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Particle Along Curve Problem


ykcosmo

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I tried to make particle along curve , the animation has 3 phases. In the first phase, the particle is slow, in the second one, the particle is fast, and in the last one, the particle is the fasted. I tried both creep and attractor, they are hard to control the speed of the particle, and the particle at last always stop at the end of the curve or surface, I want it move still.....any ideas?

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Here are a few links that might help:

http://www.sidefx.com/index.php?option=com...opic&t=2283

http://forums.odforce.net/index.php?showtopic=3699

http://forums.odforce.net/index.php?showtopic=4366

I've attached an example hip file from old school using the Tangent HDA and the AttribTransfer POP. I tried to search from the original post but just can't find it.

Please let us know how it goes.

Cheers!

steven

tangent_example2004_09_10.hip

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the thing to remember about using creep is that the distance between the collumns, or rows, really controls the speed as it is trying to maintain a consistant speed(or rather it wants to reach 1 at a predefined time) from the 0-1 u/v so by powering your grid in x or y you can get a decent deceleration/acceleration. Toy with that, and consider killing them once they reach then end, and in another popnet birth a particle that is free to roam, consider it the"spirit" of the dead creep particle where it inherits the final v of the dead particle and then continues it's afterlife roaming in a sea of forces.

-3db

Edited by 3dbeing
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