sparkar-remap/Remap.js

An Utility for mapping value in Spark AR

const Reactive = require('Reactive');

/**
 * Support `number`, `ScalarSignal`, `Point2DSignal`, `PointSignal`, `Point4DSignal`, `VectorSignal`
 * @returns {any}
 */
function remapClamp(value, fromMin, fromMax, toMin, toMax) {
    return Reactive.clamp(remap(value, fromMin, fromMax, toMin, toMax), Reactive.min(toMin, toMax), Reactive.max(toMin, toMax));
}

/**
 * Support `number`, `ScalarSignal`, `Point2DSignal`, `PointSignal`, `Point4DSignal`, `VectorSignal`
 * @returns {any}
 */
function remap(value, fromMin, fromMax, toMin, toMax) {
    value = typeof value === 'number' ? Reactive.val(value) : value;
    return Reactive.toRange(value.fromRange(fromMin, fromMax), toMin, toMax);
}

/**
 * @param {ScalarSignal | number} value 
 */
function toRadian(value) {
    return remap(value, -180, 180, -Math.PI, Math.PI);
}

/**
 * @param {ScalarSignal | number} value
 */
function toDegree(value) {
    return remap(value, -Math.PI, Math.PI, -180, 180);
}

export { remap, remapClamp, toRadian, toDegree }