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 ccPointCloud *cc_cloud = new ccPointCloud;
    cc_cloud->reserve(100);
    for (int i = 0; i < 100; i++)
    {
        CCvecotr3 p;
        p.x = i;
        p.y = i;
        p.z = i;
        cc_cloud->addPoint(p);
    }

    cc_cloud->enableScalarField();
    cc_cloud->showColors(true);
    if (cc_cloud->resizeTheRGBTable(true))
    {
        srand(static_cast<unsigned int>(time(0)));
        std::vector<unsigned char> colors;
        for (size_t i = 0; i < cc_cloud->size(); i++)
        {
            colors.push_back(static_cast<unsigned char>(rand() % 256));
            colors.push_back(static_cast<unsigned char>(rand() % 256));
            colors.push_back(static_cast<unsigned char>(rand() % 256));
        }

        int next_color = 0;
        for (int i = 0; i < cc_cloud->size(); i++)
        {
            ccColor::Rgb rgb = ccColor::Rgb(colors[3 * next_color], colors[3 * next_color + 1], colors[3 * next_color + 2]);
            cc_cloud->setPointColor(i, rgb);
            next_color++;
        }
    }