/vr/ - Retro Games

>>1417695
>The problem I had with it was I couldn't see what I was making without test running it. Is there anything like valve's hammer that lets you see real time what you're doing?

Dude.......you're yeaaaaaars behind the times.

Pic related, this is a simple example. The above is in the drawing mode and the below image is in the visual mode where I can see what I'm doing physically in the level without running the game.
This has been out for ages now, specifically I'm using GZDoom Builder, an addon for regular Doom Builder 2.

http://www.doombuilder.com/

There is a link, GZDoom Builder is linked in the right hand side panel.

Can somebody point out my problem here?
Pic is my problem.
I try to select the sectors (to make an underwater sector with dummy sectors) but when I try to select the area under my already made bridge the editor removes my bridge or overwrites it.

I'm >>1231006

I'm even checking the sector numbers and I know I'm not selecting the bridge sector by mistake.