Animating Opacity

Learn how the Display tag and Alpha channel can be used to animate the opacity of your Cinema 4D objects.

Discuss
  1. John Stanowski
    Reply

    Nice to see a new tip on Motionworks!
    I noticed when you change the opacity, the object becomes transparent in such a way that you can see inside it. Do you know if there’s a way to change the opacity without this happening?

  2. yader
    Reply

    Thanks for the tip John, in order to not see trough the objects geometry while fading out there’s a nifty trick. Give your object a compositing tag. Go to the Exclusion tab, drag your object in there. There are four icons beside your object. The first one is greyed out. Activate that. Now your fading out should be 2D instead of 3d :-)

    • John Dickinson
      Reply

      Thanks Yader that’s a terrific tip and answers John’s question too. Much appreciated. I’m about to upload an updated tip that shows how to animate opacity use a material’s Alpha channel. Interestingly the technique you describe doesn’t work in that case… Best, John.

      • yader
        Reply

        You’re welcome :)
        I tested it here with 11.5 and 12,
        it works with the display tag and also with the alpha channel method.
        I also tried it with a Text Object, maybe you forgot to take the Text Object
        into the Exclusion tab?

        • John Dickinson
          Reply

          Thanks Yader, just tested again and it seems to work fine… that’s a great tip! Best wishes, John.

    • Alex
      Reply

      That’s a great tip Yader, I had that “3D fade” problem just yesterday and couldn’t find a solution. Perfect timing, thankyou so much!

  3. AdamV
    Reply

    Excellent tips, thank you!

    I wish Maxon would get bought by Adobe, I would love if C4D was more like AE. You know, awesome and made sense. Of course a lot of Adobe’s products are not near as good as AE.

  4. Steve
    Reply

    Hi John,

    Bit of a sidebar question… but can you describe the technique to get a different material on an objects fillet?

    • John Dickinson
      Reply

      Hi Steve,
      That’s done using R1 (for rounding) and C1 (for cap) in the Selection field. Looks like a good tip for me to record ;) Best, John.

  5. suwit
    Reply

    nice!

  6. Ryan
    Reply

    I wish Maxon would allow for the display tag to show it’s opacity change in the scene (without having to render it to see the results)

  7. alestemple
    Reply

    Very Nice!
    Thanks for tutorial!

  8. Hoang Manh Duy
    Reply

    Very Nice!
    Thanks for tutorial!
    It’s very useful with me

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