Animate CC -flappyBird -Part6

In this section you add script for ...

Follow the tutorial

http://blogs.adobe.com/animate/part-6-building-a-html5-flappy-bird-game-clone-with-adobe-animate-cc/















my issue
with undefined instance - in UI class

I changed the following form 'this' to 'exportRoot'

function UI()

{

this.scoreLabel = exportRoot.score;

this.gameOverPrompt = exportRoot.gameOverPrompt;

this.getReadyPrompt = exportRoot.getReadyPrompt;

this.anyKeyPrompt = exportRoot.anyKeyPrompt;

this.screenFlash = exportRoot.ScreenFlash;

this.getReady();

}

UI.prototype.updateScore = function(score)

{

this.scoreLabel.text = score;

}

UI.prototype.getReady = function()

{    

this.gameOverPrompt.visible = false;

    this.getReadyPrompt.visible = true;

exportRoot.startInstructions.visible = true;

exportRoot.screenFlash.visible = false;

}

UI.prototype.gameStart = function()

{

    this.updateScore(0);

this.gameOverPrompt.visible = false;

    this.getReadyPrompt.visible = false;

    exportRoot.startInstructions.visible = false;

    exportRoot.screenFlash.visible = false;

}

UI.prototype.gameOver = function()
{
  this.gameOverPrompt.visible = true;
  this.getReadyPrompt.visible = false;
  exportRoot.startInstructions.visible = true;
}

UI.prototype.triggerScreenFlash = function()
{
  exportRoot.screenFlash.visible = true;
  exportRoot.screenFlash.alpha = 1;
  createjs.Tween.get(exportRoot.screenFlash).to({alpha:0}, 100);

}