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C++ FPhysScene::MarkForPreSimKinematicUpdate方法代码示例

本文整理汇总了C++中FPhysScene::MarkForPreSimKinematicUpdate方法的典型用法代码示例。如果您正苦于以下问题:C++ FPhysScene::MarkForPreSimKinematicUpdate方法的具体用法?C++ FPhysScene::MarkForPreSimKinematicUpdate怎么用?C++ FPhysScene::MarkForPreSimKinematicUpdate使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在FPhysScene的用法示例。


在下文中一共展示了FPhysScene::MarkForPreSimKinematicUpdate方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: UpdateKinematicBonesToAnim

void USkeletalMeshComponent::UpdateKinematicBonesToAnim(const TArray<FTransform>& InSpaceBases, ETeleportType Teleport, bool bNeedsSkinning, EAllowKinematicDeferral DeferralAllowed)
{
	SCOPE_CYCLE_COUNTER(STAT_UpdateRBBones);

	// This below code produces some interesting result here
	// - below codes update physics data, so if you don't update pose, the physics won't have the right result
	// - but if we just update physics bone without update current pose, it will have stale data
	// If desired, pass the animation data to the physics joints so they can be used by motors.
	// See if we are going to need to update kinematics
	const bool bUpdateKinematics = (KinematicBonesUpdateType != EKinematicBonesUpdateToPhysics::SkipAllBones);
	const bool bTeleport = Teleport == ETeleportType::TeleportPhysics;
	// If desired, update physics bodies associated with skeletal mesh component to match.
	if(!bUpdateKinematics && !(bTeleport && IsAnySimulatingPhysics()))
	{
		// nothing to do 
		return;
	}

	// Get the scene, and do nothing if we can't get one.
	FPhysScene* PhysScene = nullptr;
	if (GetWorld() != nullptr)
	{
		PhysScene = GetWorld()->GetPhysicsScene();
	}

	if(PhysScene == nullptr)
	{
		return;
	}

	const FTransform& CurrentLocalToWorld = ComponentToWorld;

	// Gracefully handle NaN
	if(CurrentLocalToWorld.ContainsNaN())
	{
		return;
	}

	// If we are only using bodies for physics, don't need to move them right away, can defer until simulation (unless told not to)
	if(BodyInstance.GetCollisionEnabled() == ECollisionEnabled::PhysicsOnly && DeferralAllowed == EAllowKinematicDeferral::AllowDeferral)
	{
		PhysScene->MarkForPreSimKinematicUpdate(this, Teleport, bNeedsSkinning);
		return;
	}

#if !(UE_BUILD_SHIPPING || UE_BUILD_TEST)
	// If desired, draw the skeleton at the point where we pass it to the physics.
	if (bShowPrePhysBones && SkeletalMesh && InSpaceBases.Num() == SkeletalMesh->RefSkeleton.GetNum())
	{
		for (int32 i = 1; i<InSpaceBases.Num(); i++)
		{
			FVector ThisPos = CurrentLocalToWorld.TransformPosition(InSpaceBases[i].GetLocation());

			int32 ParentIndex = SkeletalMesh->RefSkeleton.GetParentIndex(i);
			FVector ParentPos = CurrentLocalToWorld.TransformPosition(InSpaceBases[ParentIndex].GetLocation());

			GetWorld()->LineBatcher->DrawLine(ThisPos, ParentPos, AnimSkelDrawColor, SDPG_Foreground);
		}
	}
#endif

	// warn if it has non-uniform scale
	const FVector& MeshScale3D = CurrentLocalToWorld.GetScale3D();
#if !(UE_BUILD_SHIPPING || UE_BUILD_TEST)
	if( !MeshScale3D.IsUniform() )
	{
		UE_LOG(LogPhysics, Log, TEXT("USkeletalMeshComponent::UpdateKinematicBonesToAnim : Non-uniform scale factor (%s) can cause physics to mismatch for %s  SkelMesh: %s"), *MeshScale3D.ToString(), *GetFullName(), SkeletalMesh ? *SkeletalMesh->GetFullName() : TEXT("NULL"));
	}
#endif


	if (bEnablePerPolyCollision == false)
	{
		const UPhysicsAsset* const PhysicsAsset = GetPhysicsAsset();
		if (PhysicsAsset && SkeletalMesh && Bodies.Num() > 0)
		{
#if !(UE_BUILD_SHIPPING || UE_BUILD_TEST)
			if (!ensure(PhysicsAsset->BodySetup.Num() == Bodies.Num()))
			{
				// related to TTP 280315
				UE_LOG(LogPhysics, Warning, TEXT("Mesh (%s) has PhysicsAsset(%s), and BodySetup(%d) and Bodies(%d) don't match"),
					*SkeletalMesh->GetName(), *PhysicsAsset->GetName(), PhysicsAsset->BodySetup.Num(), Bodies.Num());
				return;
			}
#endif

#if WITH_PHYSX
			// Lock the scenes we need (flags set in InitArticulated)
			if(bHasBodiesInSyncScene)
			{
				SCENE_LOCK_WRITE(PhysScene->GetPhysXScene(PST_Sync))
			}

			if (bHasBodiesInAsyncScene)
			{
				SCENE_LOCK_WRITE(PhysScene->GetPhysXScene(PST_Async))
			}
#endif

			// Iterate over each body
//.........这里部分代码省略.........
开发者ID:RandomDeveloperM,项目名称:UE4_Hairworks,代码行数:101,代码来源:PhysAnim.cpp


注:本文中的FPhysScene::MarkForPreSimKinematicUpdate方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。