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Diffstat (limited to 'PhysX_3.4/Source/PhysXExtensions/src/ExtBroadPhase.cpp')
| -rw-r--r-- | PhysX_3.4/Source/PhysXExtensions/src/ExtBroadPhase.cpp | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/PhysX_3.4/Source/PhysXExtensions/src/ExtBroadPhase.cpp b/PhysX_3.4/Source/PhysXExtensions/src/ExtBroadPhase.cpp new file mode 100644 index 00000000..0e079323 --- /dev/null +++ b/PhysX_3.4/Source/PhysXExtensions/src/ExtBroadPhase.cpp @@ -0,0 +1,74 @@ +// 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 "foundation/PxBounds3.h" +#include "PxBroadPhaseExt.h" +#include "PsFoundation.h" +#include "CmPhysXCommon.h" + +using namespace physx; + +PxU32 PxBroadPhaseExt::createRegionsFromWorldBounds(PxBounds3* regions, const PxBounds3& globalBounds, PxU32 nbSubdiv, PxU32 upAxis) +{ + PX_CHECK_MSG(globalBounds.isValid(), "PxBroadPhaseExt::createRegionsFromWorldBounds(): invalid bounds provided!"); + PX_CHECK_MSG(upAxis<3, "PxBroadPhaseExt::createRegionsFromWorldBounds(): invalid up-axis provided!"); + + const PxVec3& min = globalBounds.minimum; + const PxVec3& max = globalBounds.maximum; + const float dx = (max.x - min.x) / float(nbSubdiv); + const float dy = (max.y - min.y) / float(nbSubdiv); + const float dz = (max.z - min.z) / float(nbSubdiv); + PxU32 nbRegions = 0; + PxVec3 currentMin, currentMax; + for(PxU32 j=0;j<nbSubdiv;j++) + { + for(PxU32 i=0;i<nbSubdiv;i++) + { + if(upAxis==0) + { + currentMin = PxVec3(min.x, min.y + dy * float(i), min.z + dz * float(j)); + currentMax = PxVec3(max.x, min.y + dy * float(i+1), min.z + dz * float(j+1)); + } + else if(upAxis==1) + { + currentMin = PxVec3(min.x + dx * float(i), min.y, min.z + dz * float(j)); + currentMax = PxVec3(min.x + dx * float(i+1), max.y, min.z + dz * float(j+1)); + } + else if(upAxis==2) + { + currentMin = PxVec3(min.x + dx * float(i), min.y + dy * float(j), min.z); + currentMax = PxVec3(min.x + dx * float(i+1), min.y + dy * float(j+1), max.z); + } + + regions[nbRegions++] = PxBounds3(currentMin, currentMax); + } + } + return nbRegions; +} |