15 lines
502 B
Text
15 lines
502 B
Text
sequence grid = repeat(repeat(' ',100),100)
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integer aX = 50, aY = 50,
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gXY, angle = 1 -- ' '/'#'; 0,1,2,3 = NESW
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constant dX = {0,-1,0,1} -- (dY = reverse(dX))
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while aX>=1 and aX<=100
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and aY>=1 and aY<=100 do
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gXY = grid[aX][aY]
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grid[aX][aY] = 67-gXY -- ' '<=>'#', aka 32<->35
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angle = mod(angle+2*gXY+3,4) -- +/-1, ie 0,1,2,3 -> 1,2,3,0 or 3,0,1,2
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aX += dX[angle+1]
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aY += dX[4-angle]
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end while
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puts(1,join(grid,"\n"))
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