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cesium_example_auth


			
				
					
						
						
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							<!DOCTYPE html>
<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <meta name="viewport" content="width=device-width,initial-scale=1,user-scalable=0,minimum-scale=1.0,maximum-scale=1.0" />
    <meta name="author" content="火星科技 http://mars3d.cn " />
    <meta name="apple-touch-fullscreen" content="yes" />
    <meta name="apple-mobile-web-app-capable" content="yes" />
    <meta name="apple-mobile-web-app-status-bar-style" content="black" />
    <meta name="format-detection" content="telephone=no" />
    <meta name="x5-fullscreen" content="true" />
    <meta http-equiv="X-UA-Compatible" content="IE=Edge,chrome=1" />
    <!-- 标题及搜索关键字 -->
    <meta name="keywords" content="火星科技,cesium,3D,GIS,marsgis,三维,地球,地图,开发,框架,系统,示例,资料,模型,离线,外包,合肥,安徽,中国" />
    <meta
      name="description"
      content="火星科技 合肥火星 合肥火星科技 合肥火星科技有限公司 leaflet leaflet框架 leaflet开发 cesium cesium开发 cesium框架 三维 地球 模型  gis marsgis 地图离线 地图开发 地图框架 地图外包 框架 开发 外包  地图离线 二维地图 三维地图 全景漫游 地理信息系统 云GIS 三维GIS GIS平台 WebGIS"
    />

    <link rel="shortcut icon" type="image/x-icon" href="" />
    <title>粒子效果 </title>

    <!--第三方lib-->
    <script
      type="text/javascript"
      src="../lib/include-lib.js"
      libpath="../lib/"
      include="jquery,font-awesome,bootstrap,bootstrap-checkbox,layer,haoutil,turf,mars3d"
    ></script>

    <link href="css/style.css" rel="stylesheet" />
    <style>
      #toolbar input {
        vertical-align: middle;
        padding-top: 2px;
        padding-bottom: 2px;
      }

      #toolbar .header {
        font-weight: bold;
      }
    </style>
  </head>

  <body class="dark">
    <!--加载前进行操作提示，优化用户体验-->
    <div id="mask" class="signmask" onclick="removeMask()"></div>

    <div id="mars3dContainer" class="mars3d-container"></div>

    <!-- 面板 -->
    <div id="toolbar" class="infoview">
      <table class="mars-table">
        <tbody>
          <tr title="粒子效果的所在位置">
            <td>所在位置</td>
            <td>
              <input id="btnSelectPosition" type="button" class="btn btn-info" value="图上选点" />
            </td>
            <td></td>
          </tr>

          <tr title="发射的整体方向所在位置">
            <td>发射目标方向</td>
            <td colspan="2">
              <input id="btnSelectTarget" type="button" class="btn btn-info" value="图上选点" />
              &nbsp;&nbsp;&nbsp;&nbsp; 点高度
              <input id="txtTargetHeight" type="number" size="5" value="10.0" style="width: 60px" />
            </td>
          </tr>

          <tr title="particleSize 粒子图片的Size大小">
            <td>粒子图片大小</td>
            <td>
              <input type="range" min="2" max="60.0" step="1" data-bind="value: particleSize, valueUpdate: 'input'" />
            </td>
            <td>
              <input type="text" size="5" data-bind="value: particleSize" />
              （px）
            </td>
          </tr>
          <tr title="startScale 粒子在出生时的比例（单位：相对于imageSize大小的倍数）">
            <td>粒子开始比例</td>
            <td>
              <input type="range" min="0.0" max="10.0" step="1" data-bind="value: startScale, valueUpdate: 'input'" />
            </td>
            <td>
              <input type="text" size="5" data-bind="value: startScale" />
            </td>
          </tr>

          <tr title="endScale 粒子在死亡时的比例（单位：相对于imageSize大小的倍数）">
            <td>粒子结束比例</td>
            <td>
              <input type="range" min="0.0" max="10.0" step="1" data-bind="value: endScale, valueUpdate: 'input'" />
            </td>
            <td>
              <input type="text" size="5" data-bind="value: endScale" />
            </td>
          </tr>

          <tr title="emissionRate 粒子发射器的发射速率">
            <td>粒子发射数量</td>
            <td>
              <input type="range" min="0.0" max="500.0" step="1" data-bind="value: emissionRate, valueUpdate: 'input'" />
            </td>
            <td>
              <input type="text" size="5" data-bind="value: emissionRate" />
              （次/秒）
            </td>
          </tr>

