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trim support shadow to overhangs

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This commit is contained in:
Stewart Allen 2026-01-13 23:43:39 -05:00
commit b705bd6391
1 changed files with 7 additions and 0 deletions
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7
src/kiri/mode/fdm/work/slice.js
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@ -511,6 +511,13 @@ export function sliceOne(settings, widget, onupdate, ondone) {
// assign to slices (sync) // assign to slices (sync)
for (let slice of stack) { for (let slice of stack) {
slice.shadow = await widget.shadowAt(slice.z, true); slice.shadow = await widget.shadowAt(slice.z, true);
if (!(slice.up && slice.shadow?.length)) continue;
// trim shadow to part overhangs
let top = slice.up.topPolys();
let bot = slice.topPolys();
let bridge = [];
POLY.subtract(top, bot, bridge, undefined, slice.z, 0, { wasm: true });
slice.shadow = POLY.trimTo(slice.shadow, bridge, { minArea: 0 });
} }
} }