Map is rendering weirdly in SRB2 unlike in Zone Builder

[シャドヲウフ2279]

I'm trying to make a map in SRB2. The map renders perfectly fine in Zone Builder, but there's a giant patch of grass that renders in SRB2 for some reason.

This is what the map currently looks like in Zone builder as of when I'm posting this:

But when I try to playtest it in SRB2 (v2.2.15), this patch of grass shows up that I never placed:

Oh, and as you can see, it also messes with the bridge.
This is what it looked like in-game before I added the second island:

Any idea what's going on here?

 

[DylanDude]

I'm trying to make a map in SRB2. The map renders perfectly fine in Zone Builder, but there's a giant patch of grass that renders in SRB2 for some reason.

This is what the map currently looks like in Zone builder as of when I'm posting this:View attachment 188142
View attachment 188143

But when I try to playtest it in SRB2 (v2.2.15), this patch of grass shows up that I never placed:View attachment 188144
Oh, and as you can see, it also messes with the bridge.
This is what it looked like in-game before I added the second island:View attachment 188145

Any idea what's going on here?

This could just be a nodebuilding error. Is the unusual grass solid, or do you fall through it?

 

[シャドヲウフ2279]

Is the unusual grass solid, or do you fall through it?

The grass is solid. And as for the part of the bridge that renders a triangle of grass instead of the concrete, the grass is also solid and the concrete isn't.

 

[DylanDude]

The grass is solid. And as for the part of the bridge that renders a triangle of grass instead of the concrete, the grass is also solid and the concrete isn't.

Likely a nodebuilder error that's creating an unclosed sector. Given the positioning of the error, it's likely one of the linedefs near the concrete bridge is the culprit. Try creating random extra sectors within that area, making sure they connect to the linedefs there.

 

[シャドヲウフ2279]

I took a close look at the bridge and it turns out there was an extra vertex at the corner where Knuckles is standing. I corrected this and now everything is good.

I didn't notice it before because the two vertices were one fracunit apart.