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11dd wangyx0055 guofengma skybiger justin5202 amumubuku jserjser xieyacid liaoxianhua mencomao mq30 jiebai720 mwz1991 sucins jackielieu andy409494 ecsoft sanlangguo guojunliao xiejianxin520 winteriscome king0222 codefe wukongmazi lailonghui agzou shemmor lamp21 papamei milotangbigwheel-miniapp's Issues
大家卡顿吗？
用起来还是有点卡顿。iPhone 7plus
你好 顺时针的时候 , 停止到的位置与显示的奖品不符
你好 顺时针的时候 , 停止到的位置与显示的奖品不符
两步解决指针位置计算错误的问题
1、index.js在调用抽奖停止函数时传入奖品数组的长度
// 模拟后台返回数据
setTimeout(function () {
// 随机一个奖品
var prizeIndex = utils.getRandom(slicePrizes.length - 1);
// console.log(prizeIndex)
//奖品数量
var prizeCounts = slicePrizes.length;
// console.log(prizeCounts)
// 计算奖品角度
animation.stopTo(prizeIndex,prizeCounts);
}, 3000);
2、改变Animation.js的stopTo方法
Animation.prototype.stopTo = function (prizeIndex,prizeCounts) {
var wheel = this.circle;
var angle = wheel.angle;
var offset = (360/prizeCounts)/2; //应该是 (360/转盘奖品数量)/2
this.minAngle = prizeIndex * angle + offset;
this.maxAngle = prizeIndex * angle + angle;
this.prize = wheel.slicePrizes[prizeIndex];
};
指针位置计算错误
hi，发个小问题
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