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  • How do you freeze particles or have them decay

    Posted by Ken Latman on May 22, 2006 at 1:10 am

    I re-reviewed my old Total Training tapes on Particle playground and I sorta figured out how to make particles explode like fireworks.

    What I want to happen is the firework explodes and as it trails out the particles magnitize to the edges of a letter form.

    I put my particle layer with in a mask and turn on the wall, but now my particles just bounce around endlessly not desovling or attracting themselves to the wall. I’ve messed whith the gravity and velocity properties, but I’m not getting the results I want. Just alot of bouncing around.

    Please help. Also does anyone know if the newer Total training DVDs cover Particle Playground? My current version is on VHS from AE 4 and the section is only an hour long. More on this subject is needed I think.

    Roland R. kahlenberg replied 20 years, 3 months ago 3 Members · 4 Replies
  • 4 Replies
  • Mylenium

    May 22, 2006 at 5:42 am

    Na, I think you’r approaching this the wrong way. You should use property maps. E.g. you could create a greyscale version of your text in a subcomp and reveal it using blur and opacity animation. When it’s blurred, it looks like a cloud and get’s sharper the more the animation progresses. Combine that with the opacity and use it to e.g affect velocity and your particles will get stickier until they form the letters. You should also elaborate other options such as the Shatter effect with very small fragments played in reverse.

    As for Total Training – well I never found someone who would give it to me at no cost and so decided I don’t need it *lol*, but I’m sure it will feature some revised stuff. I doubt, that it is much longer though. Even though PPG is theoretically rather powerful, noone really loves it enough to use it unless there is no other way because it’s so damn slow.

    Mylenium

    [Pour Myl

  • Ken Latman

    May 22, 2006 at 12:45 pm

    I’m a little confused on your suggestion.
    Do I map particles using the Ephemerial property or persistant property. I don’t think this is the issue but, am I looking to map using angular velocity or gradient velocity?
    I’m doing several tests I’m not get any any results other than just a flow of particles out of a source. Gravity doesn’t appear to be attracting to anything.
    Please help.

  • Mylenium

    May 22, 2006 at 6:15 pm

    I was thinking of using kinetic friction to make your particles stick. Doesn’t work since it will use the edges and not the area shape to make particles stick. Apologies for misleading your.

    Mylenium

    [Pour Myl

  • Roland R. kahlenberg

    May 23, 2006 at 7:01 pm

    I have a couple of Particle Playground tutorials here at the COW. Just head on to the AE Tutorial section and do a quick search for Particle Playground. The tutorial entitled Particle Playland has an example that uses kinetic friction to have particles stick to an object.

    HTH
    RoRK
    broadcastGEMs
    customizable animated backdrops with Adobe After Effects project files

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