From 88a312f992ffa39eb71b69a88fb69fc4d7f0869c Mon Sep 17 00:00:00 2001
From: "James B. Pollack" <jamesbradenpollack@gmail.com>
Date: Mon, 26 Oct 2015 16:28:18 -0700
Subject: [PATCH 01/12] add functional js library... mmm, curry

---
 examples/libraries/fjs.js        | 313 +++++++++++++++++++++++++++++++
 examples/libraries/fjsExample.js |   9 +
 2 files changed, 322 insertions(+)
 create mode 100644 examples/libraries/fjs.js
 create mode 100644 examples/libraries/fjsExample.js

diff --git a/examples/libraries/fjs.js b/examples/libraries/fjs.js
new file mode 100644
index 0000000000..738e9ae60f
--- /dev/null
+++ b/examples/libraries/fjs.js
@@ -0,0 +1,313 @@
+ loadFJS = function(){
+    return fjs();
+}
+
+var fjs = function() {
+    "use strict";
+
+    var fjs = {},
+        hardReturn = "hardReturn;";
+
+    var lambda = function(exp) {
+        if (!fjs.isString(exp)) {
+            return;
+        }
+
+        var parts = exp.match(/(.*)\s*[=-]>\s*(.*)/);
+        parts.shift();
+
+        var params = parts.shift()
+            .replace(/^\s*|\s(?=\s)|\s*$|,/g, "").split(" ");
+        var body = parts.shift();
+
+        parts = ((!/\s*return\s+/.test(body)) ? "return " : "") + body;
+        params.push(parts);
+
+        return Function.apply({}, params);
+    };
+
+    var sliceArgs = function(args) {
+        return args.length > 0 ? [].slice.call(args, 0) : [];
+    };
+
+    fjs.isFunction = function(obj) {
+        return !!(obj && obj.constructor && obj.call && obj.apply);
+    };
+
+    fjs.isObject = function(obj) {
+        return fjs.isFunction(obj) || (!!obj && typeof(obj) === "object");
+    };
+
+    fjs.isArray = function(obj) {
+        return Object.prototype.toString.call(obj) === "[object Array]";
+    };
+
+    var checkFunction = function(func) {
+        if (!fjs.isFunction(func)) {
+            func = lambda(func);
+            if (!fjs.isFunction(func)) {
+                throw "fjs Error: Invalid function";
+            }
+        }
+        return func;
+    };
+
+    fjs.curry = function(func) {
+        func = checkFunction(func);
+        return function inner() {
+            var _args = sliceArgs(arguments);
+            if (_args.length === func.length) {
+                return func.apply(null, _args);
+            } else if (_args.length > func.length) {
+                var initial = func.apply(null, _args);
+                return fjs.fold(func, initial, _args.slice(func.length));
+            } else {
+                return function() {
+                    var args = sliceArgs(arguments);
+                    return inner.apply(null, _args.concat(args));
+                };
+            }
+        };
+    };
+
+    fjs.each = fjs.curry(function(iterator, items) {
+        iterator = checkFunction(iterator);
+        if (!fjs.exists(items) || !fjs.isArray(items)) {
+            return;
+        }
+        for (var i = 0; i < items.length; i += 1) {
+            if (iterator.call(null, items[i], i) === hardReturn) {
+                return;
+            }
+        }
+    });
+
+    fjs.map = fjs.curry(function(iterator, items) {
+        iterator = checkFunction(iterator);
+        var mapped = [];
+        fjs.each(function() {
+            mapped.push(iterator.apply(null, arguments));
+        }, items);
+        return mapped;
+    });
+
+    fjs.fold = fjs.foldl = fjs.curry(function(iterator, cumulate, items) {
+        iterator = checkFunction(iterator);
+        fjs.each(function(item, i) {
+            cumulate = iterator.call(null, cumulate, item, i);
+        }, items);
+        return cumulate;
+    });
+
+    fjs.reduce = fjs.reducel = fjs.foldll = fjs.curry(function(iterator, items) {
+        iterator = checkFunction(iterator);
+        var cumulate = items[0];
+        items.shift();
+        return fjs.fold(iterator, cumulate, items);
+    });
+
+    fjs.clone = function(items) {
+        var clone = [];
+        fjs.each(function(item) {
+            clone.push(item);
+        }, items);
+        return clone;
+    };
+
+    fjs.first = fjs.head = fjs.take = fjs.curry(function(iterator, items) {
+        iterator = checkFunction(iterator);
+        var first;
+        fjs.each(function(item) {
+            if (iterator.call(null, item)) {
+                first = item;
+                return hardReturn;
+            }
+        }, items);
+        return first;
+    });
+
+    fjs.rest = fjs.tail = fjs.drop = fjs.curry(function(iterator, items) {
+        var result = fjs.select(iterator, items);
+        result.shift();
+        return result;
+    });
+
+    fjs.last = fjs.curry(function(iterator, items) {
+        var itemsClone = fjs.clone(items);
+        return fjs.first(iterator, itemsClone.reverse());
+    });
+
+    fjs.every = fjs.all = fjs.curry(function(iterator, items) {
+        iterator = checkFunction(iterator);
+        var isEvery = true;
+        fjs.each(function(item) {
+            if (!iterator.call(null, item)) {
+                isEvery = false;
+                return hardReturn;
+            }
+        }, items);
+        return isEvery;
+    });
+
+    fjs.any = fjs.contains = fjs.curry(function(iterator, items) {
+        iterator = checkFunction(iterator);
+        var isAny = false;
+        fjs.each(function(item) {
+            if (iterator.call(null, item)) {
+                isAny = true;
+                return hardReturn;
+            }
+        }, items);
+        return isAny;
+    });
+
+    fjs.select = fjs.filter = fjs.curry(function(iterator, items) {
+        iterator = checkFunction(iterator);
+        var filtered = [];
+        fjs.each(function(item) {
+            if (iterator.call(null, item)) {
+                filtered.push(item);
+            }
+        }, items);
+        return filtered;
+    });
+
+    fjs.best = fjs.curry(function(iterator, items) {
+        iterator = checkFunction(iterator);
+        var compare = function(arg1, arg2) {
+            return iterator.call(this, arg1, arg2) ?
+                arg1 : arg2;
+        };
+        return fjs.reduce(compare, items);
+    });
+
+    fjs._while = fjs.curry(function(iterator, items) {
+        iterator = checkFunction(iterator);
+        var result = [];
+        fjs.each(function(item) {
+            if (iterator.call(null, item)) {
+                result.push(item);
+            } else {
+                return hardReturn;
+            }
+        }, items);
+        return result;
+    });
+
+    fjs.compose = function(funcs) {
+        var anyInvalid = fjs.any(function(func) {
+            return !fjs.isFunction(func);
+        });
+        funcs = sliceArgs(arguments).reverse();
+        if (anyInvalid(funcs)) {
+            throw "fjs Error: Invalid function to compose";
+        }
+        return function() {
+            var args = arguments;
+            var applyEach = fjs.each(function(func) {
+                args = [func.apply(null, args)];
+            });
+            applyEach(funcs);
+            return args[0];
+        };
+    };
+
+    fjs.partition = fjs.curry(function(iterator, items) {
+        iterator = checkFunction(iterator);
+        var truthy = [],
+            falsy = [];
+        fjs.each(function(item) {
+            (iterator.call(null, item) ? truthy : falsy).push(item);
+        }, items);
+        return [truthy, falsy];
+    });
+
+    fjs.group = fjs.curry(function(iterator, items) {
+        iterator = checkFunction(iterator);
+        var result = {};
+        var group;
+        fjs.each(function(item) {
+            group = iterator.call(null, item);
+            result[group] = result[group] || [];
+            result[group].push(item);
+        }, items);
+        return result;
+    });
+
+    fjs.shuffle = function(items) {
+        var j, t;
+        fjs.each(function(item, i) {
+            j = Math.floor(Math.random() * (i + 1));
+            t = items[i];
+            items[i] = items[j];
+            items[j] = t;
+        }, items);
+        return items;
+    };
+
+    fjs.toArray = function(obj) {
+        return fjs.map(function(key) {
+            return [key, obj[key]];
+        }, Object.keys(obj));
+    };
+
+    fjs.apply = fjs.curry(function(func, items) {
+        var args = [];
+        if (fjs.isArray(func)) {
+            args = [].slice.call(func, 1);
+            func = func[0];
+        }
+        return fjs.map(function(item) {
+            return item[func].apply(item, args);
+        }, items);
+    });
+
+    fjs.assign = fjs.extend = fjs.curry(function(obj1, obj2) {
+        fjs.each(function(key) {
+            obj2[key] = obj1[key];
+        }, Object.keys(obj1));
+        return obj2;
+    });
+
+    fjs.prop = function(prop) {
+        return function(obj) {
+            return obj[prop];
+        };
+    };
+
+    fjs.pluck = fjs.curry(function(prop, items) {
+        return fjs.map(fjs.prop(prop), items);
+    });
+
+    fjs.nub = fjs.unique = fjs.distinct = fjs.curry(function(comparator, items) {
+        var unique = items.length > 0 ? [items[0]] : [];
+
+        fjs.each(function(item) {
+            if (!fjs.any(fjs.curry(comparator)(item), unique)) {
+                unique[unique.length] = item;
+            }
+        }, items);
+
+        return unique;
+    });
+
+    fjs.exists = function(obj) {
+        return obj != null; // jshint ignore:line
+    };
+
+    fjs.truthy = function(obj) {
+        return fjs.exists(obj) && obj !== false;
+    };
+
+    fjs.falsy = function(obj) {
+        return !fjs.truthy(obj);
+    };
+
+    fjs.each(function(type) {
+        fjs["is" + type] = function(obj) {
+            return Object.prototype.toString.call(obj) === "[object " + type + "]";
+        };
+    }, ["Arguments", "Date", "Number", "RegExp", "String"]);
+
+    return fjs;
+}
\ No newline at end of file
diff --git a/examples/libraries/fjsExample.js b/examples/libraries/fjsExample.js
new file mode 100644
index 0000000000..486090a352
--- /dev/null
+++ b/examples/libraries/fjsExample.js
@@ -0,0 +1,9 @@
+Script.include('fjs.js');
+var fjs = loadFJS();
+
+var concatenate = fjs.curry(function(word1, word2) {
+    return word1 + " " + word2;
+});
+var concatenateHello = concatenate("Hello");
+var hi = concatenateHello("World");
+print('anyone listenig?' + hi)
\ No newline at end of file

