reset method
dynamic
reset()
Implementation
reset() {
_state = STATE.NONE;
_keyState = STATE.NONE;
scope.target.copy(scope.target0);
scope.object.position.copy(scope.position0);
scope.object.up.copy(scope.up0);
scope.object.zoom = scope.zoom0;
scope.object.updateProjectionMatrix();
_eye.subVectors(scope.object.position, scope.target);
scope.object.lookAt(scope.target);
scope.dispatchEvent(_changeEvent);
lastPosition.copy(scope.object.position);
lastZoom = scope.object.zoom;
}