Fix UnitPreview

samples/core/editors/unit_preview/unit_preview.lua

@@ -32,8 +32,8 @@ function UnitPreview:update(dt)
 			local pos = Vector3(radius, radius, -radius) * 2
 			local camera_pos = Matrix4x4.translation(tm) + pos
 			local target_pos = Matrix4x4.translation(tm)
-			SceneGraph.set_local_rotation(self._sg, camera_unit, Quaternion.look(Vector3.normalize(target_pos - camera_pos)))
-			SceneGraph.set_local_position(self._sg, camera_unit, camera_pos)
+			SceneGraph.set_local_rotation(self._sg, tr, Quaternion.look(Vector3.normalize(target_pos - camera_pos)))
+			SceneGraph.set_local_position(self._sg, tr, camera_pos)
 		end
 	end