Image sequencing improvements and optimization of projection.

Projection now occurs only at specified timestamps.
Todo:
projection class now dependent on image sequences, will have
to change that once we read specific instrument schedule.

include/openspace/rendering/planets/renderableplanetprojection.h

@@ -88,6 +88,7 @@ private:
 	glm::mat4  _projectorMatrix;
 
 	// spice
+	std::string _sequenceDir;
 	std::string _instrumentID;
 	std::string _projectorID;
 	std::string _projecteeID;

include/openspace/rendering/renderablefov.h

@@ -69,7 +69,8 @@ public:
 	glm::dvec3 interpolate(glm::dvec3 p0, glm::dvec3 p1, float t);
 	glm::dvec3 bisection(glm::dvec3 p1, glm::dvec3 p2, double tolerance);
 
-	double distanceBetweenPoints(psc p1, psc p2);
+	void computeColors();
+
 	// instance variables
 	int _nrInserted = 0;
 	int _isteps;
@@ -114,7 +115,10 @@ public:
 	// time
 	double _time = 0;
 	double _oldTime = 0;
-	int _delta  = 0;
+
+	// capturetime
+	double _timeInterval;
+	double _nextCaptureTime;
 };
 }
 #endif

include/openspace/util/imagesequencer.h

@@ -45,14 +45,20 @@ public:
 	static void deinitialize();
 	bool sequenceReset();
 
-public:
-
-	void createImage(double t1, double t2, std::string path = "dummypath");
-	bool getImagePath(double& _currentTime, std::string& path);
-	bool getImagePath(std::string _currentTime, std::string& path);
-	//double _previousTime; // not sure if i wanna use this yet.
+	bool getImagePath(double& _currentTime, std::string& path, bool closedInterval = false);
+	bool getImagePath(std::string _currentTime, std::string& path, bool closedInterval = false);
+	double getNextCaptureTime();
+	double getIntervalLength(){ return _intervalLength; };
 
 	static ImageSequencer* _sequencer;
+
+private:
+	double nextCaptureTime(double _time);
+
+	void createImage(double t1, double t2, std::string path = "dummypath");
+	
+	double _nextCapture;
+	double _intervalLength;
 };
 
 } // namespace openspace