Gizmos
Unselected Gizmo
Unselected Gizmo it just "D" helps separate decals from another objects. You can use you own image, just rewrite file DecalIcon in folder Assets/Gizmos .
Selected Gizmo
Selected Gizmo it white wire cube bounds decal volume and white wire arrow. You can override this function :
public static void DrawDecalToolGizmo(DecalType _decalType, GizmoType gizmoType)
in script DecalTypeEditor , for make your own appropriate gizmo.
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