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add 3-way trace intersections to origin candidates

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This commit is contained in:
Stewart Allen 2025-07-10 19:52:11 -04:00
commit b57d815bfe
2 changed files with 28 additions and 10 deletions
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5
src/geo/polygon.js
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@ -1560,7 +1560,12 @@ export class Polygon {
* @returns {number} 0.0 - 1.0 from flat to perfectly circular
*/
circularity() {
try {
return (4 * Math.PI * this.area()) / util.sqr(this.perimeter());
} catch (e) {
console.log(this.perimeter(), e);
return 0;
}
}
circularityDeep() {

31
src/kiri/mode/cam/cl-origin.js
View file

@ -3,7 +3,6 @@
import { api } from '../../core/api.js';
import { env, clearPops } from './client.js';
import { CAM } from './driver-fe.js';
import { config } from '../../../geo/base.js';
import { addbox, clearboxes } from '../../core/boxes.js';
export let originSelectOn = false;
@ -29,25 +28,39 @@ export function originSelect() {
CAM.traces((ids) => {
api.hide.alert(alert);
alert = api.show.alert("select origin<br>[esc] to cancel", 1000);
let ends = {};
let points = {};
let color = new THREE.Color( 0xff0000 );
function incpoint(widget, point) {
let rec = ends[point.key];
if (rec && rec.count++ === 2) {
addpoint(widget, point);
} else if (!rec) {
rec = ends[point.key] = { count: 1 };
}
}
function addpoint(widget, center) {
let box = addbox(center, color, undefined, undefined, { opacity: 1 });
widget.adds.push(box);
world.add(box);
box._origin = center;
points[center.key] = { box, center };
}
api.widgets.for(widget => {
let { pos, tzoff } = widget.track;
let { adds, traces } = widget;
let polys = traces.map(trace => {
let polys = widget.traces.map(trace => {
return trace.fixClosed().clone().move(pos).move({ x:0, y:0, z: -tzoff });
});
for (let poly of polys) {
if (poly.circularity() >= config.hint_min_circ) {
if (poly.circularity() >= 0.99) {
let center = poly.calcCircleCenter();
if (points[center.key]) {
continue;
}
let box = addbox(center, color, undefined, undefined, { opacity: 1 });
adds.push(box);
world.add(box);
box._origin = center;
points[center.key] = { box, center };
addpoint(widget, center);
} else if (poly.isOpen()) {
incpoint(widget, poly.first());
incpoint(widget, poly.last());
}
}
});