Const
The eight cells surrounding a cell, in row-major (reading) order, centre skipped.
The same eight cells CIRCLE8 carries, only the visit order differs: reading order suits first-found-wins scans, the ring suits directional work like knockback cursors.
CIRCLE8
The eight cells surrounding a cell, in row-major (reading) order, centre skipped.
The same eight cells
CIRCLE8carries, only the visit order differs: reading order suits first-found-wins scans, the ring suits directional work like knockback cursors.