diff --git a/assignment-client/src/models/ModelServer.cpp b/assignment-client/src/models/ModelServer.cpp
index 07359f001a..ae6ffaf969 100644
--- a/assignment-client/src/models/ModelServer.cpp
+++ b/assignment-client/src/models/ModelServer.cpp
@@ -86,7 +86,7 @@ bool ModelServer::hasSpecialPacketToSend(const SharedNodePointer& node) {
     return shouldSendDeletedModels;
 }
 
-int ModelServer::sendSpecialPacket(OctreeQueryNode* queryNode, const SharedNodePointer& node) {
+int ModelServer::sendSpecialPacket(const SharedNodePointer& node, OctreeQueryNode* queryNode, int& packetsSent) {
     unsigned char outputBuffer[MAX_PACKET_SIZE];
     size_t packetLength = 0;
 
@@ -99,6 +99,7 @@ int ModelServer::sendSpecialPacket(OctreeQueryNode* queryNode, const SharedNodeP
         bool hasMoreToSend = true;
 
         // TODO: is it possible to send too many of these packets? what if you deleted 1,000,000 models?
+        packetsSent = 0;
         while (hasMoreToSend) {
             hasMoreToSend = tree->encodeModelsDeletedSince(queryNode->getSequenceNumber(), deletedModelsSentAt,
                                                 outputBuffer, MAX_PACKET_SIZE, packetLength);
@@ -107,6 +108,7 @@ int ModelServer::sendSpecialPacket(OctreeQueryNode* queryNode, const SharedNodeP
 
             NodeList::getInstance()->writeDatagram((char*) outputBuffer, packetLength, SharedNodePointer(node));
             queryNode->packetSent(outputBuffer, packetLength);
+            packetsSent++;
         }
 
         nodeData->setLastDeletedModelsSentAt(deletePacketSentAt);
diff --git a/assignment-client/src/models/ModelServer.h b/assignment-client/src/models/ModelServer.h
index 7e7f239f2a..38acc7f1e1 100644
--- a/assignment-client/src/models/ModelServer.h
+++ b/assignment-client/src/models/ModelServer.h
@@ -37,7 +37,7 @@ public:
     // subclass may implement these method
     virtual void beforeRun();
     virtual bool hasSpecialPacketToSend(const SharedNodePointer& node);
-    virtual int sendSpecialPacket(OctreeQueryNode* queryNode, const SharedNodePointer& node);
+    virtual int sendSpecialPacket(const SharedNodePointer& node, OctreeQueryNode* queryNode, int& packetsSent);
 
     virtual void modelCreated(const ModelItem& newModel, const SharedNodePointer& senderNode);
 
diff --git a/assignment-client/src/octree/OctreeSendThread.cpp b/assignment-client/src/octree/OctreeSendThread.cpp
index 30e3011ae8..cb149b1d96 100644
--- a/assignment-client/src/octree/OctreeSendThread.cpp
+++ b/assignment-client/src/octree/OctreeSendThread.cpp
@@ -85,7 +85,6 @@ bool OctreeSendThread::process() {
             if (nodeData && !nodeData->isShuttingDown()) {
                 bool viewFrustumChanged = nodeData->updateCurrentViewFrustum();
                 packetDistributor(nodeData, viewFrustumChanged);
-                resendNackedPackets(nodeData);
             }
         }
     }
@@ -281,26 +280,6 @@ int OctreeSendThread::handlePacketSend(OctreeQueryNode* nodeData, int& trueBytes
     return packetsSent;
 }
 
-int OctreeSendThread::resendNackedPackets(OctreeQueryNode* nodeData) {
-
-    const int MAX_PACKETS_RESEND = 10;
-    int packetsSent = 0;
-
-    const QByteArray* packet;
-    while (nodeData->hasNextNackedPacket() && packetsSent < MAX_PACKETS_RESEND) {
-        packet = nodeData->getNextNackedPacket();
-        if (packet) {
-            NodeList::getInstance()->writeDatagram(*packet, _node);
-            packetsSent++;
-
-            _totalBytes += packet->size();
-            _totalPackets++;
-            _totalWastedBytes += MAX_PACKET_SIZE - packet->size();
-        }
-    }
-    return packetsSent;
-}
-
 /// Version of voxel distributor that sends the deepest LOD level at once
 int OctreeSendThread::packetDistributor(OctreeQueryNode* nodeData, bool viewFrustumChanged) {
         
@@ -311,6 +290,10 @@ int OctreeSendThread::packetDistributor(OctreeQueryNode* nodeData, bool viewFrus
         return 0;
     }
     
+    // calculate max number of packets that can be sent during this interval
+    int clientMaxPacketsPerInterval = std::max(1, (nodeData->getMaxOctreePacketsPerSecond() / INTERVALS_PER_SECOND));
+    int maxPacketsPerInterval = std::min(clientMaxPacketsPerInterval, _myServer->getPacketsPerClientPerInterval());
+
     int truePacketsSent = 0;
     int trueBytesSent = 0;
     int packetsSentThisInterval = 0;
@@ -408,9 +391,6 @@ int OctreeSendThread::packetDistributor(OctreeQueryNode* nodeData, bool viewFrus
         //quint64 startCompressTimeMsecs = OctreePacketData::getCompressContentTime() / 1000;
         //quint64 startCompressCalls = OctreePacketData::getCompressContentCalls();
 
-        int clientMaxPacketsPerInterval = std::max(1,(nodeData->getMaxOctreePacketsPerSecond() / INTERVALS_PER_SECOND));
-        int maxPacketsPerInterval = std::min(clientMaxPacketsPerInterval, _myServer->getPacketsPerClientPerInterval());
-
         int extraPackingAttempts = 0;
         bool completedScene = false;
         while (somethingToSend && packetsSentThisInterval < maxPacketsPerInterval && !nodeData->isShuttingDown()) {
@@ -581,12 +561,26 @@ int OctreeSendThread::packetDistributor(OctreeQueryNode* nodeData, bool viewFrus
         // send the environment packet
         // TODO: should we turn this into a while loop to better handle sending multiple special packets
         if (_myServer->hasSpecialPacketToSend(_node) && !nodeData->isShuttingDown()) {
-            trueBytesSent += _myServer->sendSpecialPacket(nodeData, _node);
+            int specialPacketsSent;
+            trueBytesSent += _myServer->sendSpecialPacket(_node, nodeData, specialPacketsSent);
             nodeData->resetOctreePacket();   // because nodeData's _sequenceNumber has changed
-            truePacketsSent++;
-            packetsSentThisInterval++;
+            truePacketsSent += specialPacketsSent;
+            packetsSentThisInterval += specialPacketsSent;
         }
 
+        // Re-send packets that were nacked by the client
+        while (nodeData->hasNextNackedPacket() && packetsSentThisInterval < maxPacketsPerInterval) {
+            const QByteArray* packet = nodeData->getNextNackedPacket();
+            if (packet) {
+                NodeList::getInstance()->writeDatagram(*packet, _node);
+                truePacketsSent++;
+                packetsSentThisInterval++;
+
+                _totalBytes += packet->size();
+                _totalPackets++;
+                _totalWastedBytes += MAX_PACKET_SIZE - packet->size();
+            }
+        }
 
         quint64 end = usecTimestampNow();
         int elapsedmsec = (end - start)/USECS_PER_MSEC;
diff --git a/assignment-client/src/octree/OctreeSendThread.h b/assignment-client/src/octree/OctreeSendThread.h
index e7599ebcd2..d8eed27802 100644
--- a/assignment-client/src/octree/OctreeSendThread.h
+++ b/assignment-client/src/octree/OctreeSendThread.h
@@ -55,9 +55,6 @@ private:
     
     int _nodeMissingCount;
     bool _isShuttingDown;
-
-    int resendNackedPackets(OctreeQueryNode* nodeData);
-
 };
 
 #endif // hifi_OctreeSendThread_h
diff --git a/assignment-client/src/octree/OctreeServer.h b/assignment-client/src/octree/OctreeServer.h
index f0db93feb3..5595d139be 100644
--- a/assignment-client/src/octree/OctreeServer.h
+++ b/assignment-client/src/octree/OctreeServer.h
@@ -72,7 +72,7 @@ public:
     // subclass may implement these method
     virtual void beforeRun() { };
     virtual bool hasSpecialPacketToSend(const SharedNodePointer& node) { return false; }
-    virtual int sendSpecialPacket(OctreeQueryNode* queryNode, const SharedNodePointer& node) { return 0; }
+    virtual int sendSpecialPacket(const SharedNodePointer& node, OctreeQueryNode* queryNode, int& packetsSent) { return 0; }
 
     static void attachQueryNodeToNode(Node* newNode);
     
diff --git a/assignment-client/src/particles/ParticleServer.cpp b/assignment-client/src/particles/ParticleServer.cpp
index e7a0f75dfd..674d22145f 100644
--- a/assignment-client/src/particles/ParticleServer.cpp
+++ b/assignment-client/src/particles/ParticleServer.cpp
@@ -86,7 +86,7 @@ bool ParticleServer::hasSpecialPacketToSend(const SharedNodePointer& node) {
     return shouldSendDeletedParticles;
 }
 
