Optional
extraOptional
highlightsuse GamepadDisplayJoystick.extraData with a custom DisplayGamepadConfig.joystickDisplayFunction instead, see the custom gamepads example/demo
Optional
xAxis index (as returned by the browser gamepad api) to track for the horizontal movement of the display joystick see standardGpadAxesMap
Optional
yAxis index (as returned by the browser gamepad api) to track for the vertical movement of the display joystick see standardGpadAxesMap
optional, for your own use