VIZ++ Samples

1 Screenshot

2 Source code

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


//2017/02/10

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

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

namespace VIZ {

class MainView :public OpenGLMainView {

private:
  SmartPtr<OpenGLGC> gc;
 
public:
  virtual void display()
  {
    if (gc) {
      gc -> clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
      gc -> loadIdentity();
      gc -> lookAt(2.0, 4.0, 8.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0);

      gc -> clearColor(0.0, 0.0, 0.0, 1.0);
//      gc -> enable(GL_CULL_FACE); 

      gc -> enable(GL_DEPTH_TEST);     
      OpenGLGeometry geometry;
      gc -> pushMatrix();
      gc -> foregroundColor(1.0, 0.0, 0.0);
      gc -> translate(-2.0, 1.0, -6.0);
      gc -> rotate(-40.0, 1.0, 0.0, 0.0);
      geometry.solidTorus(1.0, 1.8, 10.0, 50.0);
      gc -> popMatrix();

      gc -> pushMatrix();
      gc -> foregroundColor(0.0, 1.0, 0.0);
      gc -> translate(-2.2,-6.0,-6.0);
      gc -> rotate(10.0, 1.0, 0.0, 0.0);
      geometry. wireTorus( 1.0, 1.8, 10.0, 40.0);
      gc -> popMatrix();
    }
  }

  virtual void resize(int w, int h)
  {
    if (w == 0 || h == 0) {
        return;
    }
    if (gc) {
      const float r = (float) w / (float) h;

      gc -> matrixMode(GL_PROJECTION);
      gc -> loadIdentity();
      gc -> frustum(-r, r, -1.0, 1.0, 2.0, 100.0);

      gc -> matrixMode(GL_MODELVIEW);
      gc -> loadIdentity() ;
    }
  }

  virtual void initialize()
  {
    gc = new OpenGLGC();
  }


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

}

//
int main(int argc, char** argv) 
{
  glutInit(&argc, 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;
}