SOL9 Sample: LightedSphereOrbiter

SOL9 2.0 Samples

1 Screenshot


2 Source code

/*
 * LightedSphereOrbiter.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/OpenGLLight.h>
#include <sol/opengl/OpenGLMaterial.h>
#include <sol/opengl/OpenGLSphere.h>
#include <sol/opengl/OpenGLCircle.h>
#include <sol/opengl/OpenGLTimerThread.h>

namespace SOL {

class MainView :public OpenGLMainView {

private:
  //Inner class starts
  class SimpleView: public OpenGLView {
  private:
    SmartPtr<OpenGLGC>      gc;
    SmartPtr<OpenGLQuadric> quadric;
    SmartPtr<OpenGLSphere>  sphere;
    SmartPtr<OpenGLCircle>  circle;
    SmartPtr<OpenGLTimerThread> timerThread;
    int                     renderingInterval;
    float angle;
    static const int    CIRCLE_ANGLE = 360;
        static const int INCREMENT = 1;
   
  public:
    virtual void display()
    {
      if (angle <(CIRCLE_ANGLE - INCREMENT) ) {
          angle += INCREMENT;
      } else {
        angle = INCREMENT;
      }

      if (gc && sphere) {
         Vertex3 pos = circle->getOrbitPosition(angle);

        gc -> clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

        gc -> loadIdentity();
        gc -> lookAt(-5.0, 10.0, 4.0, 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_LIGHTING);

        gc -> translate(0.0f, 0.0f, 0.0f);
        gc->color(1.0f, 1.0f, 1.0f); //green

        circle->draw(gc);
       
        gc -> translate(pos.x, pos.y, pos.z);
        
        OpenGLLight light(GL_LIGHT0);
        GLfloat lightPosition[] = {-2.0f, 0.0f, -1.0f, 1.0};  
        light.position(lightPosition);

        GLfloat white[] = {1.0f, 1.0f, 1.0f, 1.0f};
        GLfloat blue[]  = {0.0f, 0.0f, 1.0f, 1.0f};
        GLfloat green[] = {0.0f, 1.0f, 0.0f, 1.0f};

        GLfloat shininess[] = {100.0};

        OpenGLMaterial material(GL_FRONT);
        material.diffuse(green);
        material.specular(white);
        material.shininess(shininess);
        
        sphere-> draw(0.5f, 40, 40);
      }
    }

    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();
      quadric -> drawStyle(GLU_FILL);
      quadric -> normals(GLU_SMOOTH);
      sphere = new OpenGLSphere(quadric);
      circle = new OpenGLCircle(0.0f, 0.0f, 0.0f, 1.3f);
      timerThread  = new OpenGLTimerThread(this, renderingInterval);
      timerThread->start();
    }

  public:
    SimpleView(View* parent, const char* name, Args& args)
    :OpenGLView(parent, name, args),
    angle(0.0f),
    renderingInterval(10)
    {
      renderingInterval = (const int)args.get(XmNrenderingInterval); 
    } 

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

 long size(Event& event)
  {
    int width  = 0;
    int height = 0;
    event.getSize(width, height);
    if (view) {
      view -> reshape(0, 0, width, height);
      view -> postResizeRequest(width, height);
    }
    
    return 0L;
  }
  
public:
  MainView(Application& applet, const char* name, Args& args)
  :OpenGLMainView(applet, name, args)
  {
    int interval = args.get(XmNrenderingInterval); 
    Args ar;
    ar.set(XmNrenderingInterval, interval);  //20 millisec
    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,  640);
    args.set(XmNheight, 480);
    args.set(XmNrenderingInterval, 20);  //20 millisec

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

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


Last modified: 25 Feb 2017

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