TELESCOP.H

#ifndef TELESCOPE_H 
#define TELESCOPE_H 
 
class Telescope { 
 public: 
  Telescope(GLfloat x = 0, GLfloat y = 0); 
  ~Telescope(); 
 
  /* This draws the "outside" of the telescope - the fov and aspect are 
   * needed since it is drawn in eye coordinates */ 
  void draw_setup(GLfloat fov, GLfloat aspect = 1.0, int perspective = 1); 
  void draw_fake(); 
  void draw_body(); 
  void draw_takedown(); 
   
  /* This just draws the lens - usually it will be used to draw the lens 
   * into the stencil buffer */ 
  void draw_lens(); 
 
  /* How finally to divide things as we're drawing */ 
  void set_divisions(int d); 
  int get_divisions(); 
 
  /* This is the radius of the lens - the rest of the dimensions depend 
   * upon it */ 
  void set_radius(GLfloat r); 
  GLfloat get_radius(); 
 
  /* Positions are in eye coordinates and go from [0, 1] */ 
  GLfloat xpos, ypos; 
 private: 
  int divisions; 
 
  GLfloat radius;  
 
  GLUquadricObj *disk; 
  GLUquadricObj *cylinder; 
}; 
 
#endif