Script: Cartoony Wheel Rig v1

July 24, 2012 MEL, Portfolio, Rigging 6 comments

Script: Cartoony Wheel Rig v1

When rigging vehicles you’ll usually have to deal with at least two wheels, and (especially if you’re going cartoony) you’re going to waste a lot of time if you’re rigging them manually, one by one. So I decided to write a script for this, the script is supposed to do all of the work automatically, and it should work with wheels regardless of size and position.

The requirements I set for the rig was that it had to be clean, fast and flexible. It should also be animationfriendly, so the controllers have to be logical and easy to select. With this current version of the rig I’m not too happy about the flexibility in particular, it works, but it can’t be pushed as far as I want it to. I’m going back to the drawing board.

Here’s the script in action:

The current version is basicly just a lattice with some clusters, and a nurbs-circle with all of the extra-controllers connected to the circle through MotionPath-nodes. As for the main controllers, I have a contact-controller for floor contact, two controllers for the rolling of the wheel, and one main-controller for translation/rotation/scaling.

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Script: Delete Flat Keys

July 19, 2012 Animation, General Tips, MEL 4 comments

Script: Delete Flat Keys

When you’re working with animation you eventually end up with a lot of extra keys, by that I mean flat keys, keys we don’t need.

See the image below, I’ve marked the flat keys with red dots:

 

With the script you just select all of the objects that you want to clean the keyframes on, then you define the angle threshold, and the script will go through and delete all of the keys with a lower angle threshold than specified.

When ran on the example above, we end up with this:

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Script: Hide/Display Local Axis

July 14, 2012 General Tips, MEL, Rigging 9 comments

Script: Hide/Display Local Axis

It can be a hassle to turn on/off the local axis of multiple objects simultaneously, the reason for this is that by default there’s no on and off option on “Display > Local Rotation Axis“, it’s just a toggle. This means that if you select a bunch of objects and toggle the local axis, the objects that already have the local axis visible will be hidden, while the rest of the selection’s local handles will be visible (vice versa). This can be frustrating at times, especially if you have joints/objects that have the same position and orientation.

 

This is a really simple script, it basicly just adds the flag that specifies on/off to the command that toggle’s the local axis. I’ve also added an option for it to go through the entire hierarchy, definitely a timesaver.

 

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Script: Find Duplicate Names

July 14, 2012 General Tips, MEL, Rigging 9 comments

Script: Find Duplicate Names

When dealing with rigs you often end up having a ton of nodes, and it’s easy to end up having several objects with the same name. You may think that Maya automatically renames those objects for you, and it does, but only if the objects are in the same hierarchy. However, if you have the objects in separate hierarchies they can share the same name.

This isn’t really a problem in itself as Maya will just use longnames to distinguish them apart, but you may run into problems if you’re using scripts that doesn’t take longnames into consideration.

Example:

In the image above we have two objects named “pCube”. So what Maya does to distinguish them apart is to look at their parent, if the parent’s name is unique it will use that in the longname when dealing the objects. So if I were to select the pCube in root2, Maya would read it as “grp2|pcube”, and if both of the mid-groups was named “grp2” then maya would read the pCube as “root2|grp2|pCube”.

 

I’ve made a script that finds (and renames) all of the objects in the scene sharing the same shortname, the download link is at the bottom 🙂

 

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