As you can see, here is testing the "children" of `node1`. So bvhtree is `tree1`. This problem has never been observed because usually `tree_type` of `tree1` equals `tree_type` of `tree2`.
As you can see, here is testing the "children" of `node1`. So bvhtree is `tree1`. This problem has never been observed because usually `tree_type` of `tree1` equals `tree_type` of `tree2`.