@selenite/commons/dist/utils/math.js

This typescript package provides a set of frequently used utilities, types and svelte actions for building projects with Typescript and Svelte.

export function lerp(start, end, alpha) {
    return start + (end - start) * alpha;
}
export function affineFromPoints(p1, p2) {
    const a = (p2.y - p1.y) / (p2.x - p1.x);
    const b = p2.y - a * p2.x;
    return (x) => a * x + b;
}
export function distance(a, b) {
    return Math.sqrt((a.x - b.x) ** 2 + (a.y - b.y) ** 2);
}
export function getDistance(a, b) {
    return Math.sqrt((a.x - b.x) ** 2 + (a.y - b.y) ** 2);
}