This blog was created as a platform for my Android apps, namely NTW Text Editor and Pendulum Chaos so far. But I admit I neglect it and often digress, a lot :'(

Nevertheless, if you are interested in this sort of things, you can glean some conceptual insights into how NTW was conceived in my earliest posts

Thursday, 23 February 2012

Pendulum Chaos

My second app! This is a small app to appreciate the beauty of pendulum waves.

Pendulum Chaos is a simulation of a pendulum wave. By setting up a series of pendulums of carefully selected lengths, a pendulum wave effect is generated.


For the fellow geeks out there, the basic equation I used is theta(t)=theta0*cos(t/sqrt(L/g)).
The pendulum lengths are calculated with L(i)=g(1/(2PI*I(i)))^2.

You can also find cool videos of actual pendulum waves on youtube! These videos are also what prompted me to write this app. :D

How to use?
It's all pretty self-explanatory. You control the number of pendulums, initial swing angle, overall speed, pendulum size and colours.
I even allowed swing angles of up to 360 degrees to get effects impossible in an experimental setup.
Experiment with them yourself to get some really nice graphics!

Use similar shades of color, perhaps of light and dark brightness levels, and allow some transparency to your colors, then slow down the simulation speed to really appreciate the wave effect.

If you have any questions, you can email me at or just post something on my blog.

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