From a1cd4a31cbb2786684f7de47b7a65f16c7686606 Mon Sep 17 00:00:00 2001
From: "James B. Pollack" <jamesbradenpollack@gmail.com>
Date: Mon, 26 Oct 2015 16:41:03 -0700
Subject: [PATCH 02/12] fix typo

---
 examples/libraries/fjsExample.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/examples/libraries/fjsExample.js b/examples/libraries/fjsExample.js
index 486090a352..78960826fd 100644
--- a/examples/libraries/fjsExample.js
+++ b/examples/libraries/fjsExample.js
@@ -6,4 +6,4 @@ var concatenate = fjs.curry(function(word1, word2) {
 });
 var concatenateHello = concatenate("Hello");
 var hi = concatenateHello("World");
-print('anyone listenig?' + hi)
\ No newline at end of file
+print('anyone listening? ' + hi)
\ No newline at end of file

From d78fe089f64f7682e13c87cc8fc794b5b846196b Mon Sep 17 00:00:00 2001
From: "James B. Pollack" <jamesbradenpollack@gmail.com>
Date: Mon, 26 Oct 2015 17:00:54 -0700
Subject: [PATCH 03/12] add mit license

---
 examples/libraries/fjs.js | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/examples/libraries/fjs.js b/examples/libraries/fjs.js
index 738e9ae60f..f2e6c48f59 100644
--- a/examples/libraries/fjs.js
+++ b/examples/libraries/fjs.js
@@ -1,3 +1,31 @@
+/*
+
+http://functionaljs.com/
+
+https://github.com/leecrossley/functional-js/
+
+The MIT License (MIT)
+Copyright © 2015 Lee Crossley <leee@hotmail.co.uk>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the “Software”), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
  loadFJS = function(){
     return fjs();
 }

From 017e42bbc25478ab9ad8c1f733ea617ed42cccdf Mon Sep 17 00:00:00 2001
From: Brad Davis <bdavis@saintandreas.org>
Date: Mon, 2 Nov 2015 08:27:51 -0800
Subject: [PATCH 04/12] Update sixense SDK

---
 cmake/externals/sixense/CMakeLists.txt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/cmake/externals/sixense/CMakeLists.txt b/cmake/externals/sixense/CMakeLists.txt
index 07cf1c1163..8ae18e638a 100644
--- a/cmake/externals/sixense/CMakeLists.txt
+++ b/cmake/externals/sixense/CMakeLists.txt
@@ -6,8 +6,8 @@ string(TOUPPER ${EXTERNAL_NAME} EXTERNAL_NAME_UPPER)
 
 ExternalProject_Add(
   ${EXTERNAL_NAME}
-  URL http://hifi-public.s3.amazonaws.com/dependencies/SixenseSDK_071615.zip
-  URL_MD5 752a3901f334124e9cffc2ba4136ef7d
+  URL https://hifi-public.s3.amazonaws.com/dependencies/SixenseSDK_102215.zip
+  URL_MD5 93c3a6795cce777a0f472b09532935f1
   CONFIGURE_COMMAND ""
   BUILD_COMMAND ""
   INSTALL_COMMAND ""

From b00f572e1a278e4eadc7b0947fe867ebdf0658c5 Mon Sep 17 00:00:00 2001
From: Brad Hefta-Gaub <brad@highfidelity.io>
Date: Mon, 2 Nov 2015 09:21:15 -0800
Subject: [PATCH 05/12] add mouseClicked inputs vs mouseButton inputs, make
 right-click work without right button drag

---
 .../resources/controllers/keyboardMouse.json  | 19 +++++-----
 .../src/input-plugins/KeyboardMouseDevice.cpp | 37 +++++++++++++++----
 .../src/input-plugins/KeyboardMouseDevice.h   |  7 +++-
 3 files changed, 46 insertions(+), 17 deletions(-)

diff --git a/interface/resources/controllers/keyboardMouse.json b/interface/resources/controllers/keyboardMouse.json
index 8af6b1dc98..f99472b0e9 100644
--- a/interface/resources/controllers/keyboardMouse.json
+++ b/interface/resources/controllers/keyboardMouse.json
@@ -4,8 +4,8 @@
 
         { "from": "Keyboard.A", "when": "Keyboard.Shift", "to": "Actions.LATERAL_LEFT" },
         { "from": "Keyboard.D", "when": "Keyboard.Shift", "to": "Actions.LATERAL_RIGHT" },
-        { "from": "Keyboard.A", "when": "Keyboard.RightMouseClick", "to": "Actions.LATERAL_LEFT" },
-        { "from": "Keyboard.D", "when": "Keyboard.RightMouseClick", "to": "Actions.LATERAL_RIGHT" },
+        { "from": "Keyboard.A", "when": "Keyboard.RightMouseButton", "to": "Actions.LATERAL_LEFT" },
+        { "from": "Keyboard.D", "when": "Keyboard.RightMouseButton", "to": "Actions.LATERAL_RIGHT" },
         { "from": "Keyboard.E", "when": "Keyboard.Shift", "to": "Actions.BOOM_IN", "filters": [ { "type": "scale", "scale": 0.05 } ] },
         { "from": "Keyboard.C", "when": "Keyboard.Shift", "to": "Actions.BOOM_OUT", "filters": [ { "type": "scale", "scale": 0.05 } ] },
         { "from": "Keyboard.S", "when": "Keyboard.Shift", "to": "Actions.PITCH_DOWN" },
@@ -13,7 +13,7 @@
 
