/******************************************************************************
*
* Copyright (c) 2017 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.
*
* 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.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*
* Pearls.cpp
*
*****************************************************************************/
//
#include <es++/opengl/OpenGLApplication.h>
#include <es++/opengl/OpenGLMainView.h>
#include <es++/opengl/OpenGLView.h>
#include <es++/opengl/OpenGLGC.h>
#include <es++/opengl/OpenGLLight.h>
#include <es++/opengl/OpenGLMaterial.h>
#include <es++/opengl/OpenGLSolidSphere.h>
#include <es++/opengl/OpenGLCircle.h>
using namespace Gtk;
namespace Es {
class MainView :public Es::OpenGLMainView {
private:
///////////////////////////////////////////////////////
//Inner classes start.
class SimpleView :public Es::OpenGLView {
private:
static const int CIRCLE = 360;
static const int PEARLS = 20;
OpenGLGC gc;
SmartPtr<OpenGLSolidSphere> pearls[PEARLS];
SmartPtr<OpenGLCircle> circle;
public:
SimpleView()
:OpenGLView()
{
}
virtual void display()
{
if (pearls[0]) {
setPerspective();
gc.clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
gc.loadIdentity();
gc.lookAt(1.0, 2.0, 6.0, 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);
circle->draw(&gc);
OpenGLLight light(GL_LIGHT0);
GLfloat lightPosition[] = {0.0f, 5.0f, 10.0f, 1.0};
light.position(lightPosition);
int angle = CIRCLE/PEARLS;
for (int i=0; i <PEARLS; i++) {
Vertex3 pos = circle->getOrbitPosition(angle*i);
pearls[i]-> draw(&gc, pos.x, pos.y, pos.z);
}
}
}
virtual void resize(int w, int h)
{
if (w == 0 || h == 0) {
return;
}
setPerspective();
}
virtual void initialize()
{
circle = new OpenGLCircle(0.0f, 0.0f, 0.0f, 0.9f);
Color4 black = { 0.0, 0.0, 0.0, 1.0 };
Color4 ambient = { 0.5, 0.5, 0.5, 1.0 };
Color4 diffuse = { 0.8, 0.8, 0.8, 1.0 };
Color4 specular = { 1.0, 1.0, 1.0, 1.0 };
// Color4 emission = { 0.8, 0.2, 0.0, 0.0 };
GLfloat highShining = { 80.0 };
OpenGLMateria materia(GL_FRONT, ambient, diffuse, specular, black, highShining);
for (int i = 0; i<PEARLS; i++) {
Color4 diffuse = { 0.7+0.01*i, 0.8, 0.7+0.01*i, 1.0 };
OpenGLMateria materia(GL_FRONT, ambient, diffuse, specular, black, highShining);
pearls[i] = new OpenGLSolidSphere(materia, 0.13f, 40, 40);
}
}
};
// Inner classes end.
///////////////////////////////////////////////////////
Es::HorizontalLayout horiz_layout;
SimpleView simple_view;
public:
//////////////////////////////////////////////
//Constructor
//
MainView(Es::OpenGLApplication& applet, std::string& name, Es::Args& args)
:OpenGLMainView(applet, name, args)
{
int w = (int)args.get(XmNwidth);
int h = (int)args.get(XmNheight);
Es::MainLayout& main_layout = get_main_layout();
main_layout.pack_start(horiz_layout);
horiz_layout.pack_start(simple_view);
OpenGLContext* context = applet.getOpenGLContext();
simple_view.set_opengl_context(context);
show_all_children();
}
void render()
{
simple_view.render();
}
};
}
int main(int argc, char** argv)
{
Es::Environment env;
try {
std::string name = argv[0];
Es::OpenGLApplication applet(argc, argv);
Es::Args args;
args.set(XmNx, 20);
args.set(XmNy, 40);
args.set(XmNwidth, 500);
args.set(XmNheight, 400);
Es::MainView mainv(applet, name, args);
mainv.show();
applet.run(mainv);
} catch (Es::Exception& ex) {
caught(ex);
} catch (...) {
printf("Get exception \n");
}
return 0;
}