@john117(View Post) Here's the problem, most of the people who suggest things like this have absoluteley no ideea how much lag this would caus (anybody remember when gravity lensing was introduced on fancy display?), you would hav to calaulate spins and stuff, which would also be impossible to generate graphics for those particles
HOWEVER
If you just mean something like a bullet that moves in one direction based on pressure. a while back Gamax92 made a lua script that did something like that...