Shadows in Plato's Digital Cave #2

Reinterprets Plato's Allegory of the Cave in digital age. Instead of shadows on a cave wall, imagine prisoners are bound to watch an endless stream of curated content on a screen---it begs the question: What is reality when one's perception is constantly shaped by mediated and curated information?

Details

Size:
2:3 width-height aspect ratio, responsive to browser's window size.

Series:
#1 in the "Digital Dyslexia: Deciphering Truth in the Digital Age" series. This series ponders on the issues of living in this digital/information age.

Test browsers:
Linux's desktop Firefox, Chromium, and mobile Safari.

Controls:
Click on the canvas to show/hide overlay control panel. By default, it draws one "shadow" per frame. You can speed up the drawing in the control panel. Also, you can save the image in predefined sizes or any arbitrary size (respecting the 2:3 aspect ratio).