26 lines
847 B
D
26 lines
847 B
D
void main() @safe {
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import std.stdio, std.traits;
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enum width = 75, height = 52;
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enum maxSteps = 12_000;
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enum Direction { up, right, down, left }
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enum Color : char { white = '.', black = '#' }
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uint x = width / 2, y = height / 2;
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Color[width][height] M;
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auto dir = Direction.up;
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with (Color)
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for (int i = 0; i < maxSteps && x < width && y < height; i++) {
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immutable turn = M[y][x] == black;
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dir = [EnumMembers!Direction][(dir + (turn ? 1 : -1)) & 3];
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M[y][x] = (M[y][x] == black) ? white : black;
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final switch(dir) with (Direction) {
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case up: y--; break;
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case right: x--; break;
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case down: y++; break;
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case left: x++; break;
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}
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}
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writefln("%(%-(%c%)\n%)", M);
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}
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