         
         { "from": { "makeAxis" : ["Keyboard.MouseMoveLeft", "Keyboard.MouseMoveRight"] },
-          "when": [ "Application.InHMD", "Application.ComfortMode", "Keyboard.RightMouseClick" ],
+          "when": [ "Application.InHMD", "Application.ComfortMode", "Keyboard.RightMouseButton" ],
           "to": "Actions.StepYaw",
           "filters":
             [
@@ -46,7 +46,7 @@
         },
 
         { "from": { "makeAxis" : ["Keyboard.MouseMoveLeft", "Keyboard.MouseMoveRight"] },
-          "when": "Keyboard.RightMouseClick",
+          "when": "Keyboard.RightMouseButton",
           "to": "Actions.Yaw"
         },
 
@@ -55,8 +55,8 @@
         { "from": "Keyboard.C", "to": "Actions.VERTICAL_DOWN" },
         { "from": "Keyboard.E", "to": "Actions.VERTICAL_UP" },
 
-        { "from": "Keyboard.Left", "when": "Keyboard.RightMouseClick", "to": "Actions.LATERAL_LEFT" },
-        { "from": "Keyboard.Right", "when": "Keyboard.RightMouseClick", "to": "Actions.LATERAL_RIGHT" },
+        { "from": "Keyboard.Left", "when": "Keyboard.RightMouseButton", "to": "Actions.LATERAL_LEFT" },
+        { "from": "Keyboard.Right", "when": "Keyboard.RightMouseButton", "to": "Actions.LATERAL_RIGHT" },
         { "from": "Keyboard.Left", "when": "Keyboard.Shift", "to": "Actions.LATERAL_LEFT" },
         { "from": "Keyboard.Right", "when": "Keyboard.Shift", "to": "Actions.LATERAL_RIGHT" },
         { "from": "Keyboard.Down", "when": "Keyboard.Shift", "to": "Actions.PITCH_DOWN" },
@@ -68,8 +68,8 @@
         { "from": "Keyboard.PgDown", "to": "Actions.VERTICAL_DOWN" },
         { "from": "Keyboard.PgUp", "to": "Actions.VERTICAL_UP" },
 
-        { "from": "Keyboard.MouseMoveUp", "when": "Keyboard.RightMouseClick", "to": "Actions.PITCH_UP" },
-        { "from": "Keyboard.MouseMoveDown", "when": "Keyboard.RightMouseClick", "to": "Actions.PITCH_DOWN" },
+        { "from": "Keyboard.MouseMoveUp", "when": "Keyboard.RightMouseButton", "to": "Actions.PITCH_UP" },
+        { "from": "Keyboard.MouseMoveDown", "when": "Keyboard.RightMouseButton", "to": "Actions.PITCH_DOWN" },
 
         { "from": "Keyboard.TouchpadDown", "to": "Actions.PITCH_DOWN" },
         { "from": "Keyboard.TouchpadUp", "to": "Actions.PITCH_UP" },
@@ -81,6 +81,7 @@
 
         { "from": "Keyboard.Space", "to": "Actions.SHIFT" },
         { "from": "Keyboard.R", "to": "Actions.ACTION1" },
-        { "from": "Keyboard.T", "to": "Actions.ACTION2" }
+        { "from": "Keyboard.T", "to": "Actions.ACTION2" },
+        { "from": "Keyboard.RightMouseClicked", "to": "Actions.ContextMenu" }
     ]
 }
diff --git a/libraries/input-plugins/src/input-plugins/KeyboardMouseDevice.cpp b/libraries/input-plugins/src/input-plugins/KeyboardMouseDevice.cpp
index 9cd510c521..42081aca30 100755
--- a/libraries/input-plugins/src/input-plugins/KeyboardMouseDevice.cpp
+++ b/libraries/input-plugins/src/input-plugins/KeyboardMouseDevice.cpp
@@ -59,11 +59,25 @@ void KeyboardMouseDevice::mousePressEvent(QMouseEvent* event, unsigned int devic
         // key pressed again ? without catching the release event ?
     }
     _lastCursor = event->pos();
+    _mousePressAt = event->pos();
+
+    eraseMouseClicked();
 }
 
 void KeyboardMouseDevice::mouseReleaseEvent(QMouseEvent* event, unsigned int deviceID) {
     auto input = makeInput((Qt::MouseButton) event->button());
     _buttonPressedMap.erase(input.getChannel());
+
+    if (_mousePressAt == event->pos()) {
+        auto input = makeInput((Qt::MouseButton) event->button(), true); // clicked
+        auto result = _buttonPressedMap.insert(input.getChannel());
+    }
+}
+
+void KeyboardMouseDevice::eraseMouseClicked() {
+    _buttonPressedMap.erase(makeInput(Qt::LeftButton, true).getChannel());
+    _buttonPressedMap.erase(makeInput(Qt::MiddleButton, true).getChannel());
+    _buttonPressedMap.erase(makeInput(Qt::RightButton, true).getChannel());
 }
 
 void KeyboardMouseDevice::mouseMoveEvent(QMouseEvent* event, unsigned int deviceID) {
@@ -77,6 +91,8 @@ void KeyboardMouseDevice::mouseMoveEvent(QMouseEvent* event, unsigned int device
     _axisStateMap[makeInput(MOUSE_AXIS_Y_NEG).getChannel()] = (currentMove.y() > 0 ? currentMove.y() : 0.0f);
 
     _lastCursor = currentPos;
+
+    eraseMouseClicked();
 }
 
 void KeyboardMouseDevice::wheelEvent(QWheelEvent* event) {
@@ -138,14 +154,17 @@ controller::Input KeyboardMouseDevice::makeInput(Qt::Key code) const {
     return controller::Input(_deviceID, shortCode, controller::ChannelType::BUTTON);
 }
 
-controller::Input KeyboardMouseDevice::makeInput(Qt::MouseButton code) const {
+controller::Input KeyboardMouseDevice::makeInput(Qt::MouseButton code, bool quickClicked) const {
     switch (code) {
         case Qt::LeftButton:
-            return controller::Input(_deviceID, MOUSE_BUTTON_LEFT, controller::ChannelType::BUTTON);
+            return controller::Input(_deviceID, quickClicked ? MOUSE_BUTTON_LEFT_QUICK_CLICK : 
+                                                MOUSE_BUTTON_LEFT, controller::ChannelType::BUTTON);
         case Qt::RightButton:
-            return controller::Input(_deviceID, MOUSE_BUTTON_RIGHT, controller::ChannelType::BUTTON);
+            return controller::Input(_deviceID, quickClicked ? MOUSE_BUTTON_RIGHT_QUICK_CLICK : 
+                                                MOUSE_BUTTON_RIGHT, controller::ChannelType::BUTTON);
         case Qt::MiddleButton:
-            return controller::Input(_deviceID, MOUSE_BUTTON_MIDDLE, controller::ChannelType::BUTTON);
+            return controller::Input(_deviceID, quickClicked ? MOUSE_BUTTON_MIDDLE_QUICK_CLICK : 
+                                                MOUSE_BUTTON_MIDDLE, controller::ChannelType::BUTTON);
         default:
             return controller::Input();
     };
@@ -182,9 +201,13 @@ controller::Input::NamedVector KeyboardMouseDevice::getAvailableInputs() const {
         availableInputs.append(Input::NamedPair(makeInput(Qt::Key_PageUp), QKeySequence(Qt::Key_PageUp).toString()));
         availableInputs.append(Input::NamedPair(makeInput(Qt::Key_PageDown), QKeySequence(Qt::Key_PageDown).toString()));
 
