From f40e46957bea804287ca1925de2df531976e90dc Mon Sep 17 00:00:00 2001
From: AlessandroSigna <alesigna92@gmail.com>
Date: Tue, 10 Nov 2015 17:18:34 -0800
Subject: [PATCH 1/2] handControlledHead.js added

---
 .../avatarcontrol/handControlledHead.js       | 65 +++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 examples/example/avatarcontrol/handControlledHead.js

diff --git a/examples/example/avatarcontrol/handControlledHead.js b/examples/example/avatarcontrol/handControlledHead.js
new file mode 100644
index 0000000000..87c24e9a7e
--- /dev/null
+++ b/examples/example/avatarcontrol/handControlledHead.js
@@ -0,0 +1,65 @@
+// handControlledHead.js
+
+//This script allows you to look around, driving the rotation of the avatar's head by the right hand orientation.
+
+const YAW_MULTIPLIER = 20000;
+const PITCH_MULTIPLIER = 15000;
+const EPSILON = 0.001;
+var firstPress = true;
+var handPreviousVerticalRotation = 0.0;
+var handCurrentVerticalRotation = 0.0;
+var handPreviousHorizontalRotation = 0.0;
+var handCurrentHorizontalRotation = 0.0;
+var rotatedHandPosition;
+var rotatedTipPosition;
+
+function update(deltaTime) {
+    if(Controller.getValue(Controller.Standard.RightPrimaryThumb)){
+        pitchManager(deltaTime);
+    }else if(!firstPress){
+        firstPress = true;
+    }
+    if(firstPress && MyAvatar.headYaw){
+        MyAvatar.headYaw -= MyAvatar.headYaw/10;
+    }
+    
+}
+
+function pitchManager(deltaTime){
+    
+    rotatedHandPosition = Vec3.multiplyQbyV(Quat.fromPitchYawRollDegrees(0, -MyAvatar.bodyYaw, 0), MyAvatar.getRightHandPosition());
+    rotatedTipPosition = Vec3.multiplyQbyV(Quat.fromPitchYawRollDegrees(0, -MyAvatar.bodyYaw, 0), MyAvatar.getRightHandTipPosition());
+    
+    handCurrentVerticalRotation = Vec3.subtract(rotatedTipPosition, rotatedHandPosition).y;
+    handCurrentHorizontalRotation = Vec3.subtract(rotatedTipPosition, rotatedHandPosition).x;
+    
+    var handCurrentHorizontalRotationFiltered = handCurrentHorizontalRotation;
+   
+    //to avoid yaw drift
+    if((handCurrentHorizontalRotation - handPreviousHorizontalRotation) < EPSILON && (handCurrentHorizontalRotation - handPreviousHorizontalRotation) > -EPSILON){
+        handCurrentHorizontalRotationFiltered = handPreviousHorizontalRotation;
+    }
+    
+    if(firstPress){
+        handPreviousVerticalRotation = handCurrentVerticalRotation;
+        handPreviousHorizontalRotation = handCurrentHorizontalRotation;
+        firstPress = false;
+    }
+    
+    MyAvatar.headPitch += (handCurrentVerticalRotation - handPreviousVerticalRotation)*PITCH_MULTIPLIER*deltaTime;
+    MyAvatar.headYaw -= (handCurrentHorizontalRotationFiltered - handPreviousHorizontalRotation)*YAW_MULTIPLIER*deltaTime;
+    
+    
+    handPreviousVerticalRotation = handCurrentVerticalRotation;
+    handPreviousHorizontalRotation = handCurrentHorizontalRotationFiltered;
+    
+
+}
+
+function clean(){
+    MyAvatar.headYaw = 0.0;
+}
+
+
+Script.update.connect(update);
+Script.scriptEnding.connect(clean);
\ No newline at end of file

From e4b1b54e005384e5bc072824278e1a3bb9bebb46 Mon Sep 17 00:00:00 2001
From: AlessandroSigna <alesigna92@gmail.com>
Date: Wed, 11 Nov 2015 12:07:54 -0800
Subject: [PATCH 2/2] added header

---
 .../example/avatarcontrol/handControlledHead.js    | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/examples/example/avatarcontrol/handControlledHead.js b/examples/example/avatarcontrol/handControlledHead.js
index 87c24e9a7e..95ad1655ab 100644
--- a/examples/example/avatarcontrol/handControlledHead.js
+++ b/examples/example/avatarcontrol/handControlledHead.js
@@ -1,6 +1,14 @@
-// handControlledHead.js
-
-//This script allows you to look around, driving the rotation of the avatar's head by the right hand orientation.
+//
+//  handControlledHead.js
+//  examples
+//
+//  Created by Alessandro Signa on 10/11/15.
+//  Copyright 2015 High Fidelity, Inc.
+//
+//  This script allows you to look around, driving the rotation of the avatar's head by the right hand orientation.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
 
 const YAW_MULTIPLIER = 20000;
 const PITCH_MULTIPLIER = 15000;