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refactor

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This commit is contained in:
Justin Lin
2022-03-16 13:36:59 +08:00
parent 43d338eaaf
commit d7a6bb35ac
1 changed files with 7 additions and 6 deletions
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13
src/maze/_impl/_mz_square_cells_impl.scad
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@@ -1,13 +1,13 @@
use <_mz_square_comm.scad>;
// is (x, y) visited?
function visited(x, y, cells, columns) = cells[y][x][3];
function visited(x, y, cells) = cells[y][x][3];
// is (x, y) visitable?
function visitable(x, y, cells, rows, columns) =
y >= 0 && y < rows && // y bound
x >= 0 && x < columns && // x bound
!visited(x, y, cells, columns); // unvisited
!visited(x, y, cells); // unvisited
// setting (x, y) as being visited
function set_visited(x, y, cells) =
@@ -147,27 +147,28 @@ function go_maze(x, y, cells, rows, columns, x_wrapping = false, y_wrapping = fa
nx_cells = set_visited(x, y, cells)
)
// have visitable dirs?
len(v_dirs) == 0 ? nx_cells // road closed
v_dirs == [] ? nx_cells // road closed
: walk_around_from(
x, y,
v_dirs,
nx_cells,
rows, columns,
x_wrapping, y_wrapping,
len(v_dirs) - 1,
seed = seed
);
// 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, seed) =
// all done?
i == len(dirs) ? cells :
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,
i - 1,
seed);
function try_routes_from(x, y, dir, cells, rows, columns, x_wrapping, y_wrapping, seed) =