-        availableInputs.append(Input::NamedPair(makeInput(Qt::LeftButton), "LeftMouseClick"));
-        availableInputs.append(Input::NamedPair(makeInput(Qt::MiddleButton), "MiddleMouseClick"));
-        availableInputs.append(Input::NamedPair(makeInput(Qt::RightButton), "RightMouseClick"));
+        availableInputs.append(Input::NamedPair(makeInput(Qt::LeftButton), "LeftMouseButton"));
+        availableInputs.append(Input::NamedPair(makeInput(Qt::MiddleButton), "MiddleMouseButton"));
+        availableInputs.append(Input::NamedPair(makeInput(Qt::RightButton), "RightMouseButton"));
+
+        availableInputs.append(Input::NamedPair(makeInput(Qt::LeftButton, true), "LeftMouseClicked"));
+        availableInputs.append(Input::NamedPair(makeInput(Qt::MiddleButton, true), "MiddleMouseClicked"));
+        availableInputs.append(Input::NamedPair(makeInput(Qt::RightButton, true), "RightMouseClicked"));
 
         availableInputs.append(Input::NamedPair(makeInput(MOUSE_AXIS_X_POS), "MouseMoveRight"));
         availableInputs.append(Input::NamedPair(makeInput(MOUSE_AXIS_X_NEG), "MouseMoveLeft"));
diff --git a/libraries/input-plugins/src/input-plugins/KeyboardMouseDevice.h b/libraries/input-plugins/src/input-plugins/KeyboardMouseDevice.h
index 1ff77d2dce..75a1159b92 100644
--- a/libraries/input-plugins/src/input-plugins/KeyboardMouseDevice.h
+++ b/libraries/input-plugins/src/input-plugins/KeyboardMouseDevice.h
@@ -37,6 +37,9 @@ public:
         MOUSE_BUTTON_LEFT = KEYBOARD_LAST + 1,
         MOUSE_BUTTON_RIGHT,
         MOUSE_BUTTON_MIDDLE,
+        MOUSE_BUTTON_LEFT_QUICK_CLICK,
+        MOUSE_BUTTON_RIGHT_QUICK_CLICK,
+        MOUSE_BUTTON_MIDDLE_QUICK_CLICK,
     };
 
     enum MouseAxisChannel {
@@ -83,6 +86,7 @@ public:
     void mouseMoveEvent(QMouseEvent* event, unsigned int deviceID = 0);
     void mousePressEvent(QMouseEvent* event, unsigned int deviceID = 0);
     void mouseReleaseEvent(QMouseEvent* event, unsigned int deviceID = 0);
+    void eraseMouseClicked();
 
     void touchBeginEvent(const QTouchEvent* event);
     void touchEndEvent(const QTouchEvent* event);
@@ -92,7 +96,7 @@ public:
     
     // Let's make it easy for Qt because we assume we love Qt forever
     controller::Input makeInput(Qt::Key code) const;
-    controller::Input makeInput(Qt::MouseButton code) const;
+    controller::Input makeInput(Qt::MouseButton code, bool quickClicked = false) const;
     controller::Input makeInput(MouseAxisChannel axis) const;
     controller::Input makeInput(TouchAxisChannel axis) const;
     controller::Input makeInput(TouchButtonChannel button) const;
@@ -101,6 +105,7 @@ public:
 
 protected:
     QPoint _lastCursor;
+    QPoint _mousePressAt;
     glm::vec2 _lastTouch;
     bool _isTouching = false;
     

From c3a78ed151a60dd9530765e631f6270ca4e1b887 Mon Sep 17 00:00:00 2001
From: Brad Hefta-Gaub <brad@highfidelity.io>
Date: Mon, 2 Nov 2015 09:27:35 -0800
Subject: [PATCH 06/12] cleanup

---
 .../src/input-plugins/KeyboardMouseDevice.cpp        | 12 +++++++-----
 .../src/input-plugins/KeyboardMouseDevice.h          |  6 +++---
 2 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/libraries/input-plugins/src/input-plugins/KeyboardMouseDevice.cpp b/libraries/input-plugins/src/input-plugins/KeyboardMouseDevice.cpp
index 42081aca30..247e08ada1 100755
--- a/libraries/input-plugins/src/input-plugins/KeyboardMouseDevice.cpp
+++ b/libraries/input-plugins/src/input-plugins/KeyboardMouseDevice.cpp
@@ -68,9 +68,11 @@ void KeyboardMouseDevice::mouseReleaseEvent(QMouseEvent* event, unsigned int dev
     auto input = makeInput((Qt::MouseButton) event->button());
     _buttonPressedMap.erase(input.getChannel());
 
+    // if we pressed and released at the same location, then create a "_CLICKED" input for this button
+    // we might want to add some small tolerance to this so if you do a small drag it still counts as
+    // a clicked.
     if (_mousePressAt == event->pos()) {
-        auto input = makeInput((Qt::MouseButton) event->button(), true); // clicked
-        auto result = _buttonPressedMap.insert(input.getChannel());
+        _buttonPressedMap.insert(makeInput((Qt::MouseButton) event->button(), true).getChannel());
     }
 }
 
@@ -157,13 +159,13 @@ controller::Input KeyboardMouseDevice::makeInput(Qt::Key code) const {
 controller::Input KeyboardMouseDevice::makeInput(Qt::MouseButton code, bool quickClicked) const {
     switch (code) {
         case Qt::LeftButton:
-            return controller::Input(_deviceID, quickClicked ? MOUSE_BUTTON_LEFT_QUICK_CLICK : 
+            return controller::Input(_deviceID, quickClicked ? MOUSE_BUTTON_LEFT_CLICKED : 
                                                 MOUSE_BUTTON_LEFT, controller::ChannelType::BUTTON);
         case Qt::RightButton:
-            return controller::Input(_deviceID, quickClicked ? MOUSE_BUTTON_RIGHT_QUICK_CLICK : 
+            return controller::Input(_deviceID, quickClicked ? MOUSE_BUTTON_RIGHT_CLICKED :
                                                 MOUSE_BUTTON_RIGHT, controller::ChannelType::BUTTON);
         case Qt::MiddleButton:
-            return controller::Input(_deviceID, quickClicked ? MOUSE_BUTTON_MIDDLE_QUICK_CLICK : 
+            return controller::Input(_deviceID, quickClicked ? MOUSE_BUTTON_MIDDLE_CLICKED :
                                                 MOUSE_BUTTON_MIDDLE, controller::ChannelType::BUTTON);
         default:
             return controller::Input();
diff --git a/libraries/input-plugins/src/input-plugins/KeyboardMouseDevice.h b/libraries/input-plugins/src/input-plugins/KeyboardMouseDevice.h
index 75a1159b92..b6681e2ae0 100644
--- a/libraries/input-plugins/src/input-plugins/KeyboardMouseDevice.h
+++ b/libraries/input-plugins/src/input-plugins/KeyboardMouseDevice.h
@@ -37,9 +37,9 @@ public:
         MOUSE_BUTTON_LEFT = KEYBOARD_LAST + 1,
         MOUSE_BUTTON_RIGHT,
         MOUSE_BUTTON_MIDDLE,
-        MOUSE_BUTTON_LEFT_QUICK_CLICK,
-        MOUSE_BUTTON_RIGHT_QUICK_CLICK,
-        MOUSE_BUTTON_MIDDLE_QUICK_CLICK,
+        MOUSE_BUTTON_LEFT_CLICKED,
+        MOUSE_BUTTON_RIGHT_CLICKED,
+        MOUSE_BUTTON_MIDDLE_CLICKED,
     };
 
     enum MouseAxisChannel {

From d9dd045886fba3a416eda545a74a3be5bb5d55ad Mon Sep 17 00:00:00 2001
From: Brad Hefta-Gaub <brad@highfidelity.io>
Date: Mon, 2 Nov 2015 09:29:09 -0800
Subject: [PATCH 07/12] better parameter name

---
 .../src/input-plugins/KeyboardMouseDevice.cpp             | 8 ++++----
 .../input-plugins/src/input-plugins/KeyboardMouseDevice.h | 2 +-
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/libraries/input-plugins/src/input-plugins/KeyboardMouseDevice.cpp b/libraries/input-plugins/src/input-plugins/KeyboardMouseDevice.cpp
index 247e08ada1..2157a3a010 100755
--- a/libraries/input-plugins/src/input-plugins/KeyboardMouseDevice.cpp
+++ b/libraries/input-plugins/src/input-plugins/KeyboardMouseDevice.cpp
@@ -156,16 +156,16 @@ controller::Input KeyboardMouseDevice::makeInput(Qt::Key code) const {
     return controller::Input(_deviceID, shortCode, controller::ChannelType::BUTTON);
 }
 
