(particle
                based)</li>
            <li>a small sphere burns while a torus spins around
                it</li>
        </ul>
    </li>
    <li><a href="spiral/spiral.dpr"><b>spiral</b></a><b>&nbsp;:</b><ul>
            <li>sample for ParticleFX, two multi-colored particle systems 
		in the same scene</li>
            <li>using the FullScreenViewer for full-screen rendering</li>
        </ul>
    </li>
    <li><a href="motionblur/motionblur.dpr"><b>motionblur</b></a><b>&nbsp;:</b><ul>
        