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Activity Forums Maxon Cinema 4D Mograph Clones with alpha cutout

  • Mograph Clones with alpha cutout

    Posted by Darryn Rogers on August 5, 2020 at 8:11 am

    I’ve set up a flat grid of “lights” in cinema using a simple sprite with an alpha channel going into a mograph cloner. The alpha channel works and cuts out the sprites relative to the background but where the clones overlap each other the alpha does not calculate correctly. The alphas do not seem to calculate “inter-clone-ally”

    I have already set this scene up with actual lights and it works but it renders slow and I’m trying to save on render time by faking it with sprites.

    A screenshot

    The file
    14244_spritesexample.zip

    Darryn Rogers replied 5 years, 9 months ago 2 Members · 2 Replies
  • 2 Replies
  • Sam Treadway

    August 6, 2020 at 1:49 am

    This happens when polygons overlap in the exact same space. Without hierarchical depth, one essentially overwrites the other.
    To solve it using your current setup, simply add a random effector to the cloner, zero out X and Y, and set the Z value to something really small like 0.01.

  • Darryn Rogers

    August 7, 2020 at 8:02 am

    Thanks Sam! You’re a legend. It worked.
    You just saved me a whole crap-tonne of render time.

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