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fix open traces in slice and resulting empty top slices. do not offset open polys in expand()

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This commit is contained in:
Stewart Allen 2020-11-17 00:45:34 -05:00
commit 8ac7d3b89a
8 changed files with 49 additions and 9 deletions
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26
src/kiri/slicer2.js
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@ -20,6 +20,17 @@
}
}
// notopok = when genso set, allow empty top array
// emptyok = allow empty slices
// openok = allow open tops
// swapX = swap X/Z
// swapY = sawp Y/Z
// zList = generate list of z vertices
// zline = generate list of z vertices with coplanar lines
// trace = find z coplanar trace lines
// flatoff = amount to offset z when slicing on detected flats
// genso = generate a slice object with tops
// each = call for each slice generated from an interval
setOptions(options) {
Object.assign(this.options, options || {});
return this.options;
@ -243,7 +254,7 @@
if (lines.length) {
retn.lines = removeDuplicateLines(lines);
retn.tops = POLY.nest(connectLines(retn.lines));
retn.tops = POLY.nest(connectLines(retn.lines, opt));
if (opt.swapX || opt.swapY) {
this.unswap(opt.swapX, opt.swapY, retn.lines, retn.tops);
@ -256,11 +267,14 @@
}
}
if (opt.each && (lines.length || opt.emptyok)) {
const haslines = lines.length || opt.emptyok;
const hastops = !opt.genso || retn.tops.length || opt.notopok;
if (opt.each && haslines && hastops) {
opt.each(retn, index, total, UTIL.time() - mark);
}
return retn;
return haslines && hastops ? retn : null;
}
swap(points, options) {
@ -466,7 +480,7 @@
* @param {number} [index]
* @returns {Array}
*/
function connectLines(input) {
function connectLines(input, opt = {}) {
// map points to all other points they're connected to
let DBUG = BASE.debug,
CONF = BASE.config,
@ -662,7 +676,9 @@
tmp, dist, j;
if (!bridge) {
emit(BASE.newPolygon().addPoints(array).setOpen());
if (opt.openok) {
emit(BASE.newPolygon().addPoints(array).setOpen());
}
continue;
}