/// <summary>
/// This function is called to change the type of work gizmo. This is
/// used in the 'Update' function in response to the user pressing the
/// W,E,R,T keys to switch between different gizmo types.
/// </summary>
private void SetWorkGizmoId(GizmoId gizmoId)
{
// If the specified gizmo id is the same as the current id, there is nothing left to do
if (gizmoId == _workGizmoId)
{
return;
}
// Start with a clean slate and disable all gizmos
_objectMoveGizmo.Gizmo.SetEnabled(false);
_objectRotationGizmo.Gizmo.SetEnabled(false);
_objectScaleGizmo.Gizmo.SetEnabled(false);
_objectUniversalGizmo.Gizmo.SetEnabled(false);
// At this point all gizmos are disabled. Now we need to check the gizmo id
// and adjust the '_workGizmo' variable.
_workGizmoId = gizmoId;
if (gizmoId == GizmoId.Move)
{
_workGizmo = _objectMoveGizmo;
}
else if (gizmoId == GizmoId.Rotate)
{
_workGizmo = _objectRotationGizmo;
}
else if (gizmoId == GizmoId.Scale)
{
_workGizmo = _objectScaleGizmo;
}
else if (gizmoId == GizmoId.Universal)
{
_workGizmo = _objectUniversalGizmo;
}
// If we have any selected objects, we need to make sure the work gizmo is enabled
if (_selectedObjects.Count != 0)
{
// Make sure the work gizmo is enabled. There is no need to check if the gizmo is already
// enabled. The 'SetEnabled' call will simply be ignored if that is the case.
_workGizmo.Gizmo.SetEnabled(true);
// When working with transform spaces and pivots, the gizmos need to know about the pivot object.
// This piece of information is necessary when the transform space is set to local because in that
// case the gizmo will have its rotation synchronized with the target objects rotation. But because
// there is more than one target object, we need to tell the gizmo which object to use. This is the
// role if the pivot object in this case. This pivot object is also useful when the transform pivot
// is set to 'ObjectMeshPivot' because it will be used to adjust the position of the gizmo.
_workGizmo.SetTargetPivotObject(_selectedObjects[_selectedObjects.Count - 1]);
}
}
void OnSelectionChanged()
{
if (_selectObjects.Count != 0)
{
_workGizmo.Gizmo.SetEnabled(true);
_workGizmo.SetTargetPivotObject(_selectObjects[_selectObjects.Count - 1]);
//_workGizmo.RefreshPositionAndRotation();
}
else
{
_objectMoveGizmo.Gizmo.SetEnabled(false);
_objectRotateionGizmo.Gizmo.SetEnabled(false);
_objectScaleGizmo.Gizmo.SetEnabled(false);
_objectUniversalGizmo.Gizmo.SetEnabled(false);
}
}
