VIZ++ Samples

1 Screenshot

2 Source code

/*
 * Disk.cpp 
 * Copyright (c) 2015 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED. 
 */


//2017/02/10 Updated.

#include <viz++/opengl/OpenGLMainView.h>

#include <viz++/opengl/OpenGLGC.h>
#include <viz++/opengl/OpenGLDisk.h>

namespace VIZ {

class MainView :public OpenGLMainView {

private:
  SmartPtr<OpenGLGC>      gc;
  SmartPtr<OpenGLQuadric> quadric;
  SmartPtr<OpenGLDisk>    disk;
 
public:
  virtual void display()
  {
    if (gc && disk) {
       gc -> loadIdentity();
       gc -> clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

       gc -> lookAt(2.0, 4.0, 8.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0);

       gc -> polygonMode(GL_FRONT_AND_BACK, GL_LINE);
       gc -> color(0.0, 1.0, 0.0);
       disk -> draw(0.5, 1.0, 32, 32);
    }
  }
 
  virtual void resize(int w, int h)
  {
       if (w == 0 || h == 0) {
          return;
       }
     if (gc) {
       gc -> matrixMode(GL_PROJECTION);
       gc -> loadIdentity();
       gc -> perspective(16.0, (double)w / (double)h, 0.5, 40.0); 

       gc -> matrixMode(GL_MODELVIEW);
     }
  }

  virtual void initialize()
  {
      gc = new OpenGLGC();
      quadric = new OpenGLQuadric();
      disk = new OpenGLDisk(quadric);
  }

public:
  MainView(OpenGLApplet& applet, int width, int height, const char* name)
  :OpenGLMainView(applet, width, height, name)
  {
  }
  
  ~MainView()
  {
  }
};

}

//
int main(int argc, char** argv) 
{
  try {
    ModuleFileName module;
    const char*  name = module.getAppName();
    OpenGLApplet applet(argc, argv);

    MainView view(applet, 400, 300, name);
    view.realize(); 
    applet.run();
    
  } catch (Exception& ex) {
    caught(ex);
  }
  return 0;
}