not bad, bit confusing in places, but not bad.
Although this game is absolutely brillant, it can be difficult to understand for those who do not understand maths as well as others, it IS however a nifty peice of work that deserves at leat a rating of 4.
Hehe, it looks like a giant blender (or the electro magnet from event horizon[not an advertisement]):
X: -
Y: -
X: COS
Y: SIN
Initial Size: 5 pixels
Initial angle: 0 degrees
Size increment: 1 %
Angle increment: 79 degrees