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add gear bottom chamfer to match

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This commit is contained in:
Stewart Allen 2024-07-19 18:13:46 -04:00
commit 683cada6b9
1 changed files with 19 additions and 14 deletions
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33
src/geo/polygon.js
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@ -2055,8 +2055,8 @@ class Polygon {
if (!(this.inner && this.inner.length === 1)) { if (!(this.inner && this.inner.length === 1)) {
return undefined; return undefined;
} }
let outer = this.clone(); let outer = this.clone().setClockwise();
let inner = this.inner[0].clone().alignWinding(outer); let inner = this.inner[0].clone().setClockwise();
let c0 = outer.circularity(); let c0 = outer.circularity();
let c1 = inner.circularity(); let c1 = inner.circularity();
let n0 = outer.points.length; let n0 = outer.points.length;
@ -2132,25 +2132,30 @@ class Polygon {
// create chamfers (when defined) // create chamfers (when defined)
if (chamfer_top) { if (chamfer_top) {
let top_in = this.offset(chamfer_top); let inset = this.offset(chamfer_top);
if (top_in.length === 1) { if (inset.length === 1) {
top_in[0].setZ(z_top); inset[0].setZ(z_top);
top_face = top_in[0].earcut(); top_face = inset[0].earcut();
z_side_top -= chamfer_top; z_side_top -= chamfer_top;
let renest = POLY.renest([this.clone(true).setZ(z_side_top), top_in[0]]); let renest = POLY.renest([this.clone(true).setZ(z_side_top), inset[0]]);
for (let rnpoly of renest) { for (let rnpoly of renest) {
if (rnpoly.depth === 0) { obj.appendAll(rnpoly.ribbonMesh(true));
// outer chamfer
obj.appendAll(rnpoly.ribbonMesh());
} else {
// inner chamfer
obj.appendAll(rnpoly.ribbonMesh(true));
}
} }
} }
} }
if (chamfer_bottom) { if (chamfer_bottom) {
let inset = this.offset(chamfer_bottom);
if (inset.length === 1) {
inset[0].setZ(0);
bottom_face = inset[0].earcut();
z_side_top -= chamfer_top;
z_side_bottom += chamfer_top;
let renest = POLY.renest([this.clone(true).setZ(z_side_bottom), inset[0]]);
for (let rnpoly of renest) {
obj.appendAll(rnpoly.ribbonMesh(false));
}
}
} }
for (let poly of top_face) { for (let poly of top_face) {