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refactor: use hashset

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Justin Lin
2022-04-14 21:22:45 +08:00
parent 38ee4a9c66
commit bde84c004c
1 changed files with 8 additions and 4 deletions
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12
src/voxel/vx_difference.scad
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@@ -8,9 +8,13 @@
*
**/
use <../util/sort.scad>;
use <../util/has.scad>;
use <../util/set/hashset.scad>;
use <../util/set/hashset_has.scad>;
use <../__comm__/_pt3_hash.scad>;
function vx_difference(points1, points2) =
let(sorted = sort(points2, by = "vt"))
[for(p = points1) if(!has(sorted, p, sorted = true)) p];
let(
hash = function(p) _pt3_hash(p),
set = hashset(points2, hash = hash)
)
[for(p = points1) if(!hashset_has(set, p, hash = hash)) p];