'===========================================================================
' Subject: GAME OF LIFE ALGORITHM             Date: 12-27-95 (00:11)       
'  Author: Aaron Scott Zabudsky               Code: QB, QBasic, PDS        
'  Origin: zabudsk@ecf.toronto.edu          Packet: DEMOS.ABC
'===========================================================================
maxwidth = 80
maxheight = 25
DIM world(maxwidth + 1, maxheight + 1)
DIM result(maxwidth + 1, maxheight + 1)

FOR y = 1 TO maxheight
   FOR x = 1 TO maxwidth
      READ world(x, y)
   NEXT x
NEXT y

a$ = ""
WHILE a$ <> "X"
   CLS
   FOR y = 1 TO maxheight
      FOR x = 1 TO maxwidth
         IF world(x, y) = 1 THEN LOCATE y, x: PRINT "@";
      NEXT x
   NEXT y
  
   FOR y = 1 TO maxheight
      FOR x = 1 TO maxwidth
         count = world(x - 1, y - 1) + world(x, y - 1) + world(x + 1, y - 1)
         count = count + world(x - 1, y) + world(x + 1, y)
         count = count + world(x - 1, y + 1) + world(x, y + 1) + world(x + 1, y + 1)
         IF count = 3 THEN
            result(x, y) = 1
         ELSEIF count = 2 AND world(x, y) = 1 THEN
            result(x, y) = 1
         ELSE
            result(x, y) = 0
         END IF
      NEXT x
   NEXT y
  
   FOR y = 1 TO maxheight
      FOR x = 1 TO maxwidth
         world(x, y) = result(x, y)
      NEXT x
   NEXT y
  
  
   a$ = UCASE$(INKEY$)

WEND


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