New Feature: Playlist Center! Pick a topic and let our playlists guide the way.

Start learning with our library of video tutorials taught by experts. Get started

2D Character Animation
Illustration by John Hersey

Understanding weight


From:

2D Character Animation

with George Maestri

Video: Understanding weight

Weight is very important in animation. All of your characters will have weight and every object in your scene will have weight. Now, the only way that we can weigh weight in an animated scene is by moving the object. How an object moves determines its weight. Another principle is that weight is relative to other objects, so sometimes we'll only know that one thing is heavier than the other by how they interact.
Expand all | Collapse all
  1. 2m 18s
    1. Introduction
      1m 2s
    2. Using the exercise files
      1m 16s
  2. 48m 21s
    1. Designing characters
      3m 22s
    2. Tracing characters
      4m 32s
    3. Creating joints that work
      3m 53s
    4. Working with outlines
      4m 0s
    5. Accessorizing your characters
      2m 21s
    6. Creating parts for replacement animation
      1m 41s
    7. Rigging hierarchies in After Effects
      5m 33s
    8. Rigging replacement animation in After Effects
      5m 52s
    9. Rigging with the Puppet tool in After Effects
      3m 16s
    10. Rigging Flash characters
      5m 50s
    11. Rigging replacement animation in Flash
      4m 25s
    12. Rigging with the Bone tool in Flash
      3m 36s
  3. 55m 29s
    1. The first law of motion
      3m 3s
    2. The second law of motion
      3m 45s
    3. The third law of motion
      3m 19s
    4. Using slow in and slow out
      5m 34s
    5. Arcs and smooth motion
      5m 4s
    6. Understanding overlap and follow-through
      5m 16s
    7. Animating overlap and follow-through
      5m 46s
    8. Understanding squash and stretch
      3m 10s
    9. Animating squash and stretch
      4m 40s
    10. Squashing and stretching characters
      5m 16s
    11. Understanding weight
      3m 27s
    12. Understanding anticipation
      4m 54s
    13. Animating anticipation and weight
      2m 15s
  4. 45m 50s
    1. Internal vs. external forces
      4m 45s
    2. Bringing characters to life
      4m 57s
    3. Animating blinks
      4m 37s
    4. Animating changes in eye direction
      2m 43s
    5. Animating head turns
      8m 1s
    6. Creating a strong line of action
      4m 16s
    7. Creating strong silhouettes
      2m 19s
    8. Pose-to-pose animation: Blocking
      4m 32s
    9. Pose-to-pose animation: Animating
      4m 21s
    10. Pose-to-pose animation: Finalizing
      5m 19s
  5. 46m 53s
    1. A walk in four poses
      2m 27s
    2. Motion of the head and body
      1m 32s
    3. Walk cycles and backgrounds
      1m 40s
    4. Skeleton motion and walking
      4m 2s
    5. Animating a walk: Contact position
      3m 0s
    6. Animating a walk: The feet
      9m 10s
    7. Animating a walk: The body
      5m 19s
    8. Animating a walk: The legs
      8m 21s
    9. Animating a walk: The upper body and arms
      3m 46s
    10. Animating a walk: The head
      2m 50s
    11. Animating a walk: Squash and stretch
      4m 46s
  6. 26m 52s
    1. A run in four poses
      4m 10s
    2. Animating a run: First pose
      4m 39s
    3. Animating a run: Second pose
      3m 45s
    4. Animating a run: Third pose
      3m 27s
    5. Animating a run: Fourth pose
      5m 1s
    6. Animating a run: Upper body
      5m 50s
  7. 37m 6s
    1. The basics of dialogue animation
      4m 35s
    2. Reading tracks and assigning mouth shapes
      5m 33s
    3. Phonemes and lip-syncing
      8m 36s
    4. Animating dialogue: Animating the body
      6m 27s
    5. Animating dialogue: Assigning mouth shapes
      4m 10s
    6. Animating dialogue: Finalizing
      7m 45s
  8. 1h 27m
    1. Animating a scene
      2m 0s
    2. Setting up the scene in After Effects
      3m 2s
    3. Animating the feet in After Effects
      10m 40s
    4. Animating the legs in After Effects
      4m 21s
    5. Animating the upper body in After Effects
      9m 44s
    6. Animating the mouth and blinks in After Effects
      7m 5s
    7. Setting up the scene in Flash
      4m 6s
    8. Animating the feet in Flash
      9m 0s
    9. Animating the body in Flash
      5m 23s
    10. Animating the legs in Flash
      7m 24s
    11. Animating the hands in Flash
      11m 54s
    12. Animating the mouth in Flash
      12m 26s
  9. 33s
    1. Goodbye
      33s

Watch this entire course now—plus get access to every course in the library. Each course includes high-quality videos taught by expert instructors.

Become a member
please wait ...
2D Character Animation
5h 50m Advanced Nov 13, 2009

Viewers: in countries Watching now:

All animators must learn to walk before they can run. In 2D Character Animation, industry expert George Maestri teaches the basic principles every animator must know to build a foundation for more complex work. These principles are relevant regardless of software used or animation style. George explains how good animation depends on a firm knowledge of the laws of motion, which inform the principles of animation. He teaches the basics of creating characters, squash and stretch, pose-to-pose animation, walking and running, track reading, and dialogue animation. He also shows how to use After Effects and Flash to apply the tools learned in the course. Exercise files accompany this course.

