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fix flat render when open ends close on expansion

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This commit is contained in:
Stewart Allen 2020-11-18 16:12:16 -05:00
commit 051cd75680
4 changed files with 11 additions and 3 deletions
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6
src/kiri/render.js
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@ -127,7 +127,13 @@
polys.forEach(poly => {
let exp = off_opt.outs = [];
if (poly.isOpen()) {
// shorten line by offset
const pp = poly.points, pl = pp.length;
pp[0] = pp[0].offsetPointTo(pp[1], offset);
pp[pl-1] = pp[pl-1].offsetPointTo(pp[pl-2], offset);
exp.appendAll(POLY.expand_lines(poly, offset * 0.9, z));
// force re-nest if offsets cause ends to join
exp = POLY.flatten(exp,[],true);
this.stats.flat_line = 0;
} else if (offset) {
POLY.offset([poly], offset * 0.9, off_opt);