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Interesting raymarching preso

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Won

Joined: 21 Sep 2005
Posts: 506
Location: New York

	Posted: Tue Oct 07, 2008 3:43 am Post subject: Interesting raymarching preso

Thatch and I were looking at this at work a few weeks ago: http://rgba.scenesp.org/iq/divulgation/nvscene2008/nvscene2008.htm Has some neat tricks on what you can do with sphere-tracing in distance fields (lighting, warping, blob CSG). Since it was in the context of 4k demos, the distance fields are procedural in his talk.

Doug Rogers

Joined: 28 Sep 2009
Posts: 3

	Posted: Mon Sep 28, 2009 2:45 pm Post subject:

That link does not work for me.

TomF

Joined: 18 Feb 2007
Posts: 107
Location: Seattle

	Posted: Tue Sep 29, 2009 8:05 am Post subject:

Link's over a year old. It's almost certainly this one: http://iquilezles.org/www/material/nvscene2008/nvscene2008.htm

jai

Joined: 10 Apr 2007
Posts: 247

	Posted: Tue Sep 29, 2009 2:19 pm Post subject:

In addition to Tom's link, there are a whole bunch of fantastic bits on the site. My current favorite is this brief presentation behind the scenes of the amazing 4K demo 'Elevated'. It's a complete walk through -- ideas, inspiration, implementation. http://iquilezles.org/www/material/function2009/function2009.htm

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