onPinchStart method
dynamic
onPinchStart()
Implementation
onPinchStart() {
if (enabled && enableZoom) {
dispatchEvent(_startEvent);
updateTbState(State2.scale, true);
_startFingerDistance = calculatePointersDistance(_touchCurrent[0], _touchCurrent[1]);
_currentFingerDistance = _startFingerDistance;
activateGizmos(false);
}
}