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Generative Animation with Elm
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Ulric Wilfred
January 26, 2019
Programming
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Generative Animation with Elm
Presented at f (by) '19
Ulric Wilfred
January 26, 2019
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Transcript
Generative Animation with Elm f (by) ‘19 Minsk, Belarus
the obsessed engineer @shaman_sir the obsessed designer Sergo Golovachev Anton
Kotenko
1. The Problem hierarchy of needs from the designers’s point
of view splashes, banners, screensavers… maybe sales something else bla-bla-bla
The Company needs splash screens and banners for
every new IDE version and product
~2000 graphical artifacts per release
Pressure with time, every release requires new style
It should be complex, not minimal
None
So the designer comes to the idea to
generate this stuff (Company doesn’t care about the way it’s done)
It is better if it would be animated, so the
designer will be able to find and save the nicest frame
It is better if it includes time travel, so
the designer would be able to return back in time to the frame they missed
Trying new ideas should be easy, so it should
be easy to change the parts of the generated Thing
1. The Problem The programmer’s point of view λ
Why functional programming?
We’ve tried with p5.js and JavaScript and it’s error-prone
None
Haskell is fascinating
Algebraic Data Types save lives
We need the web output
Elm compiles to JS
Elm started with the graphics from the first
point
Elm is OK with both animation and time travel
None
2. The solution
We had no idea what we get as the result
Functional Programming Elm WebGL Shaders λ Precursors:
Combine different techniques Fractals Delaunay Voronoi FSS
Layers - to try Canvas / WebGL / Text,
to control their order Canvas WebGL SVG WebGL
None
None
MUV but for layers (triggered by animation ticks along with
other events) Canvas WebGL SVG WebGL Tick
None
None
JS-to-Elm connection: random numbers as side-effect
Canvas WebGL SVG WebGL FSS Start | Import | ChangeConfiguration
(also Lucky) Tick
None
Elm-WebGL is awesome https://github.com/elm-explorations/webgl
Type control for shaders code
https://github.com/JetBrains/elmsfeuer https://www.jetbrains.com/goodies/code2art/#tron
Fin.