Principles of Animation by John Lasseter

Click here for John Lasseter's "Principles of Animation" paper

Squash and Stretch - Defining the rigidity & mass of an object by distorting its shape during an action.

Timing - Spacing actions to define the weight & size of objects & the personality of characters.

Anticipation - The preparation for an action.

Staging - Presenting an idea so that it is unmistakably clear.

Follow Through & Overlapping Action - The termination of an action & establishing its relationship to the next action.

Straight Ahead Action & Pose-To-Pose Action - The two contrasting approaches to the creation of movement.

Slow In and Out - The spacing of in-between frames to achieve subtlety of timing & movements.

Arcs - The visual path of action for natural movement.

Exaggeration - Accentuating the essence of an idea via the design & the action.

Secondary Action - The Action of an object resulting from another action.

Appeal - Creating a design or an action that the audience enjoys watching.
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