Oh yeah, they are! They seem to reduce a bit of freedom in the design space, but give lots and lots of benefits for computation. For games, these are excellent curves I think (fast arc length reparametrization, simple offset curves, ...)<div>
<div><div><div><div><br></div><div><br></div><div><div class="gmail_quote">On Fri, Mar 27, 2009 at 2:32 AM, Jason Dusek <span dir="ltr">&lt;<a href="mailto:jason.dusek@gmail.com">jason.dusek@gmail.com</a>&gt;</span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">  Theses Pythagorean Hodograph curves are interesting stuff.<br>
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<font color="#888888">Jason Dusek<br>
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