-int ParticleServer::sendSpecialPacket(OctreeQueryNode* queryNode, const SharedNodePointer& node) {
+int ParticleServer::sendSpecialPacket(const SharedNodePointer& node, OctreeQueryNode* queryNode, int& packetsSent) {
     unsigned char outputBuffer[MAX_PACKET_SIZE];
     size_t packetLength = 0;
 
@@ -99,6 +99,7 @@ int ParticleServer::sendSpecialPacket(OctreeQueryNode* queryNode, const SharedNo
         bool hasMoreToSend = true;
 
         // TODO: is it possible to send too many of these packets? what if you deleted 1,000,000 particles?
+        packetsSent = 0;
         while (hasMoreToSend) {
             hasMoreToSend = tree->encodeParticlesDeletedSince(queryNode->getSequenceNumber(), deletedParticlesSentAt,
                                                 outputBuffer, MAX_PACKET_SIZE, packetLength);
@@ -107,6 +108,7 @@ int ParticleServer::sendSpecialPacket(OctreeQueryNode* queryNode, const SharedNo
 
             NodeList::getInstance()->writeDatagram((char*) outputBuffer, packetLength, SharedNodePointer(node));
             queryNode->packetSent(outputBuffer, packetLength);
+            packetsSent++;
         }
 
         nodeData->setLastDeletedParticlesSentAt(deletePacketSentAt);
diff --git a/assignment-client/src/particles/ParticleServer.h b/assignment-client/src/particles/ParticleServer.h
index 3066c5fa98..d444368a9d 100644
--- a/assignment-client/src/particles/ParticleServer.h
+++ b/assignment-client/src/particles/ParticleServer.h
@@ -37,7 +37,7 @@ public:
     // subclass may implement these method
     virtual void beforeRun();
     virtual bool hasSpecialPacketToSend(const SharedNodePointer& node);
-    virtual int sendSpecialPacket(OctreeQueryNode* queryNode, const SharedNodePointer& node);
+    virtual int sendSpecialPacket(const SharedNodePointer& node, OctreeQueryNode* queryNode, int& packetsSent);
 
     virtual void particleCreated(const Particle& newParticle, const SharedNodePointer& senderNode);
 
diff --git a/assignment-client/src/voxels/VoxelServer.cpp b/assignment-client/src/voxels/VoxelServer.cpp
index 34b01f529a..b021ddd9f6 100644
--- a/assignment-client/src/voxels/VoxelServer.cpp
+++ b/assignment-client/src/voxels/VoxelServer.cpp
@@ -40,7 +40,7 @@ bool VoxelServer::hasSpecialPacketToSend(const SharedNodePointer& node) {
     return shouldSendEnvironments;
 }
 
-int VoxelServer::sendSpecialPacket(OctreeQueryNode* queryNode, const SharedNodePointer& node) {
+int VoxelServer::sendSpecialPacket(const SharedNodePointer& node, OctreeQueryNode* queryNode, int& packetsSent) {
 
     unsigned char* copyAt = _tempOutputBuffer;    
 
@@ -76,6 +76,7 @@ int VoxelServer::sendSpecialPacket(OctreeQueryNode* queryNode, const SharedNodeP
 
     NodeList::getInstance()->writeDatagram((char*) _tempOutputBuffer, envPacketLength, SharedNodePointer(node));
     queryNode->packetSent(_tempOutputBuffer, envPacketLength);
+    packetsSent = 1;
 
     return envPacketLength;
 }
diff --git a/assignment-client/src/voxels/VoxelServer.h b/assignment-client/src/voxels/VoxelServer.h
index 4e04c48cfd..b13f83b65f 100644
--- a/assignment-client/src/voxels/VoxelServer.h
+++ b/assignment-client/src/voxels/VoxelServer.h
@@ -46,7 +46,7 @@ public:
     // subclass may implement these method
     virtual void beforeRun();
     virtual bool hasSpecialPacketToSend(const SharedNodePointer& node);
-    virtual int sendSpecialPacket(OctreeQueryNode* queryNode, const SharedNodePointer& node);
+    virtual int sendSpecialPacket(const SharedNodePointer& node, OctreeQueryNode* queryNode, int& packetsSent);
 
