///////////////////////////////////////////////////////////////////////////
//    Copyright (C) 2015 Wizardry and Steamworks - License: GNU GPLv3    //
///////////////////////////////////////////////////////////////////////////
// the angle (in radians) o represents a rotation in the trigonometric 
// sense around the Ox axis where O represents the ellipse center
vector wasRotatedEllipsePoint(float a, float b, float o) {
    float x = llPow(-1, 1 + (integer) llFrand(2)) * llFrand(a);
    float y = llPow(-1, 1 + (integer) llFrand(2)) * llFrand(b);
    if(llPow(x/a,2) + llPow(y/b,2) <= 1)
        return <x*llCos(o) + y*llSin(o), x*llSin(o) - y*llCos(o), 0>;
    return wasRotatedEllipsePoint(a, b, o);
}