[Bug]: Instakill by standing between a wall and a rock

[filipobecerra]

SuperTux Version

SuperTux-v0.7.0-beta.2.glibc2.38-x86_64.AppImage

System Information

Fedora KDE Plasma Desktop | kernel 6.18.10-200.fc43.x86_64

Expected Behavior

When attempting to place Tux in a narrow space between a large rock block and a wall, if the space turns out to be too narrow, Tux should remain standing on the rock block.

Actual Behavior

When attempting to place Tux in a narrow space between a large rock block and a wall, depending on the margin of space (?), Tux instakill.

test.mp4

Steps To Reproduce Actual Behavior

Bug discovered in The Rooted Tower, but also occurs in other levels.

1. Obtain a large stone block and place it near a wall
2. Leaving a narrow space
3. Position Tux on the narrow space
4. Try several times if necessary

Additional Information

Depending on the distance between the large rock block and the wall, Tux may or may not die.

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.
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