ue5 小知识点 geometry script modeling

append mesh 用着有问题，mesh会变 有时候normal变了

用Boolean union模式就行 就是速度有点慢

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ADynamicMeshActor里面自带一个pool

UDynamicMeshPool* ADynamicMeshActor::GetComputeMeshPool()
{
	if (DynamicMeshPool == nullptr && bEnableComputeMeshPool)
	{
		DynamicMeshPool = NewObject<UDynamicMeshPool>();
	}
	return DynamicMeshPool;
}


UDynamicMesh* ADynamicMeshActor::AllocateComputeMesh()
{
	if (bEnableComputeMeshPool)
	{
		UDynamicMeshPool* UsePool = GetComputeMeshPool();
		if (UsePool)
		{
			return UsePool->RequestMesh();
		}
	}

	// if we could not return a pool mesh, allocate a new mesh that isn't owned by the pool
	return NewObject<UDynamicMesh>(this);
}