From d4aba4100a8db23c22ce66f205fb637c4ead79d5 Mon Sep 17 00:00:00 2001
From: Shikong <919411476@qq.com>
Date: Fri, 19 May 2023 11:57:48 +0800
Subject: [PATCH] =?UTF-8?q?=E5=B0=8F=E8=BD=A6=E5=8A=A8=E7=94=BB=E6=94=AF?=
 =?UTF-8?q?=E6=8C=81=E8=B0=83=E8=8A=82=E9=80=9F=E7=8E=87?=
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---
 .../src/views/record/AMapLocation.vue         | 49 +++++++++++++--
 .../src/views/record/logic/play.ts            | 60 ++++++++++++++-----
 2 files changed, 88 insertions(+), 21 deletions(-)

diff --git a/frontend/matrix-middle-service-web/src/views/record/AMapLocation.vue b/frontend/matrix-middle-service-web/src/views/record/AMapLocation.vue
index 47f48b3..e3a9f37 100644
--- a/frontend/matrix-middle-service-web/src/views/record/AMapLocation.vue
+++ b/frontend/matrix-middle-service-web/src/views/record/AMapLocation.vue
@@ -87,7 +87,14 @@
         </div>
 
         <div class="absolute bg-amber-50 rounded-tl z-max text-left absolute-bottom-right pl-1.5" style="width: 350px" v-if="view.lines.length > 0">
-            路径数量: {{view.lines.length}}
+            <div class="flex justify-between">
+                <div>
+                    路径数量: {{view.lines.length}}
+                </div>
+                <div>
+                    <q-btn dense @click="changeAnimateRate">动画速率: {{view.animateRate}}</q-btn>
+                </div>
+            </div>
 
             <q-scroll-area :style="{height: view.lines.length * 22 > 250 ?'250px':view.lines.length * 22 + 'px'}" class="overflow-auto"
                             :thumb-style="scrollArea.thumbStyle"
@@ -99,7 +106,10 @@
                     <template v-slot:label="opt">
                         <div class="row items-center">
                             <span>{{ opt.label }}</span>
-                            <q-icon @click.stop="play(opt)" name="fas fa-play" color="teal" size="0.625em" class="q-ml-sm" />
+                            <q-icon v-if="view.animating === opt.value"
+                                    @click.stop="stop"
+                                    name="fas fa-stop" color="negative" size="0.625em" class="q-ml-sm"></q-icon>
+                            <q-icon v-else @click.stop="play(opt)" name="fas fa-play" color="teal" size="0.625em" class="q-ml-sm" />
                         </div>
                     </template>
                 </q-option-group>
@@ -110,7 +120,7 @@
 </template>
 <script setup>
 import AMapLoader from '@amap/amap-jsapi-loader';
-import {onMounted, reactive, ref} from "vue";
+import {onMounted, onUnmounted, reactive, ref} from "vue";
 import DateTimeSelector from "matrix-middle-service-web/src/components/DateTimeSelector.vue";
 import {useQuasar} from "quasar";
 import moment from "moment";
@@ -124,7 +134,7 @@ import {
 import {fixedLocationHandler} from "matrix-middle-service-web/src/views/record/logic/location";
 import {drawMarkers} from "matrix-middle-service-web/src/views/record/logic/markers";
 import {drawLines} from "matrix-middle-service-web/src/views/record/logic/lines";
-import {playAnimation} from "matrix-middle-service-web/src/views/record/logic/play";
+import {pauseAnimation, playAnimation, stopAnimation} from "matrix-middle-service-web/src/views/record/logic/play";
 const $q = useQuasar();
 const scrollArea = reactive({
     thumbStyle: {
@@ -159,9 +169,29 @@ const date = ref({
 const feature = reactive({
     showFixed: false
 })
+function changeAnimateRate(){
+    const animateRate = [1,2,5,10,20,30,60,120]
+    let curIndex = animateRate.findIndex(item=>item === view.animateRate)
+    let nextIndex = curIndex + 1
+    view.animateRate = nextIndex >= animateRate.length ? animateRate[0] : animateRate[nextIndex]
+
+    if(view.animating !== -1){
+        let index = view.animating
+        pauseAnimation(data)
+        setTimeout(()=>{
+            play(options.lines[index])
+        },100)
+    }
+}
+function stop(){
+    stopAnimation(map,data,view)
+}
 function play(item){
     console.log(item,view.lines,data.polylines)
-    playAnimation(map,data,view.lines[item.value])
+    options.showLines = [item.value]
+    changeShowLines()
+    view.animating = item.value
+    playAnimation(map,data,view.lines[item.value],view.animateRate,view,item.value)
 }
 // 地图实例 和 数据不要交给 vue 管理 否则性能大打折扣 且 会有各种奇葩问题
 let map = {}
@@ -183,10 +213,19 @@ const view = reactive({
     },
     lines: [],
     loginStatus: false,
+    animateRate: 1,
+    animating: -1
 })
 onMounted(()=>{
     view.loginStatus = checkLoginStatus()
 })
+onUnmounted(()=>{
+    clearMap()
+    map.remove(data.labelsLayer || {})
+    map.remove(data.tmpMarker || {})
+    map.remove(data.animateMarker || {})
+    map.remove(data.infoWindow || {})
+})
 const layers = reactive({
     satellite: {
         inst: {},
diff --git a/frontend/matrix-middle-service-web/src/views/record/logic/play.ts b/frontend/matrix-middle-service-web/src/views/record/logic/play.ts
index 3aebbfa..d2b4e10 100644
--- a/frontend/matrix-middle-service-web/src/views/record/logic/play.ts
+++ b/frontend/matrix-middle-service-web/src/views/record/logic/play.ts
@@ -1,14 +1,17 @@
-export function playAnimation(map,data,line){
+let index = 0
+
+export function playAnimation(map,data,line,animateRate,view,itemIndex){
     console.log("playAnimation",line)
-    if(!data.animateMarker){
-        data.animateMarker = new AMap.Marker({
-            map: map,
-            position: [0,0],
-            icon: "https://a.amap.com/jsapi_demos/static/demo-center-v2/car.png",
-            offset: new AMap.Pixel(-13, -26),
-            autoRotation: true
-        })
+    if(data.animateMarker){
+        map.remove(data.animateMarker)
     }
+    data.animateMarker = new AMap.Marker({
+        map: map,
+        position: [0,0],
+        icon: "https://a.amap.com/jsapi_demos/static/demo-center-v2/car.png",
+        offset: new AMap.Pixel(-13, -26),
+        autoRotation: true
+    })
 
