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Author Topic: SurfaceIFS - Fragmentarium screen captures (time-lapse)  (Read 2118 times)
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Kali
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« on: February 03, 2012, 01:52:30 PM »

Playing with Fragmentarium, using a formula I called SurfaceIFS (x,y folds + scale + rotations)

Sorry for the low quality, but HD could take ages to upload with my shitty internet connection  sad

<a href="http://www.youtube.com/v/XkZvESEGyGA&rel=1&fs=1&hd=1" target="_blank">http://www.youtube.com/v/XkZvESEGyGA&rel=1&fs=1&hd=1</a>
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KRAFTWERK
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« Reply #1 on: February 03, 2012, 02:46:13 PM »

Looks like a lot of fun!  afro
I have to try it out!
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eiffie
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« Reply #2 on: February 03, 2012, 06:12:00 PM »

love the vid but you couldn't give us one screen shot of the formula?!?!
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marius
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« Reply #3 on: February 03, 2012, 06:21:22 PM »

Playing with Fragmentarium, using a formula I called SurfaceIFS (x,y folds + scale + rotations)

Nice, love the napkin to fungus flows.
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cKleinhuis
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formerly known as 'Trifox'


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« Reply #4 on: February 04, 2012, 08:24:46 PM »

video uses music that is not available in germany sad
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---

divide and conquer - iterate and rule - chaos is No random!
Kali
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Posts: 1138


« Reply #5 on: February 05, 2012, 04:06:09 AM »

Ok, here's the DE... Julia, Scale, Fold, RotVector and RotAngle are the parameters:

Code:
float DE(vec3 pos) {
rot = rotationMatrix3(normalize(RotVector), RotAngle);
vec3 p = pos, p0 = Julia;

int i=0;
for (i=0; i<Iterations; i++) {
p*=rot;
p.xy=abs(p.xy+Fold.xy)-Fold.xy;
p=p*Scale+p0;
if (i<ColorIterations) orbitTrap = min(orbitTrap, abs(vec4(p.xyz,0)));
}
return (length(p))*pow(Scale, -float(i));
}


Thanks for the comments

P.S.: Sorry about the music, Chris!
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cKleinhuis
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« Reply #6 on: February 05, 2012, 11:14:13 AM »

if i get fragmentarium code as apology, i cant be upset wink
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divide and conquer - iterate and rule - chaos is No random!
Kali
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Posts: 1138


« Reply #7 on: February 05, 2012, 06:28:10 PM »

if i get fragmentarium code as apology, i cant be upset wink

 O K !!

This is the full .frag file of a render using this formula, had to rename it to .txt because it says .frag files are not allowed 


* treebroccoli.jpg (74.85 KB, 800x700 - viewed 342 times.)
* treebroccoli.txt (17.85 KB - downloaded 306 times.)
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knighty
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« Reply #8 on: February 05, 2012, 09:03:27 PM »

Nice video. smiley
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subblue
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« Reply #9 on: February 05, 2012, 09:06:08 PM »

Very nice. I love the tree structures that popup with these formulas.
I explored a few here: <a href="https://vimeo.com/moogaloop.swf?clip_id=34659879&amp;server=vimeo.com&amp;fullscreen=1&amp;show_title=1&amp;show_byline=1&amp;show_portrait=0&amp;color=01AAEA" target="_blank">https://vimeo.com/moogaloop.swf?clip_id=34659879&amp;server=vimeo.com&amp;fullscreen=1&amp;show_title=1&amp;show_byline=1&amp;show_portrait=0&amp;color=01AAEA</a>
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www.subblue.com - a blog exploring mathematical and generative graphics
cKleinhuis
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formerly known as 'Trifox'


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« Reply #10 on: February 05, 2012, 09:30:24 PM »

i include .frag in the allowed file types, thank you
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divide and conquer - iterate and rule - chaos is No random!
cKleinhuis
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« Reply #11 on: February 05, 2012, 09:35:46 PM »

dude this is a way cool script, amazing transforms.... gotta play with fragmentarium, and type in some own formulas ... wink
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divide and conquer - iterate and rule - chaos is No random!
Kali
Fractal Supremo
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Posts: 1138


« Reply #12 on: February 06, 2012, 09:29:04 AM »

Thanks for the comments. This is obvioulsy nothing very new, but a variant of knighty's KIFS, and also similar to Mandelbulb3D genIFS formula (but the folding is different).
I just like how it develops from a plain 2D surface to a complex surface or solid fractal. Try it also with Tglad's boxfold on x-y axis.

subblue: great video, I just got a similar object by using abs and conditional swaping of x-y values... I attached the image.







* arbolitos.jpg (60.27 KB, 1024x563 - viewed 348 times.)
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