ts-browser-helpers/dist/damper.d.ts

A collection of utility classes, functions and decorators for javascript/typescript projects, for use in the browser.

/**
 * The Damper class is a generic second-order critically damped system that does
 * one linear step of the desired length of time. The only parameter is
 * DECAY_MILLISECONDS. This common parameter makes all states converge at the
 * same rate regardless of scale. xNormalization is a number to provide the
 * rough scale of x, such that NIL_SPEED clamping also happens at roughly the
 * same convergence for all states.
 *
 * Taken from Google model-viewer.
 *
 * https://github.com/google/model-viewer/blob/ec527bc1d0e1bcb4421fa192a7e62bbc5764db91/packages/model-viewer/src/three-components/Damper.ts#L1
 */
export declare class Damper {
    static readonly SETTLING_TIME = 10000;
    static readonly MIN_DECAY_MILLISECONDS = 0.001;
    static readonly DECAY_MILLISECONDS = 50;
    private velocity;
    private naturalFrequency;
    constructor(decayMilliseconds?: number);
    setDecayTime(decayMilliseconds: number): void;
    update(v: number, vGoal: number, timeStepMilliseconds: number, xNormalization: number): number;
}
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