Mashed Up Sphere Variation Six

Mashed Up Sphere Variation Six - haXe & flash 10 Random.swf 800 450

introducing atan2(x,y) in to mashup variation 5 gives some interesting results.

for( i in 0...PARTICLES ) {
    a = (360/PARTICLES)*i;
    r = (i/PARTICLES) * Math.PI;
    x = Math.tan(a) * Math.cos(r);
    y = Math.tan(a) * Math.sin(r);
    z = Math.atan2( x, y );
}