@thi.ng/ramp/hermite.d.ts

Extensible keyframe interpolation/tweening of arbitrary, nested types

import type { Vec } from "@thi.ng/vectors";
import type { Frame, RampImpl, RampOpts, VecAPI } from "./api.js";
import { Ramp } from "./ramp.js";
/**
 * Syntax sugar for creating a numeric {@link Ramp} using the {@link HERMITE_N}
 * ramp hermite spline interpolation impl and given stops (aka keyframes,
 * minimum 2 required).
 *
 * @remarks
 * For vector-valued hermite ramps, use {@link ramp} with {@link HERMITE_V}.
 *
 * Reference:
 * https://en.wikipedia.org/wiki/Cubic_Hermite_spline
 *
 * Also see:
 *
 * - https://docs.thi.ng/umbrella/math/functions/mixCubicHermite.html
 * - https://docs.thi.ng/umbrella/math/functions/tangentCardinal.html
 *
 * @param stops
 * @param opts
 */
export declare const hermite: (stops: Frame<number>[], opts?: Partial<RampOpts>) => Ramp<number>;
export declare const HERMITE_N: RampImpl<number>;
/**
 * Vector version of {@link HERMITE_N}. Use with any of the supplied vector APIs:
 * {@link VEC} (arbitrary size), {@link VEC2}, {@link VEC3} or {@link VEC4}.
 *
 * @param vec
 */
export declare const HERMITE_V: <T extends Vec>(vec: VecAPI) => RampImpl<T>;
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