The Principles of Animation, Secondary Action
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Secondary Action


A secondary action is an action that results directly from another action. Secondary actions are important in heightening interest and adding a realistic complexity to the animation.


The secondary action of Luxo Jr's forward motion is the rippling of his power cord.

Conflict
If a secondary action conflicts with, becomes more interesting, or dominates in any way, it is either the wrong choice or is staged improperly.[2]

Facial Animation Dangers
Generally, in facial animation, the movement is a secondary action, subordinate to the bodies movement. The danger with facial animation isn't that it will dominate the scene, but that it will not be seen. The change in expression should happen before or after a move, changes in the middle of a major move will mostly likely go unnoticed.[2]


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