How to use the @swim/math.PointR2.origin function in @swim/math
To help you get started, we’ve selected a few @swim/math examples, based on popular ways it is used in public projects.
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swimos / swim / swim-system-js / swim-ux-js / @swim / map / main / MapPolygonView.ts View on Github 
appendCoord(coord: AnyLngLat): void {
coord = LngLat.fromAny(coord);
this._coords.push(new AnyMemberAnimator(LngLat, this, coord as LngLat));
this._points.push(PointR2.origin());
this.requireUpdate(View.NeedsAnimate | MapView.NeedsProject);
}get anchor(): PointR2 {
const view = this._view;
return view ? view.anchor : PointR2.origin();
}setCoords(coords: AnyLngLat[], tween?: Tween): void {
let i = 0;
for (const n = Math.min(this._coords.length, coords.length); i < n; i += 1) {
const coord = LngLat.fromAny(coords[i]);
this._coords[i].setState(coord, tween);
}
for (const n = coords.length; i < n; i += 1) {
const coord = LngLat.fromAny(coords[i]);
this._coords.push(new AnyMemberAnimator(LngLat, this, coord as LngLat));
this._points.push(PointR2.origin());
this.requireUpdate(View.NeedsAnimate | MapView.NeedsProject);
}
this._coords.length = coords.length;
}insertCoord(index: number, coord: AnyLngLat): void {
coord = LngLat.fromAny(coord);
this._coords.splice(index, 0, new AnyMemberAnimator(LngLat, this, coord as LngLat));
this._points.splice(index, 0, PointR2.origin());
this.requireUpdate(View.NeedsAnimate | MapView.NeedsProject);
}get anchor(): PointR2 {
const view = this._view;
return view ? view.anchor : PointR2.origin();
}@swim/math
Mathematical and geometric structures and operators
