onPanStart method
Implementation
void onPanStart(DragStartDetails _) {
_lockedAxis = _DragAxis.none;
_accumulated = Offset.zero;
_verticalStarted = false;
_sampleBuffer.clear();
}
void onPanStart(DragStartDetails _) {
_lockedAxis = _DragAxis.none;
_accumulated = Offset.zero;
_verticalStarted = false;
_sampleBuffer.clear();
}