Description
In this motion I explored the visual animation effect perceived by the eye when objects rotate in a circular motion, as in what kind of simple shapes, when rotated in circle can create a perception of one continuous object. I used simple shape like lines and cross, in different orientations and at varying distance from the center of rotation to understand the perception of animation. We know when screen objects are moved at more than certain speeds, our eyes see them as one continuous motion of the objects, and most often what we talk about is the speed of the motion, but as I found here not all shapes can create one smooth motion. The shapes need to be `oriented` along the direction of rotation.
I used small frames stuck on an earbud punctured in the center to create my frame that could be animating, and the following shapes were explored in various combinations to understand visual animation
- 3 straight lines oriented along the direction of angular motion, at varying distances from the center of motion
- 2 straight lines oriented perpendiular to direction of motion
- 1 cross (it has no orientation because it is symmetric)
It was observed that only lines that were oriented towards the direction of rotation were successful in creating the visual illusion of motion, and the others weren't perceived by the eyes. The result was independently corroborated by 1 other person so it might not be biased towards my own opinion.
Materials Used
- 1x Arduino
- 1x Breadboard
- 1x DC Motor
- 1x Potentiometer
- 1x 1000 ohm resistor
- 2 x earbuds
- some post-it notes
I do realize that the descripton could be hard to understand, please review the images.
I also took care to reconstruct a much cleaner circuit, which helped me debug errors easier, so thanks.
Code
attached
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