SOL9 Sample: Circles

SOL9 2.0 Samples

1 Screenshot


2 Source code

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


#include <sol/opengl/OpenGLMainView.h>
#include <sol/opengl/OpenGLView.h>
#include <sol/opengl/OpenGLGC.h>
#include <sol/opengl/OpenGLClientState.h>

#include <sol/opengl/OpenGLCircle.h>
#include "Resource.h"

namespace SOL {

class MainView :public OpenGLMainView {

private:
  //Inner class starts
  class SimpleView: public OpenGLView {
  private:
    static const int COUNT = 20;
    
    SmartPtr<OpenGLGC>      gc;
    SmartPtr<OpenGLCircle>  circle[COUNT];
 
  public:
    virtual void display()
    {
      if (gc && circle) {
        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);
        
        for (int i = 0; i<COUNT; i++) {
          gc->color(0.5f, 0.03*(float)i, 0.01*(float)i); //green
          circle[i] -> draw(gc);
        }
      }
    }
 
    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();
      for (int i =0; i<COUNT; i++) {
        circle[i] = new OpenGLCircle(0.5f, 0.5f, 0.1f + 0.1f*(float)i, 0.1f + 0.05f*(float)i);
      }
    }
      

  public:
    SimpleView(View* parent, const char* name, Args& args)
    :OpenGLView(parent, name, args)
    {
    } 

    ~SimpleView()
    {
    }
  };
  //Inner class ends
  
private:
  SmartPtr<SimpleView>  view;

  long size(Event& event)
  {
    int w, h;
    event.getSize(w, h);
    if (view) {
      view -> reshape(0, 0, w, h);
      view -> postResizeRequest(w, h);
    }
    return 0L;
  }

public:
  MainView(Application& applet, const char* name, Args& args)
  :OpenGLMainView(applet, name, args) 
  {
    Args ar;
    view = new SimpleView(this, "", ar);
  }

  ~MainView()
  {
  }
};

}

//
void Main(int argc, char** argv) 
{
  try {
    const char*  name = appName(argv[0]);
    Application applet(name, argc, argv);

    Args args;
    args.set(XmNwidth,  400);
    args.set(XmNheight, 300);

    MainView view(applet, name, args);
    view.realize();

    applet.run();
    
  } catch (Exception& ex) {
    caught(ex);
  }
}


Last modified: 25 Feb 2017

Copyright (c) 2017 Antillia.com ALL RIGHTS RESERVED.