C++ (Cpp) PxScene::lockRead示例

void UDestructibleComponent::AddRadialForce(FVector Origin, float Radius, float Strength, ERadialImpulseFalloff Falloff, bool bAccelChange /* = false */)
{
#if WITH_APEX
	if(bIgnoreRadialForce)
	{
		return;
	}

	if (ApexDestructibleActor == NULL)
	{
		return;
	}

	PxRigidDynamic** PActorBuffer = NULL;
	PxU32 PActorCount = 0;
	if (ApexDestructibleActor->acquirePhysXActorBuffer(PActorBuffer, PActorCount, NxDestructiblePhysXActorQueryFlags::Dynamic))
	{
		PxScene* LockedScene = NULL;
		

		while (PActorCount--)
		{
			PxRigidDynamic* PActor = *PActorBuffer++;
			if (PActor != NULL)
			{
				if (!LockedScene)
				{
					LockedScene = PActor->getScene();
					LockedScene->lockWrite();
					LockedScene->lockRead();
				}

				AddRadialForceToPxRigidBody_AssumesLocked(*PActor, Origin, Radius, Strength, Falloff, bAccelChange);
			}

			if (LockedScene)
			{
				LockedScene->unlockRead();
				LockedScene->unlockWrite();
				LockedScene = NULL;
			}
		}
		ApexDestructibleActor->releasePhysXActorBuffer();
	}
#endif	// #if WITH_APEX
}

示例#2

显示文件

文件： DestructibleComponent.cpp 项目： johndpope/UE4

void UDestructibleComponent::SetCollisionResponseForAllActors(const FCollisionResponseContainer& ResponseOverride)
{
#if WITH_APEX
	if (ApexDestructibleActor == NULL)
	{
		return;
	}

	PxRigidDynamic** PActorBuffer = NULL;
	PxU32 PActorCount = 0;
	if (ApexDestructibleActor->acquirePhysXActorBuffer(PActorBuffer, PActorCount))
	{
		PxScene* LockedScene = NULL;

		while (PActorCount--)
		{
			PxRigidDynamic* PActor = *PActorBuffer++;
			if (PActor != NULL)
			{
				FDestructibleChunkInfo* ChunkInfo = FPhysxUserData::Get<FDestructibleChunkInfo>(PActor->userData);
				if (ChunkInfo != NULL)
				{
					if (!LockedScene)
					{
						LockedScene = PActor->getScene();
						LockedScene->lockWrite();
						LockedScene->lockRead();
					}
					SetCollisionResponseForActor(PActor, ChunkInfo->ChunkIndex, &ResponseOverride);	// ChunkIndex is the last chunk made visible.  But SetCollisionResponseForActor already doesn't respect per-chunk collision properties.
				}
			}
		}

		if (LockedScene)
		{
			LockedScene->unlockRead();
			LockedScene->unlockWrite();
			LockedScene = NULL;
		}

		ApexDestructibleActor->releasePhysXActorBuffer();
	}
#endif
}