Specifying the no of cards, making behind cards of same width as active card

currently in my <Corosal only 3 cards are being displayed. I am trying to display IOS passbook where all cards are of same size and we need to display more than 3 cards. I tried several properties but they are of no use.

i tried ; which didnt work.  
   initialNumToRender={5}
   maxToRenderPerBatch={5}

Also the cards behind the current card are of smaller width. is there a way to make them 100% width? i tried the below which didnt work

                            zoomScale={1}
                            maximumZoomScale={1}
                            minimumZoomScale={1}
inactiveSlideScale={1}

Any ideas? Also, when i gave horizontal={false" vertical={true i see extra space getting added above and below the component -- any exaple around this please? I am checking for vertical swipe to change between the cards.

reference: https://gist.github.com/wcandillon/288e994cda3216d1dbef9482a9322804#gistcomment-2939652 .

Start by reproducing the reported behavior in the React Native carousel component using the listed rendering, zoom, inactiveSlideScale, and vertical-orientation props. Review the referenced gist and inspect how the carousel handles item counts, inactive-card sizing, and vertical spacing. Done requires a maintainer-confirmed behavior and tests or examples covering the requested card count, widths, and vertical layout.