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authorgit perforce import user <a@b>2016-10-25 12:29:14 -0600
committerSheikh Dawood Abdul Ajees <Sheikh Dawood Abdul Ajees>2016-10-25 18:56:37 -0500
commit3dfe2108cfab31ba3ee5527e217d0d8e99a51162 (patch)
treefa6485c169e50d7415a651bf838f5bcd0fd3bfbd /KaplaDemo/samples/sampleViewer3/TerrainRandomSamplePrecompute.h
downloadphysx-3.4-3dfe2108cfab31ba3ee5527e217d0d8e99a51162.tar.xz
physx-3.4-3dfe2108cfab31ba3ee5527e217d0d8e99a51162.zip
Initial commit:
PhysX 3.4.0 Update @ 21294896 APEX 1.4.0 Update @ 21275617 [CL 21300167]
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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) 2008-2014 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 TERRAIN_RANDOM_SAMPLE_PRECOMPUTED_H
+#define TERRAIN_RANDOM_SAMPLE_PRECOMPUTED_H
+
+#include "common/PxPhysXCommonConfig.h"
+#include "foundation/PxAssert.h"
+
+using namespace physx;
+
+class SceneVehicle;
+
+class TerrainRandomSamplePrecompute
+{
+public:
+
+ TerrainRandomSamplePrecompute(SceneVehicle& app, const char* resourcePath);
+ ~TerrainRandomSamplePrecompute();
+
+ PxF32 getRandom() const { return mPrecomputedRandomSequence[(mPrecomputedRandomSequenceCount++) % PRECOMPUTED_RANDOM_SEQUENCE_SIZE]; }
+ PxF32 getRandomInRange(const PxF32 a, const PxF32 b)
+ {
+ PX_ASSERT(b>a);
+ return a + (b - a)*getRandom();
+ }
+
+private:
+
+ enum
+ {
+ PRECOMPUTED_RANDOM_SEQUENCE_SIZE = 65536
+ };
+ PxF32* mPrecomputedRandomSequence;
+ mutable PxU32 mPrecomputedRandomSequenceCount;
+};
+
+#endif //TERRAIN_RANDOM_SAMPLE_PRECOMPUTED_H