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pavel_lishin
on Aug 27, 2015
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Can someone help me understand what the rel() function does?
unoti
on Aug 27, 2015
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[–]
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.
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