Simple GUI JoyStick using PySimpleGUI.

Make sure you have installed PySimpleGUI in your Python3.

To check, simply run python GUI_JoyStick.py
You will see this window;

The JoyStick Pad, shown as cyan circle, will stick to your mouse pointer on left click-down, and back to center on left click-up.
The coordinates at lower left side are written in (X [pxls], Y [pxls]) and (r [pxls], theta [deg]) formats.

To use coordinates in your own code, put GUI_JoyStick.py at the same directory located your code and do like following;

import GUI_JoyStick

js = GUI_JoyStick.JoyStick()

while True:
    js.update()
    print(js.xy_coordinates)
    print(js.rt_coordinates)
    
    if js.close:
        break

In this case, js.xy_coordinates has (X [pxls], Y [pxls]) data, and js.rt_coordinates has (r [pxls], theta [rad]) data, while GUI shows (X [pxls], Y [pxls]) and (r [pxls], theta [deg]).
It's possible to change circle size and pad size, on set js = GUI_JoyStick.JoyStick(r_max=[YourCircleSize], stick_size=[YourPadSize])

The origin to calculate coordinates are at the cross point of horizontal and vertical lines shown in UI.
The coordinates values are taken as shown in below;

This is an example to generate a cmd to control 2 wheels, left and right wheels, vehicle.
To do this, we need to tell directions and powers to apply for both wheels.
Copy GUI_JoyStick.py into ./example directory, and Run below to check how it works;

python ./example/ControlCrawlerMotor.py

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