Cesium-Examples/examples/cesiumEx/5.2.1、类似回调.html
2025-06-12 14:10:21 +08:00

75 lines
2.6 KiB
HTML

<!--********************************************************************
* by jiawanlong
*********************************************************************-->
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
<link rel="stylesheet" href="./../../libs/cesium/Cesium1.98/Widgets/widgets.css">
<script type="text/javascript" src="./../../libs/cesium/Cesium1.98/Cesium.js"></script>
</head>
<body style="margin: 0; overflow: hidden; background: #fff; width: 100%; height: 100%; position: absolute; top: 0">
<div id="map" style="margin: 0 auto; width: 100%; height: 100%"></div>
<!-- ./video.mp4 -->
<script type="text/javascript">
Cesium.Ion.defaultAccessToken = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiIyMjBhMzcxMC0wNjBiLTRmYjItYjY1MC0wMzAwMzMyMGUyMmEiLCJpZCI6MzAzNzc3LCJpYXQiOjE3NDc2Mzk0NTV9.E_90aKtVdzRGlU2z48VwJ4mWvl-uuDkfQBCOO6zbzn4'
const viewer = new Cesium.Viewer('map', {});
viewer.scene.debugShowFramesPerSecond = true;
viewer.scene.globe.depthTestAgainstTerrain = true;
//------------------------- 示例1:直接改变,无需要回调------------------------------
let position1 = new Cesium.Cartesian3.fromDegrees(-100, 25, 10000);
let outline = true;
let color1 = new Cesium.Color(1, 1, 0, 1);
let point1 = viewer.entities.add({
name: "point1",
position: position1,
point: {
show: true,
pixelSize: 20,
color: color1,
}
})
let i = 0;
setInterval(() => {
if (i == 1) {
i = 0
} else {
i = 1
}
point1.point.color = new Cesium.Color(1, 1, 0, i);
}, 100)
// -----------------------------示例2--------------------------------
let x = -120;
let y = 30;
let position2 = new Cesium.Cartesian3.fromDegrees(x, y, 100000);
let color2 = new Cesium.Color(1, 0, 0, 1);
let point2 = viewer.entities.add({
name: "point2",
position: new Cesium.CallbackProperty(() => {
return position2;
}, false),
point: {
pixelSize: 20,
color: new Cesium.CallbackProperty(() => {
return color2;
}, false),
},
})
// 修改位置
setInterval(() => {
x = x + 1;
y = y + 1
position2 = new Cesium.Cartesian3.fromDegrees(x, y, 100000);
}, 400)
</script>
</body>
</html>