2025-03-11 08:25:45 +00:00
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<!--********************************************************************
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* by jiawanlong
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*********************************************************************-->
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8" />
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2025-03-19 03:00:22 +00:00
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<link rel="stylesheet" href="./../../libs/cesium/Cesium1.98/Widgets/widgets.css">
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<script type="text/javascript" src="./../../libs/cesium/Cesium1.98/Cesium.js"></script>
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2025-03-11 08:25:45 +00:00
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</head>
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<body style="margin: 0; overflow: hidden; background: #fff; width: 100%; height: 100%; position: absolute; top: 0">
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<div id="map" style="margin: 0 auto; width: 100%; height: 100%"></div>
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<!-- ./video.mp4 -->
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<script type="text/javascript">
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2025-06-07 11:30:00 +00:00
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Cesium.Ion.defaultAccessToken = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiIyMjBhMzcxMC0wNjBiLTRmYjItYjY1MC0wMzAwMzMyMGUyMmEiLCJpZCI6MzAzNzc3LCJpYXQiOjE3NDc2Mzk0NTV9.E_90aKtVdzRGlU2z48VwJ4mWvl-uuDkfQBCOO6zbzn4'
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2025-03-11 08:25:45 +00:00
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const viewer = new Cesium.Viewer('map', {});
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viewer.scene.debugShowFramesPerSecond = true;
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viewer.scene.globe.depthTestAgainstTerrain = true;
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// 基础示例
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let entity = viewer.entities.add({
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polyline: {
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positions: new Cesium.CallbackProperty(changePosition, false),
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width: new Cesium.CallbackProperty(changeWidth, false),
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material: new Cesium.ColorMaterialProperty(new Cesium.CallbackProperty(changeColor, false)),
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},
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});
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function changePosition(time, isConstant) {
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let lat = 20;
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let lon = -100;
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return Cesium.Cartesian3.fromDegreesArray(
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[lon, lat, lon + Math.floor(Math.random() * 50), lat + Math.floor(Math.random() * 50)],
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Cesium.Ellipsoid.WGS84,
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isConstant
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);
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}
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function changeWidth(time, isConstant) {
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return Math.floor(Math.random() * 10);
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}
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function changeColor(time, isConstant) {
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return Cesium.Color.fromRandom({
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minimumRed: 0.1,
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minimumGreen: 0.1,
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minimumBlue: 0.1,
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alpha: 1.0
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});
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}
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</script>
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</body>
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</html>
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