I Had Fun Messing About With The 'Additive' Material Option
Also Yes Its Diffirent Between The Map And Video (I Improved It)
Link To Example Map:
gamebanana.com/mods/493662
Snap-Life (Part 1)
Chapter:
Black Mesa Inbound "Cafeteria"
POV: Scientist
Special Thanks : Westeh (he featured this post i commend him for his services)