paint method

Implementation

@override
paint(Canvas canvas, Paint? paint, Size size) {
  var circleSpacing = 4;
  var width = size.width;
  var height = size.height;
  paint!.color = paint.color.withAlpha(mAlpha);
  canvas.drawCircle(Offset(width / 2, height / 2),
      (width / 2 - circleSpacing) * mScale, paint);
}