayOrigin) and ray direction (rayDirection)
+	// with the bounding box. Returns -1 on no collision and the face index
+	// for first intersection if a collision is found together with
+	// the distance to the collision points (tnear and tfar)
+	//
+	// ptchernev:
+	// Even though the above is the original comment by Pierre I am quite confident 
+	// that the tnear and tfar parameters are parameters along rayDirection of the
+	// intersection points:
+	//
+	// ip0 = rayOrigin + (rayDirection * tnear)
+	// ip1 = rayOrigin + (rayDirection * tfar)
+	//
+	// The return code is:
+	// -1 no intersection
+	//  0 the ray first hits the plane at aabbMin.x
+	//  1 the ray first hits the plane at aabbMin.y
+	//  2 the ray first hits the plane at aabbMin.z
+	//  3 the ray first hits the plane at aabbMax.x
+	//  4 the ray first hits the plane at aabbMax.y
+	//  5 the ray first hits the plane at aabbMax.z
+	//
+	// The return code will be -1 if the RAY does not intersect the AABB.
+	// The tnear and tfar values will give the parameters of the intersection 
+	// points between the INFINITE LINE and the AABB.
+	int PX_PHYSX_COMMON_API intersectRayAABB(	const PxVec3& minimum, const PxVec3& maximum,
+												const PxVec3& rayOrigin, const PxVec3& rayDirection,
+												float& tnear, float& tfar);
+
+	// Faster version when one-over-dir is available
+	int intersectRayAABB(	const PxVec3& minimum, const PxVec3& maximum,
+							const PxVec3& rayOrigin, const PxVec3& rayDirection, const PxVec3& invDirection,
+							float& tnear, float& tfar);
+
+	// minimum extent length required for intersectRayAABB2 to return true for a zero-extent box
+	// this can happen when inflating the raycast by a 2-d square
+	#define GU_MIN_AABB_EXTENT 1e-3f
+
+	// a much faster version that doesn't return face codes
+	bool PX_PHYSX_COMMON_API intersectRayAABB2(
+		const PxVec3& minimum, const PxVec3& maximum, const PxVec3& ro, const PxVec3& rd, float maxDist, float& tnear, float& tfar);
+
+} // namespace Gu
+
+}
+
+#endif