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How To Make Concave Objects Behave Correctly in Cinema 4D 59 Comments


In this short tutorial, I show you how to solve a common problem when using dynamics in Cinema 4D. Sometimes, when you try to use a concave object like a bowl, it won’t behave properly. The trick is to make sure you have the right collision shape selected on your dynamics tag. Usually the first two to try are “Static Mesh” and “Moving Mesh”. Be careful though, as these are the most graphically intensive shapes to render. If you are using basic objects, try to stick with automatic or one of the other shapes. Check out the tutorial for other setting examples.

Example of the Problem

Texture Kit Pro
City Kit

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59 Comments

  1. Mohsen

    Hi Nick! your the best designer. great tutorial and useful.

    Reply
  2. If you create the “bowl” out of a sphere primitive and then just switch the sphere to a hemisphere then the particles will go straight into the bowl without switching the body tags.

    Reply
  3. I had this problem with a marble run I just made. The marble kept bouncing off the track and rolled all spazz like but once switching the rails to static mesh the marble rolled smooth as it would in a real track set up. Good tip to point out.

    Reply
  4. Aleksandr

    thank you, for your tutorial. you very help me to learn cinema))) sorry mistakes. from Russia))) ??? ??? ???????!

    Reply
  5. Hahaha, cool… I found out about this a few data aggo, just played with the settings and found stativ mesh solving the problem. :) I know I can’t provestlige it, but I beat you this time, Gorilla! >:)

    Lol, thanks.

    Reply
  6. Gregg S

    Thanks NIck this is very useful, There was so many time I need to know this tricks

    Nice Tuts

    Reply
  7. Such a good explainer, even to people who could fix this problem independently should be awestruck by the the skill in which Nick explains things. Cellophane =P, Great explainer, great artist.

    Reply
  8. zhyravetsky

    Nick start using maya…cinema dinamics sucks….

    Reply
    • Cheebachops

      Maya is a highly technical software that has a steep learning curve.Even doing something simple in Maya takes time and effort, C4D is aimed at artists first and as such is laid out to provide them with great set of easy to use tools.The technical stuff in C4D is hidden away in python, xpresso and coffee for more advanced users when they need it.

      Reply
  9. Hi there, Nick! Another great tut. Thank you!

    But I have some question about mesh – I have no such option. I got static mesh and next one is “another mesh”.

    (v.12)

    Reply
    • MrButters

      I’ve got the same problem in 11.5. I want to make a whole in my big sphere so small sphere can fall out if it (a bingo machine), but I can’t get it to work

      Reply
      • Theodore

        Same problem here. I only have the static mesh option and if I try to take a screenshot of it the dropdown menu collapses. On Cinema 4D R13..

        Reply
    • Constantine – are you in v.12 studio? Sometimes seeing what you see helps define the problem and potential answer better. Could you post a screen cap?

      Reply
    • Thomas

      @MrButters As far as I know there’s no simple way of doing this but there is a tutorial (GSG if I’m not mistaken) about creating a chain that would probably do the trick.

      Reply
  10. Hey, nice video, can’t wait for that big tutorial, hehe!
    So, the moment I saw this, I remembered I have something like this, done in Cinema 4D R11.5 (which I still use), but haven’t come across with that slippery problem/bug… Is this R12-related? or maybe I did it differently..

    Anyhow, here’s the demo I’m talking about,
    http://vimeo.com/12952295
    it’s about 5 months since I made it.. so watch it, comment, and correct me if I’m wrong; it’s the only way of improvement!

    Thanks & Cheers.

    Reply
  11. Jordan Cain

    Should mention that the “Moving Mesh” option is only available in r12. Was a godsend to see that addition when it came out. I was getting mad at the BS fracture object workarounds in r11.5

    Reply
  12. hi nick great tutorial, can u tell xpresso and
    user data tutorials.i am fully confused that….

    Reply
  13. hey you’re still the best !
    thx for your explanations

    good job

    from France

    S3B

    Reply
  14. omg i was having that problem with the automatic collision shape JUST yesterday..
    i’ve seen this before, but completely forgot about it xD
    thanks for reminding!

