So far, we've used Timeline to drive our entire VR story experience from start to finish. But in fact, Timelines are a playable asset like others in Unity. For example, if you select the Blackbird Director object and look in Inspector at its Playable Director component, you'll see it has a Play On Awake checkbox and that it's currently checked. What we're going to do now is not play on awake, but rather start playing on a user event, namely looking directly at the small tree for a few seconds. When the story ends, we'll make it reset itself.
Look to play
An interesting design pattern for VR application is to wait for the player to look at something before it starts animating or otherwise becomes active in the scene. After all, it'd be a shame for the user to not notice things and miss all the action! We'll demonstrate this idea in our project by waiting for the user to look at the small tree before...