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Activity Forums Maxon Cinema 4D Depth cueing particles

  • Depth cueing particles

    Posted by Ben Rollason on April 13, 2010 at 3:53 pm

    Hi All,

    Is there a way in C4D to depth cue particles?

    Basically, I’m making dust in a volumetric light, which looks great until the camera flies too close to the dust and you can see its rather crude geometry – the dust that is, not the camera. 🙂

    Also, the dust doesn’t respond well to depth of field effects, so I’d like to be able to make the particles more or less opaque depending on their distance from the camera. Is there a way to do this?

    Thanks.

    Ben.

    vfx.benrollason.com

    Jeremy Allen replied 16 years, 1 month ago 2 Members · 4 Replies
  • 4 Replies
  • Jeremy Allen

    April 13, 2010 at 4:54 pm

    I’m not sure about opacity, but you could use a plain effector set to scale -1, with a long falloff as a child of your camera. So as you get closer to the particles, they would get smaller. Or as you got farther away, they would get smaller. Depends on what you are wanting to do..

    I haven’t played with the particle system in C4D too much, so someone else may be able to help you more..

    ———————————————
    8core MacPro, 3.0 GHZ, 10GB RAM, OSX 10.5.6

    C4D 11.5
    AE CS3
    FCP 6.0.1

  • Ben Rollason

    April 13, 2010 at 5:58 pm

    Thanks for the tip Jeremy. I can’t seem to get the plain effector to work with the particle emitter though. Maybe it’s trying to effect the emitter rather than the particles. I tried cloning the particle emitter with a mograph cloner and so on to get it into the mograph world, but no joy.

    Maybe baking the particles? I haven’t worked much with particles in Cinema, so I’m clutching at straws.

    I’m using the standard particle generator, by the way, not TP.

    -Ben.

    vfx.benrollason.com

  • Ben Rollason

    April 13, 2010 at 6:15 pm

    Ah… just cracked it. You have to make a cloner with its mode set to object and drop the emitter in to the object field of the cloner. Then any child of the cloner becomes the particle.

    It’s a bit unintuitive sometimes, is Mograph! 🙂

    -B.

    vfx.benrollason.com

  • Jeremy Allen

    April 13, 2010 at 6:26 pm

    Hey glad I could help. And good for you to keep at it and figure it out! Yeah, C4D can be tricky to get a handle on sometimes. Imagine my struggle, I come from a design and video editing background and have never touched any 3D program before I started playing with C4D a few months ago. Lots of long nights and head scratching for sure. But you gotta admit, when you finally figure something out and have that “I’m a genius” moment, its pretty satisfying 🙂 Until 5 minutes later some other problem makes you feel like an idiot again! haha

    ———————————————
    8core MacPro, 3.0 GHZ, 10GB RAM, OSX 10.5.6

    C4D 11.5
    AE CS3
    FCP 6.0.1

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