| Es++ Sample: StarSystemModel |
/******************************************************************************
*
* 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.
*
*
* StarSystemModel.cpp
*
*****************************************************************************/
//
#include <es++/SmartPtr.h>
#include <es++/Mutex.h>
#include <es++/opengl/OpenGLRenderingTimer.h>
#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:
static const int NUMBER_OF_PLANETS = 4;
private:
///////////////////////////////////////////////////////
//Inner class starts.
class SimpleView :public Es::OpenGLView {
private:
OpenGLGC gc;
SmartPtr<OpenGLSolidSphere> sun;
SmartPtr<OpenGLSolidSphere> planets[NUMBER_OF_PLANETS];
SmartPtr<OpenGLCircle> orbits[NUMBER_OF_PLANETS];
float angles[NUMBER_OF_PLANETS];
SmartPtr<OpenGLRenderingTimer> timerThread;
int renderingInterval;
float angle;
static const int CIRCLE_ANGLE = 360;
static const int INCREMENT = 1;
Mutex mutex;
public:
SimpleView()
:OpenGLView()
,renderingInterval(40)
{
for (int i = 0; i < NUMBER_OF_PLANETS; i++) {
angles[i] = 30.0f * i;
}
}
virtual void display()
{
mutex.lock();
//setViewPort();
if (angle <(CIRCLE_ANGLE - INCREMENT) ) {
angle += INCREMENT;
} else {
angle = INCREMENT;
}
static const float INCREMENT[NUMBER_OF_PLANETS] = { 1.0f, 0.7f, 0.5f, 0.2f };
for (int i = 0; i < NUMBER_OF_PLANETS; i++) {
if (angles[i] < CIRCLE_ANGLE - INCREMENT[i]) {
angles[i] += INCREMENT[i];
}
else {
angles[i] = INCREMENT[i];
}
}
if (sun) {
setPerspective();
gc.clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
gc.loadIdentity();
gc.lookAt(-1.0, 10.0, 19.0, 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.color(1.0f, 1.0f, 1.0f);
sun-> draw(&gc, 0.0f, 0.0f, 0.0f);
OpenGLLight light(GL_LIGHT0);
GLfloat lightPosition[] = {-2.0f, 0.0f, -1.0f, 1.0};
light.position(lightPosition);
for (int i = 0; i<NUMBER_OF_PLANETS; i++) {
Vertex3 pos = orbits[i]->getOrbitPosition(angles[i]);
planets[i]-> draw(&gc, pos.x, pos.y, pos.z);
}
}
mutex.unlock();
}
virtual void resize(int w, int h)
{
if (w == 0 || h == 0) {
return;
}
setPerspective();
}
virtual void initialize()
{
Color4 black = { 0.0, 0.0, 0.0, 1.0 };
Color4 ambient = { 0.5, 0.5, 0.5, 1.0 };
Color4 diffuse = { 0.2, 0.4, 0.8, 1.0 };
Color4 greendiffuse = { 0.0, 1.0, 0.0, 1.0 };
Color4 reddiffuse = { 1.0, 0.0, 0.0, 1.0 };
Color4 bluediffuse = { 0.0, 0.0, 1.0, 1.0 };
Color4 silverdiffuse = { 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 lowShining = { 10.0 };
GLfloat highShining = {100.0 };
OpenGLMateria sunMateria(GL_FRONT, black, diffuse, black, emission, highShining);
sun = new OpenGLSolidSphere(sunMateria, 0.5f, 40, 40);
int index = 0;
orbits[index++] = new OpenGLCircle(0.0f, 0.0f, 0.0f, 1.0);
orbits[index++] = new OpenGLCircle(0.0f, 0.0f, 0.0f, 1.6f);
orbits[index++] = new OpenGLCircle(0.0f, 0.0f, 0.0f, 2.4f);
orbits[index] = new OpenGLCircle(0.0f, 0.0f, 0.0f, 2.9f);
OpenGLMateria planetMateria1(GL_FRONT, ambient, bluediffuse, specular, black, lowShining);
OpenGLMateria planetMateria2(GL_FRONT, ambient, silverdiffuse, specular, black, lowShining);
OpenGLMateria planetMateria3(GL_FRONT, ambient, greendiffuse, specular, black, lowShining);
OpenGLMateria planetMateria4(GL_FRONT, ambient, reddiffuse, specular, black, lowShining);
index = 0;
planets[index++] = new OpenGLSolidSphere(planetMateria1, 0.10f, 20, 20);
planets[index++] = new OpenGLSolidSphere(planetMateria2, 0.18f, 20, 20);
planets[index++] = new OpenGLSolidSphere(planetMateria3, 0.18f, 20, 20);
planets[index] = new OpenGLSolidSphere(planetMateria4, 0.12f, 20, 20);
timerThread = new OpenGLRenderingTimer(*this, renderingInterval);
timerThread->start();
}
};
// Inner class ends.
///////////////////////////////////////////////////////
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;
XInitThreads();
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, 600);
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;
}