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improve draft shield: preserve only outer polyline from brim

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This commit is contained in:
Stewart Allen 2022-02-06 16:05:00 -05:00
commit 879c1f27ac
1 changed files with 17 additions and 5 deletions
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22
src/kiri-mode/fdm/prepare.js
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@ -156,7 +156,7 @@
// if using brim vs raft
if (process.outputBrimCount) {
let polys = [],
preout = brimout = [];
preout = [];
// offset specified # of brims
POLY.offset(brims, nozzle, {
@ -167,6 +167,7 @@
});
print.setType('brim');
brimout = POLY.nest(polys.clone(), true).clone();
// output brim points
let brimStart = offset < nozzle * 2 ? newPoint(-bedWidth, -bedDepth, 0) : printPoint;
@ -569,10 +570,21 @@
// draft shield
if (layerno > 0 && brimout && draftShield) {
print.setType('brim');
print.addPrintPoints(brimout.map(o => o.clone(printPoint.z)), layerout, null);
layerout.last().retract = true;
printPoint = layerout.last().point;
print.setType('shield');
brimout = POLY.setZ(brimout.clone(), printPoint.z);
let preout = [];
printPoint = print.poly2polyEmit(brimout, printPoint, (poly, index, count, startPoint) => {
return print.polyPrintPath(poly, startPoint, preout, {
onfirst: function(point) {
if (preout.length && point.distTo2D(startPoint) > 2) {
// retract between part and shield
preout.last().retract = true;
}
}
});
});
preout.last().retract = true;
layerout.appendAll(preout);
}
// if a declared extruder isn't used in a layer, use selected