     if(!data.infoWindow){
         data.infoWindow = new AMap.InfoWindow({
@@ -18,25 +21,34 @@ export function playAnimation(map,data,line){
         });
     }
 
-    let path = line.map((item) => {
+    if(itemIndex !== view.animating){
+        index = 0
+    }
+    let path = line.slice(index).map((item) => {
         return new AMap.LngLat(item.longitude, item.latitude)
     })
 
-    let index = 0
     data.animateMarker.stopMove();
     data.animateMarker.on("movealong",()=>{})
+    let lastMovingIndex = 0
     data.animateMarker.on("moving",(e)=>{
+        if(lastMovingIndex != e.index){
+            index++
+        }
+        lastMovingIndex = e.index
+        console.log("index",index,path.length,line.length)
         let lastLocation = e.passedPath[e.passedPath.length - 1];
         data.infoWindow.setPosition(lastLocation);
-        let speed = ((line[e.index].speed||0) * 3.6).toFixed(2)
+        let speed = ((line[index].speed||0) * 3.6).toFixed(2)
         data.infoWindow.setContent(`<div style="width:100px;background: #fff;border-radius: 5px">${speed} km/h</div>`);
         map.setCenter(e.target.getPosition(),true)
     })
     data.animateMarker.on("moveend",()=>{
-        index++
-
-        if(index === line.length-1){
+        if(index >= line.length-1){
             setTimeout(()=>{
+                view.animating = -1
+                index = 0
+                data.animateMarker.stopMove()
                 map.remove(data.animateMarker)
                 data.infoWindow.close()
             },100)
@@ -46,8 +58,24 @@ export function playAnimation(map,data,line){
         path: path,
     })
     data.animateMarker.moveAlong(polyline.getPath(),{
-        duration: 1000/60,
+        duration: 1000/animateRate,
         autoRotation: true
     });
     data.infoWindow.open(map, data.animateMarker.getPosition())
 }
+
+export function stopAnimation(map,data,view){
+    if(!data.animateMarker){
+        return
+    }
+    pauseAnimation(data)
+    view.animating = -1
+    index = 0
+}
+
+export function pauseAnimation(data){
+    if(!data.animateMarker){
+        return
+    }
+    data.animateMarker.stopMove()
+}