import { defineConfig } from 'vite'
import vue from '@vitejs/plugin-vue'
import cesium from 'vite-plugin-cesium'
// https://vite.dev/config/
export default defineConfig({
  plugins: [
    vue(),
  cesium()],
})

<template>
  <div id="app">
    <div id="cesium-container"></div>
    <div class="control-panel">
      <div>
        <label>经度: </label>
        <input v-model="longitude" type="number" step="0.000001">
      </div>
      <div>
        <label>纬度: </label>
        <input v-model="latitude" type="number" step="0.000001">
      </div>
      <div>
        <label>高度(米): </label>
        <input v-model="height" type="number">
      </div>
      <div>
        <label>偏航角(度): </label>
        <input v-model="headingAngle" type="number">
      </div>
      <div>
        <label>俯仰角(度): </label>
        <input v-model="pitchAngle" type="number">
      </div>
      <button @click="flyTo">飞入</button>
    </div>
  </div>
</template>

<script>
import { onMounted, ref } from 'vue';
import * as Cesium from 'cesium';

export default {
  setup() {
    // 默认参数
    const longitude = ref(108.94859);
    const latitude = ref(34.18970);
    const height = ref(230);
    const headingAngle = ref(255.01);
    const pitchAngle = ref(-77.64);

    let viewer = null;

    Cesium.Ion.defaultAccessToken ="WeyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiI1NDYwYTU4Ny01OGQzLTQ1YjItYmM0OS1lMTg0NzQ4Y2E5ZjQiLCJpZCI6NDQ4OTksImlhdCI6MTYxNDU3MDc5OX0.Wx5h51PEYxUM_ORJ6gGbyew1nhzTX2wEN01P7BU38cE";

    // 初始化Cesium
    const initCesium = async () => {
      //知识重点////////////////
      //创建 Cesium.Viewer 时没有指定 imageryProvider 和 terrainProvider，则Cesium 会自动使用默认的 Bing Maps 作为影像源（通过您提供的 Ion Token）
      
      // 检查Cesium版本
      console.log('Cesium版本:', Cesium.VERSION);
     
      viewer = new Cesium.Viewer('cesium-container', {
       // terrainProvider: new Cesium.EllipsoidTerrainProvider(),    //EllipsoidTerrainProvider加载默认的地形。效果是有bing地图但是无起伏dem数据。
        timeline: false,
        animation: false,
        baseLayerPicker: false,
        sceneModePicker: false,
        navigationHelpButton: false,
        homeButton: false,
        geocoder: false,
        infoBox: false,
        selectionIndicator: false
      });

      // // 添加基本影像图层（使用OpenStreetMap）
      // viewer.imageryLayers.addImageryProvider(
      //   new Cesium.UrlTemplateImageryProvider({
      //     url: 'https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png',
      //     subdomains: ['a', 'b', 'c'],
      //     maximumLevel: 19
      //   })
      // );

      // 或者方法2：使用ArcGIS World Imagery（免费卫星影像）国内不能访问！！！
      // viewer.imageryLayers.addImageryProvider(
      //   new Cesium.ArcGisMapServerImageryProvider({
      //     url: 'https://services.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer'
      //   })
      // );

      // // 高德地图影像
      // const amapProvider = new Cesium.UrlTemplateImageryProvider({
      //   url: 'https://webst0{1-4}.is.autonavi.com/appmaptile?style=6&x={x}&y={y}&z={z}',
      //   subdomains: ['1', '2', '3', '4'],
      //   maximumLevel: 18
      // });
       
   
      //加载自定义地形服务
      viewer.terrainProvider = Cesium.CesiumTerrainProvider.fromUrl(
        'http://192.168.10.23:42225/service/bydzy2lf9bkl/terrain', 
        {
          requestWaterMask: true,
        }
      );

      //移除水印
      viewer.cesiumWidget.creditContainer.style.display = "none";

      // flyTo();
    };
    onMounted(initCesium);

    const flyTo = () => {
      if (viewer) {
        const destination = Cesium.Cartesian3.fromDegrees(
          parseFloat(longitude.value),
          parseFloat(latitude.value),
          parseFloat(height.value)
        );
        
        const heading = Cesium.Math.toRadians(parseFloat(headingAngle.value));
        const pitch = Cesium.Math.toRadians(parseFloat(pitchAngle.value));
        
        viewer.camera.flyTo({
          destination,
          orientation: {
            heading,
            pitch,
            roll: 0.0
          },
          duration: 3 // 飞行时间（秒）
        });
      }
    };



    return {
      longitude, latitude, height,
      headingAngle, pitchAngle,flyTo   
    };
  }
};
</script>


<style>
/* 样式保持不变 */
#app {
  width: 100%;
  height: 100vh;
  margin: 0;
  padding: 0;
  background: rgba(42, 42, 42, 0.8);

}

#cesium-container {
  position: absolute;
  width: 100%;
  height: 100vh;
  margin: 0;
  padding: 0;
  overflow: hidden;
}

.control-panel {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(42, 42, 42, 0.8);
  padding: 10px;
  border-radius: 5px;
  z-index: 999;
  color: white;
}

.control-panel div {
  margin-bottom: 8px;
}

.control-panel label {
  display: inline-block;
  width: 100px;
}

.control-panel input {
  width: 80px;
}

.control-panel button {
  margin-top: 10px;
  padding: 5px 10px;
  cursor: pointer;
}
</style>

