“Mania Column Centering” refers to tools and techniques for centering the playfield columns in osu!mania maps (the rhythm game mode in osu!). Key points:
- Purpose: compute the correct ColumnStart (horizontal offset) so the sum of column widths is centered on the player’s screen/aspect ratio.
- Input: screen width or aspect ratio and the total column width — provided either as a numeric sum, a comma-separated list of individual ColumnWidth values (e.g., “46,46,46,46”), or a product like “4*46”.
- Output: the ColumnStart value to put in the skin/map .ini so the mania stage is visually centered.
- Tools: a small utility (ManiaColumnCentering) exists (GitHub by RoanH) and forum threads on the osu! site describing usage; some versions can modify the .ini directly and detect screen resolution automatically.
- How it works (concept): ColumnStart = (screen_width – column_sum) / 2, adjusted for any skin offsets or integer rounding required by osu!; programs may also accept aspect ratio instead of explicit resolution.
- Practical tips:
- Use exact column widths from your skin’s ColumnWidth line.
- Test at the intended resolution/aspect ratio; monitor scaling or fullscreen/windowed modes can change results.
- Back up your .ini before letting a tool modify it.
- Where to get it: search “RoanH ManiaColumnCentering” on GitHub or the osu! forum thread “Mania play field centering program” (posted 2017).
If you want, I can compute ColumnStart for a specific screen resolution and ColumnWidth list — tell me the screen resolution (or aspect ratio) and your ColumnWidth values.
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