Touch gestures let the user control an augmented reality app through finger gestures alone such as taps, swipes, rotations, and pinches. Once you’ve added touch gestures to an augmented reality app, the next step is to use those touch gestures to manipulate virtual objects displayed in the augmented reality view.
In the previous chapter, we learned how to recognize when simple touch gestures occur on a virtual object such as a tap, long press, or swipe. In this chapter, we learn how to scale, rotate, and move a virtual object using a pinch, rotation, and pan touch ...
