HPL Level Editor start "lagging"

[The chaser]

I had this happen all the time and had to get into the habit of saving every 6 seconds. Try turning some options off like rendering lights and whatnot, that helped me a little. I bought a new video card and now I never have issues to maybe you could try that if you have the cash.

I recently just bought a new graphic card, so it will take a good while before i buy another one i think.. (This is not an option, that's what i'm trying to say)

That depends on the level. If you aren't looking at all the stuff, it goes fine, if you are, it will lag a bit.

Not a problem if you toggle culling fog while in the development, or using clip planes.



Culling is not rendering the objects that the player doesn't see, to increase performance. You can activate the level fog, and toggle "Culling". That will hide the zone covered by the fog, making you unable to see it and therefore increasing performance. If your level doesn't have fog, just make it with culling fog and then, when the level is done, disactivate it.



If it's a really big map, you can use clip planes (At the bottom, at the center).

Can you explain the Culling a bit better.. ? didn't quite get it.

Culling is simply not showing what you can't see, a common technique to increase performance in computers. If you are in an area very distant to another one, and you can't see that one, it's useless to show the objects in that area, as it just consumes performance without an actual use.