text: // Tau.js - https://github.com/egraether/Tau.js
  
  ( function() {
  
  	var TAU = 2 * Math.PI;
  
  	if ( typeof define === "function" && define.amd ) {
  
  		define( function() {
  			return TAU;
  		} );
  
  	} else {
  
  		window.TAU = TAU;
  
  	}
  
  } )();