Many of the examples in this section are based on expressions provided by Dan Ebberts. Dan Ebberts also has an excellent collection of example expressions and tutorials for learning how to work with expressions on his website: www.adobe.com/go/learn_ae_motionscripthome.

Colin Brailey provides a tutorial and example project that show how to use expressions to make one layer repel others in a natural-seeming manner: www.adobe.com/go/learn_ae_colinrepelexpression.

The AE Enhancers forum provides lots of examples and useful information about expressions, as well as scripts and animation presets. In this post, Paul Tuersley provides a tutorial and example project that show how to use expressions to animate several layers in a swarm: www.adobe.com/go/learn_ae_paulswarmexpression.

Rick Gerard provides an example that demonstrates rolling a square object along a floor so that the sides stayed in contact with the floor plane: www.adobe.com/go/learn_ae_ricksquarewheels.

• Example: Make a layer revolve in a circle
• Example: Rotate the hands of a clock
• Example: Position one layer between two others
• Example: Create a trail of images
• Example: Create a bulge between two layers
• Example: Fade a 3D layer’s opacity based on distance from camera
• Example: Make a 3D layer invisible if facing away from camera
• Example: Flip layer horizontally if facing away from camera
• Example: Animate scale at each layer-time marker
• Example: Start or stop wiggle at specific time
• Example: Match camera’s focal plane to another layer