Pattern nodes give the ability to control the flow of your mix.
https://youtu.be/eDmxAWYPh4g?t=115
https://www.youtube.com/watch?v=BE58GqJp0Yk&list=PLv55WU7_uGHsuE41qui2Rv3LEQ1VFljri&index=4
On off activation
Should the pattern loop back to the start square. Disabling this will add an endpoint to the pattern.
Each tile can be toggled on and off giving you the control to turn off different branches of the pattern. Most of the time you’ll keep every one of these on, but in some cases, you may want to test without them on.
Clicking the arrows will increase the pattern length in the direction chosen. You can also click the X in order to remove the length
Showing how the pattern node switches between the 2 branches connected to it.