I was playing around with sine and cosine If you make x and y the same it makes a circle. You might want to run the project in Turbowarp: https://turbowarp.org/843349033
I remember seeing this once at a museum.I̶ ̶f̶o̶r̶g̶o̶t̶ ̶w̶h̶a̶t̶ ̶i̶t̶ ̶w̶a̶s̶ ̶c̶a̶l̶l̶e̶d̶. It's called a Lissajous curve (@MonkeyBean2) Your welcome to remix it to make even cooler waves.