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  • Create random circles and then attract them

    Posted by Josh Pigford on April 14, 2011 at 3:09 am

    I have the following style frame I’m working from:

    What I need to do is generate all those circles of varying size and have them appear a few at a time until the screen is full.

    Then, I need to have some of the circles basically be some sort of attractor that pulls in nearby circles and gets bigger as it “eats” the nearby circles.

    All of which needs to be done and leave that “6,500,000,000” area untouched.

    My brain hurts.

    Any ideas?

    I’m running Cinema R12.

    Adam Trachtenberg replied 15 years, 1 month ago 4 Members · 4 Replies
  • 4 Replies
  • Michael Szalapski

    April 14, 2011 at 2:07 pm

    Sounds like something Thinking Particles would be able to achieve very well. I would think that the growing/eating particles would be in one group and the eaten particles would be in another.
    My skill level in C4D is not high enough to help you other than that. If I had time, I’d open up the manual, search online, and struggle through to see if I could make an example for you, but unfortunately I have pressing work to do today (I’m only on here ’cause I’m waiting for a render to finish.)
    Hopefully this suggestion points you in the right direction.

    – The Great Szalam
    (The ‘Great’ stands for ‘Not So Great, in fact, Extremely Humble’)

    No trees were harmed in the creation of this message, but several thousand electrons were mildly inconvenienced.

  • Michael Szalapski

    April 14, 2011 at 2:35 pm

    Ooh, also, metaballs might be good for the eating and growing part.

    – The Great Szalam
    (The ‘Great’ stands for ‘Not So Great, in fact, Extremely Humble’)

    No trees were harmed in the creation of this message, but several thousand electrons were mildly inconvenienced.

  • Tim Shetz

    April 14, 2011 at 5:13 pm

    Does it have to be done in 3D? If not Particular or CCParticle World in After Effects might be an easier way to go.

    Just a thought.

    __________

    Tim Shetz
    c4dtraining.com

  • Adam Trachtenberg

    April 14, 2011 at 6:00 pm

    Here’s a rough draft of something that you could work on: 2189_spheres2corner.c4d.zip

    The general idea is that an inheritance effector is moving the clones to the position of a matrix object’s particles. Dynamics is causing the clones to slide around the text, or actually around a hidden box encompassing the text. The force>position parameter in the cloner’s dynamics tag is allowing the inheritance effector to do its thing, while still providing collision detection.

    hth

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