// p = Point or any object with public x/y properties var RotateAroundDistance = function (point, x, y, angle, distance) { var t = angle + Math.atan2(point.y - y, point.x - x); point.x = x + (distance * Math.cos(t)); point.y = y + (distance * Math.sin(t)); return point; }; module.exports = RotateAroundDistance;