Help with Tutorial Lvl (hallway)
"Make sure to create openings into both rooms from the hallway."
This is quoted from:
http://developer.valvesoftware.com/wiki/L4D_Level_Design/Your_First_L4D_Level
I've gotten the hang of most of this tutorial..
but I'm not sure how to make the openings…
http://developer.valvesoftware.com/wiki/L4D_Level_Design/Checkpoints
seems to give some clues, but I'm at all getting how to do it.
I'm supposed to use the Clipping Tool? If someone could better explain it, please do



