tarngerine/rtp2020

5/28 — Week 2 — Time and Motion (John Whitney)

Opened this issue · 9 comments

tarngerine commented
  • Started with going over homework with Karina, Ming (Ophelia), Nun

Discussed quotes from Vera Molnar article

Now I have to really think about what I am doing while drawing in order for Jeff to write a program to deal with what I can do as second nature. This thinking has made the making of the hand work much clearer.

Audio + Images

Synchrony, Mary Ellen Bute (Houston, TX):

We will take a mathematical formula and put it into terms of moving forms, music and color. They will tell a story to the eye and the ear. A legend can be built thus around arithmetical or logarithmic...
Dada (1936) - dancing shapes to music, 2d and 3d, cubes flying around, lines coming in like bohemian rapsody in fantasia.
Oskar Fischinger
Normal Mclaren - Pen Point Percussion

Brothers took WW2 decommisioned machines to make animations
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In the future, artists may need to learn programming in order to practice their craft

Larry Cuba - https://www.youtube.com/watch?v=OkyqP-g_LrY

John Whitney — famous for developing video
Also has a brother, James Whitney
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1961 — Catalog, created on analog computers
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Using math to drive image and sound, working with IBM/programmers, write software on computer screen, film camera pointed at a monitor, make frame by frame animation. A lot of film in 70s are computer made
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Book recommendation for audio/visual expression
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Everything is a wave form: light, sound. Tools to map from one wave form to another

Whitney wrote a book on the internetarchive

tarngerine commented

https://www.youtube.com/watch?v=jIv-EcX9tUs

Polar coordinates with a lot of params

tarngerine commented

So much of his work is MATH

frequency
phase
amplitude

sin/cos

Use one sin to control another sin
Take one freq to modulate another freq
"freq modulation"
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Math to drive movement and sound, not necessary to do sound for homework, but is a fun extra

Japanese artist: masahi kosato + student films
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two sin waves with diff frequency > spiral form called "Leueeiufoawwaef"
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animation for concepts: https://www.youtube.com/watch?v=qZCRtN0lfVs

tarngerine commented

Technical notes

ofGetElapsedTimef() outputs in seconds, multiply to increase speed
feed into sin as angle, always output as -1 and 1
ofMap() to map that -1 to 1 range to ofGetWidth()
6.28s to go 1 full cycle (2 * pi)
ofDrawCircle(x y r)

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  • frequency > vary speed using loop

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see patterns in the lines

  • phase > shift left/right

  • amplitude >

lay things out in a circle, or move in circular pattern, use sin / cos

https://en.wikipedia.org/wiki/Lissajous_curve

Trace a dot over time

add ofPolyline trail to header file
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tarngerine commented

Homework

Reading

book: articulated lights
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collection of artist statements, pick 1 to read

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Recreation

John Whitney, something like a 5-10s loop