          <tr title="minimumParticleLife 粒子可能存在的最短寿命时间，实际寿命将随机生成">
            <td>最小寿命时长</td>
            <td>
              <input type="range" min="0.1" max="30.0" step="1" data-bind="value: minimumParticleLife, valueUpdate: 'input'" />
            </td>
            <td>
              <input type="text" size="5" data-bind="value: minimumParticleLife" />
              （秒）
            </td>
          </tr>

          <tr title="maximumParticleLife 粒子可能存在的最长寿命时间，实际寿命将随机生成">
            <td>最大寿命时长</td>
            <td>
              <input type="range" min="0.1" max="30.0" step="1" data-bind="value: maximumParticleLife, valueUpdate: 'input'" />
            </td>
            <td>
              <input type="text" size="5" data-bind="value: maximumParticleLife" />
              （秒）
            </td>
          </tr>

          <!-- <tr title="minimumSpeed 粒子初速度的最小界限，超过该最小界限，随机选择粒子的实际速度。">
                    <td>最小速度</td>
                    <td>
                        <input type="range" min="0.0" max="30.0" step="1"
                            data-bind="value: minimumSpeed, valueUpdate: 'input'">
                    </td>
                    <td>
                        <input type="text" size="5" data-bind="value: minimumSpeed">
                        （米/秒）
                    </td>
                </tr>

                <tr title="maximumSpeed 粒子初速度的最大界限，超过该最大界限，随机选择粒子的实际速度。">
                    <td>最大速度</td>
                    <td>
                        <input type="range" min="0.0" max="30.0" step="1"
                            data-bind="value: maximumSpeed, valueUpdate: 'input'">
                    </td>
                    <td>
                        <input type="text" size="5" data-bind="value: maximumSpeed">
                        （米/秒）
                    </td>
                </tr> -->

          <tr title="gravity 重力因子，会修改速度矢量以改变方向或速度（基于物理的效果）">
            <td>重力因子</td>
            <td>
              <input type="range" min="-20.0" max="20.0" step="1" data-bind="value: gravity, valueUpdate: 'input'" />
            </td>
            <td>
              <input type="text" size="5" data-bind="value: gravity" />
            </td>
          </tr>
        </tbody>
      </table>
    </div>

    <script src="./js/common.js"></script>
    <script type="text/javascript">
      "use script"; //开发环境建议开启严格模式

      var map;
      var particleGraphic;
      var particlePosition;

      function initMap(options) {
        //合并属性参数，可覆盖config.json中的对应配置
        var mapOptions = mars3d.Util.merge(options, {
          scene: {
            //此处参数会覆盖config.json中的对应配置
            center: { lat: 31.806029, lng: 117.222082, alt: 275, heading: 1, pitch: -12 },
          },
        });

        //创建三维地球场景
        map = new mars3d.Map("mars3dContainer", mapOptions);

        //创建Graphic图层
        var graphicLayer = new mars3d.layer.GraphicLayer();
        map.addLayer(graphicLayer);

        //2.在layer上绑定监听事件
        graphicLayer.on(mars3d.EventType.click, function (event) {
          console.log("监听layer，单击了矢量对象", event);
        });
        graphicLayer.on(mars3d.EventType.mouseOver, function (event) {
          console.log("监听layer，鼠标移入了矢量对象", event);
        });
        graphicLayer.on(mars3d.EventType.mouseOut, function (event) {
          console.log("监听layer，鼠标移出了矢量对象", event);
        });

        //可在图层上绑定popup,对所有加到这个图层的矢量数据都生效
        graphicLayer.bindPopup("我是layer上绑定的Popup");

        //可在图层上绑定tooltip,对所有加到这个图层的矢量数据都生效
        // graphicLayer.bindTooltip('我是layer上绑定的Tooltip')

        //可在图层绑定右键菜单,对所有加到这个图层的矢量数据都生效
        graphicLayer.bindContextMenu([
          {
            text: "删除对象",
            iconCls: "fa fa-trash-o",
            callback: function (e) {
              var primitive = e.graphic;
              if (primitive) {
                graphicLayer.removeGraphic(primitive);
              }
            },
          },
        ]);

        //绑定UI处理
        initParamView();

        particlePosition = Cesium.Cartesian3.fromDegrees(117.221844, 31.813857, 28.5);

        particleGraphic = new mars3d.graphic.ParticleSystem({
          position: particlePosition, //位置
          style: {
            image: "./img/particle/smoke.png",
            startColor: Cesium.Color.LIGHTCYAN.withAlpha(0.3), //粒子出生时的颜色
            endColor: Cesium.Color.WHITE.withAlpha(0.0), //当粒子死亡时的颜色

            particleSize: 20, //粒子图片的Size大小（单位：像素）
            startScale: 2.0, //粒子在出生时的比例（单位：相对于imageSize大小的倍数）
            endScale: 4.0, //粒子在死亡时的比例（单位：相对于imageSize大小的倍数）

            minimumParticleLife: 1.0, //粒子可能存在的最短寿命时间，实际寿命将随机生成（单位：秒）
            maximumParticleLife: 3.0, //粒子可能存在的最长寿命时间，实际寿命将随机生成（单位：秒）

