Why is my system slow and hanging when moving brushes?

Development Platform & Builds
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1

*Hi,
I have started to create a street with flats, windows and bar by using mostly ‘Boxes’ brushes. I am just at beginning (only 4 buildings) and more I’m progressing, more system is getting slow.
For instance, when I want to move, duplicate, delete or redo any brush, system is calculating during a long time (until 1mn) before executing my request.

I’m working on laptop ASUS Rog G46V I7 6GB WIN8, all other applications are closed when I’m using UE4.2.
I’ve tried to use ‘Build’ functionality in thinking everything would be compiled in one big object, but nothing better.

I really need to move forward on this project, Anybody has a clue regarding my issue?

Thanks and regards,

widorisan*

2

Hey widorisan,

You can disable BSPs updating automatically, which can bog down any system when there are many of them or if they become complex, as noted in this post:

Try recommendation there and see if it helps.

3

To make things smoother I only put about 100 bsp brushes per level, make more levels do your work and combined at end