OZ++ Sample: LightedSphereOrbiter |
/******************************************************************************
*
* Copyright (c) 2015 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer.
*
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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*
* LightedSphereOrbiter.cpp
*
*****************************************************************************/
#include <oz++/opengl/OpenGLMainView.h>
#include <oz++/opengl/OpenGLView.h>
#include <oz++/opengl/OpenGLGC.h>
#include <oz++/opengl/OpenGLLight.h>
#include <oz++/opengl/OpenGLMaterial.h>
#include <oz++/opengl/OpenGLSphere.h>
#include <oz++/opengl/OpenGLCircle.h>
#include <oz++/motif/RenderingTimer.h>
#include <oz++/Mutex.h>
namespace OZ {
class MainView :public OpenGLMainView {
private:
//Inner class starts
class SimpleView: public OpenGLView {
private:
OpenGLGC gc;
SmartPtr<OpenGLQuadric> quadric;
SmartPtr<OpenGLSphere> sphere;
SmartPtr<OpenGLCircle> circle;
SmartPtr<RenderingTimer> timerThread;
int renderingInterval;
Mutex mutex;
float angle;
static const int CIRCLE_ANGLE = 360;
static const int INCREMENT = 1;
public:
virtual void display()
{
mutex.lock();
if (angle <(CIRCLE_ANGLE - INCREMENT) ) {
angle += INCREMENT;
} else {
angle = INCREMENT;
}
if (sphere) {
setPerspective();
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);
}
mutex.unlock();
}
virtual void resize(int w, int h)
{
if (w == 0 || h == 0) {
return;
}
setPerspective();
}
virtual void initialize()
{
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 RenderingTimer(this, renderingInterval);
timerThread->start();
}
public:
SimpleView(OpenGLMainView* 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;
public:
MainView(OpenGLApplication& 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()
{
}
};
}
//
int main(int argc, char** argv)
{
try {
XInitThreads();
const char* name = argv[0];
OpenGLApplication applet(name, argc, argv);
Args args;
args.set(XmNwidth, 400);
args.set(XmNheight, 400);
args.set(XmNrenderingInterval, 20); //20 millisec
MainView view(applet, name, args);
view.realize();
applet.run();
} catch (Exception& ex) {
caught(ex);
}
return 0;
}