const methods = require("angle-conversions");
console.log(methods.angleBetweenTwoPoints({x: 2, y: 2}, {x: 2, y: 4})) //returns 180
const methods = require("angle-conversions");
console.log(methods.radiansToDegrees(Math.PI)) //returns 180
const methods = require("angle-conversions");
console.log(methods.degreesToRadians(180)) //returns 3.141592...