void maze()
{
    u8 dirs[4];
    int i, xf, yf, x, y, madd, mapPtr, ndirs, dir, mcount=0;

    for (i=0; i<256*256; i++)            //clear maze array
        mazeArray[i]=mcol;

    for (i=0; i<256*256; i++)             //clear map
        mapx[i]=0; mapy[i]=0;


    x = minx; y = miny; mapPtr = 0;
    mazeArray[x + y*256]=0;
    mapx[mapPtr] = x; mapy[mapPtr] = y; mapPtr++;


    mazeStart:

        dir = 0; ndirs = 0; xf = 0; yf = 0;
        madd = y*256+x;

        if (x<maxx)
            { if (mazeArray[madd+2] == mcol) { dirs[ndirs]=1; ndirs++; } }
        if (y>miny)
            { if (mazeArray[madd-256*2] == mcol) { dirs[ndirs]=2; ndirs++; } }
        if (x>minx)
            { if (mazeArray[madd-2] == mcol) { dirs[ndirs]=3; ndirs++; } }
        if (y<maxy)
            { if (mazeArray[madd+256*2] == mcol) { dirs[ndirs]=4; ndirs++; } }

        if (ndirs==0)
        {
            mapPtr--; if (mapPtr == 0) goto done;       //trace back
            x = mapx[mapPtr]; y = mapy[mapPtr];
            goto mazeStart;
        }

        dir = dirs[rand()%ndirs];
        if (dir == 1) { xf =  1; yf =  0; goto dirok;}
        if (dir == 2) { xf =  0; yf = -1; goto dirok;}
        if (dir == 3) { xf = -1; yf =  0; goto dirok;}
        if (dir == 4) { xf =  0; yf =  1; goto dirok;}

        goto done;

    dirok:

        x = x + xf; y = y + yf;
        mazeArray[x + y*256] = 0;

        x = x + xf; y = y + yf;
        mazeArray[x + y*256] = 0;

        mapx[mapPtr] = x; mapy[mapPtr] = y; mapPtr++;

        goto mazeStart;



    done:


    u8 *mazeImage = new u8[256*256*3];


    for (i=0; i<256*256; i++)
    {
        mazeImage[i*3+0]=mazeArray[i];
        mazeImage[i*3+1]=mazeArray[i] >> 1;
        mazeImage[i*3+2]=mazeArray[i] >> 2;
    }




    u8 *mazeimage = new u8[256*256*3];
    glGenTextures(1, mazetex);

        glBindTexture(GL_TEXTURE_2D, mazetex[0]);
        int j=256;
        for (i = 0; i<9 ; i++)
        {
            gluScaleImage(GL_RGB, 256, 256, GL_UNSIGNED_BYTE, mazeImage,
                j, j, GL_UNSIGNED_BYTE, mazeimage);
            glTexImage2D(GL_TEXTURE_2D, i, 3,
                j, j, 0, GL_RGB,
                GL_UNSIGNED_BYTE, mazeimage);
            j = j >> 1;
        }
        glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_LINEAR );
        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST );
        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );



}