SOL9 Sample: LightedTriangleRotationByTimerThread
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1 Screenshot
2 Source code
/*
* LightedTriangleRotationByTimerThread.cpp
* Copyright (c) 2015 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED.
*/
#include <sol/opengl/OpenGLTimerThread.h>
#include <sol/opengl/OpenGLMainView.h>
#include <sol/opengl/OpenGLView.h>
#include <sol/opengl/OpenGLGC.h>
#include <sol/opengl/OpenGLLight.h>
#include <sol/opengl/OpenGLMaterial.h>
#include <sol/opengl/Vertex3.h>
#include <sol/opengl/Color4.h>
#include <sol/opengl/FaceIndices.h>
#include <sol/opengl/OpenGLClientState.h>
#include <sol/opengl/OpenGLTriangleSurfaces.h>
#include "Resource.h"
namespace SOL {
class MainView :public OpenGLMainView {
private:
//Inner class starts.
class SimpleView: public OpenGLView {
private:
SmartPtr<OpenGLGC> gc;
SmartPtr<OpenGLTriangleSurfaces> surfaces;
float angle;
SmartPtr<OpenGLTimerThread> timerThread;
int renderingInterval;
CriticalSection criticalSection;
public:
virtual void display()
{
criticalSection.enter();
angle += 0.2f;
static Vertex<3> vertices[] = {
//Face 1:
{-1.0,-1.0, 1.0 }, //0
{ 1.0,-1.0, 1.0 }, //1
{ 0.0, 1.0, 1.0 }, //2
};
static Color4 colors[] = {
{1.0f, 0.4f, 0.2f, 1.0f},
};
static FaceIndices<3> indices[] = {
{0, 1, 2} //Triangle
};
static Normal3* normals = NULL;
static size_t numNormals = 0;
if (surfaces == NULL) {
surfaces = new OpenGLTriangleSurfaces(vertices, CountOf(vertices), indices, CountOf(indices));
normals = surfaces->calculateSurfaceNormals(numNormals);
}
if (gc ) {
gc -> clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
gc -> loadIdentity();
try {
gc -> clearColor(1.0, 1.0, 1.0, 1.0);
gc -> translate(0.0f,0.0f, 0.0f);
gc -> lookAt(0.0, 6.0, 12.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0);
gc -> rotate(-angle, 0.0, 1.0, 0.0);
OpenGLClientState state1(GL_VERTEX_ARRAY);
OpenGLClientState state2(GL_COLOR_ARRAY);
OpenGLClientState state3(GL_NORMAL_ARRAY);
gc -> vertexPointer(3, GL_FLOAT, 0, vertices);
gc -> colorPointer (4, GL_FLOAT, 0, colors);
gc -> normalPointer(GL_FLOAT, 0, normals);
gc->frontFace(GL_CCW);
gc->enable(GL_CULL_FACE);
gc -> enable(GL_LIGHTING);
OpenGLLight light(GL_LIGHT0);
light.position(0, 0.0, 1.0, 0.0);
OpenGLMaterial material(GL_FRONT);
material.specular(1.0f, 1.0f, 1.0f, 1.0f); //white);
material.shininess(50.0);
material.diffuse(0.0f, 1.0f, 0.0f, 1.0f); //green;
gc->cullFace(GL_BACK);
gc -> drawElements(GL_TRIANGLES, CountOf(indices)*3, GL_UNSIGNED_INT, indices);
gc->cullFace(GL_FRONT);
gc -> drawElements(GL_TRIANGLES, CountOf(indices)*3, GL_UNSIGNED_INT, indices);
} catch (Exception& ex) {
caught(ex);
}
}
criticalSection.leave();
}
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();
gc -> matrixMode(GL_PROJECTION);
gc -> clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
gc -> loadIdentity();
gc -> matrixMode(GL_MODELVIEW);
gc -> enable( GL_DEPTH_TEST );
gc -> frustum(1 , -1 , -1 , 1 , 1 , 10);
timerThread = new OpenGLTimerThread(this, renderingInterval);
timerThread -> start();
}
public:
SimpleView(View* parent, const char* name, Args& args)
:OpenGLView(parent, name, args),
angle(0.0),
renderingInterval(0)
{
renderingInterval = (int)args.get(XmNrenderingInterval);
}
~SimpleView()
{
}
};
//Inner class ends.
private:
SmartPtr<SimpleView> view;
long size(Event& event)
{
int w, h;
event.getSize(w, h);
if (view) {
view -> reshape(0, 0, w, h);
view -> postResizeRequest(w, h);
}
return 1L;
}
public:
MainView(Application& applet, const char* name, Args& args)
:OpenGLMainView(applet, name, args)
{
int interval = (int)args.get(XmNrenderingInterval);
Args ar;
ar.set(XmNrenderingInterval, interval);
view = new SimpleView(this, "", ar);
}
~MainView()
{
}
};
}
//
void Main(int argc, char** argv)
{
try {
const char* name = appName(argv[0]);
Application applet(name, argc, argv);
Args args;
args.set(XmNwidth, 400);
args.set(XmNheight, 300);
args.set(XmNrenderingInterval, 20); //20 millisec
MainView view(applet, name, args);
view.realize();
applet.run();
} catch (Exception& ex) {
caught(ex);
}
}
Last modified: 25 Feb 2017
Copyright (c) 2017 Antillia.com ALL RIGHTS RESERVED.