Bouncing Layers Inside a Rectangle – After Effects

🎁 Free After Effects project file from the tutorial "Bouncing Layers Inside a Rectangle": https://youtu.be/sEvA5GnIcB4

This setup lets you animate multiple layers bouncing automatically inside a shape using only expressions – no keyframes, no plugins.

✅ Features:

• Automatic ping-pong animation

• Controlled by a Shape Layer and a Null

• Each duplicated layer has a unique direction

• Includes checkbox to start all layers from the same point or random positions

• 100% expression-based and fully editable

⚠️ Requirements:

This project requires After Effects 2025 or newer due to expression engine compatibility.

📂 Includes:

• Fully organized .AEP file

• Expression-ready layers and controls

• Null with Slider and Checkbox Controls

• Example animation to test and learn

🎥 Watch the full tutorial on YouTube to learn how it works and customize it!

Enjoy, and feel free to tag me if you use it in your projects!