@baleada/listenable-gestures/lib/handler-getters/pinch.js

A collection of gesture recognizers that are compatible with Baleada Logic's Listenable class.

// TODO: in and out directions

/*
 * Pinch is defined as two touches that:
 * - each start at a given point, a given distance from each other
 * - change their starting distance by more than 0px (or a minimum distance of your choice)
 */