@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
paint.setColor(color);
if (rad > getHeight() / 2 || rad > getWidth() / 2)
canvas.drawCircle(getWidth() / 2, getHeight() / 2, 0, paint);
else canvas.drawCircle(getWidth() / 2, getHeight() / 2, rad, paint);
}
