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Bug #26946

Decoupling an Oct Tag causes an error and have the decoupled craft accelerate away from the planet in a radial out direction when changed to (as per T0zzle's Twitch Stream)

Added by Anth12 over 3 years ago. Updated almost 3 years ago.

Status:
New
Severity:
Low
Assignee:
-
Category:
Parts
Target version:
-
Start date:
12/30/2020
% Done:

0%

Version:
1.11.0
Platform:
Windows
Expansion:
Core Game
Language:
English (US)
Mod Related:
No
Votes:
Arrow u r green
Arrow d r red

Description

GOG KSP 1.11.0 (No Mods/No DLCs)

If anyone watched T0zzle's Twitch Stream yesterday (Maxsimal) she decoupled a rover from a larger craft and changed to the rover.
It then seemed to travel away from the other craft at speed (even though the orbital speed said it was 0m/s)

I determined it to be the oct tag after some testing.
Doesnt happen in 1.10.1

Video Evidence:

https://youtu.be/QBpP1jvJnjw

Work Around:
Using the Debug menu and Rendezvous will fix the problem

Oct Tag Bug Save File.sfs (127 KB) Oct Tag Bug Save File.sfs Anth12, 12/29/2020 07:47 PM
screenshot66.png (1.93 MB) screenshot66.png Anth12, 12/29/2020 07:50 PM
55543

History

#1 Updated by Anth12 over 3 years ago

I know it does this consistently for oct tags. it might do it for other parts as well?

Note that the Oct Tag always seems to report the following in the log file, could it be related?

The effective box size has been forced positive and is likely to give unexpected collision geometry.
If you absolutely need to use negative scaling you can use the convex MeshCollider. Scene hierarchy path "Decoupler.1/strutCube/model/cubestrut"

#2 Updated by Anth12 over 3 years ago

This applies to both the Octagonal Strut and the Cubic Octagonal Strut.

Both show the error relating to negative scaling

#3 Updated by Anth12 over 3 years ago

ignore the

"The effective box size has been forced positive and is likely to give unexpected collision geometry.
If you absolutely need to use negative scaling you can use the convex MeshCollider."

I think this is related to #26971

#4 Updated by Anonymous about 3 years ago

The error message "...unexpected collision geometry" in the logs referring to the (cubic)octagonal struts has been there since at least version 1.7.3
(Maybe that is the reason for the "Ignore the..." in comment #3. We can still go back and edit our own comments on this tracker.)

#5 Updated by Anth12 about 3 years ago

Looking at other bugs, I determined that the error I specified is most likely not related.

When I first saw this happen I thought it only applied to the Octagonal Strut and the Cubic Octagonal Strut. It doesnt

Thats why I said to ignore that

#7 Updated by ElectroLlama almost 3 years ago

This is the a duplicate to a bug that is currently being worked on: https://bugs.kerbalspaceprogram.com/issues/26926

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