@nativescript/core
Version:
A JavaScript library providing an easy to use api for interacting with iOS and Android platform APIs.
37 lines • 1.15 kB
JavaScript
const epsilon = 1e-5;
export function areClose(value1, value2) {
return Math.abs(value1 - value2) < epsilon;
}
export function greaterThanOrClose(value1, value2) {
return value1 > value2 || areClose(value1, value2);
}
export function greaterThan(value1, value2) {
return value1 > value2 && !areClose(value1, value2);
}
export function lessThan(value1, value2) {
return value1 < value2 && !areClose(value1, value2);
}
export function isZero(value) {
return Math.abs(value) < epsilon;
}
export function greaterThanZero(value) {
return value > 0;
}
export function notNegative(value) {
return value >= 0;
}
export const radiansToDegrees = (a) => a * (180 / Math.PI);
export const degreesToRadians = (a) => a * (Math.PI / 180);
/**
* Map value changes across a set of criteria
* @param val value to map
* @param in_min minimum
* @param in_max maximum
* @param out_min starting value
* @param out_max ending value
* @returns
*/
export function valueMap(val, in_min, in_max, out_min, out_max) {
return ((val - in_min) * (out_max - out_min)) / (in_max - in_min) + out_min;
}
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