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mirror of https://github.com/JustinSDK/dotSCAD.git synced 2025-08-11 17:24:20 +02:00
This commit is contained in:
Justin Lin
2021-03-01 10:22:08 +08:00
parent a2f4e4a412
commit b72f954066

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@@ -32,8 +32,8 @@ function set_outwards(cell, outwards) = [
function get_outwards(cell) = cell[5]; function get_outwards(cell) = cell[5];
function add_outward(cell, ri, ci) = [ function add_outward(cell, outward) = [
cell[0], cell[1], cell[2], cell[3], cell[4], concat(get_outwards(cell), [[ri, ci]]), cell[6], cell[7] cell[0], cell[1], cell[2], cell[3], cell[4], concat(get_outwards(cell), [outward]), cell[6], cell[7]
]; ];
function columnLengOfRow(ri, cellWidth, previousColumnLeng, dividedRatio) = function columnLengOfRow(ri, cellWidth, previousColumnLeng, dividedRatio) =
@@ -79,21 +79,23 @@ function update_maze(maze, cell) =
function config_outwards(maze, cell_outwards_lt) = function config_outwards(maze, cell_outwards_lt) =
_config_outwards(maze, cell_outwards_lt, len(cell_outwards_lt)); _config_outwards(maze, cell_outwards_lt, len(cell_outwards_lt));
function cell_from(maze, cell_idx) = maze[cell_idx[0]][cell_idx[1]];
function _config_outwards(maze, cell_outwards_lt, leng, i = 0) = function _config_outwards(maze, cell_outwards_lt, leng, i = 0) =
i == leng ? maze : i == leng ? maze :
let( let(
ci = cell_outwards_lt[i][0], c = add_outward(
oi = cell_outwards_lt[i][1], cell_from(maze, cell_outwards_lt[i][0]),
c = maze[ci[0]][ci[1]], cell_outwards_lt[i][1]
nc = add_outward(c, oi[0], oi[1]), ),
nm = update_maze(maze, nc) mz = update_maze(maze, c)
) )
_config_outwards(nm, cell_outwards_lt, leng, i + 1); _config_outwards(mz, cell_outwards_lt, leng, i + 1);
function config_nbrs(maze) = function config_nbrs(maze) =
let( let(
outmost = len(maze) - 1, outmost = len(maze) - 1,
maze2 = [ // config empty outwards except outmost row mz_empty_outs = [ // config empty outwards except outmost row
for(row = maze) for(row = maze)
[ [
for(c = row) for(c = row)
@@ -101,33 +103,33 @@ function config_nbrs(maze) =
] ]
], ],
cell_outwards_lt = [ cell_outwards_lt = [
for(row = maze2) for(row = mz_empty_outs)
for(c = row) for(c = row)
let( let(
ri = get_ri(c), ri = get_ri(c),
ci = get_ci(c), ci = get_ci(c),
r_leng = len(maze2[ri]) r_leng = len(mz_empty_outs[ri])
) )
if(ri > 0) if(ri > 0)
[ [
[ri - 1, floor(ci / (r_leng / len(maze2[ri - 1])))], [ri - 1, floor(ci / (r_leng / len(mz_empty_outs[ri - 1])))],
[ri, ci] [ri, ci]
] ]
], ],
maze3 = [ // config cw, ccw, inward nbrs mz_cw_ccw_inward = [ // config cw, ccw, inward nbrs
for(row = maze2) for(row = mz_empty_outs)
[ [
for(c = row) for(c = row)
let( let(
ri = get_ri(c), ri = get_ri(c),
ci = get_ci(c), ci = get_ci(c),
r_leng = len(maze2[ri]), r_leng = len(mz_empty_outs[ri]),
cw = [ri, ci > 0 ? (ci - 1) : (ci - 1 + r_leng)], cw = [ri, ci > 0 ? (ci - 1) : (ci - 1 + r_leng)],
ccw = [ri, (ci + 1) % r_leng] ccw = [ri, (ci + 1) % r_leng]
) )
ri > 0 ? ri > 0 ?
