Wednesday, May 23, 2012

CLASS 4: Modeling and Animation II: Animation Principles, Part 3 - The famous Flour Sack

The Flour Sack: Disney's pioneering
device for learning personality and
The world-famous half-filled flour sack has been used by countless animators to learn animation principles. The deceptively simple shape has many possibilities for creating personality and weight.

More Animation Principles:
  • Anticipation
  • Follow through and overlapping action
  • Secondary action
  • Appeal
The key to making nice flour sack animation is really solid drawing. We'll study some tricks for drawing 3-dimensionally and test our skills by creating drawings of the flour sack in 4 distinct moods. For example:


Assignment 2: Flour Sack Jump in Flash
Animate the flour sack doing a simple jump. Show as many of the principles of animation as you can. All the Principles of Animation should be in this assignment, especially nuts-and-bolts tools like Anticipation, Action, Reaction, Weight, Timing, Arcs, and even more esoteric ones like Appeal.
Spend your time on the mechanics of the jump. If possible, add a little personality. Think about how heavy the sack of flour would be. Show the effort required to move that weight. Try to keep the volumes consistent and use timing, spacing, and solid drawing to keep the four sack looking heavy in both his movements and posing.

Create a 640 x 480 QT with H.264 compression. Create a simple BG - just a ground line will do. You can add other props such as a wall but keep it very simple.

Assigned: May 23rd
Total Value: 15%
5% Posing Due: May 23rd end of day
10% Finished Due: June 3rd end of day

Please upload to our group folders/albums called "Flour Sack" on both DropBox and Vimeo before the start of class. Please do NOT place your files inside a folder. Watch your naming conventions.
File formats:

Exemplary: Strong apparent weight, snappy timing and fluid motion with a strong grasp of all animation principles including secondary/overlapping action.
Excellent: Apparent weight and almost entirely fluid motion with a good grasp of nearly all animation principles including a good attempt at secondary action.
Acceptable: Mostly apparent weight. Motion is mostly fluid with minor errors or missing animation principles. Some attempt at secondary action.
Not Acceptable: Not convincingly heavy or not fluid with quite a few glitches or missing animation principles. no apparent secondary action.

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