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Polar Coordinate Etch-a-Sketch

19 Nov 2015
Progress: Demo

Escape the Cartesian system! One knob controls angle, the other controls radius.

Round etch-a-sketch
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Above is a browser-based simulation of a polar coordinate etch-a-sketch. Use the arrow keys to control the knobs (up/down for radius, left/right for angle), and shake it using your mouse to erase.

Update: added touch screen and accelerometer support. Twizzle the knobs and shake to erase.