 private:
     bool _sendEnvironments;
diff --git a/examples/growTrees.js b/examples/growTrees.js
new file mode 100644
index 0000000000..142c72300a
--- /dev/null
+++ b/examples/growTrees.js
@@ -0,0 +1,832 @@
+//
+//  growPlants.js 
+//  examples
+//
+//  Created by Benjamin Arnold on May 29, 2014
+//  Copyright 2014 High Fidelity, Inc.
+//
+//  This sample script allows the user to grow different types of plants on the voxels
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+var zFightingSizeAdjust = 0.002; // used to adjust preview voxels to prevent z fighting
+var previewLineWidth = 2.0;
+
+var voxelSize = 1;
+var windowDimensions = Controller.getViewportDimensions();
+var toolIconUrl = "http://highfidelity-public.s3-us-west-1.amazonaws.com/images/tools/";
+
+var MAX_VOXEL_SCALE_POWER = 5;
+var MIN_VOXEL_SCALE_POWER = -8;
+var MAX_VOXEL_SCALE = Math.pow(2.0, MAX_VOXEL_SCALE_POWER);
+var MIN_VOXEL_SCALE = Math.pow(2.0, MIN_VOXEL_SCALE_POWER);
+
+
+var linePreviewTop = Overlays.addOverlay("line3d", {
+                                         position: { x: 0, y: 0, z: 0},
+                                         end: { x: 0, y: 0, z: 0},
+                                         color: { red: 0, green: 255, blue: 0},
+                                         alpha: 1,
+                                         visible: false,
+                                         lineWidth: previewLineWidth
+                                         });
+
+var linePreviewBottom = Overlays.addOverlay("line3d", {
+                                            position: { x: 0, y: 0, z: 0},
+                                            end: { x: 0, y: 0, z: 0},
+                                            color: { red: 0, green: 255, blue: 0},
+                                            alpha: 1,
+                                            visible: false,
+                                            lineWidth: previewLineWidth
+                                            });
+
+var linePreviewLeft = Overlays.addOverlay("line3d", {
+                                          position: { x: 0, y: 0, z: 0},
+                                          end: { x: 0, y: 0, z: 0},
+                                          color: { red: 0, green: 255, blue: 0},
+                                          alpha: 1,
+                                          visible: false,
+                                          lineWidth: previewLineWidth
+                                          });
+
+var linePreviewRight = Overlays.addOverlay("line3d", {
+                                           position: { x: 0, y: 0, z: 0},
+                                           end: { x: 0, y: 0, z: 0},
+                                           color: { red: 0, green: 255, blue: 0},
+                                           alpha: 1,
+                                           visible: false,
+                                           lineWidth: previewLineWidth
+                                           });
+
+                              
+var UIColor = { red: 0, green: 160, blue: 0};
+var activeUIColor = { red: 0, green: 255, blue: 0};
+            
+var toolHeight = 50;
+var toolWidth = 50;
+
+var editToolsOn = true; 
+
+var voxelToolSelected = false;
+        
+var scaleSelectorWidth = 144;
+var scaleSelectorHeight = 37;        
+
+var scaleSelectorX = windowDimensions.x / 5.0;
+var scaleSelectorY = windowDimensions.y - scaleSelectorHeight;             
+                                     
+var voxelTool = Overlays.addOverlay("image", {
+                                   x: scaleSelectorX + scaleSelectorWidth + 1, y: windowDimensions.y - toolHeight, width: toolWidth, height: toolHeight,
+                                   subImage: { x: 0, y: toolHeight, width: toolWidth, height: toolHeight },
+                                   imageURL: toolIconUrl + "voxel-tool.svg",
+                                   visible: editToolsOn,
+                                   color: UIColor,
+                                   alpha: 0.9
+                                   });
+                                           
+var copyScale = true;
+function ScaleSelector() {
+   this.x = scaleSelectorX;
+   this.y = scaleSelectorY;
+   this.width = scaleSelectorWidth;
+   this.height = scaleSelectorHeight;
+
+   this.displayPower = false;
+   this.scale = 1.0;
+   this.power = 0;
+
+   this.FIRST_PART = this.width * 40.0 / 100.0;
+   this.SECOND_PART = this.width * 37.0 / 100.0;
+   
+   this.buttonsOverlay = Overlays.addOverlay("image", {
+                                             x: this.x, y: this.y,
+                                             width: this.width, height: this.height,
+                                             //subImage: { x: 0, y: toolHeight, width: toolWidth, height: toolHeight },
+                                             imageURL: toolIconUrl + "voxel-size-selector.svg",
+                                             alpha: 0.9,
+                                             visible: editToolsOn,
+                                             color: activeUIColor
+                                             });
+   this.textOverlay = Overlays.addOverlay("text", {
+                                          x: this.x + this.FIRST_PART, y: this.y,
+                                          width: this.SECOND_PART, height: this.height,
+                                          topMargin: 13,
+                                          text: this.scale.toString(),
+                                          alpha: 0.0,
+                                          visible: editToolsOn,
+                                          color: activeUIColor
+                                          });
+   this.powerOverlay = Overlays.addOverlay("text", {
+                                           x: this.x + this.FIRST_PART, y: this.y,
+                                           width: this.SECOND_PART, height: this.height,
+                                           leftMargin: 28,
+                                           text: this.power.toString(),
+                                           alpha: 0.0,
+                                           visible: false,
+                                           color: activeUIColor
+                                           });
+   this.setScale = function(scale) {
+       if (scale > MAX_VOXEL_SCALE) {
+           scale = MAX_VOXEL_SCALE;
+       }
+       if (scale < MIN_VOXEL_SCALE) {
+           scale = MIN_VOXEL_SCALE;
+       }
+
+       this.scale = scale;
+       this.power = Math.floor(Math.log(scale) / Math.log(2));
+       this.update();
+   }
+
+   this.show = function(doShow) {
+       Overlays.editOverlay(this.buttonsOverlay, {visible: doShow});
+       Overlays.editOverlay(this.textOverlay, {visible: doShow});
+       Overlays.editOverlay(this.powerOverlay, {visible: doShow && this.displayPower});
+   }
+
+   this.move = function() {
+       this.x = swatchesX + swatchesWidth;
+       this.y = swatchesY;
+
+       Overlays.editOverlay(this.buttonsOverlay, {
+                            x: this.x, y: this.y,
+                            });
+       Overlays.editOverlay(this.textOverlay, {
+                            x: this.x + this.FIRST_PART, y: this.y,
+                            });
+       Overlays.editOverlay(this.powerOverlay, {
+                            x: this.x + this.FIRST_PART, y: this.y,
+                            });
+   }
+
+
+   this.switchDisplay = function() {
+       this.displayPower = !this.displayPower;
+
+       if (this.displayPower) {
+           Overlays.editOverlay(this.textOverlay, {
+                                leftMargin: 18,
+                                text: "2"
+                                });
+           Overlays.editOverlay(this.powerOverlay, {
+                                text: this.power.toString(),
+                                visible: editToolsOn
+                                });
+       } else {
+           Overlays.editOverlay(this.textOverlay, {
+                                leftMargin: 13,
+                                text: this.scale.toString()
+                                });
+           Overlays.editOverlay(this.powerOverlay, {
+                                visible: false
+                                });
+       }
+   }
+
+   this.update = function() {
+       if (this.displayPower) {
+           Overlays.editOverlay(this.powerOverlay, {text: this.power.toString()});
+       } else {
+           Overlays.editOverlay(this.textOverlay, {text: this.scale.toString()});
+       }
+   }
+
+   this.incrementScale = function() {
+       copyScale = false;
+       if (this.power < MAX_VOXEL_SCALE_POWER) {
+           ++this.power;
+           this.scale *= 2.0;
+           this.update();
+       }
+   }
+
+   this.decrementScale = function() {
+       copyScale = false;
+       if (MIN_VOXEL_SCALE_POWER < this.power) {
+           --this.power;
+           this.scale /= 2.0;
+           this.update();
+       }
+   }
+
+   this.clicked = function(x, y) {
+       if (this.x < x  && x < this.x + this.width &&
+           this.y < y && y < this.y + this.height) {
+
+           if (x < this.x + this.FIRST_PART) {
+               this.decrementScale();
+           } else if (x < this.x + this.FIRST_PART + this.SECOND_PART) {
+               this.switchDisplay();
+           } else {
+               this.incrementScale();
+           }
+           return true;
+       }
+       return false;
+   }
+
+   this.cleanup = function() {
+       Overlays.deleteOverlay(this.buttonsOverlay);
+       Overlays.deleteOverlay(this.textOverlay);
+       Overlays.deleteOverlay(this.powerOverlay);
+   }
+
+}
+var scaleSelector = new ScaleSelector();
+
+                                           
+function calculateVoxelFromIntersection(intersection, operation) {
+
+    var resultVoxel;
+   
+    var x;
+    var y;
+    var z;
+    
+    // if our "target voxel size" is larger than the voxel we intersected with, then we need to find the closest
+    // ancestor voxel of our target size that contains our intersected voxel.
+    if (voxelSize > intersection.voxel.s) {
+        x = Math.floor(intersection.voxel.x / voxelSize) * voxelSize;
+        y = Math.floor(intersection.voxel.y / voxelSize) * voxelSize;
+        z = Math.floor(intersection.voxel.z / voxelSize) * voxelSize;
+    } else {
+        // otherwise, calculate the enclosed voxel of size voxelSize that the intersection point falls inside of.
+        // if you have a voxelSize that's smaller than the voxel you're intersecting, this calculation will result
+        // in the subvoxel that the intersection point falls in, if the target voxelSize matches the intersecting
+        // voxel this still works and results in returning the intersecting voxel which is what we want
+        var adjustToCenter = Vec3.multiply(Voxels.getFaceVector(intersection.face), (voxelSize * -0.5));
+       
+        var centerOfIntersectingVoxel = Vec3.sum(intersection.intersection, adjustToCenter);
+        x = Math.floor(centerOfIntersectingVoxel.x / voxelSize) * voxelSize;
+        y = Math.floor(centerOfIntersectingVoxel.y / voxelSize) * voxelSize;
+        z = Math.floor(centerOfIntersectingVoxel.z / voxelSize) * voxelSize;
+    }
+    resultVoxel = { x: x, y: y, z: z, s: voxelSize };
+    var highlightAt = { x: x, y: y, z: z, s: voxelSize };
+    
+
+
+    // we only do the "add to the face we're pointing at" adjustment, if the operation is an add
+    // operation, and the target voxel size is equal to or smaller than the intersecting voxel.
+    var wantAddAdjust = (operation == "add" && (voxelSize <= intersection.voxel.s));
+   
+    // now we also want to calculate the "edge square" for the face for this voxel
+    if (intersection.face == "MIN_X_FACE") {
+        
+        highlightAt.x = x - zFightingSizeAdjust;
+        if (wantAddAdjust) {
+            resultVoxel.x -= voxelSize;
+        }
+        
+        resultVoxel.bottomLeft = {x: highlightAt.x, y: highlightAt.y + zFightingSizeAdjust, z: highlightAt.z + zFightingSizeAdjust };
+        resultVoxel.bottomRight = {x: highlightAt.x, y: highlightAt.y + zFightingSizeAdjust, z: highlightAt.z + voxelSize - zFightingSizeAdjust };
+        resultVoxel.topLeft = {x: highlightAt.x, y: highlightAt.y + voxelSize - zFightingSizeAdjust, z: highlightAt.z + zFightingSizeAdjust };
+        resultVoxel.topRight = {x: highlightAt.x, y: highlightAt.y + voxelSize - zFightingSizeAdjust, z: highlightAt.z + voxelSize - zFightingSizeAdjust };
+        
+    } else if (intersection.face == "MAX_X_FACE") {
+        
+        highlightAt.x = x + voxelSize + zFightingSizeAdjust;
+        if (wantAddAdjust) {
+            resultVoxel.x += resultVoxel.s;
+        }
+        
+        resultVoxel.bottomRight = {x: highlightAt.x, y: highlightAt.y + zFightingSizeAdjust, z: highlightAt.z + zFightingSizeAdjust };
+        resultVoxel.bottomLeft = {x: highlightAt.x, y: highlightAt.y + zFightingSizeAdjust, z: highlightAt.z + voxelSize - zFightingSizeAdjust };
+        resultVoxel.topRight = {x: highlightAt.x, y: highlightAt.y + voxelSize - zFightingSizeAdjust, z: highlightAt.z + zFightingSizeAdjust };
+        resultVoxel.topLeft = {x: highlightAt.x, y: highlightAt.y + voxelSize - zFightingSizeAdjust, z: highlightAt.z + voxelSize - zFightingSizeAdjust };
+        
+    } else if (intersection.face == "MIN_Y_FACE") {
+        
+        highlightAt.y = y - zFightingSizeAdjust;
+        if (wantAddAdjust) {
+            resultVoxel.y -= voxelSize;
+        }
+        
+        resultVoxel.topRight = {x: highlightAt.x + zFightingSizeAdjust , y: highlightAt.y, z: highlightAt.z + zFightingSizeAdjust  };
+        resultVoxel.topLeft = {x: highlightAt.x + voxelSize - zFightingSizeAdjust, y: highlightAt.y, z: highlightAt.z + zFightingSizeAdjust };
+        resultVoxel.bottomRight = {x: highlightAt.x + zFightingSizeAdjust , y: highlightAt.y, z: highlightAt.z  + voxelSize - zFightingSizeAdjust };
+        resultVoxel.bottomLeft = {x: highlightAt.x + voxelSize - zFightingSizeAdjust , y: highlightAt.y, z: highlightAt.z + voxelSize - zFightingSizeAdjust };
+        
+    } else if (intersection.face == "MAX_Y_FACE") {
+        
+        highlightAt.y = y + voxelSize + zFightingSizeAdjust;
+        if (wantAddAdjust) {
+            resultVoxel.y += voxelSize;
+        }
+        
+        resultVoxel.bottomRight = {x: highlightAt.x + zFightingSizeAdjust, y: highlightAt.y, z: highlightAt.z + zFightingSizeAdjust };
+        resultVoxel.bottomLeft = {x: highlightAt.x + voxelSize - zFightingSizeAdjust, y: highlightAt.y, z: highlightAt.z + zFightingSizeAdjust};
+        resultVoxel.topRight = {x: highlightAt.x + zFightingSizeAdjust, y: highlightAt.y, z: highlightAt.z  + voxelSize - zFightingSizeAdjust};
+        resultVoxel.topLeft = {x: highlightAt.x + voxelSize - zFightingSizeAdjust, y: highlightAt.y, z: highlightAt.z + voxelSize - zFightingSizeAdjust};
+        
+    } else if (intersection.face == "MIN_Z_FACE") {
+        
+        highlightAt.z = z - zFightingSizeAdjust;
+        if (wantAddAdjust) {
+            resultVoxel.z -= voxelSize;
+        }
+        
+        resultVoxel.bottomRight = {x: highlightAt.x + zFightingSizeAdjust, y: highlightAt.y + zFightingSizeAdjust, z: highlightAt.z };
+        resultVoxel.bottomLeft = {x: highlightAt.x + voxelSize - zFightingSizeAdjust, y: highlightAt.y + zFightingSizeAdjust, z: highlightAt.z};
+        resultVoxel.topRight = {x: highlightAt.x + zFightingSizeAdjust, y: highlightAt.y + voxelSize - zFightingSizeAdjust, z: highlightAt.z };
+        resultVoxel.topLeft = {x: highlightAt.x + voxelSize - zFightingSizeAdjust, y: highlightAt.y + voxelSize - zFightingSizeAdjust, z: highlightAt.z};
+        
+    } else if (intersection.face == "MAX_Z_FACE") {
+        
+        highlightAt.z = z + voxelSize + zFightingSizeAdjust;
+        if (wantAddAdjust) {
+            resultVoxel.z += voxelSize;
+        }
+        
+        resultVoxel.bottomLeft = {x: highlightAt.x + zFightingSizeAdjust, y: highlightAt.y + zFightingSizeAdjust, z: highlightAt.z };
+        resultVoxel.bottomRight = {x: highlightAt.x + voxelSize - zFightingSizeAdjust, y: highlightAt.y + zFightingSizeAdjust, z: highlightAt.z};
+        resultVoxel.topLeft = {x: highlightAt.x + zFightingSizeAdjust, y: highlightAt.y + voxelSize - zFightingSizeAdjust, z: highlightAt.z };
+        resultVoxel.topRight = {x: highlightAt.x + voxelSize - zFightingSizeAdjust, y: highlightAt.y + voxelSize - zFightingSizeAdjust, z: highlightAt.z};
+        
+    }
+    return resultVoxel;
+}
+                                           
+var trackLastMouseX = 0;
+var trackLastMouseY = 0;
+
+function showPreviewLines() {
+
+    var pickRay = Camera.computePickRay(trackLastMouseX, trackLastMouseY);
+
+    var intersection = Voxels.findRayIntersection(pickRay);
+
+    if (intersection.intersects) {
+        var resultVoxel = calculateVoxelFromIntersection(intersection, "");
+        Overlays.editOverlay(linePreviewTop, { position: resultVoxel.topLeft, end: resultVoxel.topRight, visible: true });
+        Overlays.editOverlay(linePreviewBottom, { position: resultVoxel.bottomLeft, end: resultVoxel.bottomRight, visible: true });
+        Overlays.editOverlay(linePreviewLeft, { position: resultVoxel.topLeft, end: resultVoxel.bottomLeft, visible: true });
+        Overlays.editOverlay(linePreviewRight, { position: resultVoxel.topRight, end: resultVoxel.bottomRight, visible: true });
+   } else {
+        Overlays.editOverlay(linePreviewTop, { visible: false });
+        Overlays.editOverlay(linePreviewBottom, { visible: false });
+        Overlays.editOverlay(linePreviewLeft, { visible: false });
+        Overlays.editOverlay(linePreviewRight, { visible: false });
+    }
+}
+
+function mouseMoveEvent(event) {
+    trackLastMouseX = event.x;
+    trackLastMouseY = event.y;
+    if (!voxelToolSelected) {
+        return;
+    }
+    showPreviewLines();
+}
+
+
+// Array of possible trees, right now there is only one
+var treeTypes = [];
+
+treeTypes.push({
+    name: "Tall Green",
+    // Voxel Colors
+    wood: { r: 133, g: 81, b: 53 },
+    leaves: { r: 22, g: 83, b: 31 },
+
+    // How tall the tree is
+    height: { min: 20, max: 60 },
+    middleHeight: 0.3,
+
+    // Chance of making a branch
+    branchChance: { min: 0.01, max: 0.1 },
+    branchLength: { min: 30, max: 60 },
+    branchThickness: { min: 2, max: 7},
+
+    // The width of the core, affects width and shape
+    coreWidth: { min: 1, max: 4 },
+
+    //TODO: Make this quadratic splines instead of linear
+    bottomThickness: { min: 2, max: 8 },
+    middleThickness: { min: 1, max: 4 },
+    topThickness: { min: 3, max: 6 },
+    
+    //Modifies leaves at top
+    leafCapSizeOffset: 0
+});
+
+// Applies noise to color
+var colorNoiseRange = 0.2;
+
+
+// Useful constants
+var LEFT = 0;
+var BACK = 1;
+var RIGHT = 2;
+var FRONT = 3;
+var UP = 4;
+
+// Interpolates between min and max of treevar based on b
+function interpolate(treeVar, b) {
+    return (treeVar.min + (treeVar.max - treeVar.min) * b);
+}
+
+function makeBranch(x, y, z, step, length, dir, thickness, wood, leaves) {
+    var moveDir;
+
+    var currentThickness;
+    //thickness attenuates to thickness - 3
+    var finalThickness = thickness - 3;
+    if (finalThickness < 1) {
+        finalThickness = 1;
+    }
+    //Iterative branch generation
+    while (true) {
+   
+        //If we are at the end, place a ball of leaves
+        if (step == 0) {
+            makeSphere(x, y, z, 2 + finalThickness, leaves); 
+            return;
+        }
+        //thickness attenuation
+        currentThickness = Math.round((finalThickness + (thickness - finalThickness) * (step/length))) - 1;
+		
+        
+        // If the branch is thick, grow a vertical slice
+        if (currentThickness > 0) {
+            for (var i = -currentThickness; i <= currentThickness; i++) {
+                var len = currentThickness - Math.abs(i);
+                switch (dir) {
+                case 0: //left
+                case 2: //right
+                    growInDirection(x, y + i * voxelSize, z, len, len, BACK, wood, false, true);
+                    growInDirection(x, y + i * voxelSize, z, len, len, FRONT, wood, false, false)          
+                    break;
+                case 1: //back
+                case 3: //front
+                    growInDirection(x, y + i * voxelSize, z, len, len, LEFT, wood, false, true);
+                    growInDirection(x, y + i * voxelSize, z, len, len, RIGHT, wood, false, false)         
+                    break;
+                }
+            }
+        } else {
+            //Otherwise place a single voxel
+            var colorNoise = (colorNoiseRange * Math.random() - colorNoiseRange * 0.5) + 1.0;
+            Voxels.setVoxel(x, y, z, voxelSize, wood.r * colorNoise, wood.g * colorNoise, wood.b * colorNoise);
+        }
+
+        // determines random change in direction for branch
+        var r = Math.floor(Math.random() * 9);
+
+         
+        if (r >= 6){
+            moveDir = dir; //in same direction
+        } else if (r >= 4) {
+            moveDir = UP; //up
+        }
+        else if (dir == LEFT){
+            if (r >= 2){
+                moveDir = FRONT;
+            }
+            else{
+                moveDir = BACK;
+            }
+        }
+        else if (dir == BACK){
+            if (r >= 2){
+                moveDir = LEFT;
+            }
+            else{
+                moveDir = RIGHT;
+            }
+        }
+        else if (dir == RIGHT){
+            if (r >= 2){
+                moveDir = BACK;
+            }
+            else{
+                moveDir = FRONT;
+            }
+        }
+        else if (dir == FRONT){
+            if (r >= 2){
+                moveDir = RIGHT;
+            }
+            else{
+                moveDir = LEFT;
+            }
+        }
+
+        //Move the branch by moveDir
+        switch (moveDir) {
+        case 0: //left
 