            // minimumSpeed: 1.0,  //粒子初速度的最小界限，超过该最小界限，随机选择粒子的实际速度。（单位：米/秒） ？？？
            // maximumSpeed: 2.0,  //粒子初速度的最大界限，超过该最大界限，随机选择粒子的实际速度。（单位：米/秒）

            emissionRate: 200, //粒子发射器的发射速率 （单位：次/秒）
            // lifetime: 5, //粒子的一个生命周期长度（单位：秒） ？？？
          },
          gravity: -11, //重力因子，会修改速度矢量以改变方向或速度（基于物理的效果）
          target: new Cesium.Cartesian3(-0.151, 0.294, 0.225), // 粒子的方向
          maxHeight: 5000, //超出该高度后不显示粒子效果
        });
        graphicLayer.addGraphic(particleGraphic);

        $("#txtTargetHeight").change(function (e) {
          if (targetPosition) {
            updateTarget(targetPosition);
          }
        });
        $("#btnSelectTarget").click(drawPint);

        $("#btnSelectPosition").click(function (e) {
          map.graphicLayer.startDraw({
            type: "point",
            success: function (graphic) {
              //绘制成功后回调
              var positions = graphic.positionsShow;
              particlePosition = positions[0];
              map.graphicLayer.clear();

              particleGraphic.position = particlePosition;
            },
          });
        });
      }

      //UI绑定数据 处理
      function initParamView() {
        var viewModel = {
          particleSize: 20.0,
          startScale: 1.0,
          endScale: 3.0,
          emissionRate: 200,
          minimumParticleLife: 1.2,
          maximumParticleLife: 3.2,
          minimumSpeed: 1.0,
          maximumSpeed: 4.0,
          gravity: -11.0,
        };

        Cesium.knockout.track(viewModel);
        var toolbar = document.getElementById("toolbar");
        Cesium.knockout.applyBindings(viewModel, toolbar);

        //绑定事件
        Cesium.knockout.getObservable(viewModel, "emissionRate").subscribe(function (newValue) {
          particleGraphic.czmObject.emissionRate = parseFloat(newValue);
        });

        Cesium.knockout.getObservable(viewModel, "minimumParticleLife").subscribe(function (newValue) {
          particleGraphic.czmObject.minimumParticleLife = parseFloat(newValue);
        });

        Cesium.knockout.getObservable(viewModel, "maximumParticleLife").subscribe(function (newValue) {
          particleGraphic.czmObject.maximumParticleLife = parseFloat(newValue);
        });

        Cesium.knockout.getObservable(viewModel, "minimumSpeed").subscribe(function (newValue) {
          particleGraphic.czmObject.minimumSpeed = parseFloat(newValue);
        });

        Cesium.knockout.getObservable(viewModel, "maximumSpeed").subscribe(function (newValue) {
          particleGraphic.czmObject.maximumSpeed = parseFloat(newValue);
        });

        Cesium.knockout.getObservable(viewModel, "startScale").subscribe(function (newValue) {
          particleGraphic.czmObject.startScale = parseFloat(newValue);
        });

        Cesium.knockout.getObservable(viewModel, "endScale").subscribe(function (newValue) {
          particleGraphic.czmObject.endScale = parseFloat(newValue);
        });

        Cesium.knockout.getObservable(viewModel, "particleSize").subscribe(function (newValue) {
          var particleSize = parseFloat(newValue);
          particleGraphic.particleSize = particleSize;
        });

        Cesium.knockout.getObservable(viewModel, "gravity").subscribe(function (newValue) {
          var gravity = parseFloat(newValue);
          particleGraphic.gravity = gravity;
        });
      }

      var targetPosition;

      function drawPint() {
        map.graphicLayer.startDraw({
          type: "point",
          success: function (graphic) {
            //绘制成功后回调
            var positions = graphic.positionsShow;
            targetPosition = positions[0];
            map.graphicLayer.clear();

            updateTarget(targetPosition);
          },
        });
      }

      function updateTarget(position) {
        var addHeight = Number($("#txtTargetHeight").val());
        position = mars3d.PointUtil.addPositionsHeight(position, addHeight);

        var target = Cesium.Cartesian3.subtract(position, particlePosition, new Cesium.Cartesian3());
        Cesium.Cartesian3.multiplyByScalar(target, 0.01, target);

        console.log(`${target.x},${target.y},${target.z}`);
        particleGraphic.target = target;
      }
    </script>
  </body>
</html>