Using Phone to interact. Tap the screen first and then star interaction
https://editor.p5js.org/LunaChen/sketches/4UVEb4KHN
Use mouse to interact. on laptop:
https://editor.p5js.org/LunaChen/full/8trZFR4wB
Experiment how X and Y axis change the particels force way.
with Mousepressed no direction change: