Maze generation: Difference between revisions

alias Tuple!(uint,"x", uint,"y") P; // will wrap-around

auto d = [P(x-1, y), P(x, y+1), P(x+1, y), P(x, y-1)];

foreach (p; d) {

if (p.x >= w || p.y >= h || vis[p.y][p.x]) continue;