forked from: code on 2009-1-11

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The 25-Line ActionScript Contestの 
November/December Finalistsの Entry 059を移植した。 
オリジナルより読みやすいと思う。 
オリジナルはBen Morrison氏作 
クリックで３Ｄモードを切り替え 
ESCキーでカラーモードが切り替わります。 
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