Animate CC - HTML5 nasty Bug

It looks like duplicate symbols on different periods are not exported from the HTML5 document type.

1. create a new project canvas, draw a rectangle on the stage and convert it to a symbol. Name the symbol an instance "box1".

2 copy the box symbol, create a new blank keyframe and paste the symbol on the new keyframe empty. Replace the copied box "box2" instance name

3. Save and test your document.

4. open the HTML file and enter this code at the bottom of the function 'init '.

Console.log (exportRoot.Box1);

Console.log (exportRoot.Box2);

5. refresh the page and look in the console of the developer. The first symbol is found, the second is not defined.

If you look in the JS file exported CC animate you find the instance "box1" on the scene, but nothing for "box2".

Here is a link to the test document I created:

http://www.filedropper.com/canvasbug

Yes, I've been complaining about this one for a while. Basically, the exporter is a little too optimization-happy when it comes to managing instances of the scene. Objects instantiated never really deleted when they leave the scene, they get just off (invisible paused and done), then if any, switched back again. This management of object model is at odds with the Visual model in the IDE, creating several problems (that do not exist in ActionScript mode):

  • As you have noted, all subsequent instances will be stuck with the name of first instance (since it's exactly the same instance turns).
  • It also means that if you are trying to instantiate later a different symbol, but by re-using the same name, it will not work.
  • Headphones timers on an instance or event will continue to be active even if it is removed from the scene.
  • Event listeners added in an instance will be reproduced, duplicated, etc. when the instance comes (because the original is still there).
  • Graphics animated inside the instance do not automatically play the first time.
  • All variables on an instance will retain their previous values.

In other words, all the problems of initialization and persistence, you expect to arise because it is NOT a fresh object created when you instantiate the same object multiple times on the same timeline. Instead he keeps just recycling of objects.

So even if this must certainly be fixed, most of these problems can be coded around at the moment:

  • Always explicitly initialize all variables.
  • Always run a check of hasEventListener() before using addEventListener().
  • Timers and event listeners can check the ._off of the clip property to see if the clip "currently exists."
  • The animated graphic symbols should be explicitly played with gotoAndPlay (1).

The issue of name conflict is more hairy, but could also be bypassed by running with each clip set its own .name property (Flanimate currently does not define this for some reason any), then to find a clip by name, browse .children parent table until you find the clip with this set of name.

Tags: Adobe Animate

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