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refactor

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Justin Lin
2022-03-18 13:08:33 +08:00
parent 120b7ea2c7
commit 2cd56758eb
1 changed files with 22 additions and 22 deletions
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44
src/maze/_impl/_mz_square_cells_impl.scad
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@@ -162,25 +162,25 @@ function go_maze(x, y, cells, rows, columns, x_wrapping = false, y_wrapping = fa
function walk_around_from(x, y, dirs, cells, rows, columns, x_wrapping, y_wrapping, i, seed) =
// all done?
i == -1 ? cells :
// not yet
walk_around_from(x, y, dirs,
// try one direction
try_routes_from(x, y, dirs[i], cells, rows, columns, x_wrapping, y_wrapping, seed),
rows, columns,
x_wrapping, y_wrapping,
i - 1,
seed);
function try_routes_from(x, y, dir, cells, rows, columns, x_wrapping, y_wrapping, seed) =
// is the dir visitable?
!visitable(next_x(x, dir, columns, x_wrapping), next_y(y, dir, rows, y_wrapping), cells, rows, columns) ?
// road closed so return cells directly
cells :
// try the cell
go_maze(
next_x(x, dir, columns, x_wrapping), next_y(y, dir, rows, y_wrapping),
carve(dir, x, y, cells, rows, columns),
rows, columns,
x_wrapping, y_wrapping,
seed
);
// not yet
let(
dir = dirs[i],
nx = next_x(x, dir, columns, x_wrapping),
ny = next_y(y, dir, rows, y_wrapping),
nx_cells = !visitable(nx, ny, cells, rows, columns) ? // is the dir visitable?
cells : // road closed so return cells directly
go_maze( // try the cell
nx, ny,
carve(dir, x, y, cells, rows, columns),
rows, columns,
x_wrapping, y_wrapping,
seed
)
)
walk_around_from(x, y, dirs,
// try one direction
nx_cells,
rows, columns,
x_wrapping, y_wrapping,
i - 1,
seed);