微信小程序开发之麦克风动画 帧动画 放大 淡出

function speaking() {
//话筒帧动画
var i = 1;
this.timer = setInterval(function () {
i++;
i = i % 5;
_this.setData({
j: i
})
return
},200);
//波纹放大,淡出动画
var _this = this;
var animation = wx.createAnimation({
duration: 1000
})
animation.opacity(0).scale(3,3).step();//修改透明度,放大
this.setData({
spreakingAnimation: animation.export()
})
setTimeout(function(){
//波纹放大,淡出动画
var animation = wx.createAnimation({
duration: 1000
})
animation.opacity(0).scale(3,放大
_this.setData({
spreakingAnimation_1: animation.export()
})
},250)
setTimeout(function(){
//波纹放大,放大
_this.setData({
spreakingAnimation_2: animation.export()
})
},500)
}