lixuliang
2024-04-19 1fef6dcc04ffe09336e4983c2b05962ad901e545
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<template>
  <Popup
    ref="pop"
    :title="title"
    :shadow="false"
    :left="left"
    width="390px"
    :showBtn="false"
  >
    <el-form ref="form" :model="data" :rules="rules" label-width="100px">
      <el-form-item label="名称:">
        <el-input v-model="data.name"></el-input>
      </el-form-item>
      <el-form-item label="地址:" prop="url">
        <el-input v-model="data.url" :title="data.url"></el-input>
      </el-form-item>
      <el-form-item label="类型:">
        <el-select v-model="data.type">
          <el-option label="mp4" value="mp4"></el-option>
          <el-option label="hls" value="hls"></el-option>
          <el-option label="flv" value="flv"></el-option>
        </el-select>
      </el-form-item>
 
      <el-form-item label="透明度:">
        <el-slider v-model="data.alpha" :max="1" :step="0.01"></el-slider>
      </el-form-item>
      <el-form-item label="辅助线:">
        <el-switch v-model="data.useLine"></el-switch>
      </el-form-item>
      <el-form-item label="添加视频:">
        <el-button type="primary" size="mini" @click="drawVideo('camera')"
          >当前视角</el-button
        >
        <el-button type="primary" size="mini" @click="drawVideo"
          >图上选点</el-button
        >
      </el-form-item>
    </el-form>
  </Popup>
</template>
 
<script>
import Popup from "@tools/Popup";
import Bus from "@tools/Bus";
 
let video, handler;
export default {
  name: "AddVideo",
  components: {
    Popup,
  },
  data() {
    return {
      title: "添加视频投影",
      left: "calc(100% - 400px)",
      data: {
        name: "",
        video2D: false,
        sourceType: "video3D",
        type: "mp4",
        url: "",
        horizonAngle: 60, //相机水平视角
        verticalAngle: 40, //相机垂直视角
        offset: 0.1, //视频四周羽化比例
        alpha: 0.9, //透明度
        useLine: true, //是否试用辅助线
      },
      // 表单验证规则
      rules: {
        url: [{ required: true, message: "请输入视频地址", trigger: "blur" }],
      },
    };
  },
  mounted() {},
  methods: {
    // 关闭弹窗
    close() {
      handler && handler.destroy();
      handler = undefined;
      // 重置data值
      Object.assign(this.$data, this.$options.data());
    },
    // 打开弹窗
    open(type) {
      this.close(true);
      this.data.video2D = type === "2d";
      this.data.name = this.data.video2D ? "2D视频投影" : "3D视频投影";
      this.data.url = SmartEarthRootUrl + "Workers/image/video.mp4";
      this.$refs.pop.open();
    },
    drawVideo(type) {
      this.$refs.form.validate((valid) => {
        // 验证通过
        if (valid) {
          let data = {
            id: sgworld.Core.getuid(),
            ...this.data,
          };
          if (type === "camera") {
            let cameraDegrees = sgworld.Navigate.getDegrees();
            let degrees = sgworld.Navigate.getMouseDegrees({
              x: Viewer.container.offsetWidth / 2,
              y: Viewer.container.offsetHeight / 2,
            });
            data.cameraPosition = Cesium.Cartesian3.fromDegrees(
              cameraDegrees.lon,
              cameraDegrees.lat,
              cameraDegrees.height
            );
            if (degrees) {
              data.position = Cesium.Cartesian3.fromDegrees(
                degrees.lon,
                degrees.lat,
                degrees.height
              );
              if (!this.data.video2D) {
                data.far =
                  Cesium.Cartesian3.distance(
                    data.cameraPosition,
                    data.position
                  ) * 1.5;
              }
              this.Video(data);
            }
          } else {
            let viewCone = sgworld.Creator.createViewCone(
              {},
              (item, positions) => {
                viewCone.destroy();
                data.cameraPosition = sgworld.Core.toDegrees(positions[0]);
                data.position = sgworld.Core.toDegrees(positions[1]);
                data.far = Cesium.Cartesian3.distance(
                  positions[0],
                  positions[1]
                );
                this.Video(data);
              }
            );
          }
        }
      });
    },
    // 对象 - 视频投影
    Video(data) {
      sgworld.Creator.Video3D({
        ...data,
        success(item) {
          delete data.position;
          data.heading = item.thisVideo.heading;
          data.pitch = item.thisVideo.pitch;
          data.item = item;
          Bus.$emit("addOtherData", "视频投影", data);
        },
      });
    },
    pick(type) {
      handler && handler.destroy();
      handler = new Cesium.ScreenSpaceEventHandler(Viewer.scene.canvas);
      this.$message("在场景内点击左键拾取坐标更新位置");
      handler.setInputAction((event) => {
        let degrees = sgworld.Navigate.getMouseDegrees(event);
        type === "cameraPosition" && Object.assign(this.data[type], degrees);
        video.updateVideo({
          [type]: Cesium.Cartesian3.fromDegrees(
            degrees.lon,
            degrees.lat,
            degrees.height
          ),
        });
        this.data.heading = video.thisVideo.heading;
        this.data.pitch = video.thisVideo.pitch;
        handler.destroy();
      }, Cesium.ScreenSpaceEventType.LEFT_CLICK);
    },
  },
};
</script>
 
<style scoped lang="less">
.el-form {
  margin-top: 20px;
  margin-right: 10px;
  width: 380px;
 
  /deep/ .el-form-item__label {
    color: #fff;
    font-size: 18px;
  }
 
  .heading-slider {
    width: 157px;
    display: inline-block;
    vertical-align: middle;
  }
 
  .el-select {
    width: 100%;
  }
}
</style>