Simple Java Polygon Generator

public static Polygon Generate(int seed)
{
    Random generator = new Random(seed);

    // Set points using a min and max range
    int numPoints = (int)Math.floor(generator.nextDouble() * (maxPts-minPts)) + minPts;

    int[] yPolyPoints = new int[numPoints];
    int[] xPolyPoints = new int[numPoints];

    // Set the radius using min and max range as well
    radius = (int)Math.floor(generator.nextDouble() * (maxRad - minRad)) + minRad;

    double crAng = 0,

            // Angle between each point
            angDiff = Math.toRadians(360.0 / numPoints),

            // Arbitrary radJitter range; notice I subtract each by the jitter / 2.0 to get a +/- jitter with this range
            radJitter = radius / 3.0,
            angJitter = angDiff * .9;

    for (int i=0; i<numPoints; i++)
    {
            double tRadius = radius + (generator.nextDouble() * radJitter - radJitter / 2.0);
            double tAng = crAng + (generator.nextDouble() * angJitter - angJitter / 2.0);
            int nx = (int)(Math.sin(tAng) * tRadius),
                    ny = (int)(Math.cos(tAng) * tRadius);
            yPolyPoints[i] = ny;
            xPolyPoints[i] = nx;
            crAng += angDiff;
    }

    return new Polygon(xPolyPoints, yPolyPoints, numPoints);
}