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de-rez complex slices for support interference detection where it's less important

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This commit is contained in:
Stewart Allen 2021-06-23 15:25:01 -04:00
commit a73faf8d05
2 changed files with 22 additions and 13 deletions
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23
src/geo/polygons.js
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@ -288,15 +288,7 @@
* @returns {Polygon[]} out
*/
function subtract(setA, setB, outA, outB, z, minArea) {
let clib = self.ClipperLib,
ctyp = clib.ClipType,
ptyp = clib.PolyType,
cfil = clib.PolyFillType,
clip = new clib.Clipper(),
ctre = new clib.PolyTree(),
sp1 = toClipper(setA),
sp2 = toClipper(setB),
min = minArea || 0.1,
let min = minArea || 0.1,
out = [];
function filter(from, to = []) {
@ -309,10 +301,17 @@
return to;
}
const JS = true;
if (true) {
let clib = self.ClipperLib,
ctyp = clib.ClipType,
ptyp = clib.PolyType,
cfil = clib.PolyFillType,
clip = new clib.Clipper(),
ctre = new clib.PolyTree(),
sp1 = toClipper(setA),
sp2 = toClipper(setB);
if (JS) {
// expensive but worth it?
// more expensive? worth it?
clip.StrictlySimple = true;
if (outA) {
clip.AddPaths(sp1, ptyp.ptSubject, true);