Let's breathe some life into our ball using a key animation principle: squash and stretch.

This video [2:47] features Rob Jensen, an animator for Pixar Films, discusses how animation is created by drawings and computers.

This video [2:17] starts by showing you some techniques used in hand-drawn animation. And then we'll see how those translate into the computer. Let's first animate a ball using a technique called straight ahead animation.

In this video [1:40] let's breathe some life into our ball using a key animation principle: squash and stretch to control how the ball is animated.

This video [2:11] focuses on getting to know Rob Jensen, an animator at Pixar Films. He discusses how he learned computer animations and the math behind them.