+            x = x - voxelSize;
+            break;
+        case 1: //back
+            z = z - voxelSize;
+            break;
+        case 2: //right
+            x = x + voxelSize;
+            break;
+        case 3: //front
+            z = z + voxelSize;
+            break;        
+        case 4: //up
+            y = y + voxelSize;
+            break;
+        }
+        
+	step--;
+    }
+}
+
+// Places a sphere of voxels
+function makeSphere(x, y, z, radius, color) {
+    if (radius <= 0) {
+        return;
+    }
+    var width = radius * 2 + 1;
+    var distance;
+    
+    for (var i = -radius; i <= radius; i++){
+        for (var j = -radius; j <= radius; j++){
+            for (var k = -radius; k <= radius; k++){
+                distance = Math.sqrt(i * i + j * j + k * k);
+                if (distance <= radius){
+                     var colorNoise = (colorNoiseRange * Math.random() - colorNoiseRange * 0.5) + 1.0;
+                     Voxels.setVoxel(x + i * voxelSize, y + j * voxelSize, z + k * voxelSize, voxelSize, color.r * colorNoise, color.g * colorNoise, color.b * colorNoise);
+                }
+            }
+        }
+    }
+}
+
+function growInDirection(x, y, z, step, length, dir, color, isSideBranching, addVoxel) {
+    
+
+    if (addVoxel == true) {
+        var colorNoise = (colorNoiseRange * Math.random() - colorNoiseRange * 0.5) + 1.0;
 
