GraphUpdateScene not updating penalties

Beginner Questions
1

Hi!

So I’ve got a 2D scene in Unity 5.2. Using Astar 3.7.4, I’m trying to add terrain types to a map. Different terrain types should have different penalties, so I’m using a GraphUpdateScene object to modify the penalties. I followed the documentation about how to set it up, but somehow I’m still doing something wrong - it doesn’t seem to update the graph at all. Here’s a gif of my setup and what I do:

https://www.dropbox.com/s/ae2lqu6hvz8dkir/updatescenegraph_penalties.gif?dl=0

It doesn’t seem to update the penalties of the graph. When I play and move around on the map, my seekers return paths going right through the high-penalty area. I tried with different penalties up to the max of 2147483647
I also have a base penalty of 500 on the whole grid.

I’m out of ideas. Can you tell me what I’m doing wrong? Or something that I could try to do to fix it?

Thanks in advance!
Jinn

PS: seems like I can’t draw new points using 2d colliders, so I have to use a temporary 3d collider to do that. It’s a workaround, but it works.

2

Hi

Hm. Normally the “Min Bounds Height” field will prevent the bounds from being infinitely thin, but since you are working in 2D, it will not do that (since it clamps the y coordinate, not the z coordinate). Try placing one of your points further back. Check in the 3D view that it actually contains the 3D positions of the nodes.

3

Thanks for your answer :slight_smile: Great idea. I placed one point further back along the z-axis, and the bounds updated and show a 3d cube now. That did the trick! It’s a bit weird as a workflow, but it works. Thanks!

1 Like
4

Yeah, I know. For 2D is it a bit weird. Maybe I should introduce a 2D mode for it.

5

That would be a great feature. I’d definitely be ready for the beta testing :wink: