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C-/C++-Quelltext

// Zeichenfunktion

// --------------------------------------------------------------------

int DrawGLScene(GLvoid)
{
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glLoadIdentity();
    glBindTexture(GL_TEXTURE_2D, texture[0]);

    glLoadIdentity();
                    
    glBegin(GL_QUADS);
        glTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f,-1.0f,-1.0f);
        glTexCoord2f(1.0f, 0.0f); glVertex3f( 1.0f,-1.0f,-1.0f);
        glTexCoord2f(1.0f, 1.0f); glVertex3f( 1.0f, 1.0f,-1.0f);
        glTexCoord2f(0.0f, 1.0f); glVertex3f(-1.0f, 1.0f,-1.0f);
    glEnd();

    return TRUE;
}

C-/C++-Quelltext

while(!done)
    {
        if(PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
        {
            if(msg.message == WM_QUIT)
            {
                done = true;
            }
            else
            {
                TranslateMessage(&msg);
                DispatchMessage(&msg);
            }
        }
        else
        {
            if((active && !DrawGLScene()) || keys[VK_ESCAPE])
            {
                done = true;
            }
            else
            {
                SwapBuffers(hDC);
                
                if(keys[VK_F1])
                {
                    keys[VK_F1] = false;
                    KillGLWindow();
                    fullscreen = !fullscreen;
                    
                    if(!CreateGLWindow(L"Test", 640, 480, 16, fullscreen))
                    {
                        return 0;
                    }
                }
            }
        }
    }