vis-network
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A dynamic, browser-based visualization library.
26 lines • 1.4 kB
TypeScript
import { BezierEdgeBase } from "./bezier-edge-base.ts";
import type { Point } from "./types.ts";
/**
* A Base Class for all Cubic Bezier Edges. Bezier curves are used to model
* smooth gradual curves in paths between nodes.
* @augments BezierEdgeBase
*/
export declare abstract class CubicBezierEdgeBase<Via> extends BezierEdgeBase<Via> {
/**
* Calculate the distance between a point (x3,y3) and a line segment from (x1,y1) to (x2,y2).
* @remarks
* http://stackoverflow.com/questions/849211/shortest-distancae-between-a-point-and-a-line-segment
* https://en.wikipedia.org/wiki/B%C3%A9zier_curve
* @param x1 - First end of the line segment on the x axis.
* @param y1 - First end of the line segment on the y axis.
* @param x2 - Second end of the line segment on the x axis.
* @param y2 - Second end of the line segment on the y axis.
* @param x3 - Position of the point on the x axis.
* @param y3 - Position of the point on the y axis.
* @param via1 - The first point this edge passes through.
* @param via2 - The second point this edge passes through.
* @returns The distance between the line segment and the point.
*/
protected _getDistanceToBezierEdge2(x1: number, y1: number, x2: number, y2: number, x3: number, y3: number, via1: Point, via2: Point): number;
}
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