outerArcEnd property
Offset
outerArcEnd
when drawing a donut in one stroke, starting from the outer perimeter, this is the second point
Implementation
Offset get outerArcEnd {
double x2 = radiusEnd * cos(angleStart + swipe) + center.dx;
double y2 = radiusEnd * sin(angleStart + swipe) + center.dy;
return Offset(x2,y2);
}