added levels, started to use graphql-query-builder

src/components/objects/Project.vue

@@ -3,7 +3,7 @@
     <object3d ref="block3d" name="Project" :obj="walls3dObj" :position="wallsPos" />
     <object3d ref="top" :obj="top3dObj" :position="topPos" />
     <object3d ref="floor" :obj="floor3dObj" :position="floorPos" />
-    <!-- <object3d ref="level" :obj="level_mesh" :position="level_position" /> -->
+    <object3d ref="levels" :obj="levels3dObj" :position="levelsPos" />
     <mesh ref="label3d" name="Label" :position="label_position">
       <geometry type="Plane" :args="[label_size.x, label_size.y]" />
       <material type="MeshLambert" :options="label_opts">
@@ -100,6 +100,8 @@ export default {
       topColor: state => state.topColor,
       floor3dObj: state => state.floor3dObj,
       floorPos: state => state.floorPos,
+      levels3dObj: state => state.levels3dObj,
+      levelsPos: state => state.levelsPos,
       contents: state => state.contents
     }),
     label_texture_opts () {