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44.旋转模型.html

<!DOCTYPE html>
<html lang="en">

<head>
    <!-- Use correct character set. -->
    <meta charset="utf-8" />
    <!-- Tell IE to use the latest, best version. -->
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <!-- Make the application on mobile take up the full browser screen and disable user scaling. -->
    <meta name="viewport"
        content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no" />
    <title>Hello World!</title>
    <script src="Build/Cesium/Cesium.js"></script>
    <script src="js/jquery.min.js"></script>
    <style>
        @import url(Build/Cesium/Widgets/widgets.css);

        html,
        body,
        #cesiumContainer {
            width: 100%;
            height: 100%;
            margin: 0;
            padding: 0;
            overflow: hidden;
        }

        #getposition {
            position: absolute;
            top: 0;
            left: 0;
            width: 300px;
            height: 600px;
            background-color: gray
        }
    </style>
</head>

<body>
    <button onClick="rotatex()">rotatex</button>
    <button onClick="rotatey()">rotatey</button>
    <button onClick="rotatez()">rotatez</button>


    <div id="cesiumContainer"></div>


    <script>

        //创建一个基本地球
        let viewer = new Cesium.Viewer("cesiumContainer", {
            imageryProvider: new Cesium.WebMapTileServiceImageryProvider({
                url: 'http://t0.tianditu.gov.cn/img\_w/wmts?tk=0702d09e30dca11ed07ba4cec6d6bdac',
                layer: 'img',
                style: 'default',
                tileMatrixSetID: 'w',
                format: 'tiles',
                maximumLevel: 18
            }),
            animation: false, //动画控制，默认true （图中1）
            baseLayerPicker: false,//地图切换控件(底图以及地形图)是否显示,默认显示true  （图中6）
            fullscreenButton: true,//全屏按钮,默认显示true  （图中4）
            geocoder: false,//地名查找,默认true  （图中9）
            // timeline: false,//时间线,默认true  （图中3）
            vrButton: false,//双屏模式,默认不显示false
            homeButton: true,//主页按钮，默认true  （图中8）
            infoBox: false,//点击要素之后显示的信息,默认true
            selectionIndicator: true,//选中元素显示,默认true
            shadows: true,
        });
        viewer.cesiumWidget.creditContainer.style.display = "none";//去cesium logo水印

        viewer.scene.debugShowFramesPerSecond = true;//开启帧数
        var shadowMap = viewer.shadowMap;
        shadowMap.softShadows = true;
        shadowMap.maximumDistance = 1300.0;

        //添加数据

        //添加文字
        viewer.entities.add({
            name: '文字',
            position: Cesium.Cartesian3.fromDegrees(116.39123, 39.90691),
            label: {
                text: '看这里',
                font: '19px Helvetica',
                style: Cesium.LabelStyle.FILL_AND_OUTLINE,
                fillColor: Cesium.Color.AZURE,
                outlineColor: Cesium.Color.BLACK,
                outlineWidth: 3,
                verticalOrigin: Cesium.VerticalOrigin.BOTTOM, //垂直方向以底部来计算标签的位置
            }
        });

        //加载化工装置
        var tileset = viewer.scene.primitives.add(new Cesium.Cesium3DTileset({
            url: '测试辅助文件/彩版压缩环氧乙烷/tileset.json', //数据路径
            //  url: '测试辅助文件/催化重整/催化重整.json', //数据路径
            maximumScreenSpaceError: 20, //最大的屏幕空间误差，数值越小，显示越精细
            maximumNumberOfLoadedTiles: 1000, //最大加载瓦片个数

            //minimumPixelSize: 500,
        }));


        viewer.scene.postProcessStages.fxaa.enabled = true;
        var utc = Cesium.JulianDate.fromDate(new Date("2019/10/04 12:30:00"));//UTC


        var boundingSphere = new Cesium.BoundingSphere(Cesium.Cartesian3.fromDegrees(116.39123, 39.90691, 10), 18.7);

        viewer.camera.flyToBoundingSphere(boundingSphere, { duration: 0 });


        ///下面是本次代码


        var m = tileset.modelMatrix;

        var anglex = 0;
        function rotatex() {
            anglex += 0.001;
            let m1 = Cesium.Matrix3.fromRotationX(Cesium.Math.toRadians(anglex));
            tileset.modelMatrix = Cesium.Matrix4.multiplyByMatrix3(m, m1, new Cesium.Matrix4());
        }

        var angley = 1;
        function rotatey() {
            angley += 0.001;
            let m1 = Cesium.Matrix3.fromRotationY(Cesium.Math.toRadians(angley));
            tileset.modelMatrix = Cesium.Matrix4.multiplyByMatrix3(m, m1, new Cesium.Matrix4());
        }

        var anglez = 1;
        function rotatez() {
            anglez += 0.001;
            let m1 = Cesium.Matrix3.fromRotationZ(Cesium.Math.toRadians(anglez));
            tileset.modelMatrix = Cesium.Matrix4.multiplyByMatrix3(m, m1, new Cesium.Matrix4());
        }


    </script>
</body>

</html>