Misc work

More cleanup of RenderablePlanet
Added const modifier to pss method
Added faster travel method for interactionhandler

include/openspace/rendering/planets/planetgeometry.h

@@ -39,7 +39,7 @@ public:
 
     PlanetGeometry();
     virtual ~PlanetGeometry();
-    virtual void initialize(RenderablePlanet* parent);
+    virtual bool initialize(RenderablePlanet* parent);
     virtual void deinitialize();
     virtual void render() = 0;
 

include/openspace/rendering/planets/renderableplanet.h

@@ -48,9 +48,6 @@ public:
     bool initialize() override;
     bool deinitialize() override;
 
-    void setProgramObject(ghoul::opengl::ProgramObject* programObject = nullptr);
-    void setTexture(ghoul::opengl::Texture* texture);
-
     void render(const Camera* camera, const psc& thisPosition) override;
     void update() override;
 

include/openspace/rendering/planets/simplespheregeometry.h

@@ -42,7 +42,7 @@ public:
     ~SimpleSphereGeometry();
 
 
-    void initialize(RenderablePlanet* parent) override;
+    bool initialize(RenderablePlanet* parent) override;
     void deinitialize() override;
     void render() override;
 

include/openspace/util/pss.h

@@ -33,7 +33,7 @@ public:
 	const double * value_ptr();
 	const float * value_ptrf();
 	glm::dvec2 getVec2() const;
-	glm::vec2 getVec2f();
+	glm::vec2 getVec2f() const;
 	double length() const;
 	float lengthf() const;
 
@@ -81,7 +81,7 @@ private:
 	glm::dvec2 vec_;
 
 	// float vector used when returning float values
-	glm::vec2 vecf_;
+	mutable glm::vec2 vecf_;
 
 };