-controller::Input KeyboardMouseDevice::makeInput(Qt::MouseButton code, bool quickClicked) const {
+controller::Input KeyboardMouseDevice::makeInput(Qt::MouseButton code, bool clicked) const {
     switch (code) {
         case Qt::LeftButton:
-            return controller::Input(_deviceID, quickClicked ? MOUSE_BUTTON_LEFT_CLICKED : 
+            return controller::Input(_deviceID, clicked ? MOUSE_BUTTON_LEFT_CLICKED :
                                                 MOUSE_BUTTON_LEFT, controller::ChannelType::BUTTON);
         case Qt::RightButton:
-            return controller::Input(_deviceID, quickClicked ? MOUSE_BUTTON_RIGHT_CLICKED :
+            return controller::Input(_deviceID, clicked ? MOUSE_BUTTON_RIGHT_CLICKED :
                                                 MOUSE_BUTTON_RIGHT, controller::ChannelType::BUTTON);
         case Qt::MiddleButton:
-            return controller::Input(_deviceID, quickClicked ? MOUSE_BUTTON_MIDDLE_CLICKED :
+            return controller::Input(_deviceID, clicked ? MOUSE_BUTTON_MIDDLE_CLICKED :
                                                 MOUSE_BUTTON_MIDDLE, controller::ChannelType::BUTTON);
         default:
             return controller::Input();
diff --git a/libraries/input-plugins/src/input-plugins/KeyboardMouseDevice.h b/libraries/input-plugins/src/input-plugins/KeyboardMouseDevice.h
index b6681e2ae0..5d86821db1 100644
--- a/libraries/input-plugins/src/input-plugins/KeyboardMouseDevice.h
+++ b/libraries/input-plugins/src/input-plugins/KeyboardMouseDevice.h
@@ -96,7 +96,7 @@ public:
     
     // Let's make it easy for Qt because we assume we love Qt forever
     controller::Input makeInput(Qt::Key code) const;
-    controller::Input makeInput(Qt::MouseButton code, bool quickClicked = false) const;
+    controller::Input makeInput(Qt::MouseButton code, bool clicked = false) const;
     controller::Input makeInput(MouseAxisChannel axis) const;
     controller::Input makeInput(TouchAxisChannel axis) const;
     controller::Input makeInput(TouchButtonChannel button) const;

From c381da24a7a7871bc9e7ccf6093979a6a08a27c1 Mon Sep 17 00:00:00 2001
From: Seth Alves <seth.alves@gmail.com>
Date: Mon, 2 Nov 2015 10:42:06 -0800
Subject: [PATCH 08/12] get interface building on my linux box

---
 libraries/gl/src/gl/GlWindow.h                       |  2 +-
 .../oculusLegacy/src/OculusLegacyDisplayPlugin.cpp   | 12 ++++++------
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/libraries/gl/src/gl/GlWindow.h b/libraries/gl/src/gl/GlWindow.h
index d62d891c12..4956177725 100644
--- a/libraries/gl/src/gl/GlWindow.h
+++ b/libraries/gl/src/gl/GlWindow.h
@@ -11,7 +11,7 @@
 #define hifi_GlWindow_h
 
 #include <mutex>
-#include <QWindow>
+#include <QtGui/QWindow>
 
 class QOpenGLContext;
 class QOpenGLDebugLogger;
diff --git a/plugins/oculusLegacy/src/OculusLegacyDisplayPlugin.cpp b/plugins/oculusLegacy/src/OculusLegacyDisplayPlugin.cpp
index d8dc3667ae..3898d586ad 100644
--- a/plugins/oculusLegacy/src/OculusLegacyDisplayPlugin.cpp
+++ b/plugins/oculusLegacy/src/OculusLegacyDisplayPlugin.cpp
@@ -9,15 +9,15 @@
 
 #include <memory>
 
-#include <QMainWindow>
-#include <QGLWidget>
+#include <QtWidgets/QMainWindow>
+#include <QtOpenGL/QGLWidget>
 #include <GLMHelpers.h>
 #include <gl/GlWindow.h>
 #include <QEvent>
-#include <QResizeEvent>
-#include <QOpenGLContext>
-#include <QGuiApplication>
-#include <QScreen>
+#include <QtGui/QResizeEvent>
+#include <QtGui/QOpenGLContext>
+#include <QtGui/QGuiApplication>
+#include <QtGui/QScreen>
 
 #include <PerfStat.h>
 #include <gl/OglplusHelpers.h>

From fd557c4e529ef06b36500d2e73d399bb38a103c9 Mon Sep 17 00:00:00 2001
From: Andrew Meadows <andrew@highfidelity.io>
Date: Fri, 30 Oct 2015 18:59:33 -0700
Subject: [PATCH 09/12] route HMD-following through the physics simulation

---
 interface/src/avatar/MyAvatar.cpp       | 191 +++++++++++-------------
 interface/src/avatar/MyAvatar.h         |  15 +-
 libraries/shared/src/AtRestDetector.cpp |  24 ++-
 libraries/shared/src/AtRestDetector.h   |  11 +-
 4 files changed, 125 insertions(+), 116 deletions(-)

diff --git a/interface/src/avatar/MyAvatar.cpp b/interface/src/avatar/MyAvatar.cpp
index 9dcd77c689..e3528f3287 100644
--- a/interface/src/avatar/MyAvatar.cpp
+++ b/interface/src/avatar/MyAvatar.cpp
@@ -157,6 +157,8 @@ void MyAvatar::reset(bool andReload) {
     // Reset dynamic state.
     _wasPushing = _isPushing = _isBraking = _billboardValid = false;
     _isFollowingHMD = false;
+    _hmdFollowVelocity = Vectors::ZERO;
+    _hmdFollowSpeed = 0.0f;
     _skeletonModel.reset();
     getHead()->reset();
     _targetVelocity = glm::vec3(0.0f);
@@ -332,25 +334,6 @@ glm::mat4 MyAvatar::getSensorToWorldMatrix() const {
     return _sensorToWorldMatrix;
 }
 
-// returns true if pos is OUTSIDE of the vertical capsule
-// where the middle cylinder length is defined by capsuleLen and the radius by capsuleRad.
-static bool pointIsOutsideCapsule(const glm::vec3& pos, float capsuleLen, float capsuleRad) {
-    const float halfCapsuleLen = capsuleLen / 2.0f;
-    if (fabs(pos.y) <= halfCapsuleLen) {
-        // cylinder check for middle capsule
-        glm::vec2 horizPos(pos.x, pos.z);
-        return glm::length(horizPos) > capsuleRad;
-    } else if (pos.y > halfCapsuleLen) {
-        glm::vec3 center(0.0f, halfCapsuleLen, 0.0f);
-        return glm::length(center - pos) > capsuleRad;
-    } else if (pos.y < halfCapsuleLen) {
-        glm::vec3 center(0.0f, -halfCapsuleLen, 0.0f);
-        return glm::length(center - pos) > capsuleRad;
-    } else {
-        return false;
-    }
-}
-
 // Pass a recent sample of the HMD to the avatar.
 // This can also update the avatar's position to follow the HMD
 // as it moves through the world.
@@ -359,102 +342,58 @@ void MyAvatar::updateFromHMDSensorMatrix(const glm::mat4& hmdSensorMatrix) {
     _hmdSensorMatrix = hmdSensorMatrix;
     _hmdSensorPosition = extractTranslation(hmdSensorMatrix);
     _hmdSensorOrientation = glm::quat_cast(hmdSensorMatrix);
+}
 