Topics include:
  • Creating character joints that really work
  • Building with the Puppet tool in After Effects
  • Understanding internal versus external forces in movement
  • Reading tracks and assigning mouth shapes for dialogue
  • Setting up a scene in both After Effects and Flash
Subjects:
3D + Animation Animation Character Animation
Author:
George Maestri

Understanding weight

Weight is very important in animation. All of your characters will have weight and every object in your scene will have weight. Now, the only way that we can weigh weight in an animated scene is by moving the object. How an object moves determines its weight. Another principle is that weight is relative to other objects, so sometimes we'll only know that one thing is heavier than the other by how they interact.

Let me show you an example. Here we have two objects on the end of a teeter-totter. Now, the only way we know how much they weigh is by putting things in motion. So, now we know that the blue ball is heavier than the green one. Now, the weight of the ball is really just relative. All we know is that one is heavier than the other. Here is another scene. Here we have an 8-ball and then kind of an unspecified ball.

We don't really know whether it's light or heavy. The only way we know is through how they interact. So, in this case the orange ball is lighter than the 8-ball. The only thing that tells us this is by how it moves. Here I have exact same setup with another animation. Now, in this case, you can see that the orange ball is a lot heavier than the 8-ball. The only difference between this scene and the one before it is how they move.

So motion determines weight and weight is always relative. One object can be heavier than the other but you really don't know whether they weigh a hundred pounds or thousand pounds. Okay, now let's get this into a Character Animation standpoint. Now, again how a character moves will determine the weight of an object. Here we have a very simple scene where he is about to pick up a bag. Now, how much does that bag weigh? Well, it's going to be determined by how the character picks up the bag.

In this case, the bag is relatively light because there is really not that much effort on the character. Here is another scene. Now, in this case I've animated it a little bit different. The only thing that's different is the motion. In this case, you can see that the bag is a lot heavier. So, you can see how I put a little bit of stretch in the bag just to give it a little bit more weight. Notice also how in this scene he is squashed a little bit. He actually bends his knees to get more force to pull up that bag.

This gives the illusion of weight. Now, here we have a weight that's very, very heavy. In fact, he can hardly pick it up. Again, he is bending his knees, he is squashing his body to get as much momentum as possible in order to lift that weight but he can't. Now, here is another situation. In this case, we've got a very, very light weight and the motion is very different. Now, with all of these scenes it all starts on the same frame.

The only difference is how the character moves. So again, motion determines weight. So be very cognizant of that when you start animating your scenes.

Find answers to the most frequently asked questions about 2D Character Animation.


Expand all | Collapse all
please wait ...
Q: In the chapter "Creating joints that work,” the author uses a circular point for the joints in the arm animation. Do circles need to be drawn in the joints while tracing the character, or there is another method that can be used?
A: It doesn't absolutely have to be a circle, as shown in the video. However, that method is show because it’s the easiest way to make sure the joints will rotate easily.
It’s a matter of personal preference, so use whatever method will work best for each character.
 
Share a link to this course

What are exercise files?

Exercise files are the same files the author uses in the course. Save time by downloading the author's files instead of setting up your own files, and learn by following along with the instructor.

Can I take this course without the exercise files?

Yes! If you decide you would like the exercise files later, you can upgrade to a premium account any time.

Become a member Download sample files See plans and pricing

Please wait... please wait ...
Upgrade to get access to exercise files.

Exercise files video

How to use exercise files.

Learn by watching, listening, and doing, Exercise files are the same files the author uses in the course, so you can download them and follow along Premium memberships include access to all exercise files in the library.
Upgrade now


Exercise files

Exercise files video

How to use exercise files.

For additional information on downloading and using exercise files, watch our instructional video or read the instructions in the FAQ.

This course includes free exercise files, so you can practice while you watch the course. To access all the exercise files in our library, become a Premium Member.

join now Upgrade now

Are you sure you want to mark all the videos in this course as unwatched?

This will not affect your course history, your reports, or your certificates of completion for this course.


Mark all as unwatched Cancel

Congratulations

You have completed 2D Character Animation.

Return to your organization's learning portal to continue training, or close this page.


OK
Become a member to add this course to a playlist

Join today and get unlimited access to the entire library of video courses—and create as many playlists as you like.

Get started

Already a member?

Become a member to like this course.

Join today and get unlimited access to the entire library of video courses.

Get started

Already a member?

Exercise files

Learn by watching, listening, and doing! Exercise files are the same files the author uses in the course, so you can download them and follow along. Exercise files are available with all Premium memberships. Learn more

Get started

Already a Premium member?

Exercise files video

How to use exercise files.

Ask a question

Thanks for contacting us.
You’ll hear from our Customer Service team within 24 hours.

Please enter the text shown below:

The classic layout automatically defaults to the latest Flash Player.

To choose a different player, hold the cursor over your name at the top right of any lynda.com page and choose Site preferencesfrom the dropdown menu.

Continue to classic layout Stay on new layout
Exercise files

Access exercise files from a button right under the course name.

Mark videos as unwatched

Remove icons showing you already watched videos if you want to start over.

Control your viewing experience

Make the video wide, narrow, full-screen, or pop the player out of the page into its own window.

Interactive transcripts

Click on text in the transcript to jump to that spot in the video. As the video plays, the relevant spot in the transcript will be highlighted.

Are you sure you want to delete this note?

No

Notes cannot be added for locked videos.

Thanks for signing up.

We’ll send you a confirmation email shortly.


Sign up and receive emails about lynda.com and our online training library:

Here’s our privacy policy with more details about how we handle your information.

Keep up with news, tips, and latest courses with emails from lynda.com.

Sign up and receive emails about lynda.com and our online training library:

Here’s our privacy policy with more details about how we handle your information.

   
submit Lightbox submit clicked
Terms and conditions of use

We've updated our terms and conditions (now called terms of service).Go
Review and accept our updated terms of service.