cubic-beziers-through-points/src/get-infos/info.ts

A function to fit fair (bending energy minimizing) cubic bezier curves through a set of given ordered points in the plane.

import { AnglesAndSpeeds } from 'flo-bezier3';


/**
 * Additional information for each curve.
 * 
 * * see for example [A CONSTRUCTIVE FRAMEWORK FOR MINIMAL ENERGY PLANAR CURVES by Michael J. Johnson & Hakim S. Johnson](https://www.sciencedirect.com/science/article/abs/pii/S0096300315015490)
 */
interface Info {
    /** stencil angle */
    ϕ: number;
    /** the allowed α range */
    range: [number,number];
    /** the previous info in the loop */
    _info: Info,
    /** the next info in the loop */
    info_: Info,
    /** the stencil point */
    p: number[],
    /** the bezier curve belonging to this info in Bernstein basis */
    ps: number[][],
    /** the bezier curve belonging to this info in Angle/Speed basis */
    $ps: AnglesAndSpeeds;

    L: number;
    rot: number;

    l: number;  // left
    m: number;  // mid
    r: number;  // right
}


export { Info }