Dual Billiards

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The red point looks at the blue points and is reflected in the one furthest to its right; the process repeats with the new reflected point.
Contributed by: George Beck (March 2011)
Open content licensed under CC BY-NC-SA
Snapshots
Details
S. Tabachnikov, Geometry and Billiards (Mathematics Advanced Study Semesters), Providence, RI: American Mathematical Society, 2005.
Permanent Citation
"Dual Billiards"
http://demonstrations.wolfram.com/DualBilliards/
Wolfram Demonstrations Project
Published: March 7 2011