: Most natural actions (like an arm swinging) follow a circular path rather than a straight line.
: Prepares the audience for a major action, such as a character crouching before they jump. The Fundamentals of Animation
: Determines how fast an action occurs and how heavy an object feels. : Most natural actions (like an arm swinging)
: Gives a sense of weight and flexibility to objects (e.g., a ball flattening as it hits the ground). The Fundamentals of Animation
: Gradual acceleration and deceleration to make motion look organic rather than mechanical. The fundamentals of animation in Web Design
Often based on the "12 Principles" established by Disney, these techniques ensure that movement feels natural and expressive: