CameraGestureDetector
Pan fixed version of the mostly duplicated com.google.android.filament.utils.GestureDetector
Responds to Android touch events and manages a camera manipulator. Supports one-touch orbit, two-touch pan, and pinch-to-zoom.
Copied from filament-utils-android/src/main/java/com/google/android/filament/utils/GestureDetector.kt