/**
* Notification that this sensor has just been clicked on to start a drag action.
*
* @param hitPoint Where the input device intersected the object sensor
* @param position Where the sensor origin is in local coordinates
*/
public void notifySensorDragStart(float[] hitPoint, float[] location) {
super.notifySensorDragStart(hitPoint, location);
dragRadius =
(float)
Math.sqrt(
hitPoint[0] * hitPoint[0] + hitPoint[1] * hitPoint[1] + hitPoint[2] * hitPoint[2]);
initialNormal[0] = hitPoint[0] / dragRadius;
initialNormal[1] = hitPoint[1] / dragRadius;
initialNormal[2] = hitPoint[2] / dragRadius;
}
