SOL9 Sample: ColoredPyramid
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1 Screenshot
2 Source code
/*
* ColoredPyramid.cpp
* Copyright (c) 2015 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED.
*/
#include <sol/opengl/OpenGLMainView.h>
#include <sol/opengl/OpenGLView.h>
#include <sol/opengl/OpenGLGC.h>
#include <sol/opengl/OpenGLClientState.h>
#include "Resource.h"
namespace SOL {
class MainView :public OpenGLMainView {
private:
//Inner class starts.
class SimpleView: public OpenGLView {
private:
SmartPtr<OpenGLGC> gc;
public:
virtual void display()
{
static GLfloat vertices[] = {
-0.5f, -0.5f, -0.5f,
0.5f, -0.5f, -0.5f,
0.5f, -0.5f, 0.5f,
-0.5f, -0.5f, 0.5f,
0.0f, 0.5f, 0.0f,
};
//Colors(RGBAs) for the 5 vertices
static GLfloat colors[] = {
0.0f, 0.0f, 1.0f, 1.0f,
0.0f, 1.0f, 0.0f, 1.0f,
0.0f, 0.0f, 1.0f, 1.0f,
0.0f, 1.0f, 0.0f, 1.0f,
1.0f, 0.0f, 0.0f, 1.0f
};
//Indices for the 4 triangles.
static GLint indices[] = {
2, 4, 3,
1, 4, 2,
0, 4, 1,
4, 0, 3
};
if (gc) {
gc -> clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
gc -> loadIdentity();
// gc -> matrixMode(GL_MODELVIEW);
gc -> translate(0.0f,0.0f,-1.0f);
gc -> lookAt(2.0, 4.0, 6.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0);
try {
OpenGLClientState state1(GL_VERTEX_ARRAY);
OpenGLClientState state2(GL_COLOR_ARRAY);
gc -> vertexPointer(3, GL_FLOAT, 0, vertices);
gc -> colorPointer (4, GL_FLOAT, 0, colors);
gc -> drawElements(GL_TRIANGLES, CountOf(indices), GL_UNSIGNED_INT, indices);
} catch (Exception& ex) {
caught(ex);
}
}
}
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);
gc -> clearColor(0.0, 0.0, 1.0, 1.0);
}
public:
SimpleView(View* parent, const char* name, Args& args)
:OpenGLView(parent, name, args)
{
}
~SimpleView()
{
}
};
//Inner class ends.
private:
SmartPtr<SimpleView> view;
long size(Event& event)
{
int w, h;
event.getSize(w, h);
if (view.notNull()) {
view -> reshape(10, 10, w-20, h-20);
view -> postResizeRequest(w-20, h-20);
}
return 1L;
}
public:
MainView(Application& applet, const char* name, Args& args)
:OpenGLMainView(applet, name, args)
{
Args ar;
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);
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.