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add fdm scarf seams and min layer time

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This commit is contained in:
Stewart Allen 2025-09-27 21:15:21 -04:00
commit 79a227d741
8 changed files with 129 additions and 32 deletions
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15
src/geo/polygon.js
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@ -2324,9 +2324,12 @@ export class Polygon {
return obj;
}
// split long straight lines into segments no longer than max
// and return a new polygon
segment(max = 1, mark, wrap) {
// split long straight lines into segments no longer than `max`
// and return a new polygon. optionally `mark` points with their
// derived segment start point (hinting for thin walls), `wrap`
// the poly first point by appending to the end (adaptive walls),
// or stopping segmentation at `maxoff`
segment(max = 1, mark = false, wrap = false, maxoff = Infinity) {
const newp = [];
const points = this.points;
const length = points.length;
@ -2339,9 +2342,13 @@ export class Polygon {
const dl = Math.sqrt(dx * dx + dy * dy);
newp.push(p1);
if (mark) p1.segment = p1;
if (dl < max) {
// if segment shorter than max (delta) or
// maxoff is exhausted (only segmenting up to some length)
// then skip sub-segmenting the current segment
if (dl < max || maxoff < 0) {
continue;
}
maxoff -= dl;
const div = dl / max;
const fit = div | 0;
const add = fit - 1;