Show HN: Hexagonal Minesweeper with multiplayer, geographic maps, zoom and pan

For an architectural overview, view source of the page. Bottom has an ascii diagram of the geometry, and how the program works.

For example: "a hexagon is six equilateral triangles (length h) put together around a common center"

      ____                                _______
     /\  /\        « each bisected        \  |  /  (1/2, √3/2)  
    /__\/__\         triangle in it      h \ | /                
    \  /\  /         is defined by          \|/  60°            
     \/__\/ h        the unit circle »     (0,0)