dragProgressTo method
Implementation
void dragProgressTo(Offset offset) {
_draggingTracker += offset.dx.abs() * 0.15;
if (_draggingTracker < 1) {
return;
}
int min = currentlyAt - _draggingTracker.toInt();
int max = currentlyAt + _draggingTracker.toInt();
if (offset.dx < 0) {
if (min < 0) min = 0;
resetProgressTo(min);
} else {
if (max > _bars.length) max = _bars.length;
resetProgressTo(max);
}
_draggingTracker = 0;
// update();
}