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fixed case where arcQ.center could be undefined

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This commit is contained in:
Mikhail Allen 2021-06-09 14:36:27 -04:00
commit 7959cc08f2
1 changed files with 8 additions and 1 deletions
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9
src/mode/fdm/export.js
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@ -527,6 +527,7 @@
let e3 = arcQ[el-1]; // last in arcQ
let cc = BASE.util.center2d(e1, e2, e3, 1); // find center
let dc = 0;
if (cc) {
if ([cc.x,cc.y,cc.z,cc.r].hasNaN()) {
console.log({cc, e1, e2, e3});
@ -546,7 +547,13 @@
if (arcQ.length === 4) {
// not enough points for an arc, drop first point and recalc center
emitQrec(arcQ.shift());
arcQ.center = [ BASE.util.center2d(arcQ[0], arcQ[1], arcQ[2], 1) ];
let tc = [ BASE.util.center2d(arcQ[0], arcQ[1], arcQ[2], 1) ];
// the new center is invalid as well. drop the first point
if (!tc) {
emitQrec(arcQ.shift());
} else {
arcQ.center = [ tc ];
}
} else {
// enough to consider an arc, emit and start new arc
let defer = arcQ.pop();