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Realtime Mandelbrot Fractal Zoomer by Sector One [web] [nfo]

platform :

  Playstation 3
type :

  intro
release date : january 2011
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popularity :
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average rating 0.81
alltime top: #1215
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added on the 2011-01-27 by zerkman  

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! I hope to see a lot more for the ps3. such a cool platform for demos.
  added on the 2011-02-02 20:56:44 by Prot-DHS  
Just for fun, I just added an old 4kb "deep" Mandel Zoom I made some years ago. You can get it here:

http://www.pouet.net/prod.php?which=56614

As Zerkman say the zoom depth is limited with single precision float. I use double, wich is quite slow on CELL/SPU.
  added on the 2011-02-02 21:55:40 by leonard  
Nice Leonard, but unlike your version, the PS3 version does not seam to use the zoom trick, every frame, every pixel seams realtime calculated probably in 1920x1080, i'm not sure about the actual resolution, but it is pretty high with a very decent frame rate.
  added on the 2011-02-02 22:49:43 by PauloFalcao  
PauloFalcao: indeed on the shown video every pixel is actually calculated in 1920x1080, 128 iterations, as you can "see" in the source code.
  added on the 2011-02-02 23:05:57 by zerkman  
yes Paulo, PS3 mandel is really computing 1920*1080 pixels, which is really impressive, and don'"t use "zoom" trick.
My version use a nice trick wich could be used to otimize the ps3 version, but the algortihm should be a bit harder to run on SPU with good load balancing. Basically the idea is that if you can find an area of the mandel where the perimeter is made of the same pixel, then all the enclosed area can be filled with that pixel value. This is a "huge" optimisation, but tricky to do on SPU
  added on the 2011-02-03 00:44:07 by leonard  
Where is leonards mandelzoomer (for PC I assume)?
Pouet link seems to be invalid.
  added on the 2011-02-03 14:25:17 by Sdw  
leonard: your "nice trick" doesn't work with smooth colouring. Not even in the black area without precision (and quality) loss. I could use another mathematical trick to speedup the black part rendering, but it was fast enough ;)
  added on the 2011-02-03 14:28:36 by zerkman  
wtf? each time i navigate to the link posted above, the address bar says http://www.pouet.net/prod.php?which=56614 but I get a different page each time!?!?!?
  added on the 2011-02-03 14:40:29 by hooverphonique  
hooverphonique: the above link was a dupe, so admins removed it, and a removed pouet id link redirect to the "random prod" page :)
  added on the 2011-02-03 14:52:41 by rez  
good
  added on the 2011-02-03 15:14:31 by gopher  
Just checked it yesterday on my PS3 ... it's really fast ... and nice :)
  added on the 2011-02-04 12:41:22 by slippy  
Thanks Zerkman. It's better than nothing. :)

  added on the 2011-02-05 19:53:11 by AntDude  
Nice! I'll try it on the PS3 emulator I wrote for the Falcon :)
  added on the 2011-02-06 16:09:49 by shoggoth  
yes sorry my link was a dupe. My original old zoomer is here:
http://pouet.net/prod.php?which=8486
  added on the 2011-02-07 11:25:35 by leonard  
The trick given by leonard can be SEEN here:
http://pouet.net/prod.php?which=56648
  added on the 2011-02-07 21:57:23 by baah  
Nice
  added on the 2011-02-08 20:43:25 by BiTL  
Nice!
  added on the 2011-02-11 13:33:18 by Mystra  
Mandelbulb please?
  added on the 2011-02-15 04:23:44 by Hoild  
Zerkman:
Bien joué, mec. If you have time give us MORE! Appart the PLASTIC dudez!!, you are the pioneer on this field.
What are your plans?
  added on the 2011-02-15 09:40:01 by sim  
btw is there any good windows rt fractal zoomer?
  added on the 2011-02-25 03:42:48 by Speed  
Fractals on the Cell!
  added on the 2011-04-25 17:34:04 by Venty  
Excellent use of the SPUs with async DMA! This is how to take the most out of the PS3.
  added on the 2011-11-13 01:45:01 by sam  

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