blood cells traveling on curve flow problem

Hey guys!

Alright so first off I'm using Maya 2008 so I don't think I have the nparticle option. but someone please let me know if I actually can use them to make this oh so much easier.

I got some instanced blood cell particles traveling along a curve (Curve Flow) in a sorta U shape (in and out of the heart). I managed to get them to tumble around but now my main issue is that they all intersect with each other.

I've tried reducing the goal weight and applying a radial field, but that doesn't seem to work as they start going more and more all over the place as I reduce the goal weight. I want them to follow this specific path and bump into each other along the way. I'm open to an alternate way of doing this. any which way as long as it still looks like a bunch of blood cells traveling in and out of the heart.

Cheers and thanks!

Frederic

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