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| author | git perforce import user <a@b> | 2016-10-25 12:29:14 -0600 |
|---|---|---|
| committer | Sheikh Dawood Abdul Ajees <Sheikh Dawood Abdul Ajees> | 2016-10-25 18:56:37 -0500 |
| commit | 3dfe2108cfab31ba3ee5527e217d0d8e99a51162 (patch) | |
| tree | fa6485c169e50d7415a651bf838f5bcd0fd3bfbd /PhysX_3.4/Source/GeomUtils/src/distance/GuDistancePointBox.cpp | |
| download | physx-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]
Diffstat (limited to 'PhysX_3.4/Source/GeomUtils/src/distance/GuDistancePointBox.cpp')
| -rw-r--r-- | PhysX_3.4/Source/GeomUtils/src/distance/GuDistancePointBox.cpp | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/PhysX_3.4/Source/GeomUtils/src/distance/GuDistancePointBox.cpp b/PhysX_3.4/Source/GeomUtils/src/distance/GuDistancePointBox.cpp new file mode 100644 index 00000000..3ce79cbd --- /dev/null +++ b/PhysX_3.4/Source/GeomUtils/src/distance/GuDistancePointBox.cpp @@ -0,0 +1,66 @@ +// 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 "GuDistancePointBox.h" + +using namespace physx; + +PxReal Gu::distancePointBoxSquared( const PxVec3& point, + const PxVec3& boxOrigin, const PxVec3& boxExtent, const PxMat33& boxBase, + PxVec3* boxParam) +{ + // Compute coordinates of point in box coordinate system + const PxVec3 diff = point - boxOrigin; + + PxVec3 closest( boxBase.column0.dot(diff), + boxBase.column1.dot(diff), + boxBase.column2.dot(diff)); + + // Project test point onto box + PxReal sqrDistance = 0.0f; + for(PxU32 ax=0; ax<3; ax++) + { + if(closest[ax] < -boxExtent[ax]) + { + const PxReal delta = closest[ax] + boxExtent[ax]; + sqrDistance += delta*delta; + closest[ax] = -boxExtent[ax]; + } + else if(closest[ax] > boxExtent[ax]) + { + const PxReal delta = closest[ax] - boxExtent[ax]; + sqrDistance += delta*delta; + closest[ax] = boxExtent[ax]; + } + } + + if(boxParam) *boxParam = closest; + + return sqrDistance; +} |