dma cell highlightable again

js/cells/DMACell.js

@@ -285,7 +285,10 @@ define(['underscore', 'three', 'threeModel', 'lattice', 'appState', 'globals'],
     DMACell.prototype.destroy = function(){
         if (this.object3D) {
             if (this.superCell) this.superCell.removeChildren(this.object3D);
-            else if (this.index) three.sceneRemove(this.object3D);
+            else if (this.index) {
+                three.sceneRemove(this.object3D);
+                if (!this.cells) three.removeCell(this.object3D.children[0]);//remove mesh as highlightable object
+            }
             this.object3D.myParent = null;
     //            this.object3D.dispose();
     //            geometry.dispose();

js/three/ThreeModel.js

@@ -69,6 +69,10 @@ define(['underscore', 'three'], function(_, THREE){
         cells.push(cell);
     }
 
+    function removeCell(cell){
+        cells.splice(cells.indexOf(cell), 1);
+    }
+
     function getCells(){
         return cells;
     }
@@ -130,6 +134,7 @@ define(['underscore', 'three'], function(_, THREE){
         camera: camera,
         getCells: getCells,
         addCell: addCell,
+        removeCell: removeCell,
         getBasePlane: getBasePlane,
         removeAllCells: removeAllCells
     }