先上效果图
到达某地点后显示提示语：比如：12：56分驶入康庄大道、左转驶入xx大道等
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">
<title>轨迹回放</title>
<link rel="stylesheet" href="https://a.amap.com/jsapi_demos/static/demo-center/css/demo-center.css"/>
<style>
html, body, #container {
height: 100%;
width: 100%;
}
.input-card .btn{
margin-right: 1.2rem;
width: 9rem;
}
.input-card .btn:last-child{
margin-right: 0;
}
</style>
</head>
<body>
<div id="container"></div>
<div class="input-card">
<h4>轨迹回放控制</h4>
<div class="input-item">
<input type="button" class="btn" value="开始动画" id="start" onclick="startAnimation()"/>
<input type="button" class="btn" value="暂停动画" id="pause" onclick="pauseAnimation()"/>
</div>
<div class="input-item">
<input type="button" class="btn" value="继续动画" id="resume" onclick="resumeAnimation()"/>
<input type="button" class="btn" value="停止动画" id="stop" onclick="stopAnimation()"/>
</div>
</div>
<script type="text/javascript" src="https://webapi.amap.com/maps?v=2.0&key=你的key值"></script>
<script>
// JSAPI2.0 使用覆盖物动画必须先加载动画插件
AMap.plugin('AMap.MoveAnimation', function(){
var marker, lineArr = [[116.478935,39.997761],[116.478939,39.997825],[116.478912,39.998549],[116.478912,39.998549],[116.478998,39.998555],[116.478998,39.998555],[116.479282,39.99856],[116.479658,39.998528],[116.480151,39.998453],[116.480784,39.998302],[116.480784,39.998302],[116.481149,39.998184],[116.481573,39.997997],[116.481863,39.997846],[116.482072,39.997718],[116.482362,39.997718],[116.483633,39.998935],[116.48367,39.998968],[116.484648,39.999861]];
var map = new AMap.Map("container", {
resizeEnable: true,
center: [116.397428, 39.90923],
zoom: 26,
pitch: 55.94919957310569,
rotation: 0,
viewMode: '3D', //开启3D视图,默认为关闭
buildingAnimation: true, //楼块出现是否带动画
zooms:[2,26],
});
marker = new AMap.Marker({
map: map,
position: [116.478935,39.997761],
icon: "https://a.amap.com/jsapi_demos/static/demo-center-v2/car.png",
offset: new AMap.Pixel(-13, -26),
});
var pathArr = [
{ position: new AMap.LngLat(116.478935,39.997761),time:"到达时间1"},
{ position: new AMap.LngLat(116.478939,39.997825),time:"到达时间2"},
{ position: new AMap.LngLat(116.478912,39.998549),time:"到达时间3"},
{ position: new AMap.LngLat(116.478998,39.998555),time:"到达时间4"},
{ position: new AMap.LngLat(116.479282,39.99856),time:"到达时间5"},
{ position: new AMap.LngLat(116.484648,39.999861),time:"到达时间6"},
];
var infoDiv = document.createElement('div');
infoDiv.id = 'info';
infoDiv.style.position ='fixed';
infoDiv.style.left ='50%';
infoDiv.style.top='0px';
infoDiv.style.zIndex=100;
infoDiv.style.background ='#fff';
infoDiv.style.width='240px';
infoDiv.style.height='50px';
document.body.appendChild(infoDiv);
// 绘制轨迹
var polyline = new AMap.Polyline({
map: map,
path: lineArr,
showDir:true,
strokeColor: "#28F", //线颜色
// strokeOpacity: 1, //线透明度
strokeWeight: 6, //线宽
// strokeStyle: "solid" //线样式
});
var passedPolyline = new AMap.Polyline({
map: map,
strokeColor: "#AF5", //线颜色
strokeWeight: 6, //线宽
});
//已知经过的最近时间点
var lastTimedPointIndex=-1;
marker.on('moving', function (e) {
passedPolyline.setPath(e.passedPath);
map.setCenter(e.target.getPosition(),true)
// 设置旋转角
map.setRotation(-e.target.getOrientation());
var position = e.passedPath[e.passedPath.length-1];
var timedPoint = pathArr.find(function(p, index){
var pointPassed = new AMap.LngLat(position.lng,position.lat).distance(p.position)<4;// 判断两点之间的直线距离是否小于4米
if(pointPassed)lastTimedPointIndex = index;
return pointPassed;
})
//如果找到有时间的点，并且该点是新经过的点，更新infoDiv
if(timedPoint && lastTimedPointIndex>-1){
console.log(timedPoint.time)
// 显示时间信息
infoDiv.innerHTML = timedPoint.time;
}
});
map.setFitView();
window.startAnimation = function startAnimation () {
marker.moveAlong(lineArr, {
// 每一段的时长
duration: 500,//可根据实际采集时间间隔设置
// JSAPI2.0 是否延道路自动设置角度在 moveAlong 里设置
autoRotation: true,
});
};
window.pauseAnimation = function () {
marker.pauseMove();
};
window.resumeAnimation = function () {
marker.resumeMove();
};
window.stopAnimation = function () {
marker.stopMove();
};
});
</script>
</body>
</html>
