press-ui/common/turntable/turntable.js

简单、易用的跨端组件库，兼容 Vue2 和 Vue3，同时支持 uni-app和普通 Vue 项目

export function getRotateAngle({
  prizeIndex,
  prizeTotal = 6,
  innerStartAngle = 0,
  laps = 3,
}) {
  const partSize = 360 / prizeTotal;
  const rotateAngle = innerStartAngle
        + laps * 360
        + partSize * prizeIndex
        - (innerStartAngle % 360);

  return rotateAngle;
}