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refactor

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This commit is contained in:
Justin Lin
2022-03-16 09:35:01 +08:00
parent 68b13fc330
commit 2dc729d860
1 changed files with 10 additions and 11 deletions
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21
src/maze/_impl/_mz_square_cells_impl.scad
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@@ -109,15 +109,15 @@ function visitable_dirs(r_dirs, x, y, cells, rows, columns, x_wrapping, y_wrappi
function go_maze(x, y, cells, rows, columns, x_wrapping = false, y_wrapping = false, seed) = function go_maze(x, y, cells, rows, columns, x_wrapping = false, y_wrapping = false, seed) =
let( let(
r_dirs = rand_dirs(x * rows + y, seed), r_dirs = rand_dirs(x * rows + y, seed),
v_dirs = visitable_dirs(r_dirs, x, y, cells, rows, columns, x_wrapping, y_wrapping) v_dirs = visitable_dirs(r_dirs, x, y, cells, rows, columns, x_wrapping, y_wrapping),
nx_cells = set_visited(x, y, cells)
) )
// have visitable dirs? // have visitable dirs?
len(v_dirs) == 0 ? len(v_dirs) == 0 ? nx_cells // road closed
set_visited(x, y, cells) // road closed
: walk_around_from( : walk_around_from(
x, y, x, y,
v_dirs, v_dirs,
set_visited(x, y, cells), nx_cells,
rows, columns, rows, columns,
x_wrapping, y_wrapping, x_wrapping, y_wrapping,
seed = seed seed = seed
@@ -126,7 +126,7 @@ function go_maze(x, y, cells, rows, columns, x_wrapping = false, y_wrapping = fa
// try four directions // try four directions
function walk_around_from(x, y, dirs, cells, rows, columns, x_wrapping, y_wrapping, i = 0, seed) = function walk_around_from(x, y, dirs, cells, rows, columns, x_wrapping, y_wrapping, i = 0, seed) =
// all done? // all done?
i < len(dirs) ? i == len(dirs) ? cells :
// not yet // not yet
walk_around_from(x, y, dirs, walk_around_from(x, y, dirs,
// try one direction // try one direction
@@ -134,12 +134,13 @@ function walk_around_from(x, y, dirs, cells, rows, columns, x_wrapping, y_wrappi
rows, columns, rows, columns,
x_wrapping, y_wrapping, x_wrapping, y_wrapping,
i + 1, i + 1,
seed) seed);
: cells;
function try_routes_from(x, y, dir, cells, rows, columns, x_wrapping, y_wrapping, seed) = function try_routes_from(x, y, dir, cells, rows, columns, x_wrapping, y_wrapping, seed) =
// is the dir visitable? // is the dir visitable?
visitable(next_x(x, dir, columns, x_wrapping), next_y(y, dir, rows, y_wrapping), cells, rows, columns) ? !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 // try the cell
go_maze( go_maze(
next_x(x, dir, columns, x_wrapping), next_y(y, dir, rows, y_wrapping), next_x(x, dir, columns, x_wrapping), next_y(y, dir, rows, y_wrapping),
@@ -147,6 +148,4 @@ function try_routes_from(x, y, dir, cells, rows, columns, x_wrapping, y_wrapping
rows, columns, rows, columns,
x_wrapping, y_wrapping, x_wrapping, y_wrapping,
seed seed
) );
// road closed so return cells directly
: cells;