20240308

lixuliang

2024-03-08 ac755c3add30177675e189cf7cb637e1f09eb827

 src/utils/tool.js

@@ -130,42 +130,24 @@
    window.mapapi.addLayer(_GLOBAL.historyLayer);
}


//获取当前定位
var _rotate = 90;
var _marker = null;
var points = [];

export function randomPoint() {
    let t = 116.505348;
    let e = 39.795592;
    t += .01 * Math.random();
    e += .01 * Math.random();
    points.push([t, e]);
}


//实时获取定位
export function getCurrentPosition() {
    // setInterval(() => {
    //     randomPoint();
    // }, 1000)

    // console.log(points, '点位测试')
    // _marker = createGPSMarker(points, _rotate);
    // window.mapapi.addLayer(_marker)

    if (navigator.geolocation) {
        navigator.geolocation.watchPosition((res) => {
            let lat = res.coords.latitude;
            let lon = res.coords.longitude;
            _marker = createGPSMarker([lon, lat], _rotate);
            window.mapapi.addLayer(_marker)
            if (_GLOBAL.GPSMarker) {
                window.mapapi.removeLayer(_GLOBAL.GPSMarker)
            }
            _GLOBAL.GPSMarker = createGPSMarker([lon, lat], _GLOBAL.rotate);
            window.mapapi.addLayer(_GLOBAL.GPSMarker)

        });
    }

}


//创建当前定位点
export function createGPSMarker(position, rotate) {
    const GPSMarkerLayer = new ol.layer.Vector({
        id: 'LocationPoint',
@@ -194,17 +176,18 @@
};


//监听定位点跟随旋转
export function listenDirection() {
    window.addEventListener('deviceorientation', function (e) {
        if (_marker) {
            _rotate = e.alpha * (Math.PI / -180);
        if (_GLOBAL.GPSMarker) {
            _GLOBAL.rotate = e.alpha * (Math.PI / -180);
            _marker.setStyle(
                new ol.style.Style({
                    image: new ol.style.Icon({
                        anchor: [0.5, 0.5],
                        anchorOrigin: 'top-left',
                        src: require('@/assets/img/collection/mark.png'),
                        rotation: _rotate,
                        rotation: _GLOBAL.rotate,
                        anchorXUnits: "fraction",
                        anchorYUnits: "fraction",
                        scale: 0.5,