"use strict";

function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = void 0;
var _react = _interopRequireWildcard(require("react"));
var _propTypes = _interopRequireDefault(require("prop-types"));
var _useProps2 = _interopRequireDefault(require("../use-props"));
var _cesium = require("cesium");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(e) { return e ? t : r; })(e); }
function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != _typeof(e) && "function" != typeof e) return { "default": e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && {}.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n["default"] = e, t && t.set(e, n), n; }
function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
function _iterableToArrayLimit(r, l) { var t = null == r ? null : "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (null != t) { var e, n, i, u, a = [], f = !0, o = !1; try { if (i = (t = t.call(r)).next, 0 === l) { if (Object(t) !== t) return; f = !1; } else for (; !(f = (e = i.call(t)).done) && (a.push(e.value), a.length !== l); f = !0); } catch (r) { o = !0, n = r; } finally { try { if (!f && null != t["return"] && (u = t["return"](), Object(u) !== u)) return; } finally { if (o) throw n; } } return a; } }
function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
var CircleFly = function CircleFly(props) {
  var _useProps = (0, _useProps2["default"])(),
    map = _useProps.map;
  var data = props.data,
    height = props.height,
    speed = props.speed,
    angle = props.angle;
  (0, _react.useEffect)(function () {
    var distance = height || 15000;
    var seconds = speed || 15;
    var _data = _slicedToArray(data, 2),
      lon = _data[0],
      lat = _data[1];
    var position = _cesium.Cartesian3.fromDegrees(lon, lat, 0);
    var pitch = _cesium.Math.toRadians(angle || -45);
    var _angle = 360 / seconds;
    var startTime = _cesium.JulianDate.fromDate(new Date());
    var stopTime = _cesium.JulianDate.addSeconds(startTime, seconds, new _cesium.JulianDate());
    map.clock.startTime = startTime.clone(); // 开始时间
    map.clock.stopTime = stopTime.clone(); // 结速时间
    map.clock.currentTime = startTime.clone(); // 当前时间
    map.clock.clockRange = _cesium.ClockRange.CLAMPED; // 行为方式
    map.clock.clockStep = _cesium.ClockStep.SYSTEM_CLOCK; // 时钟设置为当前系统时间; 忽略所有其他设置。
    map.clock.shouldAnimate = true;
    var startHeading = map.camera.heading;
    var timeExecution = function timeExecution() {
      var delTime = _cesium.JulianDate.secondsDifference(map.clock.currentTime, map.clock.startTime);
      var heading = _cesium.Math.toRadians(delTime * _angle) + startHeading;
      map.scene.camera.setView({
        destination: position,
        orientation: {
          heading: heading,
          pitch: pitch
        }
      });
      map.scene.camera.moveBackward(distance);
      if (_cesium.JulianDate.compare(map.clock.currentTime, map.clock.stopTime) >= 0) {
        map.clock.onTick.removeEventListener(timeExecution);
      }
    };
    map.scene.postRender.addEventListener(timeExecution);
    return function () {
      map.scene.postRender.removeEventListener(timeExecution);
    };
  }, []);
  return /*#__PURE__*/_react["default"].createElement(_react["default"].Fragment, null);
};
CircleFly.propTypes = {
  data: _propTypes["default"].array,
  height: _propTypes["default"].number,
  speed: _propTypes["default"].number,
  angle: _propTypes["default"].number
};
var _default = exports["default"] = CircleFly;
//# sourceMappingURL=index.js.map
