// Easy way to find distance between two vectors in JavaScript
// [x, y, z]
var vectorFrom = [10, 10, 1];
var vectorTo = [12, 11, 0];

var distance = Math.sqrt(((vectorFrom[0] - vectorTo[0]) * (vectorFrom[0] - vectorTo[0])) + ((vectorFrom[1] - vectorTo[1]) * (vectorFrom[1] - vectorTo[1])) + ((vectorFrom[2] - vectorTo[2]) * (vectorFrom[2] - vectorTo[2])));