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Activity Forums Adobe After Effects Particular Velocity Question

  • Particular Velocity Question

    Posted by Yuval Zolo on March 24, 2014 at 3:02 pm

    Hey gang 🙂

    I’m working on AE for some time now and im trying to recreate an effect (you can see here:)

    https://www.youtube.com/watch?v=464rh_N-Z_c
    (time= 00:28)

    It’s a small explosion of white star particles.

    Please notice that they start expanding very fast in space and then suddenly slow down and then fade away.

    I tried Keying the Velocity parameter to slow down at a certain frame but for some reason it only affects the particles that haven’t been born yet.

    Any ideas?

    Thank’s in advance.
    Z

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    Ridley Walker replied 12 years, 4 months ago 3 Members · 4 Replies
  • 4 Replies
  • John Cuevas

    March 24, 2014 at 3:18 pm

    keyframe the Physics > Physics Time Factor.

    Johnny Cuevas, Editor
    Thinkck.com

    “I have not failed 700 times. I have succeeded in proving that those 700 ways will not work. When I have eliminated the ways that will not work, I will find the way that will work.”
    —THOMAS EDISON on inventing the light bulb.

  • Yuval Zolo

    March 24, 2014 at 3:20 pm

    Hey.

    Thanks for the quick answer.

    I already tried that but that gives me weird and unexpected results.

  • John Cuevas

    March 24, 2014 at 3:43 pm

    Other than Physics Time Factor, the next thing would be to create your particular effect, precomp it, and time remap or the effect Time > timewarp(or something similiar)

    Johnny Cuevas, Editor
    Thinkck.com

    “I have not failed 700 times. I have succeeded in proving that those 700 ways will not work. When I have eliminated the ways that will not work, I will find the way that will work.”
    —THOMAS EDISON on inventing the light bulb.

  • Ridley Walker

    March 24, 2014 at 3:48 pm

    Adjust the settings in the Particle section for Opacity Over Life, in the Physics section adjust Gravity and adjust Air resistance.

    I came close in a few minutes…

    7287_particle.aep.zip

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