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support mask

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This commit is contained in:
Justin Lin
2021-01-24 09:51:16 +08:00
parent 4101a347a0
commit d4362a8273
1 changed files with 17 additions and 7 deletions
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12
src/experimental/2_edge_wang_tiles.scad
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@@ -1,4 +1,4 @@
module 2_edge_wang_tiles(rows, columns, tile_width, seed) { module 2_edge_wang_tiles(rows, columns, tile_width, mask, seed) {
edges = is_undef(seed) ? [ edges = is_undef(seed) ? [
for(y = [0:rows]) for(y = [0:rows])
[ [
@@ -15,10 +15,19 @@ module 2_edge_wang_tiles(rows, columns, tile_width, seed) {
] ]
]; ];
m = is_undef(mask) ? [
for(y = [0:rows - 1])
[for(x = [0:columns - 1]) 1]
] : [
for(y = rows - 1; y > -1; y = y - 1)
[for(x = [0:columns - 1]) mask[y][x]]
];
half_w = tile_width / 2; half_w = tile_width / 2;
translate([half_w, half_w]) translate([half_w, half_w])
for(y = [0:rows - 1]) { for(y = [0:rows - 1]) {
for(x = [0:columns - 1]) { for(x = [0:columns - 1]) {
if(m[y][x] == 1) {
i = (edges[y + 1][x][0] == 1 ? 1 : 0) + i = (edges[y + 1][x][0] == 1 ? 1 : 0) +
(edges[y][x + 1][1] == 1 ? 2 : 0) + (edges[y][x + 1][1] == 1 ? 2 : 0) +
(edges[y][x][0] == 1 ? 4 : 0) + (edges[y][x][0] == 1 ? 4 : 0) +
@@ -27,4 +36,5 @@ module 2_edge_wang_tiles(rows, columns, tile_width, seed) {
children(i); children(i);
} }
} }
}
} }