spieleprogrammierer.de - Forum und Wiki zur Spieleprogrammierung und Spieleentwicklung

C-/C++-Quelltext

void Game::initializeGL(){
    //Texturen anschalten
    glEnable(GL_TEXTURE_2D);

    //schönere Farbübergänge auf Körpern
    glShadeModel(GL_SMOOTH);
    
    //Antialasing aktivieren
    glEnable(GL_LINE_SMOOTH);

    //schwarzer Hintergrund
    glClearColor(0,0,0,0);

    //depth buffer zurücksetzen
    glClearDepth(1.0);
    
    //Typ des Depth-Test
    glDepthFunc(GL_LEQUAL);

    //tiefen-test aktiv
    glEnable(GL_DEPTH_TEST);
    
    //festlegen der Perspektive
    glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
}

C-/C++-Quelltext

double z=-50;
double c=0.0;
int mv=0; //bewegungsvar für testcubes

void Game::paintGL(){
    Vector move_c(0,0,-0.005); //bewegungsvektor für testcube
    for (int i=0;i<mv;i++)
        move_c[2]-=0.005;

    //Puffer lehren
    glClear(GL_COLOR_BUFFER_BIT |  GL_DEPTH_BUFFER_BIT);
    
    //einheitsmatrix setzen
    glLoadIdentity();
    

    //Kamera passen drehen
    glRotated(main_player.get_camera_angle()[0], 1,0,0);
    glRotated(main_player.get_camera_angle()[1], 0,1,0);
    glRotated(main_player.get_camera_angle()[2], 0,0,1);

    //Kamera passen setzen
    glTranslated(-main_player.get_position()[0], -main_player.get_position()[1], -main_player.get_position()[2]);
    
    glColor4d(1,1,1,1);
    GLuint tex =  **textures.begin();
    
    glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE,
                    GL_REPLACE); //GL_REPLACE or GL_MODULATE



    glBindTexture(GL_TEXTURE_2D, tex);
    
    glBegin(GL_QUADS);
     glTexCoord2f(0,0); glVertex3f(-1,1,z);  //lo
      glTexCoord2f(0,1); glVertex3f(-1,-1,z); //lu
      glTexCoord2f(1,1); glVertex3f(1,-1,z);  //ru
      glTexCoord2f(1,0); glVertex3f(1,1,z);   //ro
    
        glColor3d(1,1,1);glVertex3d(-20,-1,20);
        glColor3d(1,0,0);glVertex3d(-20,-1,-20);
        glColor3d(0,1,0);glVertex3d(20,-1,-20);
        glColor3d(0,0,1);glVertex3d(20,-1,20);
    glEnd();

    z+= 0.01;
    c+=0.25;
    mv++;

    
    glFlush();
}

C-/C++-Quelltext

GLuint* Parser::loadGLTexture(string dir)
{
    QImage t;
    QImage temp;
    QImage b;

    GLuint* texture = new GLuint;

    if ( !b.load(dir.c_str()) )
    {
        b = QImage( 16, 16, QImage::Format_ARGB32 );
        b.fill(0);
        cout << "burn\n";
    }


    if (b.format() == QImage::Format_ARGB32)
        temp = b; //korrektes Format einstellen
    else
        temp = b.convertToFormat(QImage::Format_ARGB32);

    t = QGLWidget::convertToGLFormat(temp);

    glGenTextures( 1, texture);
    glBindTexture( GL_TEXTURE_2D, *texture);


    glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST );
    glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);

    glTexImage2D( GL_PROXY_TEXTURE_2D, 0, GL_RGBA, t.width(), t.height(), 0, GL_RGBA, GL_UNSIGNED_BYTE, t.bits() );

    return texture;
}