-    // calc deltaTime
-    auto now = usecTimestampNow();
-    auto deltaUsecs = now - _lastUpdateFromHMDTime;
-    _lastUpdateFromHMDTime = now;
-    double actualDeltaTime = (double)deltaUsecs / (double)USECS_PER_SECOND;
-    const float BIGGEST_DELTA_TIME_SECS = 0.25f;
-    float deltaTime = glm::clamp((float)actualDeltaTime, 0.0f, BIGGEST_DELTA_TIME_SECS);
-
-    bool hmdIsAtRest = _hmdAtRestDetector.update(deltaTime, _hmdSensorPosition, _hmdSensorOrientation);
-
-    // It can be more accurate/smooth to use velocity rather than position,
-    // but some modes (e.g., hmd standing) update position without updating velocity.
-    // So, let's create our own workingVelocity from the worldPosition...
-    glm::vec3 positionDelta = getPosition() - _lastPosition;
-    glm::vec3 workingVelocity = positionDelta / deltaTime;
-    _lastPosition = getPosition();
-
-    const float MOVE_ENTER_SPEED_THRESHOLD = 0.2f; // m/sec
-    const float MOVE_EXIT_SPEED_THRESHOLD = 0.07f;  // m/sec
+void MyAvatar::updateHMDFollowVelocity() {
     bool isMoving;
     if (_lastIsMoving) {
-        isMoving = glm::length(workingVelocity) >= MOVE_EXIT_SPEED_THRESHOLD;
+        const float MOVE_EXIT_SPEED_THRESHOLD = 0.07f;  // m/sec
+        isMoving = glm::length(_velocity) >= MOVE_EXIT_SPEED_THRESHOLD;
     } else {
-        isMoving = glm::length(workingVelocity) > MOVE_ENTER_SPEED_THRESHOLD;
+        const float MOVE_ENTER_SPEED_THRESHOLD = 0.2f; // m/sec
+        isMoving = glm::length(_velocity) > MOVE_ENTER_SPEED_THRESHOLD;
     }
 
     bool justStartedMoving = (_lastIsMoving != isMoving) && isMoving;
     _lastIsMoving = isMoving;
 
-    if (shouldFollowHMD() || hmdIsAtRest || justStartedMoving) {
-        beginFollowingHMD();
-    }
-
-    followHMD(deltaTime);
-}
-
-glm::vec3 MyAvatar::getHMDCorrectionVelocity() const {
-    // TODO: impelement this
-    return Vectors::ZERO;
-}
-
-void MyAvatar::beginFollowingHMD() {
-    // begin homing toward derived body position.
-    if (!_isFollowingHMD) {
+    bool hmdIsAtRest = _hmdAtRestDetector.update(_hmdSensorPosition, _hmdSensorOrientation);
+    if (hmdIsAtRest || justStartedMoving) {
         _isFollowingHMD = true;
-        _followHMDAlpha = 0.0f;
     }
-}
 
-bool MyAvatar::shouldFollowHMD() const {
-    if (!_isFollowingHMD) {
-        // define a vertical capsule
-        const float FOLLOW_HMD_CAPSULE_RADIUS = 0.2f;  // meters
-        const float FOLLOW_HMD_CAPSULE_LENGTH = 0.05f;  // length of the cylinder part of the capsule in meters.
-    
-        // detect if the derived body position is outside of a capsule around the _bodySensorMatrix
-        auto newBodySensorMatrix = deriveBodyFromHMDSensor();
-        glm::vec3 localPoint = extractTranslation(newBodySensorMatrix) - extractTranslation(_bodySensorMatrix);
-        return pointIsOutsideCapsule(localPoint, FOLLOW_HMD_CAPSULE_LENGTH, FOLLOW_HMD_CAPSULE_RADIUS);
+    // compute offset to body's target position (in sensor-frame)
+    auto sensorBodyMatrix = deriveBodyFromHMDSensor();
+    _hmdFollowOffset = extractTranslation(sensorBodyMatrix) - extractTranslation(_bodySensorMatrix);
+    if (_hmdFollowOffset.y < 0.0f) {
+        // don't pull the body DOWN to match the target (allow animation system to squat)
+        _hmdFollowOffset.y = 0.0f;
     }
-    return false;
-}
 
-void MyAvatar::followHMD(float deltaTime) {
-    if (_isFollowingHMD) {
-
-        const float FOLLOW_HMD_DURATION = 0.5f;  // seconds
-
-        auto newBodySensorMatrix = deriveBodyFromHMDSensor();
-        auto worldBodyMatrix = _sensorToWorldMatrix * newBodySensorMatrix;
-        glm::vec3 worldBodyPos = extractTranslation(worldBodyMatrix);
-        glm::quat worldBodyRot = glm::normalize(glm::quat_cast(worldBodyMatrix));
-
-        _followHMDAlpha += (1.0f / FOLLOW_HMD_DURATION) * deltaTime;
-
-        if (_followHMDAlpha >= 1.0f) {
-            _isFollowingHMD = false;
-            nextAttitude(worldBodyPos, worldBodyRot);
-            _bodySensorMatrix = newBodySensorMatrix;
-        } else {
-            // interp position toward the desired pos
-            glm::vec3 pos = lerp(getPosition(), worldBodyPos, _followHMDAlpha);
-            glm::quat rot = glm::normalize(safeMix(getOrientation(), worldBodyRot, _followHMDAlpha));
-            nextAttitude(pos, rot);
-
-            // interp sensor matrix toward desired
-            glm::vec3 nextBodyPos = extractTranslation(newBodySensorMatrix);
-            glm::quat nextBodyRot = glm::normalize(glm::quat_cast(newBodySensorMatrix));
-            glm::vec3 prevBodyPos = extractTranslation(_bodySensorMatrix);
-            glm::quat prevBodyRot = glm::normalize(glm::quat_cast(_bodySensorMatrix));
-            pos = lerp(prevBodyPos, nextBodyPos, _followHMDAlpha);
-            rot = glm::normalize(safeMix(prevBodyRot, nextBodyRot, _followHMDAlpha));
-            _bodySensorMatrix = createMatFromQuatAndPos(rot, pos);
+    bool needNewFollowSpeed = (_isFollowingHMD && _hmdFollowSpeed == 0.0f);
+    if (!needNewFollowSpeed) {
+        // check to see if offset has exceeded its threshold
+        float distance = glm::length(_hmdFollowOffset);
+        const float MAX_HMD_HIP_SHIFT = 0.2f;
+        if (distance > MAX_HMD_HIP_SHIFT) {
+            _isFollowingHMD = true;
+            needNewFollowSpeed = true;
         }
     }
+    if (_isFollowingHMD) {
+        // only bother to rotate into world frame if we're following
+        glm::quat sensorToWorldRotation = extractRotation(_sensorToWorldMatrix);
+        _hmdFollowOffset = sensorToWorldRotation * _hmdFollowOffset;
+    }
+    if (needNewFollowSpeed) {
+        // compute new velocity that will be used to resolve offset of hips from body
+        const float FOLLOW_HMD_DURATION = 0.5f;  // seconds
+        _hmdFollowVelocity = (_hmdFollowOffset / FOLLOW_HMD_DURATION);
+        _hmdFollowSpeed = glm::length(_hmdFollowVelocity);
+    } else if (_isFollowingHMD) {
+        // compute new velocity (but not new speed)
+        _hmdFollowVelocity = _hmdFollowSpeed * glm::normalize(_hmdFollowOffset);
+    }
 }
 
