To be honest it was more accident than design.<img src="smileys/smiley9.gif" border="0" align="middle" />
I've only had C2 for a short time and I am just playing around with different ideas trying to learn and find my way.
This started out as dots (sprites) moving toward where ever I touched the screen. The sprites had random speeds and constantly corrected their direction by rotate towards position. Just altering their speeds and angle they changed direction by gave some pleasing effects ...