UPDATED: March 14, 2011 here

Continuing my tests/experiments with the Canvas tag has led to the Ping prototype. I had 3 minimal things I wanted to accomplish: Detecting the intersection of a 360 degree arc of ray/line segments to previously defined in map shapes; a visual decay/fade out of intersection points on the canvas, and lastly a test of performance. In addition I decided to experiment with another approach to Javascript object construction in the hopes of getting a performance gain.
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