//index.js
//獲取應用實例
var app = getApp()
Page({
 data: {
 isPopping: false,//是否已經彈出
 animationPlus: {},//旋轉動畫
 animationcollect: {},//item位移,透明度
 animationTranspond: {},//item位移,透明度
 animationInput: {},//item位移,透明度
 //我的博客:http://blog.csdn.net/qq_31383345
 //CSDN微信小程序開發專欄:http://blog.csdn.net/column/details/13721.html
 },
 onLoad: function () {

 },
 //點擊彈出
 plus: function () {
 if (this.data.isPopping) {
 //縮回動畫
 popp.call(this);
 this.setData({
 isPopping: false
 })
 } else {
 //彈出動畫
 takeback.call(this);
 this.setData({
 isPopping: true
 })
 }
 },
 input: function () {
 console.log("input")
 },
 transpond: function () {
 console.log("transpond")
 },
 collect: function () {
 console.log("collect")
 }
})



//彈出動畫
function popp() {
 //plus順時針旋轉
 var animationPlus = wx.createAnimation({
 duration: 500,
 timingFunction: 'ease-out'
 })
 var animationcollect = wx.createAnimation({
 duration: 500,
 timingFunction: 'ease-out'
 })
 var animationTranspond = wx.createAnimation({
 duration: 500,
 timingFunction: 'ease-out'
 })
 var animationInput = wx.createAnimation({
 duration: 500,
 timingFunction: 'ease-out'
 })
 animationPlus.rotateZ(180).step();
 animationcollect.translate(-100, -100).rotateZ(180).opacity(1).step();
 animationTranspond.translate(-140, 0).rotateZ(180).opacity(1).step();
 animationInput.translate(-100, 100).rotateZ(180).opacity(1).step();
 this.setData({
 animationPlus: animationPlus.export(),
 animationcollect: animationcollect.export(),
 animationTranspond: animationTranspond.export(),
 animationInput: animationInput.export(),
 })
}
//收回動畫
function takeback() {
 //plus逆時針旋轉
 var animationPlus = wx.createAnimation({
 duration: 500,
 timingFunction: 'ease-out'
 })
 var animationcollect = wx.createAnimation({
 duration: 500,
 timingFunction: 'ease-out'
 })
 var animationTranspond = wx.createAnimation({
 duration: 500,
 timingFunction: 'ease-out'
 })
 var animationInput = wx.createAnimation({
 duration: 500,
 timingFunction: 'ease-out'
 })
 animationPlus.rotateZ(0).step();
 animationcollect.translate(0, 0).rotateZ(0).opacity(0).step();
 animationTranspond.translate(0, 0).rotateZ(0).opacity(0).step();
 animationInput.translate(0, 0).rotateZ(0).opacity(0).step();
 this.setData({
 animationPlus: animationPlus.export(),
 animationcollect: animationcollect.export(),
 animationTranspond: animationTranspond.export(),
 animationInput: animationInput.export(),
 })
}

<!--index.wxml-->
<image src="../../images/collect.png" animation="{{animationcollect}}" class="image-style" bindtap="collect"></image>
<image src="../../images/transpond.png" animation="{{animationTranspond}}" class="image-style" bindtap="transpond"></image>
<image src="../../images/input.png" animation="{{animationInput}}" class="image-style" bindtap="input"></image>
<image src="../../images/plus.png" animation="{{animationPlus}}" class="image-plus-style" bindtap="plus"></image>

/**index.wxss**/

.image-style {
 height: 150rpx;
 width: 150rpx;
 position: absolute;
 bottom: 250rpx;
 right: 100rpx;
 opacity: 0;
}

.image-plus-style {
 height: 150rpx;
 width: 150rpx;
 position: absolute;
 bottom: 250rpx;
 right: 100rpx;
 z-index: 100;
}