@thi.ng/vectors/mix-hermite.d.ts

Optimized 2d/3d/4d and arbitrary length vector operations, support for memory mapping/layouts

import type { ReadonlyVec, Vec } from "./api.js";
/**
 * Vector version of
 * [`mixCubicHermite`](https://docs.thi.ng/umbrella/math/functions/mixCubicHermite.html).
 *
 * @param out - result
 * @param a -
 * @param ta - tangent A
 * @param b -
 * @param tb - tangent B
 * @param t - interpolation coeff `[0,1]`
 */
export declare const mixCubicHermite: (out: Vec | null, a: ReadonlyVec, ta: ReadonlyVec, b: ReadonlyVec, tb: ReadonlyVec, t: number) => Vec<number>;
/**
 * Convenience version of {@link mixCubicHermite}, using 4 input points and
 * {@link tangentCardinal} to compute the tangents for points `b` and `c` (with
 * optional `scale`, default 0.5). Interpolated result point is that of `b` and
 * `c`, with `a` and `d` only being used for tangent calculations.
 *
 * If `out` is null, stores result in `b`.
 *
 * @param out - result
 * @param a -
 * @param b -
 * @param c -
 * @param d -
 * @param t - interpolation coeff `[0,1]`
 * @param scale - tangent tightness / scale
 */
export declare const mixHermiteCardinal: (out: Vec | null, a: ReadonlyVec, b: ReadonlyVec, c: ReadonlyVec, d: ReadonlyVec, t: number, scale?: number) => Vec<number>;
/**
 * Convenience version of {@link mixCubicHermite}, using 4 input points and
 * {@link tangentDiff3} to compute the tangents for points `b` and `c`.
 * Interpolated result point is that of `b` and `c`, with `a` and `d` only being
 * used for tangent calculations.
 *
 * If `out` is null, stores result in `b`.
 *
 * @param out - result
 * @param a -
 * @param b -
 * @param c -
 * @param d -
 * @param t - interpolation coeff `[0,1]`
 */
export declare const mixHermiteDiff3: (out: Vec, a: ReadonlyVec, b: ReadonlyVec, c: ReadonlyVec, d: ReadonlyVec, t: number) => Vec<number>;
/**
 * Vector version of
 * [`tangentCardinal`](https://docs.thi.ng/umbrella/math/functions/tangentCardinal.html).
 *
 * @param out -
 * @param prev -
 * @param next -
 * @param scale -
 * @param ta -
 * @param tc -
 */
export declare const tangentCardinal: (out: Vec, prev: ReadonlyVec, next: ReadonlyVec, scale?: number, ta?: number, tc?: number) => Vec<number>;
/**
 * Vector version of
 * [`tangentDiff3`](https://docs.thi.ng/umbrella/math/functions/tangentDiff3.html).
 *
 * @param out - result
 * @param prev -
 * @param curr -
 * @param next -
 * @param ta -
 * @param tb -
 * @param tc -
 */
export declare const tangentDiff3: (out: Vec, prev: ReadonlyVec, curr: ReadonlyVec, next: ReadonlyVec, ta?: number, tb?: number, tc?: number) => Vec<number>;
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