Motion of interconnected objects

[JimScott]

@linus

@linus

I failed synchronising a script placed in “Head HTML” or in a “Widget HTML” with a Hype timeline. Is there a Hype API or some global variable I missed ?

As I understand it the hypeDocument is not fully loaded when scripts run in the "Head HTML" so You will not be able to access timelines with Hype's API at that point.

Also, as I understand things (i.e. read about them - not actually experimented) You are facing an issue with iFrame > Parent communications... where the recommended practice is postMessage().

Please see this thread for the discussion - it might prove illuminating in solving your issue:

Control a timeline from an external HTML ( communicating between iframes )

Here’s the suggestion posted by @ryan in that thread: They all refer to message passing as that’s the only reliable and supported way browsers allow iframes to communicate with their parent page. Thus, that’s the only way for the content in your HTML Widget – which is really an iframe – to communicate with the Hype document which contains it. To set up the appropriate communication channel, you’ll want to do something like the following: Add an On Scene Load action for the scene which conta…

Here is an example Hype project from that thread (near bottom) posted by @jangeltun:
iFrame communication.zip (220.9 KB)