+        Voxels.setVoxel(x, y, z, voxelSize, color.r * colorNoise, color.g * colorNoise, color.b * colorNoise);
+	}
+
+    // If this is a main vein, it will branch outward perpendicular to its motion
+	if (isSideBranching == true){
+        var step2;
+		if (step >= length - 1){
+			step2 = length;
+		}
+		else{
+			step2 = step + 1;
+		}
+        growInDirection(x, y, z, step, length, BACK, color, false, false);
+        growInDirection(x, y, z, step, length, FRONT, color, false, false);
+	}
+
+	if (step < 1) return;
+
+    // Recursively move in the direction
+	if (dir == LEFT) { //left
+		growInDirection(x - voxelSize, y, z, step - 1, length, dir, color, isSideBranching, true);
+	}
+	else if (dir == BACK) { //back
+		growInDirection(x, y, z - voxelSize, step - 1, length, dir, color, isSideBranching, true);
+    }
+	else if (dir == RIGHT) { //right
+		growInDirection(x + voxelSize, y, z, step - 1, length, dir, color, isSideBranching, true);
+	}
+	else if (dir == FRONT) {//front
+	    growInDirection(x, y, z + voxelSize, step - 1, length, dir, color, isSideBranching, true);
+	}
+
+}
+
+// Grows the thickness of the tree
+function growHorizontalSlice(x, y, z, thickness, color, side) {
+    // The side variable determines which directions we should grow in
+    // it is an optimization that prevents us from visiting voxels multiple
+    // times for trees with a coreWidth > 1
+    
+    // side:
+    //  8 == all directions
+    //  0  1  2
+    //  3 -1  4
+    //  5  6  7
+    
+    Voxels.setVoxel(x, y, z, voxelSize, color.r, color.g, color.b);
+    
+    //We are done if there is no thickness
+    if (thickness == 0) {
+        return;
+    }
+    
+    
+    switch (side) {
+    case 0:
+        growInDirection(x, y, z, thickness, thickness, LEFT, color, true, false);
+        break;
+    case 1:   
+        growInDirection(x, y, z, thickness, thickness, BACK, color, false, false); 
+        break;
+    case 2:
+        growInDirection(x, y, z, thickness, thickness, RIGHT, color, true, false);   
+        break;
+    case 3:
+        growInDirection(x, y, z, thickness, thickness, LEFT, color, false, false);
+        break;
+    case 4:
+        growInDirection(x, y, z, thickness, thickness, BACK, color, false, false);
+        break;
+    case 5:
+        growInDirection(x, y, z, thickness, thickness, RIGHT, color, true, false);
+        break;
+    case 6:
+        growInDirection(x, y, z, thickness, thickness, FRONT, color, false, false); 
+        break;
+    case 7:
+        growInDirection(x, y, z, thickness, thickness, RIGHT, color, true, false);
+        break;
+    case 8:
+        if (thickness > 1){
+            growInDirection(x, y, z, thickness, thickness, LEFT, color, true, false);
+            growInDirection(x, y, z, thickness, thickness, RIGHT, color, true, false)     
+        } else if (thickness == 1){
+            Voxels.setVoxel(x - voxelSize, y, z, voxelSize, color.r, color.g, color.b);
+            Voxels.setVoxel(x + voxelSize, y, z, voxelSize, color.r, color.g, color.b);
+            Voxels.setVoxel(x, y, z - voxelSize, voxelSize, color.r, color.g, color.b);
+            Voxels.setVoxel(x, y, z + voxelSize, voxelSize, color.r, color.g, color.b);
+        }
+        break;
+    }
+}
+
+function computeSide(x, z, coreWidth) {
+    // side:
+    //  8 == all directions
+    //  0  1  2
+    //  3 -1  4
+    //  5  6  7
+   
+    // if the core is only a single block, we can grow out in all directions
+    if (coreWidth == 1){
+        return 8;
+    }
+    
+    // Back face
+    if (z == 0) {
+        if (x == 0) {
+            return 0;
+        } else if (x == coreWidth - 1) {
+            return 2;
+        } else {
+            return 1;
+        }  
+    }
+    
+    // Front face
+    if (z == (coreWidth - 1)) {
+        if (x == 0) {
+            return 5;
+        } else if (x == (coreWidth - 1)) {
+            return 7;
+        } else {
+            return 6;
+        }  
+    }
+    
+    // Left face
+    if (x == 0) {
+        return 3;
+    }
+    
+    // Right face
+    if (x == (coreWidth - 1)) {
+        return 4;
+    }
+     
+    //Interior
+    return -1;
+}
+
+
+function growTree(x, y, z, tree) {
+
+    // The size of the tree, from 0-1
+    var treeSize = Math.random();
+    
+    // Get tree properties by interpolating with the treeSize
+    var height = interpolate(tree.height, treeSize);
+    var baseHeight = Math.ceil(tree.middleHeight * height);
+    var bottomThickness = interpolate(tree.bottomThickness, treeSize);
+    var middleThickness = interpolate(tree.middleThickness, treeSize);
+    var topThickness = interpolate(tree.topThickness, treeSize);
+    var coreWidth = Math.ceil(interpolate(tree.coreWidth, treeSize));
+
+    var thickness;
+    var side;
+    
+    //Loop upwards through each slice of the tree
+    for (var i = 0; i < height; i++){
+    
+        //Branch properties are based on current height as well as the overall tree size
+        var branchChance = interpolate(tree.branchChance, i / height);
+        var branchLength = Math.ceil(interpolate(tree.branchLength, (i / height) * treeSize));
+        var branchThickness = Math.round(interpolate(tree.branchThickness, (i / height) * treeSize));
+        
+        // Get the "thickness" of the tree by doing linear interpolation between the middle thickness
+        // and the top and bottom thickness.
+        if (i <= baseHeight && baseHeight != 0){
+            thickness = (i / (baseHeight) * (middleThickness - bottomThickness) + bottomThickness);
+        } else {
+            var denom = ((height - baseHeight)) * (topThickness - middleThickness) + middleThickness;
+            if (denom != 0) {
+                thickness = (i - baseHeight) / denom;
+            } else {
+                thickness = 0;
+            }
+        }
+        // The core of the tree is a vertical rectangular prism through the middle of the tree
+        
+        //Loop through the "core", which helps shape the trunk
+        var startX = x - Math.floor(coreWidth / 2) * voxelSize;
+        var startZ = z - Math.floor(coreWidth / 2) * voxelSize;
+        for (var j = 0; j < coreWidth; j++) {
+            for (var k = 0; k < coreWidth; k++) {
+                //determine which side of the tree we are on
+                side = computeSide(j, k, coreWidth);
+                //grow a horizontal slice of the tree
+                growHorizontalSlice(startX + j * voxelSize, y + i * voxelSize, startZ + k * voxelSize, Math.floor(thickness), tree.wood, side);
+                
+                // Branches
+                if (side != -1) {
+                    var r = Math.random();
+                    if (r <= branchChance){
+                        var dir = Math.floor((Math.random() * 4)); 
+                        makeBranch(startX + j * voxelSize, y + i * voxelSize, startZ + k * voxelSize, branchLength, branchLength, dir, branchThickness, tree.wood, tree.leaves);
+                       
+                    }
+                }
+            }
+        }
+    }
+    
+    makeSphere(x, y + height * voxelSize, z, topThickness + coreWidth + tree.leafCapSizeOffset, tree.leaves);
+}
+
+function mousePressEvent(event) {
+    var mouseX = event.x;
+    var mouseY = event.y;
+    
+    var clickedOnSomething = false;
+    // Check if we clicked an overlay
+    var clickedOverlay = Overlays.getOverlayAtPoint({x: mouseX, y: mouseY});
+    
+    if (clickedOverlay == voxelTool) {
+        voxelToolSelected = !voxelToolSelected;
+        
+        if (voxelToolSelected == true) {
+            Overlays.editOverlay(voxelTool, {
+                                 color: activeUIColor
+                                 });
+        } else { 
+            Overlays.editOverlay(voxelTool, {
+                                 color: UIColor
+                                 });
+        }
+        
+        clickedOnSomething = true;
+    } else if (scaleSelector.clicked(event.x, event.y)) {        
+        clickedOnSomething = true;
+        voxelSize = scaleSelector.scale;
+    }
+    
+    // Return if we clicked on the UI or the voxel tool is disabled
+    if (clickedOnSomething || !voxelToolSelected) {
+        return;
+    }  
+    
+    // Compute the picking ray for the click
+    var pickRay = Camera.computePickRay(event.x, event.y);
+    var intersection = Voxels.findRayIntersection(pickRay);
+    var resultVoxel = calculateVoxelFromIntersection(intersection, "add");
+
+    // Currently not in use, could randomly select a tree
+    var treeIndex = Math.floor(Math.random() * treeTypes.length);
+    
+    // Grow the first tree type
+    growTree(resultVoxel.x, resultVoxel.y, resultVoxel.z, treeTypes[0]);
+
+}
+
+
+function scriptEnding() {
+    Overlays.deleteOverlay(linePreviewTop);
+    Overlays.deleteOverlay(linePreviewBottom);
+    Overlays.deleteOverlay(linePreviewLeft);
+    Overlays.deleteOverlay(linePreviewRight);
+    scaleSelector.cleanup();
+    Overlays.deleteOverlay(voxelTool);
+}
+
+Controller.mousePressEvent.connect(mousePressEvent);
+Controller.mouseMoveEvent.connect(mouseMoveEvent);
+
+Script.scriptEnding.connect(scriptEnding);
+
+Voxels.setPacketsPerSecond(10000);
diff --git a/interface/src/Application.cpp b/interface/src/Application.cpp
index 1956ce9c6c..e01e1df1c4 100644
--- a/interface/src/Application.cpp
+++ b/interface/src/Application.cpp
@@ -158,7 +158,7 @@ Application::Application(int& argc, char** argv, QElapsedTimer &startup_time) :
         _mousePressed(false),
         _audio(STARTUP_JITTER_SAMPLES),
         _enableProcessVoxelsThread(true),
-        _voxelProcessor(),
+        _octreeProcessor(),
         _voxelHideShowThread(&_voxels),
         _packetsPerSecond(0),
         _bytesPerSecond(0),
@@ -246,6 +246,7 @@ Application::Application(int& argc, char** argv, QElapsedTimer &startup_time) :
     connect(nodeList, SIGNAL(nodeKilled(SharedNodePointer)), SLOT(nodeKilled(SharedNodePointer)));
     connect(nodeList, SIGNAL(nodeAdded(SharedNodePointer)), &_voxels, SLOT(nodeAdded(SharedNodePointer)));
     connect(nodeList, SIGNAL(nodeKilled(SharedNodePointer)), &_voxels, SLOT(nodeKilled(SharedNodePointer)));
+    connect(nodeList, SIGNAL(nodeKilled(SharedNodePointer)), &_octreeProcessor, SLOT(nodeKilled(SharedNodePointer)));
     connect(nodeList, &NodeList::uuidChanged, this, &Application::updateWindowTitle);
     connect(nodeList, SIGNAL(uuidChanged(const QUuid&)), _myAvatar, SLOT(setSessionUUID(const QUuid&)));
     connect(nodeList, &NodeList::limitOfSilentDomainCheckInsReached, nodeList, &NodeList::reset);
@@ -420,7 +421,7 @@ Application::~Application() {
     _audio.thread()->quit();
     _audio.thread()->wait();
 
