/**
* Gets called everytime the scene GUI is redrawn. Only if the gameObject is slected in the inspector
*/
void OnSceneGUI()
{
//The RotationPivot component of the selected game object
RotationPivot rotationPivot = (RotationPivot)target;
//Return if rotationPivot has no target
if (rotationPivot.target == null)
{
return;
}
//Display a RotationHandle with the position and rotation of rotationPivot and store its value inside newRotation
Quaternion newRoation = Handles.RotationHandle(
rotationPivot.transform.rotation,
rotationPivot.transform.position
);
//Continue only if the new rotation differs from the current rotation
if (newRoation != rotationPivot.transform.rotation)
{
//Register a undo action both on the rotationPivot and its target
Undo.RecordObject(rotationPivot.transform, "Rotate by pivot");
Undo.RecordObject(rotationPivot.target, "Rotate by pivot");
//Apply the new rotation
rotationPivot.SetRotation(newRoation);
}
}
