When you write a program, you can save it on your hard disk. You can open the saved program later and continue working on it.
Discover gray scale shades and RGB colors, then animate the background color and change the frame rate.
You can make changes to the code below. Then
Questions and comments are welcome! :) But please try to stay close to the topic of this episode. Use the Processing forums for help with your Processing projects (or hire me for help ;-)