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Code Issues Releases Wiki Activity

try visitable dirs

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Justin Lin
2020-11-11 07:56:09 +08:00
parent f7b1931b9b
commit 4e3841e545
1 changed files with 8 additions and 5 deletions
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13
src/maze/_impl/_mz_blocks_impl.scad
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@@ -137,21 +137,24 @@ function try_block(dir, x, y, maze, rows, columns) =
// find out visitable dirs from (x, y)
_visitable_dir_table = [0, 1, 2, 3];
function visitable_dirs(x, y, maze, rows, columns, x_circular, y_circular) = [
for(dir = _visitable_dir_table)
function visitable_dirs(r_dirs, x, y, maze, rows, columns, x_circular, y_circular) = [
for(dir = r_dirs)
if(visitable(next_x(x, dir, columns, x_circular), next_y(y, dir, rows, y_circular), maze, rows, columns))
dir
];
// go maze from (x, y)
function go_maze(x, y, maze, rows, columns, x_circular = false, y_circular = false, seed) =
let(
r_dirs = rand_dirs(x * rows + y + seed),
v_dirs = visitable_dirs(r_dirs, x, y, maze, rows, columns, x_circular, y_circular)
)
// have visitable dirs?
len(visitable_dirs(x, y, maze, rows, columns, x_circular, y_circular)) == 0 ?
len(v_dirs) == 0 ?
set_visited(x, y, maze) // road closed
: walk_around_from(
x, y,
rand_dirs(x * rows + y + seed),
v_dirs,
set_visited(x, y, maze),
rows, columns,
x_circular, y_circular,