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/Samples/SampleVehicle/SampleVehicle_GameLogic.cpp b/PhysX_3.4/Samples/SampleVehicle/SampleVehicle_GameLogic.cpp
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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.  
+
+#include "SampleVehicle_GameLogic.h"
+
+void SampleVehicleWayPoints::getNextWayPointsAndLineDirs(PxU32& numPoints, PxVec3& v0, PxVec3& v1, PxVec3& v2, PxVec3& w0, PxVec3& w1, PxVec3& w2) const
+{
+	numPoints=0;
+	if((mProgress+1) < mNumWayPoints)
+	{
+		v0=mWayPoints[mProgress+1].p;
+		w0=mWayPoints[mProgress+1].q.getBasisVector0();
+		numPoints++;
+
+		if((mProgress+2) < mNumWayPoints)
+		{
+			v1=mWayPoints[mProgress+2].p;
+			w1=mWayPoints[mProgress+2].q.getBasisVector0();
+			numPoints++;
+
+			if((mProgress+3) < mNumWayPoints)
+			{
+				v2=mWayPoints[mProgress+3].p;
+				w2=mWayPoints[mProgress+3].q.getBasisVector0();
+				numPoints++;
+			}
+		}
+	}
+}
+
+#define LINEWIDTH 8
+#define LINEDISTANCE2 3*3
+void SampleVehicleWayPoints::update(const PxTransform& playerTransform, const PxF32 timestep)
+{
+	//Increment the elapsed time
+	mTimeElapsed+=timestep;
+
+	//Work out the point on the crossing line of the next way-point that is closest to the player.
+	const PxTransform& nextWayPoint=mWayPoints[mProgress+1];
+	const PxVec3 v=nextWayPoint.p;
+	const PxVec3 w=nextWayPoint.q.getBasisVector0();
+	const PxVec3 p=playerTransform.p;
+	const PxVec3 pv=p-v;
+	const PxF32 t=pv.dot(w);
+
+	//Test if the player's position is inside the width of the line crossing the next way-point.
+	if(PxAbs(t) < LINEWIDTH)
+	{
+		//Now test if the shortest distance to the next crossing line is smaller than a threshold.
+		const PxVec3 linePos=v+w*t;
+		const PxVec3 diff=p-linePos;
+		const PxF32 dist2=diff.magnitudeSquared();
+		if(dist2<LINEDISTANCE2)
+		{
+			mProgress++;
+		}
+	}
+
+	if(mProgress == mNumWayPoints-1)
+	{
+		mMinTimeElapsed=PxMin(mTimeElapsed, mMinTimeElapsed);
+		mTimeElapsed=0;
+		mProgress=0;
+	}
+}