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add neighbor_compatibilities

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Justin Lin
2021-03-16 11:34:58 +08:00
parent 1b763a790e
commit 0f615bee9d
1 changed files with 15 additions and 0 deletions
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15
src/experimental/tiles_wfc.scad
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@@ -185,6 +185,20 @@ function _wf_coord_min_entropy(wf, coords, coords_leng, entropy, entropyCoord, i
_wf_coord_min_entropy(wf, coords, coords_leng, entropy, entropyCoord, i + 1);
// TileMap
function neighbor_dirs(x, y, width, height) =
concat(
x > 0 ? [[-1, 0]] : [], // left
x < width - 1 ? [[ 1, 0]] : [], // right
y > 0 ? [[ 0, -1]] : [], // top
y < height - 1 ? [[ 0, 1]] : [] // bottom
);
function neighbor_compatibilities(sample, x, y, width, height) =
let(me = sample[y][x])
[for(dir = neighbor_dirs(x, y, width, height)) [me, sample[y + dir[1]][x + dir[0]], dir]];
width = len(sample[0]);
height = len(sample);
@@ -203,3 +217,4 @@ for(y = [0:height - 1]) {
}
assert(wf_entropy(wf, 0, 0) == 1.458879520793018);
assert(wf_coord_min_entropy(wf_collapse(wf, 0, 0)) != [0, 0]);
echo(neighbor_compatibilities(sample, 0, 0, width, height));