void BasicGlCamera::calculatePixelsCoords ( )

protected

Definition at line 947 of file BasicGlCamera.cc.

References hexRadius, i, MAX_NUM_PIXELS, neighbors, pixelsCoords, skipPixels(), and updateNeighbors().

Referenced by assignPixelMap(), and BasicGlCamera().

    {
        if (pixelsCoords[0][1] >= (0.299999-hexRadius) && pixelsCoords[0][1] <= (0.300001-hexRadius))
            return;
        pixelsCoords[0][0] = 0;
        pixelsCoords[0][1] = 0.3 - hexRadius;
        pixelsCoords[0][2] = 0;
        pixelsCoords[1][0] = 0;
        pixelsCoords[1][1] = 0.3+hexRadius;
        pixelsCoords[1][2] = 0;
        neighbors[0][0] = 1;
        neighbors[1][3] = 0;
        //from which side of the previous hexagon are we coming from ?
        int fromSide = 3;
        //to which side are we heading to ?
        int toSide = 0;
        for (int i=2;i<MAX_NUM_PIXELS;i++)
        {
            toSide = fromSide-1;
            if (toSide < 0)
                toSide =5;
            while (neighbors[i-1][toSide] >= 0)
            {
                toSide--;
                if (toSide < 0)
                    toSide = 5;
            }
            fromSide = toSide + 3;
            if (fromSide > 5)
                fromSide -= 6;
            //ok. now we now in which direction we're heading
            pixelsCoords[i][0] = pixelsCoords[i-1][0];
            pixelsCoords[i][1] = pixelsCoords[i-1][1];
            pixelsCoords[i][2] = pixelsCoords[i-1][2];
            switch (toSide)
            {
            case 0:
                pixelsCoords[i][1] += 2*hexRadius;
            break;
            case 1:
                pixelsCoords[i][0] += (2*hexRadius)*sin(M_PI/3.0);
                pixelsCoords[i][1] += (2*hexRadius)*cos(M_PI/3.0);
            break;
            case 2:
                pixelsCoords[i][0] += (2*hexRadius)*sin(M_PI/3.0);
                pixelsCoords[i][1] -= (2*hexRadius)*cos(M_PI/3.0);
            break;
            case 3:
                pixelsCoords[i][1] -= 2*hexRadius;
            break;
            case 4:
                pixelsCoords[i][0] -= (2*hexRadius)*sin(M_PI/3.0);
                pixelsCoords[i][1] -= (2*hexRadius)*cos(M_PI/3.0);
            break;
            case 5:
                pixelsCoords[i][0] -= (2*hexRadius)*sin(M_PI/3.0);
                pixelsCoords[i][1] += (2*hexRadius)*cos(M_PI/3.0);
            break;
            };
//            pixelsCoords[i][1] -= hexRadius;

            updateNeighbors(i);
        }
        //Ok. So now we've circled around all the way to MAX_NUM_PIXELS
        //do the required shifts so that it matches the fact camera up to ACTUAL_NUM_PIXELS pixels
        //remember the location pixels 1438 and 1439, and re-assign them later on
        GLfloat backupCoords[4];
        skipPixels(1200, 1);
        skipPixels(1218, 3);
        skipPixels(1236, 1);
        skipPixels(1256, 1);
        skipPixels(1274, 3);
        skipPixels(1292, 3);
        skipPixels(1309, 6);
        skipPixels(1323, 7);
        skipPixels(1337, 6);
        skipPixels(1354, 6);
        skipPixels(1368, 7);
        //la c'est dans 1390 qu'il y a 1439
         backupCoords[0] = pixelsCoords[1390][0];
         backupCoords[1] = pixelsCoords[1390][1];
        skipPixels(1382, 9);
         skipPixels(1394, 12);
        skipPixels(1402, 15);
        skipPixels(1410, 12);
        //la c'est dans 1422 qu'il y a 1438
        backupCoords[2] = pixelsCoords[1422][0];
        backupCoords[3] = pixelsCoords[1422][1];
        skipPixels(1422, 12);
        skipPixels(1430, 15);

        pixelsCoords[1438][0] = backupCoords[2];
        pixelsCoords[1438][1] = backupCoords[3];
        pixelsCoords[1439][0] = backupCoords[0];
        pixelsCoords[1439][1] = backupCoords[1];
   }

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