 // best called at end of main loop, just before rendering.
@@ -1356,7 +1295,8 @@ void MyAvatar::prepareForPhysicsSimulation() {
     relayDriveKeysToCharacterController();
     _characterController.setTargetVelocity(getTargetVelocity());
     _characterController.setAvatarPositionAndOrientation(getPosition(), getOrientation());
-    _characterController.setHMDVelocity(getHMDCorrectionVelocity());
+    updateHMDFollowVelocity();
+    _characterController.setHMDVelocity(_hmdFollowVelocity);
 }   
 
 void MyAvatar::harvestResultsFromPhysicsSimulation() {
@@ -1364,9 +1304,54 @@ void MyAvatar::harvestResultsFromPhysicsSimulation() {
     glm::quat orientation = getOrientation();
     _characterController.getAvatarPositionAndOrientation(position, orientation);
     nextAttitude(position, orientation);
-    setVelocity(_characterController.getLinearVelocity());
-    // TODO: harvest HMD shift here
-    //glm::vec3 hmdShift = _characterController.getHMDShift();
+    if (_isFollowingHMD) {
+        setVelocity(_characterController.getLinearVelocity() + _hmdFollowVelocity);
+        glm::vec3 hmdShift = _characterController.getHMDShift();
+        adjustSensorTransform(hmdShift);
+    } else {
+        setVelocity(_characterController.getLinearVelocity());
+    }
+}
+
+void MyAvatar::adjustSensorTransform(glm::vec3 hmdShift) {
+    // compute blendFactor of latest hmdShift
+    // which we'll use to blend the rotation part
+    float blendFactor = 1.0f;
+    float shiftLength = glm::length(hmdShift);
+    if (shiftLength > 1.0e-5f) {
+        float offsetLength = glm::length(_hmdFollowOffset);
+        if (offsetLength > shiftLength) {
+            blendFactor = shiftLength / offsetLength;
+        }
+    }
+
+    auto newBodySensorMatrix = deriveBodyFromHMDSensor();
+    auto worldBodyMatrix = _sensorToWorldMatrix * newBodySensorMatrix;
+    glm::quat finalBodyRotation = glm::normalize(glm::quat_cast(worldBodyMatrix));
+    if (blendFactor >= 0.99f) {
+        // the "adjustment" is more or less complete so stop following
+        _isFollowingHMD = false;
+        _hmdFollowSpeed = 0.0f;
+        // and slam the body's transform anyway to eliminate any slight errors
+        glm::vec3 finalBodyPosition = extractTranslation(worldBodyMatrix);
+        nextAttitude(finalBodyPosition, finalBodyRotation);
+        _bodySensorMatrix = newBodySensorMatrix;
+    } else {
+        // physics already did the positional blending for us
+        glm::vec3 newBodyPosition = getPosition(); 
+        // but the rotational part must be done manually
+        glm::quat newBodyRotation = glm::normalize(safeMix(getOrientation(), finalBodyRotation, blendFactor));
+        nextAttitude(newBodyPosition, newBodyRotation);
+
+        // interp sensor matrix toward the desired
+        glm::vec3 prevPosition = extractTranslation(_bodySensorMatrix);
+        glm::quat prevRotation = glm::normalize(glm::quat_cast(_bodySensorMatrix));
+        glm::vec3 nextPosition = extractTranslation(newBodySensorMatrix);
+        glm::quat nextRotation = glm::normalize(glm::quat_cast(newBodySensorMatrix));
+        _bodySensorMatrix = createMatFromQuatAndPos(
+                glm::normalize(safeMix(prevRotation, nextRotation, blendFactor)),
+                lerp(prevPosition, nextPosition, blendFactor));
+    }
 }
 
 QString MyAvatar::getScriptedMotorFrame() const {
diff --git a/interface/src/avatar/MyAvatar.h b/interface/src/avatar/MyAvatar.h
index 38c2c00382..ec33d22d8d 100644
--- a/interface/src/avatar/MyAvatar.h
+++ b/interface/src/avatar/MyAvatar.h
@@ -101,8 +101,6 @@ public:
     // as it moves through the world.
     void updateFromHMDSensorMatrix(const glm::mat4& hmdSensorMatrix);
 
-    glm::vec3 getHMDCorrectionVelocity() const;
-
     // best called at end of main loop, just before rendering.
     // update sensor to world matrix from current body position and hmd sensor.
     // This is so the correct camera can be used for rendering.
@@ -211,6 +209,7 @@ public:
 
     void prepareForPhysicsSimulation();
     void harvestResultsFromPhysicsSimulation();
+    void adjustSensorTransform(glm::vec3 hmdShift);
 
     const QString& getCollisionSoundURL() { return _collisionSoundURL; }
     void setCollisionSoundURL(const QString& url);
@@ -316,9 +315,10 @@ private:
     const RecorderPointer getRecorder() const { return _recorder; }
     const PlayerPointer getPlayer() const { return _player; }
 
-    void beginFollowingHMD();
-    bool shouldFollowHMD() const;
-    void followHMD(float deltaTime);
+    //void beginFollowingHMD();
+    //bool shouldFollowHMD() const;
+    //void followHMD(float deltaTime);
+    void updateHMDFollowVelocity();
 
     bool cameraInsideHead() const;
 
@@ -395,6 +395,9 @@ private:
 
     // used to transform any sensor into world space, including the _hmdSensorMat, or hand controllers.
     glm::mat4 _sensorToWorldMatrix;
+    glm::vec3 _hmdFollowOffset { Vectors::ZERO };
+    glm::vec3 _hmdFollowVelocity { Vectors::ZERO };
+    float _hmdFollowSpeed { 0.0f };
 
     bool _goToPending;
     glm::vec3 _goToPosition;
@@ -415,9 +418,7 @@ private:
     bool _isFollowingHMD { false };
     float _followHMDAlpha { 0.0f };
 
-    quint64 _lastUpdateFromHMDTime { usecTimestampNow() };
     AtRestDetector _hmdAtRestDetector;
-    glm::vec3 _lastPosition;
     bool _lastIsMoving { false };
     quint64 _lastStepPulse { 0 };
     bool _pulseUpdate { false };
diff --git a/libraries/shared/src/AtRestDetector.cpp b/libraries/shared/src/AtRestDetector.cpp
index 5e623a005c..799450df94 100644
--- a/libraries/shared/src/AtRestDetector.cpp
+++ b/libraries/shared/src/AtRestDetector.cpp
@@ -1,5 +1,19 @@
+//
+//  AtRestDetector.cpp
+//  libraries/shared/src
+//
+//  Created by Anthony Thibault on 10/6/2015
+//  Copyright 2015 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
 #include "AtRestDetector.h"
+
+#include "NumericalConstants.h"
 #include "SharedLogging.h"
+#include "SharedUtil.h"
 
 AtRestDetector::AtRestDetector(const glm::vec3& startPosition, const glm::quat& startRotation) {
     reset(startPosition, startRotation);
@@ -12,9 +26,14 @@ void AtRestDetector::reset(const glm::vec3& startPosition, const glm::quat& star
     glm::quat ql = glm::log(startRotation);
     _quatLogAverage = glm::vec3(ql.x, ql.y, ql.z);
     _quatLogVariance = 0.0f;
+    _lastUpdateTime = usecTimestampNow();
+    _isAtRest = false;
 }
 
-bool AtRestDetector::update(float dt, const glm::vec3& position, const glm::quat& rotation) {
+bool AtRestDetector::update(const glm::vec3& position, const glm::quat& rotation) {
+    uint64_t now = usecTimestampNow(); 
+    float dt = (float)(_lastUpdateTime - now) / (float)USECS_PER_SECOND;
+    _lastUpdateTime = now;
     const float TAU = 1.0f;
     float delta = glm::min(dt / TAU, 1.0f);
 
@@ -37,5 +56,6 @@ bool AtRestDetector::update(float dt, const glm::vec3& position, const glm::quat
     const float POSITION_VARIANCE_THRESHOLD = 0.001f;
     const float QUAT_LOG_VARIANCE_THRESHOLD = 0.00002f;
 
-    return _positionVariance < POSITION_VARIANCE_THRESHOLD && _quatLogVariance < QUAT_LOG_VARIANCE_THRESHOLD;
+    _isAtRest = _positionVariance < POSITION_VARIANCE_THRESHOLD && _quatLogVariance < QUAT_LOG_VARIANCE_THRESHOLD;
+    return _isAtRest;
 }
diff --git a/libraries/shared/src/AtRestDetector.h b/libraries/shared/src/AtRestDetector.h
index d82e54a692..525156de65 100644
--- a/libraries/shared/src/AtRestDetector.h
+++ b/libraries/shared/src/AtRestDetector.h
@@ -21,14 +21,17 @@ public:
     void reset(const glm::vec3& startPosition, const glm::quat& startRotation);
 
