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import { FlowLink } from "./FlowLink";
import * as $math from "../../core/util/Math";
/**
* A link element used in [[Chord]] chart.
*/
export class ChordLink extends FlowLink {
constructor() {
super(...arguments);
Object.defineProperty(this, "_p0", {
enumerable: true,
configurable: true,
writable: true,
value: void 0
});
Object.defineProperty(this, "_p1", {
enumerable: true,
configurable: true,
writable: true,
value: void 0
});
Object.defineProperty(this, "_type", {
enumerable: true,
configurable: true,
writable: true,
value: void 0
});
}
getPoint(location) {
if (this._p0 && this._p1) {
if (this._type === "line") {
let p = $math.getPointOnLine(this._p0, this._p1, location);
return { x: p.x, y: p.y, angle: $math.getAngle(this._p0, this._p1) };
}
else {
let p0 = $math.getPointOnQuadraticCurve(this._p0, this._p1, { x: 0, y: 0 }, Math.max(0, location - 0.01));
let p1 = $math.getPointOnQuadraticCurve(this._p0, this._p1, { x: 0, y: 0 }, Math.min(1, location + 0.01));
let p = $math.getPointOnQuadraticCurve(this._p0, this._p1, { x: 0, y: 0 }, location);
return { x: p.x, y: p.y, angle: $math.getAngle(p0, p1) };
}
}
return { x: 0, y: 0, angle: 0 };
}
}
Object.defineProperty(ChordLink, "className", {
enumerable: true,
configurable: true,
writable: true,
value: "ChordLink"
});
Object.defineProperty(ChordLink, "classNames", {
enumerable: true,
configurable: true,
writable: true,
value: FlowLink.classNames.concat([ChordLink.className])
});
//# sourceMappingURL=ChordLink.js.map