VIZ++ Samples

1 Screenshot

2 Source code

/*
 * Cube.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/OpenGLClientState.h>

namespace VIZ {

class MainView :public OpenGLMainView {

private:
  SmartPtr<OpenGLGC> gc;
 
  public:
    virtual void display()
    {
      if (gc) {
        static GLfloat points[] ={
        0.0, 0.0, 0.0, 
        1.0, 0.0, 0.0,
        1.0, 1.0, 0.0,
        0.0, 1.0, 0.0, 
        0.0, 0.0,-1.0, 
        1.0, 0.0,-1.0,
        1.0, 1.0,-1.0,
        0.0, 1.0,-1.0,
        };

        static GLuint index[]={
        0, 1, 2, 3,
        1, 5, 6, 2,
        5, 4, 7, 6,
        4, 0, 3, 7,
        4, 5, 1, 0,
        3, 2, 6, 7
        };
        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); 
        OpenGLClientState client(GL_VERTEX_ARRAY);

        gc -> polygonMode(GL_FRONT_AND_BACK,GL_LINE);
        //gc -> polygonMode(GL_FRONT_AND_BACK,GL_FILL);
        gc -> color(0.0, 0.0, 1.0);
        gc -> lineWidth(2.0);
        gc -> vertexPointer(3, GL_FLOAT, 0, points); 
        gc -> drawElements(GL_QUADS, CountOf(index), GL_UNSIGNED_INT, index);
      }
    }
 
    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();
    }


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;
}