Added proper synchronization for mouse controller and camera.

Camera class now contains three instances of synched variables. a local copy changed on master. a shared copy only used for sharing in serialize/deserialize. and finally a synched copy never written to except in post sync

include/openspace/interaction/interactionhandler.h

@@ -118,9 +118,9 @@ public:
 
 	void orbitDelta(const glm::quat& rotation);
 
-	void orbit(const float &dx, const float &dy, const float &dz);
+	void orbit(const float &dx, const float &dy, const float &dz, const float &dist);
 
-	void distance(const float &d);
+	//void distance(const float &d);
 
 	void rotateDelta(const glm::quat& rotation);
 

include/openspace/util/camera.h

@@ -136,30 +136,41 @@ public:
     const glm::vec3& lookUpVector() const;
 
 	void postSynchronizationPreDraw();
+	void preSynchronization();
 	void serialize(SyncBuffer* syncBuffer);
 	void deserialize(SyncBuffer* syncBuffer);
 
 private:
     float _maxFov;
     float _sinMaxFov;
-    psc _position;
     glm::mat4 _viewProjectionMatrix;
 	glm::mat4 _modelMatrix;
 	glm::mat4 _viewMatrix;
 	glm::mat4 _projectionMatrix;
     glm::vec3 _viewDirection;
     glm::vec3 _cameraDirection;
-    glm::vec2 _scaling;
-   // glm::quat _viewRotation;
-    glm::mat4 _viewRotationMatrix;  // compiled from the quaternion
-
+    // glm::quat _viewRotation;
+    
     glm::vec3 _lookUp;
 
 	//cluster variables
+	std::mutex _syncMutex;
+
+	//local variables
+	glm::mat4 _localViewRotationMatrix;
+	glm::vec2 _localScaling;
+	psc _localPosition;
+
+	//shared copies of local variables
 	glm::vec2 _sharedScaling;
 	psc _sharedPosition;
 	glm::mat4 _sharedViewRotationMatrix;
-	std::mutex _syncMutex;
+
+	//cluster synced variables
+	glm::vec2 _syncedScaling;
+	psc _syncedPosition;
+	glm::mat4 _syncedViewRotationMatrix;
+	
 };
 
 } // namespace openspace