<template>
  <div id="app">
    <div id="cesium-container"></div>
    <div class="control-panel">
      <div>
        <label>经度: </label>
        <input v-model="longitude" type="number" step="0.000001">
      </div>
      <div>
        <label>纬度: </label>
        <input v-model="latitude" type="number" step="0.000001">
      </div>
      <div>
        <label>高度(米): </label>
        <input v-model="height" type="number">
      </div>
      <div>
        <label>偏航角(度): </label>
        <input v-model="headingAngle" type="number">
      </div>
      <div>
        <label>俯仰角(度): </label>
        <input v-model="pitchAngle" type="number">
      </div>
      <button @click="flyTo">飞入</button>
    </div>
  </div>
</template>

<script>
import { onMounted, ref } from 'vue';
import * as Cesium from 'cesium';

export default {
  setup() {
    // 默认参数 (西安大雁塔附近坐标)
    const longitude = ref(108.94859);
    const latitude = ref(34.18970);
    const height = ref(500); // 建议高度设置高一点，方便观察地形起伏
    const headingAngle = ref(255.01);
    const pitchAngle = ref(-77.64);

    let viewer = null;

    // 1. 配置 Cesium Token
    Cesium.Ion.defaultAccessToken = "WeyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiI1NDYwYTU4Ny01OGQzLTQ1YjItYmM0OS1lMTg0NzQ4Y2E5ZjQiLCJpZCI6NDQ4OTksImlhdCI6MTYxNDU3MDc5OX0.Wx5h51PEYxUM_ORJ6gGbyew1nhzTX2wEN01P7BU38cE";

    const initCesium = async () => {
      console.log('Cesium版本:', Cesium.VERSION);
     
      // 2. 创建 Viewer 实例
      viewer = new Cesium.Viewer('cesium-container', {
        terrainProvider: new Cesium.EllipsoidTerrainProvider(), // 先使用默认地形兜底
        timeline: false,
        animation: false,
        baseLayerPicker: false,
        sceneModePicker: false,
        navigationHelpButton: false,
        homeButton: false,
        geocoder: false,
        infoBox: false,
        selectionIndicator: false,
        // 配置高德地图影像 (修复了 {s} 占位符问题)
        imageryProvider: new Cesium.UrlTemplateImageryProvider({
          url: 'https://webst0{s}.is.autonavi.com/appmaptile?style=6&x={x}&y={y}&z={z}',
          subdomains: ['1', '2', '3', '4'],
          maximumLevel: 18,
          credit: new Cesium.Credit('高德地图')
        })
      });

      // 3. 移除默认图层并确保高德地图在最底层
      viewer.imageryLayers.removeAll();
      viewer.imageryLayers.addImageryProvider(new Cesium.UrlTemplateImageryProvider({
        url: 'https://webst0{s}.is.autonavi.com/appmaptile?style=6&x={x}&y={y}&z={z}',
        subdomains: ['1', '2', '3', '4'],
        maximumLevel: 18
      }));

      // 4. 加载自定义地形服务 (使用 Promise 链式调用避免 undefined 错误)
      const terrainUrl = 'http://192.168.10.23:42225/service/bydzy2lf9bkl/terrain';
      console.log('正在连接地形服务:', terrainUrl);

      try {
        if (Cesium.CesiumTerrainProvider.fromUrl) {
          Cesium.CesiumTerrainProvider.fromUrl(terrainUrl, {
            requestWaterMask: true,
            requestVertexNormals: true
          }).then(provider => {
            if (provider) {
              provider.readyPromise.then(() => {
                console.log('✅ 地形加载成功！');
                viewer.terrainProvider = provider;
                viewer.scene.globe.dirty = true; // 强制刷新
                flyTo(); // 地形加载好后再定位
              }).catch(err => {
                console.error('❌ 地形准备失败:', err);
              });
            }
          }).catch(err => {
            console.error('❌ 地形Provider创建失败:', err);
          });
        }
      } catch (error) {
        console.error('❌ 地形加载异常:', error);
        alert('地形服务连接失败，请检查网络或服务端配置。');
      }

      // 5. 场景优化配置
      viewer.scene.globe.depthTestAgainstTerrain = true; // 开启深度测试，防止模型穿模
      viewer.scene.globe.enableLighting = true; // 开启光照，让地形阴影更明显
      
      // 移除 Cesium 水印
      viewer.cesiumWidget.creditContainer.style.display = "none";
    };

    onMounted(initCesium);

    // 6. 视角控制方法
    const flyTo = () => {
      if (viewer) {
        const destination = Cesium.Cartesian3.fromDegrees(
          parseFloat(longitude.value),
          parseFloat(latitude.value),
          parseFloat(height.value)
        );
        
        const heading = Cesium.Math.toRadians(parseFloat(headingAngle.value));
        const pitch = Cesium.Math.toRadians(parseFloat(pitchAngle.value));
        
        viewer.camera.flyTo({
          destination,
          orientation: {
            heading,
            pitch,
            roll: 0.0
          },
          duration: 2
        });
      }
    };

    return {
      longitude, latitude, height,
      headingAngle, pitchAngle, flyTo   
    };
  }
};
</script>

<style>
#app {
  width: 100%;
  height: 100vh;
  margin: 0;
  padding: 0;
  background: rgba(42, 42, 42, 0.8);
}

#cesium-container {
  position: absolute;
  width: 100%;
  height: 100vh;
  margin: 0;
  padding: 0;
  overflow: hidden;
}

.control-panel {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(42, 42, 42, 0.8);
  padding: 10px;
  border-radius: 5px;
  z-index: 999;
  color: white;
}

.control-panel div {
  margin-bottom: 8px;
}

.control-panel label {
  display: inline-block;
  width: 100px;
}

.control-panel input {
  width: 120px;
}

.control-panel button {
  margin-top: 10px;
  padding: 5px 10px;
  cursor: pointer;
  width: 100%;
}
</style>