The Twelve Principles of Animation

Also known as ease in and ease out

• arcs
• timing
  
• solid drawing
• slow in and slow out

Amount of frames between poses

• timing
  
• staging
• appeal
• anicipation

Animated characters need to have a unique personality and have a wide range of emotions.

• staging
• appeal
• solid drawing
  
• arcs

Animation can occur before an action.

• follow through & overlap
  
• anticipation
• squash & stretch
  
• exaggeration

Drawing the frames in sequence vs creating strong poses first & adding in between frames later

• straight ahead vs pose to pose
  
• timing
• secondary actions
  
• squash & stretch
  

Living flesh distorts during motion. Exaggerated deformations will emphasize motion and impact.

• slow in and slow out
  
• exaggeration
• squash and stretch
• appeal

Minor actions that occur due to a major action. 

• secondary actions
  
• exaggeration
• staging
• timing

The action that follows the main action; actions do not stop at the same time.

• slow in and slow out
  
• exaggeration
  
• anticipation
• follow through & overlap
  

The basis for most all natural motion; created using a spline curve.

• The basis for most all natural motion; created using a spline curve.
• arc
• staging
• solid drawing

The clear presentation of an idea.

• appeal
• arcs
• solid drawing
  
• staging