//Used to process DecalDecorator changes.
private void OnSceneGUI()
{
//Selected instance.
Decal decal = (Decal)target;
//Will only calculate changes and process the new Decal
//on Repaint and MouseDrag events.
//MouseDrag will allow us to handle changes made to scene gizmos, while
//Repaint will allow us to handle changes made to the Inspector.
//If the user want the objects to be updated, let's do it.
bool hasChanged = decal.HasChanged();
if (!hasChanged && ((Event.current.type != EventType.MouseDrag && Event.current.type != EventType.Repaint) || Event.current.modifiers != 0))
{
return;
}
//On the editor, we'll use only MeshFilter.
decal.decalMode = DecalMode.MESH_FILTER;
if (hasChanged)
{
decal.ClearDecals();
if (decal.checkAutomatically)
{
GetAffectedObjects(decal);
}
decal.CalculateDecal();
GenerateUV(decal);
}
}