scaled agngle within min bounds

gistfile1.js

    var radiusEarth = 6372.796924;
    
    var dist = 2.0;
    var maxAngle = dist / radiusEarth;
    var minAngle = 0.25 / radiusEarth;

    var cosdif = Math.cos(maxAngle) - 1;
    var fuzzScale = Math.random() * (0.999999 - minAngle) + minAngle;
    var scaledDist = Math.acos(fuzzScale * cosdif + 1);