75 lines
3.2 KiB
C++
75 lines
3.2 KiB
C++
//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of NVIDIA CORPORATION nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Copyright (c) 2008-2019 NVIDIA Corporation. All rights reserved.
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// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
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// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
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#include "foundation/PxBounds3.h"
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#include "extensions/PxBroadPhaseExt.h"
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#include "PsFoundation.h"
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#include "CmPhysXCommon.h"
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using namespace physx;
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PxU32 PxBroadPhaseExt::createRegionsFromWorldBounds(PxBounds3* regions, const PxBounds3& globalBounds, PxU32 nbSubdiv, PxU32 upAxis)
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{
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PX_CHECK_MSG(globalBounds.isValid(), "PxBroadPhaseExt::createRegionsFromWorldBounds(): invalid bounds provided!");
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PX_CHECK_MSG(upAxis<3, "PxBroadPhaseExt::createRegionsFromWorldBounds(): invalid up-axis provided!");
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const PxVec3& min = globalBounds.minimum;
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const PxVec3& max = globalBounds.maximum;
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const float dx = (max.x - min.x) / float(nbSubdiv);
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const float dy = (max.y - min.y) / float(nbSubdiv);
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const float dz = (max.z - min.z) / float(nbSubdiv);
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PxU32 nbRegions = 0;
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PxVec3 currentMin, currentMax;
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for(PxU32 j=0;j<nbSubdiv;j++)
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{
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for(PxU32 i=0;i<nbSubdiv;i++)
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{
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if(upAxis==0)
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{
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currentMin = PxVec3(min.x, min.y + dy * float(i), min.z + dz * float(j));
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currentMax = PxVec3(max.x, min.y + dy * float(i+1), min.z + dz * float(j+1));
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}
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else if(upAxis==1)
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{
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currentMin = PxVec3(min.x + dx * float(i), min.y, min.z + dz * float(j));
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currentMax = PxVec3(min.x + dx * float(i+1), max.y, min.z + dz * float(j+1));
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}
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else if(upAxis==2)
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{
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currentMin = PxVec3(min.x + dx * float(i), min.y + dy * float(j), min.z);
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currentMax = PxVec3(min.x + dx * float(i+1), min.y + dy * float(j+1), max.z);
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}
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regions[nbRegions++] = PxBounds3(currentMin, currentMax);
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}
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}
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return nbRegions;
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}
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