-    _voxelProcessor.terminate();
+    _octreeProcessor.terminate();
     _voxelHideShowThread.terminate();
     _voxelEditSender.terminate();
     _particleEditSender.terminate();
@@ -519,7 +520,7 @@ void Application::initializeGL() {
     qDebug( "init() complete.");
 
     // create thread for parsing of voxel data independent of the main network and rendering threads
-    _voxelProcessor.initialize(_enableProcessVoxelsThread);
+    _octreeProcessor.initialize(_enableProcessVoxelsThread);
     _voxelEditSender.initialize(_enableProcessVoxelsThread);
     _voxelHideShowThread.initialize(_enableProcessVoxelsThread);
     _particleEditSender.initialize(_enableProcessVoxelsThread);
@@ -1268,7 +1269,7 @@ void Application::dropEvent(QDropEvent *event) {
 
 void Application::sendPingPackets() {
     QByteArray pingPacket = NodeList::getInstance()->constructPingPacket();
-    controlledBroadcastToNodes(pingPacket, NodeSet()
+controlledBroadcastToNodes(pingPacket, NodeSet()
                                << NodeType::VoxelServer << NodeType::ParticleServer << NodeType::ModelServer
                                << NodeType::AudioMixer << NodeType::AvatarMixer
                                << NodeType::MetavoxelServer);
@@ -1886,7 +1887,7 @@ void Application::updateThreads(float deltaTime) {
 
     // parse voxel packets
     if (!_enableProcessVoxelsThread) {
-        _voxelProcessor.threadRoutine();
+        _octreeProcessor.threadRoutine();
         _voxelHideShowThread.threadRoutine();
         _voxelEditSender.threadRoutine();
         _particleEditSender.threadRoutine();
@@ -2097,7 +2098,7 @@ void Application::updateMyAvatar(float deltaTime) {
         }
     }
 
-    // sent a nack packet containing missing sequence numbers of received packets
+    // sent nack packets containing missing sequence numbers of received packets from nodes
     {
         quint64 now = usecTimestampNow();
         quint64 sinceLastNack = now - _lastNackTime;
@@ -2127,6 +2128,12 @@ void Application::sendNack() {
             || node->getType() == NodeType::ModelServer)
             ) {
 
+            // if there are octree packets from this node that are waiting to be processed,
+            // don't send a NACK since the missing packets may be among those waiting packets.
+            if (_octreeProcessor.hasPacketsToProcessFrom(node)) {
+                continue;
+            }
+
             QUuid nodeUUID = node->getUUID();
 
             _octreeSceneStatsLock.lockForRead();
@@ -3489,8 +3496,10 @@ void Application::saveScripts() {
 }
 
 ScriptEngine* Application::loadScript(const QString& scriptName, bool loadScriptFromEditor, bool activateMainWindow) {
-    if(loadScriptFromEditor && _scriptEnginesHash.contains(scriptName) && !_scriptEnginesHash[scriptName]->isFinished()){
-        return _scriptEnginesHash[scriptName];
+    QUrl scriptUrl(scriptName);
+    const QString& scriptURLString = scriptUrl.toString();
+    if(loadScriptFromEditor && _scriptEnginesHash.contains(scriptURLString) && !_scriptEnginesHash[scriptURLString]->isFinished()){
+        return _scriptEnginesHash[scriptURLString];
     }
 
