An easy way of making your Augmented Reality apps look impressive is by adding a little bit of movement to it by animating one or more nodes. Otherwise, it can look a bit static and artificial. This may be as simple as fading nodes in and out or animating their position or size, and fortunately, it is easy to do.
Technically, in SceneKit, we will be using something called a SCNAction . But because the actions we will look at are enabling our animations, I will refer to SCNActions as animations in this chapter.
Animating Opacity
By animating the opacity of one or more objects ...
