how to pinch to zoom by center?

[coddingBoy]

hello. i have the problem that i could not force on the center when i doing zooming. it forces on the bottom of the elem. this is my code.

defaultProps.forEach((val, i) => { const paris = new ZScroller(this[scroller${i}], { zooming: true, minZoom: 1, onScroll: () => { const values = paris.scroller.getValues() zoom = values.zoom }, }) console.log(paris) })

are there any params i missed? thanks