Dear Viktoras,
I'm looking at turning this thread into a series of articles for the
Newsletter. I wonder if you would be interested in participating?
This would make an interesting article, which would be quite easy to
write up, a lot of it is here already. An article needs to be about 6
or 7 paragraphs long, a good length is around 800-900 words. We like
screenshots and downloadable stacks. It should include a little bit
about why you made it, what you use it for, how long it took, why Rev
was good to do it in, and of course, crucially, how you did it.
Let me know if you are interested.
Regards,
Heather
On 5 Jul 2007, at 13:15, viktoras didziulis wrote:
Hi!
here are few more examples of "recreational" programming with Rev :-).
One stack is an experiment to see whether the well known "game of
chaos" where seemingly random process creates a deterministic
outcome (sierpinski fractal) produces similar results for any
configuration of points or just for the triangle. It turned out
that for shapes other than triangle it produces random clouds of
points, so the triangle is "special". It is also an alternative
"random" way to draw a line between any two points in space. You
can draw and see these fractals and clouds there:
go stack URL "http://ekoinf.net/chaos_game2.rev";
Another stack was an attempt to reproduce a few graphic algorithms
in Revolution. For water ripples (like in java applet at http://
www.neilwallis.com/java/water.html ) Revolution engine
unfortunately was too slow. But for the fire effect it performed
reasonably fast for small images (100x100 pixels). So I created a
completely useless stack where one can load any picture which is
then automatically resized to 100x100 and used as a cooling map for
fire algorithm so that animated burning fire patterns emerge in a
small 100x100 image area nearby.
go stack URL "http://ekoinf.net/fire3.rev";
When loaded it contains 2 snapshots of an image and fire with
cooling patterns from the image. To see the animated fire you would
have to load your own image by clicking Fire!!! button. To stop the
show click shift or mouseclick on any of the 2 images in the stack.
One more interesting algorithm to test on Rev would be Warp Map
(http://freespace.virgin.net/hugo.elias/graphics/x_warp.htm). I saw
it implemented in C++ and Rebol (where surprisingly worked
reasonably fast on large images). But recently found more catching
topic where Revolution will be very useful - conversion of TFT
monitors to "holographic screens". Well, actually not really
holographic but rather stereoscopic (no glasses required) where
image is formed from parts of 2 images and 3D object pops-out of in
front or beyond the screen. All what is needed is a high resolution
printer, transparency and a tool to calculate and produce parallax
barrier mask based on monitor resolution and pixel size (and then
printed onto a transparency) and calculate a gap between the LCD
monitor and the barier. The tool will also combine images suitable
for viewing within such a system and be able to make 1 pixel offset
adjustments to make images match with parallax barrier mask. Going
to use hints as in
http://www.lucente.us/career/syn3d/ps5.html
and
http://www.osa-opn.org/include/pdf_include/3DWorld_Part4.pdf
All the best!
Viktoras
J. Landman Gay wrote:
---
It is so satisfying to be able to write whatever I need. Anyone
else done little personal stacks with Rev lately?
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Heather Nagey
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Runtime Revolution Ltd
http://www.runrev.com
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