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Constraining the wheel geometry connected to the robot's hip
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Delano Athias

Pluralsight

Delano Athias
In this lesson, we will connect the wheel meshes tied to the robot's hip. So next what we'll do is run our GLDT tool, our locator tool, in order to create a control for our wheel root. Great. Now as far as its size is concerned, I'd say this is a pretty decent size-- about 100. Feel free to adjust it if you would like. We then want to make sure that our root is connected to this locator control. So the locator's still selected. We can go in and grab our root and do a parent constrain. All right. So we can now test this out. Everything's working just fine. Great. Let's say we do a little bit of cleanup work in our outliner before we connect the wheels. So we have one group outside of our hierarchy and we also have our joints. So let's go ahead and take care of that. We know the joints will be placed under our joints group, and our locator, its group will lie underneath controls. All righty. Now the next step is going to be to use the Object Offset tool to connect our wheels. So let's leave the outliner open. We'll grab a wheel, get to its group, and frame it. Now it's just a matter of grabbing our Joint object, control clicking the group, and running our [INAUDIBLE] tool. Let's go ahead and set the size to about a value of 60 or so. Let's see if that will work for us. I think that's easy to go in and grab. OK, great. Let's go ahead and take care of the next wheel. So here's the group for that. So again, we go in, grab our joint, grab the group, and run our Object Offset tool. And again, we'll go ahead and increase the size to something that will work for us. And again, I think 60 will work just fine. All right, so our wheels are connected. If we were to grab our locator, everything should follow. Great. Next, what we'll do is go ahead and take care of our wheel rotation. So we're going to connect the joint, rotate X, into spin A and spin B. So this is very straightforward. We'll go to our Connection Editor and load up our hip control. We could always set the left display to Show Non-Cable Off. And now for our right display, we can grab both joints and load them in. All right, let's go ahead and connect spin A to hip wheel A's rotate X and spin B into the rotate X channel of hip wheel B. Now at this point, it's a good idea to just test things out, so we'll go ahead and check our spin channels. Everything's working just fine. All righty. So that leaves us with one more task, and that is how to connect our hip wheel rig to the rest of our skeleton. Now we could always use the Object Offset tool. And we're actually going to work with that, but then we'll want to dynamically parent the hips, or the hip wheels, to our robot's hips in order for them to eventually separate when the robot transforms. So let's say we go ahead and dedicate the next lesson to learning how we can dynamically parent more efficiently.
In this tutorial, we will learn the methods that were used to rig the transforming robot. Throughout these lessons, we will learn the tools and techniques used in the setup process of both our robot and truck. The goal is to break this complex idea down into a simple, and manageable form. We'll cover the rigging process in its entirety, and along this journey, we'll be introduced to several tools that will help make this all come together efficiently. By the end of the course, you'll have the set of skills needed to rig your own transforming robot.
Partner
Partner
Introduction and project overview
1

Introduction and project overview

 
00:49
Starting on the robot's rig
2

Starting on the robot's rig

 
08:10
Rigging the robot's left leg
3

Rigging the robot's left leg

 
13:49
Completing the left leg's base rig
4

Completing the left leg's base rig

 
15:30
Creating a hip joint and mirroing the left leg
5

Creating a hip joint and mirroing the left leg

 
05:38
Starting the foot roll rig
6

Starting the foot roll rig

 
09:51
Connecting the reverse foot rig
7

Connecting the reverse foot rig

 
10:26
Extra joints for toe bend control
8

Extra joints for toe bend control

 
04:56
Connecting the leg and hip meshs
9

Connecting the leg and hip meshs

 
13:59
Primary leg controls
10

Primary leg controls

 
08:54
Organizing the rig
11

Organizing the rig

 
04:42
Starting on an animator-friendly foot roll rig
12

Starting on an animator-friendly foot roll rig

 
07:34
Wiring the foot roll's plusMinusAverage nodes
13

Wiring the foot roll's plusMinusAverage nodes

 
09:26
Finishing the foot roll rig
14

Finishing the foot roll rig

 
06:21
Toe bend controls
15

Toe bend controls

 
10:51
Knee controls
16

Knee controls

 
07:54
Cleaning up the leg rig
17

Cleaning up the leg rig

 
07:45
Rigging the wheels connected to the robot's legs
18

Rigging the wheels connected to the robot's legs

 
07:37
Finalizing the leg wheels
19

Finalizing the leg wheels

 
10:53
Creating a hip control
20

Creating a hip control

 
07:13
Rigging the wheels connected to the robot's hip
21

Rigging the wheels connected to the robot's hip

 
06:48
Constraining the wheel geometry connected to the robot's hip
22

Constraining the wheel geometry connected to the robot's hip

 
04:23
Dynamically parenting the hip wheels
23

Dynamically parenting the hip wheels

 
10:03
Chest control
24

Chest control

 
08:21
Completing the chest rig
25

Completing the chest rig

 
10:15
Setting up the wheels connected to the back
26

Setting up the wheels connected to the back

 
06:13
Custom attributes for the back wheels and connecting the back rails
27

Custom attributes for the back wheels and connecting the back rails

 
06:30
Dynamically parenting the back wheels
28

Dynamically parenting the back wheels

 
03:00
Constraining the spine geometry
29

Constraining the spine geometry

 
05:45
Creating a center-of-gravity control
30

Creating a center-of-gravity control

 
03:36
Rigging the neck's base plates
31

Rigging the neck's base plates

 
06:12
Setting up the robot's main neck plates
32

Setting up the robot's main neck plates

 
06:48
Re-orienting the neck joints
33

Re-orienting the neck joints

 
01:56
Rigging the neck with inverse kinematics
34

Rigging the neck with inverse kinematics

 
07:36
Optimizing the scene
35

Optimizing the scene

 
02:03
Rigging the robot's head
36

Rigging the robot's head

 
08:49
Custom attribute for the neck's base plates
37

Custom attribute for the neck's base plates

 
02:41
Starting on the arms
38

Starting on the arms

 
07:27
Setting up the elbows
39

Setting up the elbows

 
09:07
Adding arm controls
40

Adding arm controls

 
05:08
Constraining the arm groups and connect curves for the elbows
41

Constraining the arm groups and connect curves for the elbows

 
10:14
Dynamically parenting the arms
42

Dynamically parenting the arms

 
02:27
Rigging the fingers
43

Rigging the fingers

 
08:01
Connecting the fingers
44

Connecting the fingers

 
03:11
Creating finger controls
45

Creating finger controls

 
05:38
Wrapping up the hands
46

Wrapping up the hands

 
12:29
Starting to rig the arm pistons.
47

Starting to rig the arm pistons.

 
06:39
Finalizing the pistons
48

Finalizing the pistons

 
12:20
Finishing the robot's rig
49

Finishing the robot's rig

 
08:00
Beginning the truck's rig
50

Beginning the truck's rig

 
03:14
Rigging the truck's wheels
51

Rigging the truck's wheels

 
04:13
Automating the wheel rotation of the truck
52

Automating the wheel rotation of the truck

 
07:14
Finishing the wheel rotation expression
53

Finishing the wheel rotation expression

 
02:53
Rigging the truck's body and controlling the front tires
54

Rigging the truck's body and controlling the front tires

 
05:14
A technique for simulating tire pressure
55

A technique for simulating tire pressure

 
03:21
Wrapping up the tires
56

Wrapping up the tires

 
08:40
Finalizing the transforming robot's rig
57

Finalizing the transforming robot's rig

 
07:08