JoystickDirectionalEvent constructor
      
      JoystickDirectionalEvent({ 
    
    
- required JoystickMoveDirectional directional,
- double intensity = 0.0,
- double radAngle = 0.0,
Implementation
JoystickDirectionalEvent({
  required this.directional,
  this.intensity = 0.0,
  this.radAngle = 0.0,
});