trainsim/math/lerp.ts

8 lines
258 B
TypeScript

import { Vector } from "./vector.ts";
export const lerp = (a: number, b: number, t: number) => {
return (a*t) + (b*(1-t));
}
export const map = (value: number, x1: number, y1: number, x2: number, y2: number) =>
(value - x1) * (y2 - x2) / (y1 - x1) + x2;