change nodeDeleted() to voxelDeleted() to improve readability

interface/src/VoxelSystem.cpp

@@ -98,7 +98,7 @@ VoxelSystem::VoxelSystem(float treeScale, int maxVoxels)
 
 }
 
-void VoxelSystem::nodeDeleted(VoxelNode* node) {
+void VoxelSystem::voxelDeleted(VoxelNode* node) {
     if (node->isKnownBufferIndex() && (node->getVoxelSystem() == this)) {
         freeBufferIndex(node->getBufferIndex());
     }

interface/src/VoxelSystem.h

@@ -109,7 +109,7 @@ public:
     CoverageMapV2 myCoverageMapV2;
     CoverageMap   myCoverageMap;
 
-    virtual void nodeDeleted(VoxelNode* node);
+    virtual void voxelDeleted(VoxelNode* node);
     virtual void nodeAdded(Node* node);
     virtual void nodeKilled(Node* node);
     

libraries/voxels/src/VoxelNode.cpp

@@ -420,6 +420,6 @@ void VoxelNode::removeDeleteHook(VoxelNodeDeleteHook* hook) {
 
 void VoxelNode::notifyDeleteHooks() {
     for (int i = 0; i < _hooks.size(); i++) {
-        _hooks[i]->nodeDeleted(this);
+        _hooks[i]->voxelDeleted(this);
     }
 }

libraries/voxels/src/VoxelNode.h

@@ -25,7 +25,7 @@ typedef unsigned char rgbColor[3];
 // Callers who want delete hook callbacks should implement this class
 class VoxelNodeDeleteHook {
 public:
-    virtual void nodeDeleted(VoxelNode* node) = 0;
+    virtual void voxelDeleted(VoxelNode* node) = 0;
 };
 
 class VoxelNode {

libraries/voxels/src/VoxelNodeBag.cpp

@@ -127,7 +127,7 @@ void VoxelNodeBag::remove(VoxelNode* node) {
 }
 
 
-void VoxelNodeBag::nodeDeleted(VoxelNode* node) {
+void VoxelNodeBag::voxelDeleted(VoxelNode* node) {
     remove(node); // note: remove can safely handle nodes that aren't in it, so we don't need to check contains()
 }
 

libraries/voxels/src/VoxelNodeBag.h

@@ -34,7 +34,7 @@ public:
 
     static void voxelNodeDeleteHook(VoxelNode* node, void* extraData);
 
-    virtual void nodeDeleted(VoxelNode* node);
+    virtual void voxelDeleted(VoxelNode* node);
 
 private: