提交 156d12f9 编写于 作者: DCloud_JSON's avatar DCloud_JSON

更新 示例项目 drop-card 使用过度动画

上级 98ff0630
......@@ -3,33 +3,33 @@
<template v-for="(item,index) in cardList" :key="index">
<view class="card" ref="card" @touchstart="touchstart($event as TouchEvent,index)" @touchmove="touchmove($event as TouchEvent,index)" @touchend="touchend" @touchcancel="touchend">
<image class="card-img" ref="card-img" :src="item"></image>
<template v-if="index == 2">
<view class="state">
<image class="state-icon like" ref="state-icon-like" src="/static/template/drop-card/like.png" mode="widthFix"></image>
<image class="state-icon dislike" ref="state-icon-dislike" src="/static/template/drop-card/dislike.png" mode="widthFix"></image>
</view>
</template>
</view>
</template>
</view>
</template>
<script lang="ts">
let sX : number = 0,
sY : number = 0,
screenWidth : number = 1,
nodesMap = new Map<string, INode[]>()
nodesMap = new Map<string, INode[]>();
export default {
data() {
return {
x: 0,
y: 0,
x: 0 as number,
y: 0 as number,
cardList: [
'/static/template/drop-card/1.jpg',
'/static/template/drop-card/2.jpg',
'/static/template/drop-card/3.jpg'
] as string[],
NodesMap: new Map<string, INode[]>(),
// 页码
currentIndex:0 as number
}
},
onReady() {
......@@ -39,31 +39,13 @@
screenWidth = e.screenWidth;
let height = e.screenHeight - 200 + 'px'
for (var i = 0; i < 3; i++) {
this.setStyle('card',i,'margin-top', 100 - 40*i+'px');
this.setStyle('card',i,'height', height);
this.setStyle('card-img',i,'height', height);
this.setStyle('card',i,'transform', 'scale('+(0.8+0.1*i)+')')
this.setStyle('card',i,'transitionTimingFunction','ease-in-out');
this.setStyle('card',i,'transitionProperty','transform');
this.setINodeStyle('card',i,'height', height);
this.setINodeStyle('card-img',i,'height', height);
}
setTimeout(()=>{
let time = 600;
this.setStyle('card',0,'transitionDuration',time.toFixed(0));
this.setStyle('card',1,'transitionDuration',time.toFixed(0));
},0)
}
})
this.initCardList()
},
// watch: {
// x() {
// this.afterMove()
// },
// y() {
// this.afterMove()
// }
// },
computed: {
movePercent() : number {
return Math.abs(this.x) / (screenWidth/2*3)
......@@ -73,10 +55,14 @@
},
dislikeOpacity() : number {
return this.x > 0 ? 0 : this.movePercent * 100
},
topCardIndex():number{
return 2 - Math.abs(this.currentIndex)%3
}
},
methods: {
setStyle(refName:string,index:number,propertyName:string,propertyStyle:any):void{
// 工具方法,用于快速设置 INode 的 style
setINodeStyle(refName:string,index:number,propertyName:string,propertyStyle:any):void{
let nodes:INode[]|null = nodesMap.get(refName)
if(nodes == null){
nodes = this.$refs.get(refName) as INode[]
......@@ -86,21 +72,32 @@
}
(nodes)[index].style.setProperty(propertyName,propertyStyle);
},
afterMove() {
// console.log('afterMove');
this.setStyle('card',0,'transform', 'scale('+(this.movePercent/20+0.8)+')')
this.setStyle('card',1,'transform', 'scale('+(this.movePercent/20+0.9)+')')
// 设置卡片样式(层级,大小,上边距)
initCardList(){
for (var i = 0; i < 3; i++) {
this.setStyle('card',i,'margin-top', 100 - 40*i - this.x/screenWidth * 10 +'px');
let endIndex = (i + this.currentIndex)%3
this.setINodeStyle('card',i,'margin-top', 100 - 30*endIndex+'px');
this.setINodeStyle('card',i,'transform', 'scale('+(0.9+0.05*endIndex)+')')
// console.log(0.9+0.05*endIndex,50 - 20*endIndex+'px');
this.setINodeStyle('card',i,'z-index', endIndex)
}
},
moveCard() {
for (var i = 0; i < 3; i++) {
// 设置置顶卡片样式
if(i === this.topCardIndex){
this.setINodeStyle('card',this.topCardIndex,'transform', 'translateX('+this.x+'px) translateY('+this.y+'px) rotate('+this.x/-30+'deg) scale('+( 0.9+0.05*2 + movePercent/20 )+')')
this.setINodeStyle('state-icon-like',this.topCardIndex,'opacity', x < 0 ? 0 : movePercent * 10)
this.setINodeStyle('state-icon-dislike',this.topCardIndex,'opacity', x > 0 ? 0 : movePercent * 10)
}else{
let endIndex = (i + this.currentIndex)%3
this.setINodeStyle('card',i,'transform', 'scale('+( 0.9+0.05*endIndex + movePercent*0.05 )+')')
this.setINodeStyle('card',i,'margin-top', 100 - 30*endIndex - movePercent*30 +'px');
}
}
this.setStyle('card',2,'transform', 'translateX('+this.x+'px) translateY('+this.y+'px) rotate('+this.x/-30+'deg) scale(1)')
this.setStyle('state-icon-like',0,'opacity', x < 0 ? 0 : movePercent * 10)
this.setStyle('state-icon-dislike',0,'opacity', x > 0 ? 0 : movePercent * 10)
},
touchstart(e : TouchEvent,index:number) {
if(index != 2){
if(index != this.topCardIndex){
return
}
sX = e.touches[0].screenX;
......@@ -109,14 +106,14 @@
this.y = 0
},
touchmove(e : TouchEvent,index:number) {
if(index != 2){
if(index != this.topCardIndex){
return
}
this.x += e.touches[0].screenX - sX;
this.y += e.touches[0].screenY - sY;
sX = e.touches[0].screenX;
sY = e.touches[0].screenY;
this.afterMove()
this.moveCard()
},
touchend() {
// console.log('touchend');
......@@ -129,71 +126,31 @@
k = -1
}
// 设置动画时间
let time = 300;
/**
* @description 卡片2 transform 的 transition
*/
const card2TT = {
open(){
this.setStyle('card',2,'transitionProperty','transform');
this.setStyle('card',2,'transitionDuration',time.toFixed(0));
},
close(){
this.setStyle('card',2,'transitionProperty','');
this.setStyle('card',2,'transitionDuration',0);
}
}
card2TT.open()
/**
* @description 卡片2回到原点
*/
const card2To0 = ()=> {
// 设置横纵坐标归0
this.x = 0
this.y = 0
//执行移动后的相应效果
this.afterMove()
setTimeout(()=>{
//动画结果关闭
card2TT.close()
},time)
}
if(k == 0){
card2To0()
}else{
// 卡片飘出界面
this.setStyle('card',2,'transform', `translate(${screenWidth * 1.5 * k},${Math.abs(screenWidth * 0.5 * k)})`)
this.x = k * screenWidth * 1.5
this.y = k * screenWidth * 0.5
// 设置动画时间
let time = 60;
let topCardIndex = this.topCardIndex
this.setINodeStyle('card',topCardIndex,'transitionProperty','transform');
this.setINodeStyle('card',topCardIndex,'transitionDuration',time);
// this.setINodeStyle('card',topCardIndex,'transitionOrigin','bottom center');
this.moveCard()
// 移动结束
setTimeout(()=>{
//动画结果关闭
card2TT.close()
// 更改置顶卡片内容
let newArr = this.cardList.slice();
this.cardList[2] = newArr[1];
// 关闭动画
this.setINodeStyle('card',topCardIndex,'transitionProperty','scale');
if(this.x != 0.0){
setTimeout(()=>{
// 将置顶卡片归c位
// this.setStyle('card',2,'margin-top', '50px');
this.setStyle('card',2,'transform', 'scale(0.95)')
// 更改非置顶 卡片内容
this.cardList[0] = newArr[2]
this.cardList[1] = newArr[0]
// 开启动画
card2TT.open()
card2To0()
this.x = 0
this.y = 0
this.moveCard()
this.setINodeStyle('card',topCardIndex,'transitionProperty','marginTop,scale');
this.currentIndex ++
this.initCardList()
},100)
},time)
}
},time)
}
}
......@@ -214,7 +171,10 @@
border-radius: 10px;
color: #FFF;
box-shadow: 0 0 5px rgba(0, 0, 0, 0.1);
z-index: 100;
background-color: #FFF;
/* transform-origin:bottom; */
transition:margin-top 60ms;
transition-timing-function: linear;
}
.card-img {
......@@ -241,4 +201,5 @@
box-shadow: 0 0 1px #EBEBEB;
opacity: 0;
}
</style>
\ No newline at end of file
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