OK, I got an idea for a map, but the initial tests are showing that this isn't going to be easy. I'd like to create a giant treehouse. For the tree, I'm placing the Oak Tree model in the skybox. Problem is, I can pass through the model, this is easily fixed w/ noclips, but the larger problem is, that I can see through the model, meaning anything on the other side of a branch can bee see w/o going around it.
How can I fix this?