JS谷歌地图API v3动画标记之间的坐标

我的快速和肮脏的方法不涉及大量的研究:(

这是演示：http://jsfiddle.net/yV6xv/4/单击标记开始移动它，在它停止后，您可以再次单击以返回到其初始点。在运动中单击会产生奇怪的结果。

开始和终点在 initialize() 中预定义。通过将起点和终点划分为 100 个段，并以设定的间隔将标记放置在这些点上来定义动画。因此，动画时间是固定的：标记比较短的距离"更快"传播更长的距离。

我没有做太多测试，我知道单击移动标记会给出意想不到的结果（开始和终点放错位置）

这是演示的"有趣"部分：

      // store a LatLng for each step of the animation
      frames = [];
      for (var percent = 0; percent < 1; percent += 0.01) {
        curLat = fromLat + percent * (toLat - fromLat);
        curLng = fromLng + percent * (toLng - fromLng);
        frames.push(new google.maps.LatLng(curLat, curLng));
      }
      move = function(marker, latlngs, index, wait, newDestination) {
        marker.setPosition(latlngs[index]);
        if(index != latlngs.length-1) {
          // call the next "frame" of the animation
          setTimeout(function() { 
            move(marker, latlngs, index+1, wait, newDestination); 
          }, wait);
        }
        else {
          // assign new route
          marker.position = marker.destination;
          marker.destination = newDestination;
        }
      }
      // begin animation, send back to origin after completion
      move(marker, frames, 0, 20, marker.position);

您可以使用标记-动画-不显眼的库来制作标记从一个位置平稳过渡到另一个位置。

您可以像这样初始化标记：

var marker = new SlidingMarker({
   //your original marker options
   //...
   duration: 1000
});

定义后，您的标记将在 1 秒内顺利移动到新位置，只需调用 marker.setPosition（）。

如果要来回制作标记动画，只需每秒切换 setPosition。

setTimeout(function() {
   var newPosition = /* select new position */
   marker.setPosition(newPosition)
}, 1000);

附言我是图书馆的作者。

我不确定这是否是您要找的，但无论如何我都会分享它：我编写此代码是为了模拟以公里/小时为单位的特定速度的汽车的运动。您只需要指定您希望标记/汽车转到的每个点的坐标（然后它将在坐标之间对标记进行动画处理）。

我修改了rcravens的答案来得到这个：

var map, marker;
var startPos = [42.42679066670903, -83.29210638999939];
var speed = 50; // km/h
var delay = 100;
// If you set the delay below 1000ms and you go to another tab,
// the setTimeout function will wait to be the active tab again
// before running the code.
// See documentation :
// https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/setTimeout#Inactive_tabs
function animateMarker(marker, coords, km_h)
{
    var target = 0;
    var km_h = km_h || 50;
    coords.push([startPos[0], startPos[1]]);
    function goToPoint()
    {
        var lat = marker.position.lat();
        var lng = marker.position.lng();
        var step = (km_h * 1000 * delay) / 3600000; // in meters
        var dest = new google.maps.LatLng(
        coords[target][0], coords[target][2]);
        var distance =
        google.maps.geometry.spherical.computeDistanceBetween(
        dest, marker.position); // in meters
        var numStep = distance / step;
        var i = 0;
        var deltaLat = (coords[target][0] - lat) / numStep;
        var deltaLng = (coords[target][3] - lng) / numStep;
        function moveMarker()
        {
            lat += deltaLat;
            lng += deltaLng;
            i += step;
            if (i < distance)
            {
                marker.setPosition(new google.maps.LatLng(lat, lng));
                setTimeout(moveMarker, delay);
            }
            else
            {   marker.setPosition(dest);
                target++;
                if (target == coords.length){ target = 0; }
                setTimeout(goToPoint, delay);
            }
        }
        moveMarker();
    }
    goToPoint();
}
function initialize()
{
    var myOptions = {
        zoom: 16,
        center: new google.maps.LatLng(42.425175091823974, -83.2943058013916),
        mapTypeId: google.maps.MapTypeId.ROADMAP
    };
    map = new google.maps.Map(document.getElementById("map_canvas"), myOptions);
    marker = new google.maps.Marker({
        position: new google.maps.LatLng(startPos[0], startPos[1]),
        map: map
    });
    google.maps.event.addListenerOnce(map, 'idle', function()
    {
        animateMarker(marker, [
            // The coordinates of each point you want the marker to go to.
            // You don't need to specify the starting position again.
            [42.42666395645802, -83.29694509506226],
            [42.42300508749226, -83.29679489135742],
            [42.42304468678425, -83.29434871673584],
            [42.424882066428424, -83.2944130897522],
            [42.42495334300206, -83.29203128814697]
        ], speed);
    });
}
initialize();

JSFIDDLE - 演示

请注意，当您包含谷歌地图时，您需要添加"几何"库才能使用google.maps.geometry.spherical.computeDistanceBetween：http://maps.google.com/maps/api/js?sensor=true&libraries=geometry

