Revision control
+ // Redistribution and use in source and binary forms, with or without
+ // modification, are permitted provided that the following conditions
+ // are met:
+ // * Redistributions of source code must retain the above copyright
+ // notice, this list of conditions and the following disclaimer.
+ // * Redistributions in binary form must reproduce the above copyright
+ // notice, this list of conditions and the following disclaimer in the
+ // documentation and/or other materials provided with the distribution.
+ // * Neither the name of NVIDIA CORPORATION nor the names of its
+ // contributors may be used to endorse or promote products derived
+ // from this software without specific prior written permission.
+ //
+ // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
+ // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ // OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ //
+ // Copyright (c) 2008-2026 NVIDIA Corporation. All rights reserved.
+
+ #ifndef DY_PARTICLESYSTEM_CORE_H
+ #define DY_PARTICLESYSTEM_CORE_H
+
+ #include "foundation/PxSimpleTypes.h"
+ #include "foundation/PxTransform.h"
+ #include "foundation/PxArray.h"
+ #include "foundation/PxMemory.h"
+ #include "PxParticleSystem.h"
+ #include "PxParticleBuffer.h"
+ #include "CmIDPool.h"
+ #include "PxSparseGridParams.h"
+
+ namespace physx
+ {
+ class PxsParticleBuffer;
+
+ namespace Dy
+ {
+
+ class ParticleSystemCore
+ {
+ public:
+
+ PxReal sleepThreshold;
+ PxReal freezeThreshold;
+ PxReal wakeCounter;
+
+ PxU32 gridSizeX;
+ PxU32 gridSizeY;
+ PxU32 gridSizeZ;
+
+ PxU16 solverIterationCounts;
+
+ PxSparseGridParams sparseGridParams;
+
+ PxReal restOffset;
+ PxReal particleContactOffset;
+ PxReal particleContactOffset_prev;
+ PxReal solidRestOffset;
+ PxReal fluidRestOffset;
+ PxReal fluidRestOffset_prev;
+
+ PxReal fluidBoundaryDensityScale;
+
+ PxReal maxDepenetrationVelocity;
+ PxReal maxVelocity;
+
+ PxParticleFlags mFlags;
+ PxParticleLockFlags mLockFlags;
+
+ PxVec3 mWind;
+
+ PxU32 mMaxNeighborhood;
+ PxReal mNeighborhoodScale;
+
+ PxArray<PxU16> mPhaseGroupToMaterialHandle;
+ PxArray<PxU16> mUniqueMaterialHandles; //just for reporting
+
+ PxU32 getNumUserBuffers() const
+ {
+ return mParticleBuffers.size() + mParticleDiffuseBuffers.size();
+ }
+
+ //device
+ PxArray<PxsParticleBuffer*> mParticleBuffers;
+ PxArray<PxsParticleBuffer*> mParticleDiffuseBuffers;
+
+ bool mParticleBufferUpdate;
+ bool mParticleDiffuseBufferUpdate;
+
+ PxParticleSystemCallback* mCallback;
+
+ ParticleSystemCore()
+ {
+ PxMemSet(this, 0, sizeof(*this));
+ mParticleBufferUpdate = false;
+ mParticleDiffuseBufferUpdate = false;
+ }
+
+ };
+
+ } // namespace Dy
+ } // namespace physx
+
+ #endif
+