Dev.to
7/31/2026

Traceroute devlog #2
Short summary
A game development devlog covering path-drawing puzzle mechanics, specifically the challenges of implementing undo functionality. The author discovered their in-place state editing pattern couldn't support undo, requiring a refactor to immutable state copies across five previously tested rules. The week also included fixing a visual animation bug and starting on level-solved logic.
- •Undo feature required refactoring from in-place state editing to immutable state copies
- •Refactor surfaced a hidden bug with empty data entries after certain clicks
- •Visual bounce-back animation bug fixed by tracking elapsed time properly
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