     ScriptEngine* scriptEngine;
@@ -3498,9 +3507,8 @@ ScriptEngine* Application::loadScript(const QString& scriptName, bool loadScript
         scriptEngine = new ScriptEngine(NO_SCRIPT, "", &_controllerScriptingInterface);
     } else {
         // start the script on a new thread...
-        QUrl scriptUrl(scriptName);
         scriptEngine = new ScriptEngine(scriptUrl, &_controllerScriptingInterface);
-        _scriptEnginesHash.insert(scriptName, scriptEngine);
+        _scriptEnginesHash.insert(scriptURLString, scriptEngine);
 
         if (!scriptEngine->hasScript()) {
             qDebug() << "Application::loadScript(), script failed to load...";
diff --git a/interface/src/Application.h b/interface/src/Application.h
index a6c4df3d31..418b44dd91 100644
--- a/interface/src/Application.h
+++ b/interface/src/Application.h
@@ -88,7 +88,7 @@
 #include "voxels/VoxelFade.h"
 #include "voxels/VoxelHideShowThread.h"
 #include "voxels/VoxelImporter.h"
-#include "voxels/VoxelPacketProcessor.h"
+#include "voxels/OctreePacketProcessor.h"
 #include "voxels/VoxelSystem.h"
 
 
@@ -129,7 +129,7 @@ static const float MIRROR_FIELD_OF_VIEW = 30.0f;
 class Application : public QApplication {
     Q_OBJECT
 
-    friend class VoxelPacketProcessor;
+    friend class OctreePacketProcessor;
     friend class VoxelEditPacketSender;
     friend class DatagramProcessor;
 
@@ -192,7 +192,7 @@ public:
     ViewFrustum* getShadowViewFrustum() { return &_shadowViewFrustum; }
     VoxelSystem* getVoxels() { return &_voxels; }
     VoxelTree* getVoxelTree() { return _voxels.getTree(); }
-    const VoxelPacketProcessor& getVoxelPacketProcessor() const { return _voxelProcessor; }
+    const OctreePacketProcessor& getOctreePacketProcessor() const { return _octreeProcessor; }
     ParticleTreeRenderer* getParticles() { return &_particles; }
     MetavoxelSystem* getMetavoxels() { return &_metavoxels; }
     ModelTreeRenderer* getModels() { return &_models; }
@@ -533,7 +533,7 @@ private:
     Audio _audio;
 
     bool _enableProcessVoxelsThread;
-    VoxelPacketProcessor _voxelProcessor;
+    OctreePacketProcessor _octreeProcessor;
     VoxelHideShowThread _voxelHideShowThread;
     VoxelEditPacketSender _voxelEditSender;
     ParticleEditPacketSender _particleEditSender;
diff --git a/interface/src/DatagramProcessor.cpp b/interface/src/DatagramProcessor.cpp
index 56078c1a8d..cdd7e7ef0f 100644
--- a/interface/src/DatagramProcessor.cpp
+++ b/interface/src/DatagramProcessor.cpp
@@ -71,7 +71,7 @@ void DatagramProcessor::processDatagrams() {
                 case PacketTypeOctreeStats:
                 case PacketTypeEnvironmentData: {
                     PerformanceWarning warn(Menu::getInstance()->isOptionChecked(MenuOption::PipelineWarnings),
-                                            "Application::networkReceive()... _voxelProcessor.queueReceivedPacket()");
+                                            "Application::networkReceive()... _octreeProcessor.queueReceivedPacket()");
                     
                     bool wantExtraDebugging = application->getLogger()->extraDebugging();
                     if (wantExtraDebugging && packetTypeForPacket(incomingPacket) == PacketTypeVoxelData) {
@@ -92,7 +92,7 @@ void DatagramProcessor::processDatagrams() {
                     
                     if (matchedNode) {
                         // add this packet to our list of voxel packets and process them on the voxel processing
-                        application->_voxelProcessor.queueReceivedPacket(matchedNode, incomingPacket);
+                        application->_octreeProcessor.queueReceivedPacket(matchedNode, incomingPacket);
                     }
                     
                     break;
diff --git a/interface/src/ui/ApplicationOverlay.cpp b/interface/src/ui/ApplicationOverlay.cpp
index f5de7459a8..a48e0a2c1a 100644
--- a/interface/src/ui/ApplicationOverlay.cpp
+++ b/interface/src/ui/ApplicationOverlay.cpp
@@ -45,7 +45,7 @@ void ApplicationOverlay::renderOverlay(bool renderToTexture) {
     QGLWidget* glWidget = application->getGLWidget();
     MyAvatar* myAvatar = application->getAvatar();
     Audio* audio = application->getAudio();
-    const VoxelPacketProcessor& voxelPacketProcessor = application->getVoxelPacketProcessor();
+    const OctreePacketProcessor& octreePacketProcessor = application->getOctreePacketProcessor();
     BandwidthMeter* bandwidthMeter = application->getBandwidthMeter();
     NodeBounds& nodeBoundsDisplay = application->getNodeBoundsDisplay();
 
@@ -200,7 +200,7 @@ void ApplicationOverlay::renderOverlay(bool renderToTexture) {
     if (Menu::getInstance()->isOptionChecked(MenuOption::Stats)) {
         // let's set horizontal offset to give stats some margin to mirror
         int horizontalOffset = MIRROR_VIEW_WIDTH + MIRROR_VIEW_LEFT_PADDING * 2;
-        int voxelPacketsToProcess = voxelPacketProcessor.packetsToProcessCount();
+        int voxelPacketsToProcess = octreePacketProcessor.packetsToProcessCount();
         //  Onscreen text about position, servers, etc
         Stats::getInstance()->display(WHITE_TEXT, horizontalOffset, application->getFps(), application->getPacketsPerSecond(), application->getBytesPerSecond(), voxelPacketsToProcess);
         //  Bandwidth meter
diff --git a/interface/src/voxels/VoxelPacketProcessor.cpp b/interface/src/voxels/OctreePacketProcessor.cpp
similarity index 92%
rename from interface/src/voxels/VoxelPacketProcessor.cpp
rename to interface/src/voxels/OctreePacketProcessor.cpp
index 095c378c04..66190a5689 100644
--- a/interface/src/voxels/VoxelPacketProcessor.cpp
+++ b/interface/src/voxels/OctreePacketProcessor.cpp
@@ -1,5 +1,5 @@
 //
-//  VoxelPacketProcessor.cpp
+//  OctreePacketProcessor.cpp
 //  interface/src/voxels
 //
 //  Created by Brad Hefta-Gaub on 8/12/13.
@@ -13,18 +13,18 @@
 
 #include "Application.h"
 #include "Menu.h"
-#include "VoxelPacketProcessor.h"
+#include "OctreePacketProcessor.h"
 
-void VoxelPacketProcessor::processPacket(const SharedNodePointer& sendingNode, const QByteArray& packet) {
+void OctreePacketProcessor::processPacket(const SharedNodePointer& sendingNode, const QByteArray& packet) {
     PerformanceWarning warn(Menu::getInstance()->isOptionChecked(MenuOption::PipelineWarnings),
-                            "VoxelPacketProcessor::processPacket()");
+                            "OctreePacketProcessor::processPacket()");
     
     QByteArray mutablePacket = packet;
 
     const int WAY_BEHIND = 300;
 
     if (packetsToProcessCount() > WAY_BEHIND && Application::getInstance()->getLogger()->extraDebugging()) {
-        qDebug("VoxelPacketProcessor::processPacket() packets to process=%d", packetsToProcessCount());
+        qDebug("OctreePacketProcessor::processPacket() packets to process=%d", packetsToProcessCount());
     }
     ssize_t messageLength = mutablePacket.size();
 
diff --git a/interface/src/voxels/VoxelPacketProcessor.h b/interface/src/voxels/OctreePacketProcessor.h
similarity index 76%
rename from interface/src/voxels/VoxelPacketProcessor.h
rename to interface/src/voxels/OctreePacketProcessor.h
index 36456c5cc2..bdf25806f3 100644
--- a/interface/src/voxels/VoxelPacketProcessor.h
+++ b/interface/src/voxels/OctreePacketProcessor.h
@@ -1,5 +1,5 @@
 //
-//  VoxelPacketProcessor.h
+//  OctreePacketProcessor.h
 //  interface/src/voxels
 //
 //  Created by Brad Hefta-Gaub on 8/12/13.
@@ -9,16 +9,16 @@
 //  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
 //
 
-#ifndef hifi_VoxelPacketProcessor_h
-#define hifi_VoxelPacketProcessor_h
+#ifndef hifi_OctreePacketProcessor_h
+#define hifi_OctreePacketProcessor_h
 
 #include <ReceivedPacketProcessor.h>
 
 /// Handles processing of incoming voxel packets for the interface application. As with other ReceivedPacketProcessor classes 
 /// the user is responsible for reading inbound packets and adding them to the processing queue by calling queueReceivedPacket()
-class VoxelPacketProcessor : public ReceivedPacketProcessor {
+class OctreePacketProcessor : public ReceivedPacketProcessor {
     Q_OBJECT
 protected:
     virtual void processPacket(const SharedNodePointer& sendingNode, const QByteArray& packet);
 };
-#endif // hifi_VoxelPacketProcessor_h
+#endif // hifi_OctreePacketProcessor_h
diff --git a/libraries/networking/src/NetworkPacket.cpp b/libraries/networking/src/NetworkPacket.cpp
index bf18aa9b37..a8110847e1 100644
--- a/libraries/networking/src/NetworkPacket.cpp
+++ b/libraries/networking/src/NetworkPacket.cpp
@@ -17,9 +17,9 @@
 