    Reply
  15. eugentainment

    hi,

    nice solution.. a hav made this whit softbody.. works too..

    ps: sorry for my bad english :)

    Reply
  16. Hashem Ali Hussain

    Thank man can’t wait for your next tutorial

    Reply
  17. Thank you so much, you just solved some major issues and reopened some scrapped animations :)

    Reply
  18. kounichiwa

    any solution for this in r11.5 with using a particle emitter? as you know in r11.5 you always need a mograph object to get it done… tried the workaround with the fracture object but i still get alot of particles falling out : (

    Reply
    • kounichiwa

      i figuered out that if i make my particles larger and change the spline.interpolation.mode i get different results, still it doesnt solve the problem.

      Reply
  19. Totally nice! Great fast and straight on the carrot. I like this and can’t wait for the big rocket :)

    Reply
  20. shadowloader

    Hey guys

    is there anyone here that can help me or I can pay to make JPG image logo into 3D in Cinema 4D. I’m having hard time with this one. Email @ mumen2006@gmail.com

    Reply
    • My best advice is to check the C4D tutorial for modelling a character. That shows how to import a sketch as a template and build from there in C4D. It may not exactly apply to a 2D logo… but it is a start. If you created the logo yourself, then you can certainly make it 3D yourself in C4D. I think this is one of those great opportunities to learn. If you’re serious about C4D as a tool, I think the software and the help info included has pretty much everything you need. Just add some creative thinking :)

      Reply
  21. I might have a couple of times annoyed you ;-) , but deeply admire you. You have such a great potential to explain complicated things, and to emphasize the basic principles of the computer generated graphics, animation and photography. Thank you a million times SENEI!

    Reply
  22. Yo ! It is the first tutorial about a tip i already “solved” few months ago… I get better ? ;)
    Thank’s Nick.

    Reply
  23. Scott

    C4D R12 Broadcast does not have the “Moving Mesh” shape option for it’s limited Dynamics. You can make something static mesh. but it doesn’t move with the physics of the scene. Is there a work around for this for people using Broadcast versions of R12 and not Studio?

    Thanks Nick!

    Reply
    • Sebi

      Did you found a solution? I’m having the same problem right now… :/

      Reply
  24. I definitively have to spend more time on the dynamics. I’m currently dropping a grid of coins into a box, and when they hight they fall from is too high the first 4 levels of the grid fall through the box..
    Why could that be?

    Reply
    • …I probably shouldn’t drown the comments, but since I made some “progress” turning the coins to “moving mesh” they don’t fall through but the calculation makes it slow down to a halt..
      ..help?
      Thanks for the tip btw Nick!

      Reply
      • Moving mesh is the right move and it is a bit slow. Are you using instances for your coin clones? That will speed things up.

        Reply
  25. Jeff Cavanaugh

    You are like.. a friend… but on demand. You roole. Cheers from Santa Cruz

    Reply
  26. James

    This is super useful! Thanks for this tutorial and your friendly hand wave :)

    Reply
  27. Terry Ranson

    Sent an email a while back asking about tracking and a spot I was making that required red footage be adorned with a little character. Ended up doing it with my own solution of AE tracking and creative camera math. But here’s the final spot. You’re welcome to post if you like. (if you think it worthy). All lit with LightKit Pro.
    http://vimeo.com/terryranson/bagboy

    Reply
  28. Elmar

    WHOOP WHOOP that was a big problem when i followed your tutorial with that bowl and marbles THANK YOU

    Reply
  29. ojok bob

    Thanks alot Nick. no more problems with this. thanks.

    Reply
  30. OMG!! just want to let u know that u saved my life for my final project!!!!!!! love ya!!!!!!!!

    Reply

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Comment Rules

This is a friendly community. Please treat everyone with respect. We don't all have to agree, but we do have to be nice. Criticism is fine, but rude comments and name calling will be deleted. Use your real name and don't be spammy. Thanks for adding to the conversation.