Optional ReadonlymaskOnly instances whose mask shares a bit with this count. Default all. Ignored by a generator made with rayMasks: false.
Optional ReadonlymaxDistances are clamped to this (and to -this inside): the closest-point walk
skips boxes farther away, so a narrow band is cheaper. Default: none
(CLOSEST_POINT_MAX_DISTANCE, 1e18).
Optional ReadonlysignDefault 'parity'. 'unsigned' skips the inside test (an open surface's distance, a quarter of the work).
What a field holds.