Hide brush or prop inside an invisible brush

EmNudge

EmNudge

L4: Comfortable Member
Sep 23, 2015
184
60
what i'm asking is for a way to hide a prop or brush, in middle of a map, inside an invisible brush, somehow making that prop and brush also invisible.

why I need this:
I want to place a room that you can only see from inside of itself, I don't care if it is solid, it's better that way.
 
Lampenpam

Lampenpam

aa
Mar 23, 2013
1,013
347
Before you mess things up with area portals, maybe you can just make the brush or the prop invisible? a func_brush and prop_dynamic can be turned invisible with the "disable" input or "alpha 0" input. Mind that this might not disable collision of those entities though.
 
EmNudge

EmNudge

L4: Comfortable Member
Sep 23, 2015
184
60
Lampenpam said:
Before you mess things up with area portals, maybe you can just make the brush or the prop invisible? a func_brush and prop_dynamic can be turned invisible with the "disable" input or "alpha 0" input. Mind that this might not disable collision of those entities though.
Click to expand...
I stated
I want to place a room that you can only see from inside of itself
Click to expand...

I need a room to be visible once you are inside it, but not to those looking directly at it from outside.
I also need to place a gokart somewhere in my map to enable the karts to show up when triggering that event - if it were invisible it wouldn't work.
 
henke37

henke37

aa
Sep 23, 2011
2,075
515
I think this effect can be done if you hack the PVS data.
 
henke37

henke37

aa
Sep 23, 2011
2,075
515
You know of vvis, right? That program computes PVS data, the potentially visible set. My suggestion was to either create modified version of vvis or to tamper with the data afterwards.

Really, it would be more of a bug fix here, if you can make a brush that is opaque on one face but not the other then vvis really should compute visibility so that you can only see in one direction.
 
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