ontouchmove: function (a) {
            var b, c, d = (a.originalEvent || a).touches[0], e = (a.originalEvent || a).scale, f = this.index;
            if (!(d.length > 1 || e && 1 !== e))if (this.options.disableScroll && a.preventDefault(), this.touchDelta = {
                    x: d.pageX - this.touchStart.x,
                    y: d.pageY - this.touchStart.y