C++ FBodyInstance::UpdateBodyScale方法代码示例

//.........这里部分代码省略.........

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

			// Iterate over each body
			for (int32 i = 0; i < Bodies.Num(); i++)
			{
				// If we have a physics body, and its kinematic...
				FBodyInstance* BodyInst = Bodies[i];
				check(BodyInst);

				if (bTeleport || (BodyInst->IsValidBodyInstance() && !BodyInst->IsInstanceSimulatingPhysics()))
				{
					const int32 BoneIndex = BodyInst->InstanceBoneIndex;

					// If we could not find it - warn.
					if (BoneIndex == INDEX_NONE || BoneIndex >= GetNumSpaceBases())
					{
						const FName BodyName = PhysicsAsset->BodySetup[i]->BoneName;
						UE_LOG(LogPhysics, Log, TEXT("UpdateRBBones: WARNING: Failed to find bone '%s' need by PhysicsAsset '%s' in SkeletalMesh '%s'."), *BodyName.ToString(), *PhysicsAsset->GetName(), *SkeletalMesh->GetName());
					}
					else
					{
#if WITH_PHYSX
						// update bone transform to world
						const FTransform BoneTransform = InSpaceBases[BoneIndex] * CurrentLocalToWorld;
						if(BoneTransform.ContainsNaN())
						{
							const FName BodyName = PhysicsAsset->BodySetup[i]->BoneName;
							UE_LOG(LogPhysics, Warning, TEXT("UpdateKinematicBonesToAnim: Trying to set transform with bad data %s on PhysicsAsset '%s' in SkeletalMesh '%s' for bone '%s'"), *BoneTransform.ToHumanReadableString(), *PhysicsAsset->GetName(), *SkeletalMesh->GetName(), *BodyName.ToString());
							continue;
						}					

						// If kinematic and not teleporting, set kinematic target
						PxRigidDynamic* PRigidDynamic = BodyInst->GetPxRigidDynamic_AssumesLocked();
						if (!IsRigidBodyNonKinematic_AssumesLocked(PRigidDynamic) && !bTeleport)
						{
							PhysScene->SetKinematicTarget_AssumesLocked(BodyInst, BoneTransform, true);
						}
						// Otherwise, set global pose
						else
						{
							const PxTransform PNewPose = U2PTransform(BoneTransform);
							ensure(PNewPose.isValid());
							PRigidDynamic->setGlobalPose(PNewPose);
						}
#endif


						// now update scale
						// if uniform, we'll use BoneTranform
						if (MeshScale3D.IsUniform())
						{
							// @todo UE4 should we update scale when it's simulated?
							BodyInst->UpdateBodyScale(BoneTransform.GetScale3D());
						}
						else
						{
							// @note When you have non-uniform scale on mesh base,
							// hierarchical bone transform can update scale too often causing performance issue
							// So we just use mesh scale for all bodies when non-uniform
							// This means physics representation won't be accurate, but
							// it is performance friendly by preventing too frequent physics update
							BodyInst->UpdateBodyScale(MeshScale3D);
						}
					}
				}
				else
				{
					//make sure you have physics weight or blendphysics on, otherwise, you'll have inconsistent representation of bodies
					// @todo make this to be kismet log? But can be too intrusive
					if (!bBlendPhysics && BodyInst->PhysicsBlendWeight <= 0.f && BodyInst->BodySetup.IsValid())
					{
						UE_LOG(LogPhysics, Warning, TEXT("%s(Mesh %s, PhysicsAsset %s, Bone %s) is simulating, but no blending. "),
							*GetName(), *GetNameSafe(SkeletalMesh), *GetNameSafe(PhysicsAsset), *BodyInst->BodySetup.Get()->BoneName.ToString());
					}
				}
			}

#if WITH_PHYSX
			// Unlock the scenes 
			if (bHasBodiesInSyncScene)
			{
				SCENE_UNLOCK_WRITE(PhysScene->GetPhysXScene(PST_Sync))
			}

			if (bHasBodiesInAsyncScene)
			{
				SCENE_UNLOCK_WRITE(PhysScene->GetPhysXScene(PST_Async))
			}
#endif
		}
	}
	else
	{
		//per poly update requires us to update all vertex positions
		if (MeshObject)