Jump to content
  • “Great art picks up where nature ends.”  Marc Chagall 

Sign in to follow this  
jed

Looney Gears puzzle toy

Recommended Posts

I like to re-create crazy things I see online in C4D eg this prime number gear puzzle 

 

 

looney gears.c4d

 

here's a more conventional epicyclic gear model

epicyclic.c4d

 

Share this post


Link to post
Share on other sites

just had a look at the Xpresso script

impressive, but you lost me there.... :)

Share this post


Link to post
Share on other sites
  • Topic Author
  • I can give you an explanation of the looney gears XPresso if you want -

     

    The 1st part generates rotation by addition (actually subtraction because I wanted it to go the opposite way). I get the rotation by adding a small amount to a variable once every frame. The amount added is effectively the speed. This method allows speed up + down smoothly (and backwards). The variable value is user data, and must be reset @ F0.

     

    If you use the usual multiplication method to get rotation

     

    angle = seconds * constant

     

    if you try to vary the speed by changing the constant, stuff jumps around, goes backwards etc. The looney gears needs fine control to get the numbers lined up ::):

     

    For the cog math, I assumed the outer ring was a regular cog with the same teeth, so just get the different cogs rotation by teeth ratio.

     

    The regular epicyclic is the same, but a bit more complex because the planets have local rotation 'inside' the carrier rotation.

     

    Here's Mr Looney Gears himself on YouTube

     

     

    Share this post


    Link to post
    Share on other sites

    let's see I try to get this

    actually what came to my mind when I seen this is the Maya Calendar (just a thought) :)

    Share this post


    Link to post
    Share on other sites

    Join the conversation

    You can post now and register later. If you have an account, sign in now to post with your account.
    Note: Your post will require moderator approval before it will be visible.

    Guest
    Reply to this topic...

    ×   Pasted as rich text.   Paste as plain text instead

      Only 75 emoji are allowed.

    ×   Your link has been automatically embedded.   Display as a link instead

    ×   Your previous content has been restored.   Clear editor

    ×   You cannot paste images directly. Upload or insert images from URL.

    Sign in to follow this  

    • BLOGS / NEWS & SPECIAL ANNOUNCEMENTS

    About Us

    C4D Cafe is the largest Cinema 4D community. We provide facilities for discussion, showcasing and learning our favourite software.
    Register now to gain access to all of our features. Once registered and logged in, you will be able to create topics, post replies to existing threads, watch tutorials directly from our video gallery,  get your own private messenger, post and upload images, manage your profile and much more. If you need to find solution to your problem or otherwise ask for help, C4D Cafe is the right place to be for learning 3D.  :cowboypistol:

    ×
    ×
    • Create New...