VirtualJoystick constructor

const VirtualJoystick({
  1. Key? key,
  2. required JoystickCallback onChanged,
  3. double radius = 60.0,
  4. double knobRadius = 24.0,
  5. double deadzone = 0.1,
  6. BoxDecoration? baseDecoration,
  7. BoxDecoration? knobDecoration,
})

Implementation

const VirtualJoystick({
  super.key,
  required this.onChanged,
  this.radius = 60.0,
  this.knobRadius = 24.0,
  this.deadzone = 0.1,
  this.baseDecoration,
  this.knobDecoration,
}) : assert(
       deadzone >= 0.0 && deadzone < 1.0,
       'deadzone must be in [0.0, 1.0)',
     );