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  1. 3D & Motion Graphics
  2. 3D Studio Max
Cgi

Creating a Giant Robot Walking in a Live Action Scene: Part 3

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Difficulty:IntermediateLength:ShortLanguages:
Final product image
What You'll Be Creating

1. Creating Leg Rigs

Step 1

Open 3ds Max. Open the file which was saved in the last part of the tutorial. 

Open 3ds Max
Open 3ds Max

Step 2

Go to Create > System and click on Bones.

Create  System
Create > System

Step 3

Draw the bones for the leg in the side viewport as shown in the following image.

Draw the bones
Draw the bones

Step 4

With the top bone selected, go to Animation > IK Solver > HI Solver

Animation  IK Solver  HI Solver
Animation > IK Solver > HI Solver

Step 5

Click on the last bone to create IK chain as shown in the following image.

IK chain
IK chain

Step 6

With entire rig and IK chain selected, drag these inside the left leg.

IK chain
IK chain

2. Creating Attachment Constraint for Foot

Step 1

With the first nut and bolt selected, go to Animation > Constraint >Attachment Constraint and then click on the left foot of the robot.

Animation  Constraint Attachment Constraint
Animation > Constraint >Attachment Constraint 

Step 2

Click on Set Position and try to set the position of the nut and bolt by dragging the mouse over the left foot. Once you get the correct position, turn off the Align To Surface option.

Align To Surface
Align To Surface

Step 3

A dialogue box will appear for the confirmation of animation. Just click on Yes.

confirmation of animation
confirmation of animation

Step 4

With the second nut and bolt selected, go to Animation > Constraint >Attachment Constraint and then click on the left foot of the robot.

Animation  Constraint Attachment Constraint
Animation > Constraint >Attachment Constraint

Step 5

Click on Set Position and try to set the position of the nut and bolt by dragging the mouse over the left foot. Once you get the correct position, turn off the Align To Surface option.

Set Position
Set Position

Step 6

A dialogue box will appear for the confirmation of animation. Just click on Yes.

confirmation of animation
confirmation of animation

Step 7

With the third nut and bolt selected, go to Animation > Constraint >Attachment Constraint and then click on the left foot of the robot.

Animation  Constraint Attachment Constraint
Animation > Constraint >Attachment Constraint 

Step 8

Click on Set Position and try to set the position of the nut and bolt by dragging the mouse over the left foot. Once you get the correct position, turn off the Align To Surface option.

Align To Surface option
Align To Surface option

Step 9

A dialogue box will appear for the confirmation of animation. Just click on Yes.

confirmation of animation
confirmation of animation

3. Creating Attachment Constraints for Hands

Step 1

With the first nut and bolt selected, go to Animation > Constraint >Attachment Constraint and then click on the left hand of the robot.

Animation  Constraint Attachment Constraint
Animation > Constraint >Attachment Constraint

Step 2

Click on Set Position and try to set the position of the nut and bolt by dragging the mouse over the left hand. Once you get the correct position, turn off the Align To Surface option.

Align To Surface
Align To Surface

Step 3

A dialogue box will appear for the confirmation of animation. Just click on Yes.

confirmation of animation
confirmation of animation

Step 4

Following the same way, create attachment constraints for the rest of the nut and bolts also.

create attachment constraints for the rest of the nut and bolts
create attachment constraints for the rest of the nut and bolts 

Step 4

Following the same way, create the rig for the right leg and create attachment constraints for the right hand and nuts and bolts as well.

create the rig for the right leg
create the rig for the right leg

4. Applying Skin Modifier

Step 1

With the left leg selected, go to Modifier list and select Skin modifier.

Modifier list
Modifier list

Step 2

Inside the Skin modifier tab, click on Add button. It opens the Select Bones window. Select all three bones and click on Select.

Select Bones window
Select Bones window

Step 3

Now you can see the three bones inside the list.

three bones inside the list
three bones inside the list

Step 4

Repeat the same process for the right side’s leg.

Repeat the same process
Repeat the same process 

5. Creating Attachment Constraint for Ankle

Step 1

With the ankle mesh selected, go to Animation > Constraint >Attachment Constraint and then click on the hand of the robot.

Animation  Constraint Attachment Constraint
Animation > Constraint >Attachment Constraint

Step 2

Click on Set Position and try to set the position of the nut and bolt by dragging the mouse over the left hand. Once you get the correct position, turn off the Align To Surface option.

Align To Surface
Align To Surface

Step 3

Follow the same process for the right side’s ankle mesh also.

Follow the same process
Follow the same process

5. Creating Dummies

Step 1

Go to Create > Helpers > Dummy and create two dummies for both feet as shown in the following image.

Create  Helpers  Dummy
Create > Helpers > Dummy

Step 2

With both IK chains selected, link these with their respective dummies as shown in the following image.

Link the dummies
Link the dummies

Step 3

Create three more dummies for the head and both shoulders as shown in the following image.

Create three more dummies
Create three more dummies

Step 4

With both shoulders dummies selected, link these to the head dummy as shown in the following image.

Link the shoulder dummies
Link the shoulder dummies

Step 5

Link the head of the robot to the head dummy.

Link the head of the robot to the head dummy
Link the head of the robot to the head dummy

Step 6

The rigging is completed now. You can check the rigging by moving the foot and head dummies. The robot is now ready for animation.

The rigging is completed
The rigging is completed

Conclusion

Creating rigs and constraints is an essential part of animation as it makes the animation process easy. In the next part of the tutorial, I will show you how to create animation of the robot.

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