mirror of
https://github.com/jiawanlong/Cesium-Examples.git
synced 2025-11-03 16:54:16 +00:00
144 lines
5.4 KiB
HTML
144 lines
5.4 KiB
HTML
<!--********************************************************************
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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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<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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<script src="./jquery-1.8.3.min.js"></script>
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<style>
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input {
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position: absolute;
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top: 10px;
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left: 10px;
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}
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</style>
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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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<input type="range" min="-100" id="inp" max="100" value="0">
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<script type="text/javascript">
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Cesium.Ion.defaultAccessToken = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiI3ZjQ5ZGUzNC1jNWYwLTQ1ZTMtYmNjYS05YTY4ZTVmN2I2MDkiLCJpZCI6MTE3MTM4LCJpYXQiOjE2NzY0NDUyODB9.ZaNSBIfc1sGLhQd_xqhiSsc0yr8oS0wt1hAo9gbke6M'
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const viewer = new Cesium.Viewer('map', {});
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let yszb;
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// 开启帧率
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viewer.scene.debugShowFramesPerSecond = true;
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const tileset = new Cesium.Cesium3DTileset({
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url: "./data/tileset.json",
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});
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tileset.readyPromise
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.then(function (tileset) {
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viewer.scene.primitives.add(tileset);
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viewer.zoomTo(tileset)
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// 打印出当前模型的位置
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console.log(getModelInfo())
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ysgd = getModelInfo()
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var cartographic = Cesium.Cartographic.fromDegrees(ysgd.x, ysgd.y, ysgd.z);
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var posi = new Cesium.Cartographic(cartographic.longitude, cartographic.latitude)
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var height = viewer.scene.globe.getHeight(posi)
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changePosition(ysgd.x, ysgd.y, height, 0, 0, 0, 1)
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})
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.catch(function (error) {
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console.log(error);
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});
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// 获取模型信息
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function getModelInfo() {
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var result = {};
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var boundingSphere = tileset.boundingSphere;
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var position = boundingSphere.center;
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var catographic = Cesium.Cartographic.fromCartesian(position);
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var height = Number(catographic.height.toFixed(2));
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var longitude = Number(Cesium.Math.toDegrees(catographic.longitude).toFixed(6));
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var latitude = Number(Cesium.Math.toDegrees(catographic.latitude).toFixed(6));
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result = {
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x: longitude,
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y: latitude,
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z: height,
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heading: 0
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};
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var mat = Cesium.Matrix4.fromArray(tileset._root.transform);
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var pos = Cesium.Matrix4.getTranslation(mat, new Cesium.Cartesian3());
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var wpos = Cesium.Cartographic.fromCartesian(pos);
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result.x = Number(Cesium.Math.toDegrees(wpos.longitude).toFixed(6));
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result.y = Number(Cesium.Math.toDegrees(wpos.latitude).toFixed(6));
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result.z = Number(wpos.height.toFixed(2));
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return result;
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}
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// ----------------------------更改位置------------------------------
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// rx: 俯仰(pitch)，机头上下摇摆
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// ry: 滚转(roll)，机身绕中轴线旋转
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// rz:偏航（heading），即机头朝左右摇摆
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// scales放大系数
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function changePosition(tx, ty, tz, rx, ry, rz, scales) {
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let params = {
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tx,
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ty,
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tz,
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rx,
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ry,
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rz
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};
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let mx = Cesium.Matrix3.fromRotationX(Cesium.Math.toRadians(params.rx));
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let my = Cesium.Matrix3.fromRotationY(Cesium.Math.toRadians(params.ry));
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let mz = Cesium.Matrix3.fromRotationZ(Cesium.Math.toRadians(params.rz));
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let rotationX = Cesium.Matrix4.fromRotationTranslation(mx);
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let rotationY = Cesium.Matrix4.fromRotationTranslation(my);
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let rotationZ = Cesium.Matrix4.fromRotationTranslation(mz);
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//平移
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let position = Cesium.Cartesian3.fromDegrees(params.tx, params.ty, params.tz);
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let m = Cesium.Transforms.eastNorthUpToFixedFrame(position);
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let scale = Cesium.Matrix4.fromUniformScale(scales);
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// //缩放
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Cesium.Matrix4.multiply(m, scale, m);
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//旋转、平移矩阵相乘
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Cesium.Matrix4.multiply(m, rotationX, m);
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Cesium.Matrix4.multiply(m, rotationY, m);
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Cesium.Matrix4.multiply(m, rotationZ, m);
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// return m;
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console.log(JSON.stringify(m))
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tileset._root.transform = m;
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}
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$("#inp").change(() => {
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let v = $("#inp").val();
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changePosition(ysgd.x, ysgd.y, ysgd.z + Number(v), 0, 0, 0, 1)
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})
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// 深度监测
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viewer.scene.globe.depthTestAgainstTerrain = false;
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// changePosition(121.5480435,25.0421187,13,0,0,20,1)
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viewer.zoomTo(tileset)
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// 修改位置
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// changePosition(120,40,-100000,0,0,0,2)
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// 修改模型颜色等
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// var r = 255;
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// var g = 0;
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// var b = 255;
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// var a = 0.9;
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// tileset.style = new Cesium.Cesium3DTileStyle({color: "color('rgba(" + r + "," + g + "," + b + ", " + a + ")')"})
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</script>
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</body>
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</html> |