From 1161f33b4502cbf51722a851a610878abf43b7f5 Mon Sep 17 00:00:00 2001
From: Seth Alves <seth.alves@gmail.com>
Date: Thu, 14 May 2015 20:25:29 -0700
Subject: [PATCH 1/2] laser-poiner script for mouse

---
 examples/pointer.js | 76 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 examples/pointer.js

diff --git a/examples/pointer.js b/examples/pointer.js
new file mode 100644
index 0000000000..2d7b601baa
--- /dev/null
+++ b/examples/pointer.js
@@ -0,0 +1,76 @@
+
+var lineEntityID = null;
+var lineIsRezzed = false;
+
+
+function nearLinePoint(targetPosition) {
+    var handPosition = MyAvatar.getRightPalmPosition();
+    var along = Vec3.subtract(targetPosition, handPosition);
+    along = Vec3.normalize(along);
+    along = Vec3.multiply(along, 0.4);
+    return Vec3.sum(handPosition, along);
+}
+
+
+function removeLine() {
+    if (lineIsRezzed) {
+        Entities.deleteEntity(lineEntityID);
+        lineEntityID = null;
+        lineIsRezzed = false;
+    }
+}
+
+
+function createOrUpdateLine(event) {
+    var pickRay = Camera.computePickRay(event.x, event.y);
+    var intersection = Entities.findRayIntersection(pickRay, true); // accurate picking
+
+    if (lineIsRezzed) {
+        Entities.editEntity(lineEntityID, {
+            position: nearLinePoint(intersection.intersection),
+            dimensions: Vec3.subtract(intersection.intersection, nearLinePoint(intersection.intersection)),
+            lifetime: 30 // renew lifetime
+    });
+
+    } else {
+        lineIsRezzed = true;
+        lineEntityID = Entities.addEntity({
+            type: "Line",
+            position: nearLinePoint(intersection.intersection),
+            dimensions: Vec3.subtract(intersection.intersection, nearLinePoint(intersection.intersection)),
+            color: { red: 255, green: 255, blue: 255 },
+            lifetime: 30 // if someone crashes while pointing, don't leave the line there forever.
+        });
+    }
+}
+
+
+function mousePressEvent(event) {
+    if (!event.isLeftButton) {
+        return;
+    }
+    if (lineIsRezzed) {
+        return;
+    }
+    createOrUpdateLine(event);
+    if (lineIsRezzed) {
+        Controller.mouseMoveEvent.connect(mouseMoveEvent);
+    }
+ }
+
+
+function mouseMoveEvent(event) {
+    createOrUpdateLine(event);
+}
+
+
+function mouseReleaseEvent() {
+    if (lineIsRezzed) {
+        Controller.mouseMoveEvent.disconnect(mouseMoveEvent);
+    }
+    removeLine();
+}
+
+
+Controller.mousePressEvent.connect(mousePressEvent);
+Controller.mouseReleaseEvent.connect(mouseReleaseEvent);

From e462617a6b39434fab68effbafb666e7f1aa001a Mon Sep 17 00:00:00 2001
From: Stephen Birarda <commit@birarda.com>
Date: Fri, 15 May 2015 10:29:24 -0700
Subject: [PATCH 2/2] add error log debug for script fail

---
 libraries/script-engine/src/ScriptCache.cpp | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/libraries/script-engine/src/ScriptCache.cpp b/libraries/script-engine/src/ScriptCache.cpp
index 5025d02918..8f854cfdc3 100644
--- a/libraries/script-engine/src/ScriptCache.cpp
+++ b/libraries/script-engine/src/ScriptCache.cpp
@@ -12,6 +12,7 @@
 #include <QCoreApplication>
 #include <QEventLoop>
 #include <QNetworkAccessManager>
+#include <QNetworkConfiguration>
 #include <QNetworkReply>
 #include <QObject>
 
@@ -35,7 +36,7 @@ QString ScriptCache::getScript(const QUrl& url, ScriptUser* scriptUser, bool& is
         isPending = true;
         bool alreadyWaiting = _scriptUsers.contains(url);
         _scriptUsers.insert(url, scriptUser);
-        
+
         if (alreadyWaiting) {
             qCDebug(scriptengine) << "Already downloading script at:" << url.toString();
         } else {
@@ -43,7 +44,7 @@ QString ScriptCache::getScript(const QUrl& url, ScriptUser* scriptUser, bool& is
             QNetworkRequest networkRequest = QNetworkRequest(url);
             networkRequest.setHeader(QNetworkRequest::UserAgentHeader, HIGH_FIDELITY_USER_AGENT);
 
-            qCDebug(scriptengine) << "Downloading script at:" << url.toString();
+            qCDebug(scriptengine) << "Downloading script at" << url.toString();
             QNetworkReply* reply = networkAccessManager.get(networkRequest);
             connect(reply, &QNetworkReply::finished, this, &ScriptCache::scriptDownloaded);
         }
@@ -56,7 +57,7 @@ void ScriptCache::scriptDownloaded() {
     QUrl url = reply->url();
     QList<ScriptUser*> scriptUsers = _scriptUsers.values(url);
     _scriptUsers.remove(url);
-    
+
     if (reply->error() == QNetworkReply::NoError && reply->attribute(QNetworkRequest::HttpStatusCodeAttribute) == 200) {
         _scriptCache[url] = reply->readAll();
         qCDebug(scriptengine) << "Done downloading script at:" << url.toString();
@@ -65,7 +66,9 @@ void ScriptCache::scriptDownloaded() {
             user->scriptContentsAvailable(url, _scriptCache[url]);
         }
     } else {
-        qCDebug(scriptengine) << "ERROR Loading file:" << reply->url().toString();
+        qCWarning(scriptengine) << "Error loading script from URL " << reply->url().toString()
+            << "- HTTP status code is" << reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt()
+            << "and error from QNetworkReply is" << reply->errorString();
         foreach(ScriptUser* user, scriptUsers) {
             user->errorInLoadingScript(url);
         }
@@ -73,4 +76,4 @@ void ScriptCache::scriptDownloaded() {
     reply->deleteLater();
 }
 
-    
+