     // returns true if object is at rest, dt in assumed to be seconds.
-    bool update(float dt, const glm::vec3& position, const glm::quat& startRotation);
+    bool update(const glm::vec3& position, const glm::quat& startRotation);
+
+    bool isAtRest() const { return _isAtRest; }
 
 protected:
     glm::vec3 _positionAverage;
-    float _positionVariance;
-
     glm::vec3 _quatLogAverage;
-    float _quatLogVariance;
+    uint64_t _lastUpdateTime { 0 };
+    float _positionVariance { 0.0f };
+    float _quatLogVariance { 0.0f };
+    bool _isAtRest { false };
 };
 
 #endif

From 9799693135189f176e4b7009ac7143919328ecde Mon Sep 17 00:00:00 2001
From: Andrew Meadows <andrew@highfidelity.io>
Date: Mon, 2 Nov 2015 09:17:51 -0800
Subject: [PATCH 10/12] remove extra whitespace

---
 interface/src/avatar/MyAvatar.cpp       | 10 +++++-----
 libraries/shared/src/AtRestDetector.cpp |  2 +-
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/interface/src/avatar/MyAvatar.cpp b/interface/src/avatar/MyAvatar.cpp
index e3528f3287..95a494e4fd 100644
--- a/interface/src/avatar/MyAvatar.cpp
+++ b/interface/src/avatar/MyAvatar.cpp
@@ -250,7 +250,7 @@ void MyAvatar::simulate(float deltaTime) {
     {
         PerformanceTimer perfTimer("transform");
         bool stepAction = false;
-        // When there are no step values, we zero out the last step pulse. 
+        // When there are no step values, we zero out the last step pulse.
         // This allows a user to do faster snapping by tapping a control
         for (int i = STEP_TRANSLATE_X; !stepAction && i <= STEP_YAW; ++i) {
             if (_driveKeys[i] != 0.0f) {
@@ -1297,7 +1297,7 @@ void MyAvatar::prepareForPhysicsSimulation() {
     _characterController.setAvatarPositionAndOrientation(getPosition(), getOrientation());
     updateHMDFollowVelocity();
     _characterController.setHMDVelocity(_hmdFollowVelocity);
-}   
+}
 
 void MyAvatar::harvestResultsFromPhysicsSimulation() {
     glm::vec3 position = getPosition();
@@ -1338,7 +1338,7 @@ void MyAvatar::adjustSensorTransform(glm::vec3 hmdShift) {
         _bodySensorMatrix = newBodySensorMatrix;
     } else {
         // physics already did the positional blending for us
-        glm::vec3 newBodyPosition = getPosition(); 
+        glm::vec3 newBodyPosition = getPosition();
         // but the rotational part must be done manually
         glm::quat newBodyRotation = glm::normalize(safeMix(getOrientation(), finalBodyRotation, blendFactor));
         nextAttitude(newBodyPosition, newBodyRotation);
@@ -1453,7 +1453,7 @@ void MyAvatar::renderBody(RenderArgs* renderArgs, ViewFrustum* renderFrustum, fl
         getHead()->renderLookAts(renderArgs);
     }
 
-    if (renderArgs->_renderMode != RenderArgs::SHADOW_RENDER_MODE && 
+    if (renderArgs->_renderMode != RenderArgs::SHADOW_RENDER_MODE &&
             Menu::getInstance()->isOptionChecked(MenuOption::DisplayHandTargets)) {
         getHand()->renderHandTargets(renderArgs, true);
     }
@@ -1932,7 +1932,7 @@ void MyAvatar::updateMotionBehaviorFromMenu() {
         QMetaObject::invokeMethod(this, "updateMotionBehaviorFromMenu");
         return;
     }
-    
+
     Menu* menu = Menu::getInstance();
     if (menu->isOptionChecked(MenuOption::KeyboardMotorControl)) {
         _motionBehaviors |= AVATAR_MOTION_KEYBOARD_MOTOR_ENABLED;
diff --git a/libraries/shared/src/AtRestDetector.cpp b/libraries/shared/src/AtRestDetector.cpp
index 799450df94..d790e2b066 100644
--- a/libraries/shared/src/AtRestDetector.cpp
+++ b/libraries/shared/src/AtRestDetector.cpp
@@ -31,7 +31,7 @@ void AtRestDetector::reset(const glm::vec3& startPosition, const glm::quat& star
 }
 
 bool AtRestDetector::update(const glm::vec3& position, const glm::quat& rotation) {
-    uint64_t now = usecTimestampNow(); 
+    uint64_t now = usecTimestampNow();
     float dt = (float)(_lastUpdateTime - now) / (float)USECS_PER_SECOND;
     _lastUpdateTime = now;
     const float TAU = 1.0f;

From a545d770d888f12b42dbde32df275783afb02236 Mon Sep 17 00:00:00 2001
From: "U-GAPOS\\andrew" <andrew@highfidelity.io>
Date: Mon, 2 Nov 2015 11:06:17 -0800
Subject: [PATCH 11/12] fix bug preventing avatar motion in 2D mode

---
 interface/src/avatar/MyAvatar.cpp | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/interface/src/avatar/MyAvatar.cpp b/interface/src/avatar/MyAvatar.cpp
index 95a494e4fd..3bf1b79902 100644
--- a/interface/src/avatar/MyAvatar.cpp
+++ b/interface/src/avatar/MyAvatar.cpp
@@ -1295,8 +1295,13 @@ void MyAvatar::prepareForPhysicsSimulation() {
     relayDriveKeysToCharacterController();
     _characterController.setTargetVelocity(getTargetVelocity());
     _characterController.setAvatarPositionAndOrientation(getPosition(), getOrientation());
-    updateHMDFollowVelocity();
-    _characterController.setHMDVelocity(_hmdFollowVelocity);
+    if (qApp->isHMDMode()) {
+        updateHMDFollowVelocity();
+        _characterController.setHMDVelocity(_hmdFollowVelocity);
+    } else {
+        _characterController.setHMDVelocity(Vectors::ZERO);
+        _isFollowingHMD = false;
+    }
 }
 
 void MyAvatar::harvestResultsFromPhysicsSimulation() {

From a77f888f1574589f802daa62b373499858e5d7cb Mon Sep 17 00:00:00 2001
From: "U-GAPOS\\andrew" <andrew@highfidelity.io>
Date: Mon, 2 Nov 2015 11:29:17 -0800
Subject: [PATCH 12/12] more correct HMD offset correction velocity

---
 interface/src/avatar/MyAvatar.cpp | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/interface/src/avatar/MyAvatar.cpp b/interface/src/avatar/MyAvatar.cpp
index 3bf1b79902..00870c62c6 100644
--- a/interface/src/avatar/MyAvatar.cpp
+++ b/interface/src/avatar/MyAvatar.cpp
@@ -365,15 +365,16 @@ void MyAvatar::updateHMDFollowVelocity() {
     // compute offset to body's target position (in sensor-frame)
     auto sensorBodyMatrix = deriveBodyFromHMDSensor();
     _hmdFollowOffset = extractTranslation(sensorBodyMatrix) - extractTranslation(_bodySensorMatrix);
-    if (_hmdFollowOffset.y < 0.0f) {
+    glm::vec3 truncatedOffset = _hmdFollowOffset;
+    if (truncatedOffset.y < 0.0f) {
         // don't pull the body DOWN to match the target (allow animation system to squat)
-        _hmdFollowOffset.y = 0.0f;
+        truncatedOffset.y = 0.0f;
     }
 
     bool needNewFollowSpeed = (_isFollowingHMD && _hmdFollowSpeed == 0.0f);
     if (!needNewFollowSpeed) {
         // check to see if offset has exceeded its threshold
-        float distance = glm::length(_hmdFollowOffset);
+        float distance = glm::length(truncatedOffset);
         const float MAX_HMD_HIP_SHIFT = 0.2f;
         if (distance > MAX_HMD_HIP_SHIFT) {
             _isFollowingHMD = true;