POV-Ray : Newsgroups : povray.binaries.images : Trefoil damage : Re: Trefoil damage Server Time
4 Nov 2024 22:21:39 EST (-0500)
  Re: Trefoil damage  
From: Bruno Cabasson
Date: 19 Jan 2006 08:00:00
Message: <web.43cf8c76288429ea82fc96790@news.povray.org>
"Bill Pragnell" <bil### [at] hotmailcom> wrote:
> What ho
>
> Here's a first try at trefoil bombardment. Because the dispacement macro
> returns a vector, I can add several together to produce multiple impacts.
> Implementing the displacements in the trefoil program was a little fiddly
> because I had to call it for the bricks, steps, step sideboards, handrail
> posts and handrails separately. Somewhat arbitrarily, I've used thin
> semitransparent beams to show the impact axis, and they've turned out
> rather well - they look like some kind of projected beam weapon!
>
> This is a scaled-down version from a 1600x1200 image (~900k), which can be
> viewed at:
>
> http://www.infradead.org/~wmp/trefoil_pow.jpg
>
> The large image took ~1.5 hours to render, over half of which was parsing. I
> reckon I could streamline my code a bit to improve that - I think I might
> be doing some unnecessary calculation / variable declaration somewhere. I
> also need to put a cutoff radius in the displace macro - you can just see
> that the stairs in shadow on the column which threads the lower-right loop
> have been perturbed by the beam where it passes close.
>
> Cool, eh?
>
> Bill

Only one word: Wow.

    Bruno.


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