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resizeCanvas.js 

define([],function(){

Updates the canvas size to meet the window size.

  • Returns true if a resize was performed (leaving the canvas blank).
  • Returns false if a resize was not performed (leaving the canvas intact).
 
  return function (canvas){
    if(!((canvas.width === window.innerWidth) && 
         (canvas.height === window.innerHeight))){
      canvas.width = window.innerWidth;
      canvas.height = window.innerHeight;
      return true;
    }
    return false;
  }
});