2 ms·
It returns the value of a neighbor given an index, and an x and y delta value. So rel(20, -1, 0) would return the neighbor to the left (x=-1, y=0) of the 20th
by unoti 11y ago
It returns the value of a neighbor given an index, and an x and y delta value. So rel(20, -1, 0) would return the neighbor to the left (x=-1, y=0) of the 20th cell.