[Bug]: SuperTux in macOS causes dizziness due to background moving at very low fps

[superbonaci]

SuperTux Version

SuperTux-v0.6.3-Darwin-11.dmg

System Information

macOS 15.1

Expected Behavior

Run smooth.

Actual Behavior

Game does not run smooth in macos, apple M1.
The background moves in big increments at a very low pace, compared to Tux.
Here's a recorded gameplay slowed x10 and cropped:

supertux_dizziness.mp4

Steps To Reproduce Actual Behavior

play the game

Additional Information

No response

Guidelines For Reporting Issues

• I have read https://github.com/SuperTux/supertux/blob/master/CONTRIBUTING.md#bug-reports.
• I have verified this isn't an issue that's already been reported.
• I have verified this isn't a discussion, or an issue about a crash or a feature request, but rather an actual bug ─ that is, the game did something not intended.
• I have verified this issue is not about wrong translations (use Transifex for those), or anything unsupported (e.g. third-party add-ons).
• In this report, I have only included details about one (1) bug.
• If I make a mistake while submitting this report, I agree to use the "Edit" feature to correct it, instead of closing this issue and opening a new one.

[Frostwithasideofsalt]

download the latest nightly at https://download.supertux.org/ , set the renderer to SDL, re-open the game and see if the issue persists

[superbonaci]

With SuperTux-v0.6.3-1443-g95af07875-Darwin.dmg and sdl the effect improves a bit but now there's screen tearing. In the screen recorded video is not that noticeable as in person:

supertux_dizziness_2.mp4