Alien Swarm SDK – DOORS – tutorial part 2

Ok, this is tutorial number 2, BASIC (3/10), the door tutorial. the door will: open and close automatically, you can weld / unweld it, shoot it down and if mapped properly, aliens will bash it in 😀 don’t mind my language, english isn’t my main language so pronunciation is a bit crappy 😛 IF you have any questions please ask them ok! next tutorial will be a how to spawn aliens 😀