TEveEllipsoidGL.h

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#ifndef ROOT_TEveEllipsoidGL
#define ROOT_TEveEllipsoidGL
 
#include "TGLObject.h"
#include "TEveVector.h"
 
class TGLViewer;
class TGLScene;
 
class TEveEllipsoid;
class TEveEllipsoidProjected;
 
//------------------------------------------------------------------------------
// TEveEllipsoid
//------------------------------------------------------------------------------
 
class TEveEllipsoidGL : public TGLObject {
private:
  TEveEllipsoidGL(const TEveEllipsoidGL&);             // Not implemented
  TEveEllipsoidGL& operator=(const TEveEllipsoidGL&);  // Not implemented
 
protected:
  TEveEllipsoid* fE;  // Model object.
 
public:
  TEveEllipsoidGL();
  ~TEveEllipsoidGL() override {}
 
  Bool_t SetModel(TObject* obj, const Option_t* opt = nullptr) override;
  void SetBBox() override;
 
  void DirectDraw(TGLRnrCtx& rnrCtx) const override;
  Bool_t IgnoreSizeForOfInterest() const override { return kTRUE; }
 
  ClassDefOverride(TEveEllipsoidGL, 0);  // GL renderer class for TEveEllipsoid.
};
 
//------------------------------------------------------------------------------
// TEveEllipsoidProjectedGL
//------------------------------------------------------------------------------
 
class TEveEllipsoidProjectedGL : public TEveEllipsoidGL {
private:
  TEveEllipsoidProjectedGL(const TEveEllipsoidProjectedGL&);             // Not implemented
  TEveEllipsoidProjectedGL& operator=(const TEveEllipsoidProjectedGL&);  // Not implemented
 
  void DrawRhoPhi() const;
  void DrawRhoZ() const;
  //  void DrawYZ() const;
  void drawArch(float pStart, float pEnd, float phiStep, TEveVector& v0, TEveVector& v1, TEveVector& v2) const;
  void drawRhoZAxis(TEveVector& v, TEveVector&) const;
 
protected:
  TEveEllipsoidProjected* fM;  // Model object.
 
public:
  TEveEllipsoidProjectedGL();
  ~TEveEllipsoidProjectedGL() override {}
 
  Bool_t SetModel(TObject* obj, const Option_t* opt = nullptr) override;
  void SetBBox() override;
 
  void DirectDraw(TGLRnrCtx& rnrCtx) const override;
  ClassDefOverride(TEveEllipsoidProjectedGL, 0);  // GL renderer class for TEveEllipsoid.
};
 
#endif