Learn creative coding writing simple programs

16. Create an animated rainbow

We draw circles in the bottom part of the screen. Half of the circle is outside the screen, so it looks like half circle. We draw them using different sizes, colors and line weights, so we get a colorful rainbow effect.


Code editor

You can make changes to the code below. Then

Questions and comments

Try to stay close to the topic of this episode. Use the Processing forums for help with unrelated Processing projects (or hire me for help ;-)

To indicate that a word in your comment is code, use the `backtick`. Example
Do `float` and `int` smell similar?
To highlight code blocks, surround it with ``` code-fences ``` like this:
``` void setup() { size(600, 600); } ```