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Principles of Animation - Week Two Lecture Notes (Squash and Stretch (Uses…
Principles of Animation - Week Two Lecture Notes
Timing
Newton's Laws
‘Things don’t move unless a force acts upon them’
The role of animation is to express the underlying
cause of movement
Two Types of Forces
External
Gravity, etc.
Internal
Muscles, etc.
Can be timed to Music
Gives
meaning to movement
Movement itself is no necessarily animation
Squash and Stretch
Critical to giving
fluidity and elasticity
Volume must be consistent
Gives the illusion of
weight and volume
Can also be used for
dialogue
and
facial expressions
Animation is not necessarily portraying realistic movement
Cartoony animation is a caricature of reality
When an object is
deformed by a force
Uses
Facial
Expressions/Emotion and Thought
Changing from squash to stretch and vice versa
Eg. Squash (listening) -> Stretch (realisation) -> Squash (anger)
Realistic Applications
Eg. Crouching before a jump
Can be used to
emphasise attitude
Hunched figure = Sad
Upright figure = Optimistic
Arcs
Most natural actions (ie. Not mechanical) follow an
arc or slightly circular path
Gives the movement a
natural feel and flow
Each
joint acts as a pivot point
Each pivot point will have its own arc