 #include "NetworkPacket.h"
 
-void NetworkPacket::copyContents(const SharedNodePointer& destinationNode, const QByteArray& packet) {
+void NetworkPacket::copyContents(const SharedNodePointer& node, const QByteArray& packet) {
     if (packet.size() && packet.size() <= MAX_PACKET_SIZE) {
-        _destinationNode = destinationNode;
+        _node = node;
         _byteArray = packet;
     } else {
         qDebug(">>> NetworkPacket::copyContents() unexpected length = %d", packet.size());
@@ -27,28 +27,28 @@ void NetworkPacket::copyContents(const SharedNodePointer& destinationNode, const
 }
 
 NetworkPacket::NetworkPacket(const NetworkPacket& packet) {
-    copyContents(packet.getDestinationNode(), packet.getByteArray());
+    copyContents(packet.getNode(), packet.getByteArray());
 }
 
-NetworkPacket::NetworkPacket(const SharedNodePointer& destinationNode, const QByteArray& packet) {
-    copyContents(destinationNode, packet);
+NetworkPacket::NetworkPacket(const SharedNodePointer& node, const QByteArray& packet) {
+    copyContents(node, packet);
 };
 
 // copy assignment 
 NetworkPacket& NetworkPacket::operator=(NetworkPacket const& other) {
-    copyContents(other.getDestinationNode(), other.getByteArray());
+    copyContents(other.getNode(), other.getByteArray());
     return *this;
 }
 
 #ifdef HAS_MOVE_SEMANTICS
 // move, same as copy, but other packet won't be used further
 NetworkPacket::NetworkPacket(NetworkPacket && packet) {
-    copyContents(packet.getDestinationNode(), packet.getByteArray());
+    copyContents(packet.getNode(), packet.getByteArray());
 }
 
 // move assignment
 NetworkPacket& NetworkPacket::operator=(NetworkPacket&& other) {
-    copyContents(other.getDestinationNode(), other.getByteArray());
+    copyContents(other.getNode(), other.getByteArray());
     return *this;
 }
 #endif
diff --git a/libraries/networking/src/NetworkPacket.h b/libraries/networking/src/NetworkPacket.h
index 94ddf8d56e..0be35f9fff 100644
--- a/libraries/networking/src/NetworkPacket.h
+++ b/libraries/networking/src/NetworkPacket.h
@@ -26,6 +26,7 @@
 /// Storage of not-yet processed inbound, or not yet sent outbound generic UDP network packet
 class NetworkPacket {
 public:
+    NetworkPacket() { }
     NetworkPacket(const NetworkPacket& packet); // copy constructor
     NetworkPacket& operator= (const NetworkPacket& other);    // copy assignment
 
@@ -34,15 +35,15 @@ public:
     NetworkPacket& operator= (NetworkPacket&& other);         // move assignment
 #endif
 
-    NetworkPacket(const SharedNodePointer& destinationNode, const QByteArray& byteArray);
+    NetworkPacket(const SharedNodePointer& node, const QByteArray& byteArray);
 
-    const SharedNodePointer& getDestinationNode() const { return _destinationNode; }
+    const SharedNodePointer& getNode() const { return _node; }
     const QByteArray& getByteArray() const { return _byteArray; }
 
 private:
-    void copyContents(const SharedNodePointer& destinationNode, const QByteArray& byteArray);
+    void copyContents(const SharedNodePointer& node, const QByteArray& byteArray);
 
-    SharedNodePointer _destinationNode;
+    SharedNodePointer _node;
     QByteArray _byteArray;
 };
 
diff --git a/libraries/networking/src/PacketSender.cpp b/libraries/networking/src/PacketSender.cpp
index 5f7502a738..3edfc47c04 100644
--- a/libraries/networking/src/PacketSender.cpp
+++ b/libraries/networking/src/PacketSender.cpp
@@ -271,7 +271,7 @@ bool PacketSender::nonThreadedProcess() {
         unlock();
 
         // send the packet through the NodeList...
-        NodeList::getInstance()->writeDatagram(temporary.getByteArray(), temporary.getDestinationNode());
+        NodeList::getInstance()->writeDatagram(temporary.getByteArray(), temporary.getNode());
         packetsSentThisCall++;
         _packetsOverCheckInterval++;
         _totalPacketsSent++;
diff --git a/libraries/networking/src/ReceivedPacketProcessor.cpp b/libraries/networking/src/ReceivedPacketProcessor.cpp
index d54e165285..d556e8a059 100644
--- a/libraries/networking/src/ReceivedPacketProcessor.cpp
+++ b/libraries/networking/src/ReceivedPacketProcessor.cpp
@@ -17,13 +17,14 @@ void ReceivedPacketProcessor::terminating() {
     _hasPackets.wakeAll();
 }
 
-void ReceivedPacketProcessor::queueReceivedPacket(const SharedNodePointer& destinationNode, const QByteArray& packet) {
+void ReceivedPacketProcessor::queueReceivedPacket(const SharedNodePointer& sendingNode, const QByteArray& packet) {
     // Make sure our Node and NodeList knows we've heard from this node.
-    destinationNode->setLastHeardMicrostamp(usecTimestampNow());
+    sendingNode->setLastHeardMicrostamp(usecTimestampNow());
 
-    NetworkPacket networkPacket(destinationNode, packet);
+    NetworkPacket networkPacket(sendingNode, packet);
     lock();
     _packets.push_back(networkPacket);
+    _nodePacketCounts[sendingNode->getUUID()]++;
     unlock();
     
     // Make sure to  wake our actual processing thread because we  now have packets for it to process.
@@ -42,8 +43,13 @@ bool ReceivedPacketProcessor::process() {
         NetworkPacket& packet = _packets.front(); // get the oldest packet
         NetworkPacket temporary = packet; // make a copy of the packet in case the vector is resized on us
         _packets.erase(_packets.begin()); // remove the oldest packet
+        _nodePacketCounts[temporary.getNode()->getUUID()]--;
         unlock(); // let others add to the packets
-        processPacket(temporary.getDestinationNode(), temporary.getByteArray()); // process our temporary copy
+        processPacket(temporary.getNode(), temporary.getByteArray()); // process our temporary copy
     }
     return isStillRunning();  // keep running till they terminate us
 }
+
+void ReceivedPacketProcessor::killNode(const SharedNodePointer& node) {
+    _nodePacketCounts.remove(node->getUUID());
+}
diff --git a/libraries/networking/src/ReceivedPacketProcessor.h b/libraries/networking/src/ReceivedPacketProcessor.h
index f8306b4896..80fe75aaa7 100644
--- a/libraries/networking/src/ReceivedPacketProcessor.h
+++ b/libraries/networking/src/ReceivedPacketProcessor.h
@@ -28,20 +28,26 @@ public:
     /// \param packetData pointer to received data
     /// \param ssize_t packetLength size of received data
     /// \thread network receive thread
-    void queueReceivedPacket(const SharedNodePointer& destinationNode, const QByteArray& packet);
+    void queueReceivedPacket(const SharedNodePointer& sendingNode, const QByteArray& packet);
 
     /// Are there received packets waiting to be processed
     bool hasPacketsToProcess() const { return _packets.size() > 0; }
 
+    /// Are there received packets waiting to be processed from a certain node
+    bool hasPacketsToProcessFrom(const SharedNodePointer& sendingNode) const {
+        return _nodePacketCounts[sendingNode->getUUID()] > 0;
+    }
+
     /// How many received packets waiting are to be processed
     int packetsToProcessCount() const { return _packets.size(); }
 
+public slots:
+    void killNode(const SharedNodePointer& node);
+
 protected:
     /// Callback for processing of recieved packets. Implement this to process the incoming packets.
-    /// \param sockaddr& senderAddress the address of the sender
-    /// \param packetData pointer to received data
-    /// \param ssize_t packetLength size of received data
-    /// \thread "this" individual processing thread
+    /// \param SharedNodePointer& sendingNode the node that sent this packet
+    /// \param QByteArray& the packet to be processed
     virtual void processPacket(const SharedNodePointer& sendingNode, const QByteArray& packet) = 0;
 
     /// Implements generic processing behavior for this thread.
@@ -51,7 +57,9 @@ protected:
 
 private:
 
-    std::vector<NetworkPacket> _packets;
+    QVector<NetworkPacket> _packets;
+    QHash<QUuid, int> _nodePacketCounts;
+
     QWaitCondition _hasPackets;
     QMutex _waitingOnPacketsMutex;
 };