Creates a handle material with its variants (selected and/or editable) and adds them to the internal material list. They can then be accessed with getMaterial and used in EditorSpatialGizmo.addHandles. Should not be overridden.
See Implementation
Creates a handle material with its variants (selected and/or editable) and adds them to the internal material list. They can then be accessed with getMaterial and used in EditorSpatialGizmo.addHandles. Should not be overridden.