Welcome to Fractal Forums

Fractal Software => Fragmentarium => Topic started by: knighty on May 26, 2012, 03:52:36 PM




Title: Doyle spirals
Post by: knighty on May 26, 2012, 03:52:36 PM
Inspired by Jos Leys work.
http://www.josleys.com/show_gallery.php?galid=265
http://www.josleys.com/article_show.php?id=3

See also:
http://klein.math.okstate.edu/IndrasPearls/cusp.pdf


Title: Re: Doyle spirals
Post by: DarkBeam on May 26, 2012, 05:20:07 PM
You are ... absurdly wonderful :banana: :banana: :banana:

I never understood a word of this...


Title: Re: Doyle spirals
Post by: Syntopia on May 26, 2012, 11:41:16 PM
Another great script, Knighty.

I see you found a work-around for doing some of the work in the vertex shader :-) I'll add vertex init-hooks to the raytracers - it is a good idea. Also, you are right that thes pre-calculations should run on the host, but it would be difficult to implement. It would require embedding a dynamic c-compiler, and implement something like the GLSL matrix and vector classes.


Title: Re: Doyle spirals
Post by: knighty on May 27, 2012, 08:32:52 PM
Thank you Darkbeam and Syntopia.
I see you found a work-around for doing some of the work in the vertex shader :-) I'll add vertex init-hooks to the raytracers - it is a good idea. Also, you are right that thes pre-calculations should run on the host, but it would be difficult to implement. It would require embedding a dynamic c-compiler, and implement something like the GLSL matrix and vector classes.
It wouldn't be possible without the feature you provided to embed vs code ;)
I don't think it is necessary to go for a compiler. An interpreter would be sufficient. Anyway, this is not a priority IMHO.
BTW, what happened to reflections in the last version's renderers?


Title: Re: Doyle spirals
Post by: Syntopia on May 28, 2012, 10:17:26 PM
BTW, what happened to reflections in the last version's renderers?

Hmm. They were removed when I refactored some code. They will be put back in, but I need some more generic code to make them work with Image-Based Light.


Title: Re: Doyle spirals
Post by: benoit-1842 on June 16, 2012, 06:20:03 AM
Wow I love your work !!!!!  I like the spiral and the fluid bubble.  I am new and very beginner to fragmentarium ( I download the program and messing with it).  Can you give me some clues to how I can get a masterpiece like yours and even to animate it...

Thanx in advance

Ben


Title: Re: Doyle spirals
Post by: DarkBeam on June 16, 2012, 11:15:05 AM
Wow I love your work !!!!!  I like the spiral and the fluid bubble.  I am new and very beginner to fragmentarium ( I download the program and messing with it).  Can you give me some clues to how I can get a masterpiece like yours and even to animate it...

Thanx in advance

Ben

Download the .zip attachment. For animations, I fear it's not possible? :dink:


Title: Re: Doyle spirals
Post by: matsoljare on June 16, 2012, 06:23:59 PM
What if you were to replace each sphere with just a dot of light at the center?


Title: Re: Doyle spirals
Post by: Syntopia on June 16, 2012, 11:17:56 PM
For animations, I fear it's not possible? :dink:

Possible, but not as easy as M3D. You will have to base animation on the' time' variable in the script (place 'uniform float time;' at top of script), and use animation menu to export single images. Then use something like VirtualDub and HandBrake to create animation.

Example:
http://www.youtube.com/watch?v=ShGAnWlCzDU&feature=youtu.be