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Code Issues Releases Wiki Activity

just check len(nbr_tiles) == 1

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Justin Lin
2022-04-21 22:20:51 +08:00
parent 274d70a85b
commit a67873d22c
2 changed files with 9 additions and 13 deletions
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21
src/experimental/_impl/_tiles_wfc_impl.scad
View File

@@ -114,15 +114,14 @@ function _coord_entropy_weights(coord_entropy_weights_lt, leng, m, i = 1) =
let(cm = coord_entropy_weights_lt[i]) let(cm = coord_entropy_weights_lt[i])
_coord_entropy_weights(coord_entropy_weights_lt, leng, m[2][0] <= cm[2][0] ? m : cm, i + 1); _coord_entropy_weights(coord_entropy_weights_lt, leng, m[2][0] <= cm[2][0] ? m : cm, i + 1);
function propagate(nbr_dirs, compatibilities, notCollaspedCoords, wf, coord) = function propagate(nbr_dirs, compatibilities, wf, coord) =
_propagate( _propagate(
nbr_dirs, nbr_dirs,
compatibilities, compatibilities,
notCollaspedCoords,
[wf, create_stack(coord)] [wf, create_stack(coord)]
); );
function _propagate(nbr_dirs, compatibilities, notCollaspedCoords, wf_stack) = function _propagate(nbr_dirs, compatibilities, wf_stack) =
let(wf = wf_stack[0], stack = wf_stack[1]) let(wf = wf_stack[0], stack = wf_stack[1])
stack == [] ? wf : stack == [] ? wf :
let( let(
@@ -131,21 +130,21 @@ function _propagate(nbr_dirs, compatibilities, notCollaspedCoords, wf_stack) =
cy = current_coord.y, cy = current_coord.y,
current_tiles = wf_eigenstates(wf)[cy][cx], current_tiles = wf_eigenstates(wf)[cy][cx],
dirs = nbr_dirs[cy][cx], dirs = nbr_dirs[cy][cx],
nx_wf_stack = _doDirs(compatibilities, notCollaspedCoords, [wf, stack[1]], current_coord, current_tiles, dirs, len(dirs)) nx_wf_stack = _doDirs(compatibilities, [wf, stack[1]], current_coord, current_tiles, dirs, len(dirs))
) )
_propagate(nbr_dirs, compatibilities, notCollaspedCoords, nx_wf_stack); _propagate(nbr_dirs, compatibilities, nx_wf_stack);
contradiction_msg = "A contradiction happens. Tiles have all been ruled out by your previous choices. Please try again."; contradiction_msg = "A contradiction happens. Tiles have all been ruled out by your previous choices. Please try again.";
function _doDirs(compatibilities, notCollaspedCoords, wf_stack, current_coord, current_tiles, dirs, leng, i = 0) = function _doDirs(compatibilities, wf_stack, current_coord, current_tiles, dirs, leng, i = 0) =
i == leng ? wf_stack : i == leng ? wf_stack :
let( let(
dir = dirs[i], dir = dirs[i],
nbr = dir + current_coord, nbr = dir + current_coord,
mx_wf_stack = mx_wf_stack =
contains(notCollaspedCoords, nbr) ?
( (
let(nbr_tiles = wf_eigenstates(wf_stack[0])[nbr.y][nbr.x])
len(nbr_tiles) == 1 ? wf_stack :
let( let(
nbr_tiles = wf_eigenstates(wf_stack[0])[nbr.y][nbr.x],
compatible_nbr_tiles = [ compatible_nbr_tiles = [
for(nbr_tile = nbr_tiles) for(nbr_tile = nbr_tiles)
if(compatible_nbr_tile(compatibilities, current_tiles, nbr_tile, dir)) nbr_tile if(compatible_nbr_tile(compatibilities, current_tiles, nbr_tile, dir)) nbr_tile
@@ -161,17 +160,15 @@ function _doDirs(compatibilities, notCollaspedCoords, wf_stack, current_coord, c
stack_push(wf_stack[1], nbr) stack_push(wf_stack[1], nbr)
] ]
) )
:
wf_stack
) )
_doDirs(compatibilities, notCollaspedCoords, mx_wf_stack, current_coord, current_tiles, dirs, leng, i + 1); _doDirs(compatibilities, mx_wf_stack, current_coord, current_tiles, dirs, leng, i + 1);
function generate(nbr_dirs, compatibilities, wf, notCollaspedCoords) = function generate(nbr_dirs, compatibilities, wf, notCollaspedCoords) =
len(notCollaspedCoords) == 0 ? collapsed_tiles(wf) : len(notCollaspedCoords) == 0 ? collapsed_tiles(wf) :
let( let(
coord_weights = wf_coord_weights_min_entropy(wf, notCollaspedCoords), coord_weights = wf_coord_weights_min_entropy(wf, notCollaspedCoords),
weights = coord_weights[2], weights = coord_weights[2],
nwf = propagate(nbr_dirs, compatibilities, notCollaspedCoords, wf_collapse(wf, coord_weights.x, coord_weights.y, weights), coord_weights) nwf = propagate(nbr_dirs, compatibilities, wf_collapse(wf, coord_weights.x, coord_weights.y, weights), coord_weights)
) )
generate(nbr_dirs, compatibilities, nwf, wf_not_collapsed_coords(nwf)); generate(nbr_dirs, compatibilities, nwf, wf_not_collapsed_coords(nwf));

1
src/experimental/tile_wfc.scad
View File

@@ -21,7 +21,6 @@ function tile_wfc(size, sample) =
first_collasped_propagated = propagate( first_collasped_propagated = propagate(
nbr_dirs, nbr_dirs,
compatibilities, compatibilities,
[for(cy = [0:h - 1], cx = [0:w - 1]) [cx, cy]],
wf_collapse(wf, x, y, weights), wf_collapse(wf, x, y, weights),
[x, y] [x, y]
), ),