//
//TexturedSphereRotationByKeyInput.cpp
//Copyright (c) 2017 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED.
// We have used 'world.topo.bathy.200412.3x5400x2700.jpg' file in the following page.
//
//http://visibleearth.nasa.gov/view.php?id=73909
//
//December, Blue Marble Next Generation w/ Topography and Bathymetry
//Credit: Reto St?ckli, NASA Earth Observatory
//2017/11/27 Updated.
#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/OpenGLTexturedSphere.h>
namespace OZ {
class MainView :public OpenGLMainView {
private:
//Inner class starts
class SimpleView: public OpenGLView {
private:
OpenGLGC gc;
SmartPtr<OpenGLTexturedSphere> texture;
float angle;
Vertex3 axis;
public:
virtual void display()
{
if (texture) {
gc.matrixMode(GL_PROJECTION);
gc.loadIdentity();
gc.perspective(16.0, (double)width() / (double)height(), 0.5, 100.0);
gc.matrixMode(GL_MODELVIEW);
gc.clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
gc.loadIdentity();
gc.clearColor(0.1, 0.1, 0.2, 1.0);
gc.enable(GL_CULL_FACE);
//2017/11/27 Added the following line
gc.cullFace(GL_FRONT);
gc.enable(GL_LIGHTING);
gc.enable(GL_DEPTH_TEST);
gc.color(1.0f, 1.0f, 1.0f);
gc.lookAt(0.0, 18.0, 4.0, 0.0, 0.0, 0.0, 0.0, 100.0, 0.0);
gc.translate(0.0f, 0.0f, 0.0f);
gc.rotate(angle, axis.x, axis.y, axis.z);
OpenGLLight light(GL_LIGHT0);
//2017/11/27 Modified lightPosition
GLfloat lightPosition[] = {-10, -10, -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);
texture -> draw(&gc);
}
}
virtual void resize(int w, int h)
{
if (w == 0 || h == 0) {
return;
}
gc.matrixMode(GL_PROJECTION);
gc.loadIdentity();
gc.perspective(16.0, (double)w/(double)h, 0.5, 100.0);
gc.matrixMode(GL_MODELVIEW);
}
virtual void initialize()
{
//2017/11/27 Modified axis value.
axis.x = -10.0f;
axis.y = -50.0f;
axis.z = 80.0f;
gc.enable(GL_DEPTH_TEST);
gc. enable(GL_TEXTURE_2D);
try {
// The 'world.topo.bathy.200412.3x860x430.jpg' used here is based on
// 'world.topo.bathy.200412.3x5400x2700.jpg' in the following page.
//
//http://visibleearth.nasa.gov/view.php?id=73909
//
//December, Blue Marble Next Generation w/ Topography and Bathymetry
//Credit: Reto St?ckli, NASA Earth Observatory
const char* imageFileName = "../../images/world.topo.bathy.200412.3x860x430.jpg";
texture = new OpenGLTexturedSphere(imageFileName, 2.5f, 40, 40);
} catch (Exception& ex) {
caught(ex);
}
}
virtual void keyPress(Event& event)
{
KeySym k = event.getKeySym();
if (k == XK_Left) {
angle -= 2.0f;
sendExposeEvent();
}
if (k == XK_Right) {
angle += 2.0f;
sendExposeEvent();
}
}
virtual void keyRelease(Event& event)
{
//Do nothing here
}
public:
SimpleView(OpenGLMainView* parent, const char* name, Args& args)
:OpenGLView(parent, name, args),
angle(0.0f)
{
}
~SimpleView()
{
}
};
//Inner class ends.
private:
SmartPtr<SimpleView> view;
public:
MainView(OpenGLApplication& applet, const char* name, Args& args)
:OpenGLMainView(applet, name, args)
{
Args ar;
ar.set(XmNopenGLBufferType, (XtArgVal)getBufferType());
view = new SimpleView(this, "", ar);
}
~MainView()
{
}
};
}
//
int main(int argc, char** argv)
{
try {
const char* name = argv[0];
OpenGLApplication applet(name, argc, argv);
Args args;
args.set(XmNwidth, 400);
args.set(XmNheight, 400);
MainView view(applet, name, args);
view.realize();
applet.run();
} catch (Exception& ex) {
caught(ex);
}
return 0;
}
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