Method touchmove

resources/vega.min.js:14415–14417

(t)

        this.fire(kv, t, !0));
    }
    touchmove(t) {
      this.fire(Av, t, !0);
    }
    touchend(t) {
      (this.fire(Mv, t, !0), (this._touch = null));
    }