Initial commit:

PhysX 3.4.0 Update @ 21294896
APEX 1.4.0 Update @ 21275617

[CL 21300167]

1 files changed, 90 insertions, 0 deletions

diff --git a/PhysX_3.4/Source/GeomUtils/src/distance/GuDistancePointSegment.h b/PhysX_3.4/Source/GeomUtils/src/distance/GuDistancePointSegment.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_DISTANCE_POINT_SEGMENT_H
+#define GU_DISTANCE_POINT_SEGMENT_H
+
+#include "PxPhysXCommonConfig.h"
+#include "GuSegment.h"
+
+namespace physx
+{
+namespace Gu
+{
+	// dir = p1 - p0
+	PX_FORCE_INLINE PxReal distancePointSegmentSquaredInternal(const PxVec3& p0, const PxVec3& dir, const PxVec3& point, PxReal* param=NULL)
+	{
+		PxVec3 diff = point - p0;
+		PxReal fT = diff.dot(dir);
+
+		if(fT<=0.0f)
+		{
+			fT = 0.0f;
+		}
+		else
+		{
+			const PxReal sqrLen = dir.magnitudeSquared();
+			if(fT>=sqrLen)
+			{
+				fT = 1.0f;
+				diff -= dir;
+			}
+			else
+			{
+				fT /= sqrLen;
+				diff -= fT*dir;
+			}
+		}
+
+		if(param)
+			*param = fT;
+
+		return diff.magnitudeSquared();
+	}
+
+	/**
+	A segment is defined by S(t) = mP0 * (1 - t) + mP1 * t, with 0 <= t <= 1
+	Alternatively, a segment is S(t) = Origin + t * Direction for 0 <= t <= 1.
+	Direction is not necessarily unit length. The end points are Origin = mP0 and Origin + Direction = mP1.
+	*/
+	PX_FORCE_INLINE PxReal distancePointSegmentSquared(const PxVec3& p0, const PxVec3& p1, const PxVec3& point, PxReal* param=NULL)
+	{
+		return distancePointSegmentSquaredInternal(p0, p1 - p0, point, param);
+	}
+
+	PX_INLINE PxReal distancePointSegmentSquared(const Gu::Segment& segment, const PxVec3& point, PxReal* param=NULL)
+	{
+		return distancePointSegmentSquared(segment.p0, segment.p1, point, param);
+	}
+
+} // namespace Gu
+
+}
+
+#endif