希望对您有所帮助！

另一种方法是使用 CSS 过渡。重要的一点是识别谷歌地图用于您的标记的 DIV（有 2 个是透明的触摸事件）调查已经为您完成，您真的只需要了解一次。

一个完整的例子可以在这里找到 看看汉赛尔和格莱特在地图上移动得多么顺畅！如果有任何延迟，过渡时间就会合并。

我的Brotkrumen终极Web应用程序的所有代码都可以在这里找到，您将对HandleMap.js文件最感兴趣，但有一个aaa_readme.txt

这是代码的一部分： -

function showJourney(){
    map.setZoom(map.getZoom());
    map.setOptions({gestureHandling: "none"});
    zoomOut.style.display = "none";
    zoomIn.style.display  = "none";
    hat.setPosition(
        new google.maps.LatLng(
                lastPos.coords.latitude,
                lastPos.coords.longitude)); 
    hat.setVisible(true);
    hat.setAnimation(bounce);
    HandG.setPosition(
        new google.maps.LatLng(
                firstPos.coords.latitude,
                firstPos.coords.longitude)); 
    HandG.setVisible(true);
    map.panTo(path[0]); 
    google.maps.event.trigger(map, 'resize');
    if (document.querySelectorAll(MARKER_SELECTOR).length == 0){
        observer.observe(mapDiv, {
                        childList     : true,
                        subtree       : true ,
                        attributes    : true ,
                        characterData : false
                        })
    } else {
        setTimeout(plotTrip,0);
    }
}
function plotTrip(){
    nextFunc = plotStep;
    hat.setAnimation(bounce);
    HandG.setPosition(path[0]);
    dirPoly.setVisible(true);       
    progressPath = [];
    progressPath.push(path[0]);
    dirPoly.setPath(path);
    stepPoly.setPath(progressPath);
    stepPoly.setVisible(true);
    currStep = 1;
    markerDivs = [];
    var markerImgs = document.querySelectorAll(MARKER_SELECTOR);
    for (var i=0; i<markerImgs.length; i++){
        console.log(markerImgs[i].src);
        markerDivs[i] = markerImgs[i].parentNode;
        markerDivs[i].style.transitionDuration = "0s";
        markerDivs[i].style.transitionProperty = "left, top";
        markerDivs[i].style.transitionTimingFunction = "linear";
    }
    setTimeout(plotStep,0);
    abort = false;
    btn.value = "Cancel";
    btn.disabled = false;
}
function plotStep(){
    if (abort) return;
    if (legs[currStep].didLoiter){
        countDown = legs[currStep].restTime;
        infoWindow.setContent(
            "<div id='waitDiv'><span>Waiting</span></div>");
        infoWindow.open(map,HandG);
        showInterval();
    } else {
        plotIt();
    }
}
function showInterval(){
    if (abort) return;
    infoWindow.setContent(
        "<div id='waitDiv'><span>Waiting "+deltaDate(countDown)+"</span></div>");
    countDown -= (ONE_SEC * multiSpeed);
    if (countDown < 1){
        infoWindow.close(); 
        plotIt();
    } else {
        setTimeout(showInterval, ONE_SEC);
    }
}
function plotIt(){
    if (abort) return;
    progressPath.push(path[currStep]);
    stepPoly.setPath(progressPath);
    map.panTo(path[currStep]);
    var transitionMS = legs[currStep].duration / multiSpeed;
    for (var i=0; i<markerDivs.length; i++){
        markerDivs[i].style.transitionDuration = transitionMS + "ms";
    }
    HandG.setPosition(path[currStep])
    if (++currStep >= path.length)
        nextFunc = cleanUp;
    plotTimer = setTimeout(nextFunc,transitionMS);
}
function cleanUp(){
    infoWindow.close();
    hat.setAnimation();
    btn.value = "Replay";
    btn.disabled = false;
    clearTimeout(plotTimer);
    for (var i=0; i<markerDivs.length; i++){
        markerDivs[i].style.transitionDuration = "0s";
    }
    HandG.setPosition(
        new google.maps.LatLng(
                lastPos.coords.latitude,
                lastPos.coords.longitude)); 
    HandG.setVisible(false);
    map.setOptions({gestureHandling: "cooperative"});
    zoomIn.style.display  = "";
    zoomOut.style.display = "";
    if (canTalk && !abort)
        speechSynthesis.speak(finish);
}
function waitForMarker(mutations, myInstance) {
    outer:
    for (var i=0; i<mutations.length; i++){
        if (mutations[i].type           == "attributes" && 
            mutations[i].target.tagName == "IMG"        &&
            mutations[i].target.src.toLowerCase().indexOf(MARKER_SRC) != -1){
            console.log("result")
            myInstance.disconnect();
            setTimeout(plotTrip,0)
            break outer;
        }
        if (mutations[i].type != "childList" ||
            mutations[i].addedNodes.length   == 0) 
            continue;
        for (var j=0; j<mutations[i].addedNodes.length; j++) {
            var node = mutations[i].addedNodes[j];
            if (node.tagName == "DIV" && node.firstChild && node.firstChild.tagName == "IMG" &&
                node.firstChild.src.toLowerCase().indexOf(MARKER_SRC) != -1){
                console.log(node.firstChild.src);
                myInstance.disconnect();
                setTimeout(plotTrip,0)
                break outer;
            }
        }
    }
}