Iris model sliding without movement on some maps

[TannerGilbert]

Bug report

Issue details

The iris model provided by this package doesn't seem to have optimal collision handling as it starts to slide for me on maps like Baylands or the AWS RoboMaker Small House World maps.

Version

• ardupilot_gazebo: main
• ardupilot_gz: main

Platform
[ ] All
[ ] AntennaTracker
[ x ] Copter
[ ] Plane
[ ] Rover
[ ] Submarine

Airframe type
Quadcopter

Hardware type
Iris drone

Screencast.from.08-21-2025.04.17.11.PM.webm

[srmainwaring]

@TannerGilbert, is this still an issue after the collision mesh update in #164 ?