Actually, I think this just answered my own question from earlier. One way to avoid seeing both the circle and the X in the question on an earlier slide comment is to think of this as anything not covered by the front clipping plane can be seen. Very intuitive diagram!
Actually, I think this just answered my own question from earlier. One way to avoid seeing both the circle and the X in the question on an earlier slide comment is to think of this as anything not covered by the front clipping plane can be seen. Very intuitive diagram!