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change fingerprinting algorithm

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This commit is contained in:
Stewart Allen 2021-07-10 21:19:56 -04:00
commit aeb8d9512a
6 changed files with 79 additions and 20 deletions
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6
src/mode/fdm/slice.js
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@ -600,7 +600,7 @@
output
.setLayer("sparse fill", COLOR.infill)
.addPolys(top.fill_sparse || [], vopt({ offset, height, outline: true }))
.addPolys(top.fill_sparse || [], vopt({ offset, height, outline: true, trace:true }))
if (top.thin_fill) output
.setLayer("thin fill", COLOR.fill)
@ -866,7 +866,7 @@
cache = !(options.cache === false),
type = options.type || 'hex';
if (slice.tops.length === 0 || density === 0.0 || slice.isSolidLayer) {
if (slice.tops.length === 0 || density === 0.0 || slice.isSolidLayer || slice.index < 0) {
slice.isSparseFill = false;
return;
}
@ -943,9 +943,11 @@
if (skippable && slice.fingerprintSame(down)) {
// the fill fingerprint can slightly different because of solid projections
if (down._fill_finger && POLY.fingerprintCompare(slice._fill_finger, down._fill_finger)) {
// console.log({fill_clone: down.index});
for (let i=0; i<tops.length; i++) {
// the layer below may not have infill computed if it's solid
if (down.tops[i].fill_sparse) {
// tops[i].fill_sparse = down.tops[i].fill_sparse.map(p => p.cloneZ(slice.z));
tops[i].fill_sparse = down.tops[i].fill_sparse.map(poly => {
return poly.clone().setZ(slice.z);
});