room settings button: the VISUAL centre for L-shaped rooms

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The owner's kitchen-living room is L-shaped, and interiorPoint() only
promises 'somewhere inside' — the button sat near the seam, visibly
off-centre. poleOfInaccessibility() (largest inscribed circle, grid search
plus one refinement pass) puts it in the middle of the widest open space:
the slab of an L, the exact centre of a rectangle or square. Cached per
poly array in a WeakMap — the memoized model keeps the arrays stable, so
the search runs once per geometry, not per render.

Unit: square -> centre; thick-slab L -> mid-slab, always inside.

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Matysh

2026-07-29 13:55:03 +03:00

parent 0bb9282edd

commit 9eec856d50

5 changed files with 84 additions and 14 deletions

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