let( let(
ratio = r_leng / len(maze2[ri - 1]), ratio = r_leng / len(mz_empty_outs[ri - 1]),
inward = [ri - 1, floor(ci / ratio)] inward = [ri - 1, floor(ci / ratio)]
) )
[ri, ci, c[2], c[3], inward, c[5], cw, ccw] : [ri, ci, c[2], c[3], inward, c[5], cw, ccw] :
@@ -135,7 +137,7 @@ function config_nbrs(maze) =
] ]
] ]
) )
config_outwards(maze3, cell_outwards_lt); config_outwards(mz_cw_ccw_inward, cell_outwards_lt);
// function isVisitable(cell) = cell[3]; // function isVisitable(cell) = cell[3];
isVisitable = function(cell) cell[3]; isVisitable = function(cell) cell[3];
@@ -193,20 +195,23 @@ function nextCells(maze, cell, dir) =
ccw = get_ccw(cell) ccw = get_ccw(cell)
) )
[ [
is_undef(inward) ? [] : [maze[inward[0]][inward[1]]], is_undef(inward) ? [] : [cell_from(maze, inward)],
is_undef(outwards) ? [] : [for(outward = outwards) maze[outward[0]][outward[1]]], is_undef(outwards) ? [] : [for(outward = outwards) cell_from(maze, outward)],
is_undef(cw) ? [] : [maze[cw[0]][cw[1]]], is_undef(cw) ? [] : [cell_from(maze, cw)],
is_undef(ccw) ? [] : [maze[ccw[0]][ccw[1]]] is_undef(ccw) ? [] : [cell_from(maze, ccw)]
][dir]; ][dir];
function visitIN(maze, next, currentCell) = function visitIN(maze, next, currentCell) =
let( update_maze(
wallType = get_wallType(currentCell), update_maze(
m1 = update_maze(maze, maze,
set_wallType(currentCell, wallType == INWARD_CCW_WALL ? CCW_WALL : NO_WALL) set_wallType(
currentCell,
get_wallType(currentCell) == INWARD_CCW_WALL ? CCW_WALL : NO_WALL
) )
) ),
update_maze(m1, set_visited(next)); set_visited(next)
);
function visitOUT(maze, next, currentCell) = update_maze( function visitOUT(maze, next, currentCell) = update_maze(
maze, maze,
@@ -219,13 +224,16 @@ function visitCW(maze, next, currentCell) = update_maze(
); );
function visitCCW(maze, next, currentCell) = function visitCCW(maze, next, currentCell) =
let( update_maze(
wallType = get_wallType(currentCell), update_maze(
m1 = update_maze(maze, maze,
set_wallType(currentCell, wallType == INWARD_CCW_WALL ? INWARD_WALL : NO_WALL) set_wallType(
currentCell,
get_wallType(currentCell) == INWARD_CCW_WALL ? INWARD_WALL : NO_WALL
) )
) ),
update_maze(m1, set_visited(next)); set_visited(next)
);
function visitNext(maze, next, currentCell, dir) = function visitNext(maze, next, currentCell, dir) =
dir == IN ? visitIN(maze, next, currentCell) : dir == IN ? visitIN(maze, next, currentCell) :
@@ -233,39 +241,38 @@ function visitNext(maze, next, currentCell, dir) =
dir == CW ? visitCW(maze, next, currentCell) : dir == CW ? visitCW(maze, next, currentCell) :
dir == CCW ? visitCCW(maze, next, currentCell) : maze; dir == CCW ? visitCCW(maze, next, currentCell) : maze;
function backtracker(maze, currentIndices, rows, seed) = function backtracker(maze, current_idx, rows, seed) =
let( let(
rdirs = rand_dirs(currentIndices[0] * rows + currentIndices[1], seed), rdirs = rand_dirs(current_idx[0] * rows + current_idx[1], seed),
vdirs = visitable_dirs(maze, rdirs, maze[currentIndices[0]][ currentIndices[1]]), vdirs = visitable_dirs(maze, rdirs, cell_from(maze, current_idx)),
vdirs_leng = len(vdirs) vdirs_leng = len(vdirs)
) )
vdirs_leng == 0 ? maze : // 完全沒有可造訪的方向就回溯 vdirs_leng == 0 ? maze :
visit_dirs(maze, currentIndices, vdirs, vdirs_leng, rows, seed); // go maze visit_dirs(maze, current_idx, vdirs, vdirs_leng, rows, seed); // go maze
function visit_dirs(maze, current_idx, dirs, dirs_leng, rows, seed, i = 0) =
function visit_dirs(maze, currentIndices, dirs, dirs_leng, rows, seed, i = 0) =
i == dirs_leng ? maze : i == dirs_leng ? maze :
let( let(
dir = dirs[i], dir = dirs[i],
cells_indices = [for(c = nextCells(maze, maze[currentIndices[0]][currentIndices[1]], dir)) [c[0], c[1]]], cell_idxs = [for(c = nextCells(maze, cell_from(maze, current_idx), dir)) [c[0], c[1]]],
cells_leng = len(cells_indices), cells_leng = len(cell_idxs),
m = visit_cells(maze, currentIndices, dir, cells_indices, cells_leng, rows, seed) m = visit_cells(maze, current_idx, dir, cell_idxs, cells_leng, rows, seed)
) )
visit_dirs(m, currentIndices, dirs, dirs_leng, rows, seed, i + 1); visit_dirs(m, current_idx, dirs, dirs_leng, rows, seed, i + 1);
function visit_cells(maze, currentIndices, dir, cells_indices, cells_leng, rows, seed, i = 0) = function visit_cells(maze, current_idx, dir, cell_idxs, cells_leng, rows, seed, i = 0) =
i == cells_leng ? maze : i == cells_leng ? maze :
let(indices = cells_indices[i]) let(cell_idx = cell_idxs[i])
isVisitable(maze[indices[0]][indices[1]]) ? isVisitable(cell_from(maze, cell_idx)) ?
let(m = visitNext(maze, maze[indices[0]][indices[1]], maze[currentIndices[0]][currentIndices[1]], dir)) let(mz = visitNext(maze, cell_from(maze, cell_idx), cell_from(maze, current_idx), dir))
visit_cells( visit_cells(
backtracker( backtracker(
m, mz,
m[indices[0]][indices[1]], cell_from(mz, cell_idx),
rows, rows,
seed seed
), ),
maze[currentIndices[0]][currentIndices[1]], dir, cells_indices, cells_leng, rows, i + 1 cell_from(maze, current_idx), dir, cell_idxs, cells_leng, rows, i + 1
) : ) :
visit_cells(maze, maze[currentIndices[0]][currentIndices[1]], dir, cells_indices, cells_leng, rows, seed, i + 1); visit_cells(maze, cell_from(maze, current_idx), dir, cell_idxs, cells_leng, rows, seed, i + 1);