Drag mouse in circles on https://paveldogreat.github.io/WebGL-Fluid-Simulation/

mouse-circle-drag.sh

#!/bin/bash

echo "move mouse over window"
sleep 4

cx=3500   # center X
cy=1600   # center Y
r=300     # radius
step=7    # degrees per step
circles=4 # 

xdotool mousedown 1

for((i=1;i<=$circles;i++)); do
  for ((a=0; a<360; a+=step)); do
    
    x=$(awk -v cx=$cx -v r=$r -v a=$a 'BEGIN{printf "%d", cx + r*cos(a*3.14159/180)}')
    y=$(awk -v cy=$cy -v r=$r -v a=$a 'BEGIN{printf "%d", cy + r*sin(a*3.14159/180)}')

    xdotool mousemove $x $y
    # random click ~10% chance
    #if (( RANDOM % 10 == 0 )); then
    #    xdotool click 1
    #fi

    sleep 0.01
  done
done

xdotool mouseup 1