Just renamed this shader to Vector Ball.
If you want to draw nice balls on your game this shader is for you <img src="{SMILIES_PATH}/icon_e_wink.gif" alt=";)" title="Wink" />
You can set colors and light x,y position.
http://gigatron3k.free.fr/html5/C2/FX/vectorball.rar
I don't really post but I had to say, this is very freakin' cool! Thank you!
Loved the music too <img src="{SMILIES_PATH}/icon_e_biggrin.gif" alt=":D" title="Very Happy" />