void textura_rajzol()
    {
        texturaKeszit();

        float elso=1;
        float masodik=0;

        glGenTextures(1, &felszin);
        glBindTexture(GL_TEXTURE_2D, felszin);

        glTexImage2D(GL_TEXTURE_2D,0,GL_RGB,256,256,0,GL_RGB,GL_UNSIGNED_BYTE, textura);

        glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR);
        glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);
        glEnable(GL_TEXTURE_2D);

        int korok_szama=40;
        for(int i = 0; i < korok_szama; i++)
        {
            glBegin(GL_QUAD_STRIP);
            for(int alfa = 0; alfa < 360; alfa++)
            {
                if(alfa%2==1)
                    masodik=1;

                Vector pont = Vector(
                kp.x + sugar*cos(2*(M_PI/360.0)*alfa)*sin((2*M_PI/korok_szama)*(i)),
                kp.y + sugar*sin(2*(M_PI/360.0)*alfa)*sin((2*M_PI/korok_szama)*(i)),
                kp.z + sugar*cos((2*M_PI/korok_szama)*(i)));

                Vector kovetkezopont = Vector(
                kp.x + sugar*cos(2*(M_PI/360.0)*alfa)*sin((2*M_PI/korok_szama)*(i+1)),
                kp.y + sugar*sin(2*(M_PI/360.0)*alfa)*sin((2*M_PI/korok_szama)*(i+1)),
                kp.z + sugar*cos((2*M_PI/korok_szama)*(i+1)));

                Vector normalis= pont-kp;
                glNormal3f(normalis.x,normalis.y,normalis.z);

                glTexCoord2f(elso--,masodik);
                glVertex3f(pont.x,pont.y,pont.z);

                Vector normalis2= kovetkezopont-kp;
                glNormal3f(normalis2.x,normalis2.y,normalis2.z);

                glTexCoord2f(elso,masodik);
                glVertex3f(kovetkezopont.x,kovetkezopont.y,kovetkezopont.z);

                elso=1;
                masodik=0;
            }
             glEnd();
        }
    }