VIZ++ Samples

1 Screenshot

2 Source code

/*
 * LightedDisk.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/OpenGLLight.h>
#include <viz++/opengl/OpenGLMaterial.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 -> clearColor(0.0, 0.0, 0.0, 1.0);
       gc -> enable(GL_CULL_FACE); 
       gc -> enable(GL_LIGHTING);

       OpenGLLight light(GL_LIGHT0);
       GLfloat lightPosition[] = {0, 0, 10, 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 shininess[] = {100.0};

       OpenGLMaterial material(GL_FRONT);
       material.diffuse(blue);
       material.specular(white);
       material.shininess(shininess);

       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();
    quadric -> drawStyle(GLU_FILL);
    quadric -> normals(GLU_SMOOTH);
    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;
}