How can I stop Combined Scenery from Flickering.

Currently I am trying to put roof pieces together to make a floor, but when I put them kinda into one another they start flickering where they interacting (Like bleeding through) In the past I've had the same issues with putting things together and such but it's finally getting to me where I would like to fix the problem. It doesn't seem like other people have the issue. People are combining scenery all the time and I never see it flicker in their youtube videos. How can I stop this. Is there a graphics setting I'm missing or need to change?
 
Yeah, a lot of overlapped things will z-fight/flicker. The only remedy is to move 1 of the pieces a pixel or 2 up or down. This is easy enough with non-gridded parts like most wall trim, windows, signs, etc. However, it's a bit trickier with gridded parts like the flat roof pieces.

With them, you have to select 1 of the 2 pieces that overlaps, then hit the button to separate that piece from the building. This creates a new building with only that 1 piece in it. Deselect everything, then select the new 1-piece building. On the level of the whole building, before you get into editing individual pieces, you can hit X to Advanced Move the whole building, which in this case is just the 1 piece. Do that and move the "building" just 1 or 2 pixels up or down. That will solve the problem.

HOWEVER, I recommend only doing this as the very last step of constructing that building. Once the piece is in a separate building, it makes doing major changes to the whole building a bit more complicated. So with me, when I do my last pass through a building to make sure I put all the trim everywhere and didn't accidentally delete part of it with a stray right-click, I also get rid of all the z-fighting like this.
 
As far as I'm aware there is no way to fix the issue.
Some pieces that are placed together simply don't cause flickering, whereas others do.

I remember reading someone on here saying something about how the pieces are on the exact same elevation so they fight for what is to be seen on top. Some textures don't have this problem because the model itself might be one or two pixels smaller than the other etc.
It was something along the lines of that but don't remember 100%
 
Hmmm.. I was trying to use the roof pieces to go around the edges of a log flume.. Kinda how they did on Planet Brocoaster. They don't seem to flicker for them but it's kinda bad on my side. If you try moving them up or down a pixel you can tell they aren't even and doesn't look as good. Oh well.. I'll have to figure this out another way.
 
Hmmm.. I was trying to use the roof pieces to go around the edges of a log flume.. Kinda how they did on Planet Brocoaster. They don't seem to flicker for them but it's kinda bad on my side. If you try moving them up or down a pixel you can tell they aren't even and doesn't look as good. Oh well.. I'll have to figure this out another way.

Well, the easiest way is to not overlap the tiles in the 1st place. This is hard to avoid sometimes because PC has a very irksome lack of 2m parts. The next best thing is to use parts that don't z-fight. Failing that, you have the choice of tolerating the z-fighting or tolerating a slightly uneven surface.
 
Hmmm.. I was trying to use the roof pieces to go around the edges of a log flume.. Kinda how they did on Planet Brocoaster. They don't seem to flicker for them but it's kinda bad on my side. If you try moving them up or down a pixel you can tell they aren't even and doesn't look as good. Oh well.. I'll have to figure this out another way.

often, you can rotate one of the overlapping pieces using "Z".
they seem to be designed with a 1-2 pixel angle built in, so the flicker stops when you can do this.
not always possible, but often is.

so for roof pieces, orient alternately: [<<][>>][<<] also works with walls, planks, poles etc.
 
often, you can rotate one of the overlapping pieces using "Z".
they seem to be designed with a 1-2 pixel angle built in, so the flicker stops when you can do this.
not always possible, but often is.

so for roof pieces, orient alternately: [<<][>>][<<] also works with walls, planks, poles etc.

Interesting.. Going to try this today
 
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