"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");
var _ahooks = require("ahooks");
function _interopRequireDefault(e) { return e && e.__esModule ? e : { "default": e }; }
function _interopRequireWildcard(e, t) { if ("function" == typeof WeakMap) var r = new WeakMap(), n = new WeakMap(); return (_interopRequireWildcard = function _interopRequireWildcard(e, t) { if (!t && e && e.__esModule) return e; var o, i, f = { __proto__: null, "default": e }; if (null === e || "object" != _typeof(e) && "function" != typeof e) return f; if (o = t ? n : r) { if (o.has(e)) return o.get(e); o.set(e, f); } for (var _t in e) "default" !== _t && {}.hasOwnProperty.call(e, _t) && ((i = (o = Object.defineProperty) && Object.getOwnPropertyDescriptor(e, _t)) && (i.get || i.set) ? o(f, _t, i) : f[_t] = e[_t]); return f; })(e, t); }
function _slicedToArray(r, e) { return _arrayWithHoles(r) || _iterableToArrayLimit(r, e) || _unsupportedIterableToArray(r, e) || _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(r, a) { if (r) { if ("string" == typeof r) return _arrayLikeToArray(r, a); var t = {}.toString.call(r).slice(8, -1); return "Object" === t && r.constructor && (t = r.constructor.name), "Map" === t || "Set" === t ? Array.from(r) : "Arguments" === t || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(t) ? _arrayLikeToArray(r, a) : void 0; } }
function _arrayLikeToArray(r, a) { (null == a || a > r.length) && (a = r.length); for (var e = 0, n = Array(a); e < a; e++) n[e] = r[e]; return n; }
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(r) { if (Array.isArray(r)) return r; }
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,
    play = props.play;
  var playRef = (0, _react.useRef)(play);
  (0, _ahooks.useUpdateEffect)(function () {
    map.clock.shouldAnimate = play;
    playRef.current = play;
  }, [play]);
  (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, Infinity, 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 = play;
    var startHeading = map.camera.heading;
    var _timeExecution = function timeExecution() {
      if (playRef.current) {
        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,
  play: _propTypes["default"].bool
};
var _default = exports["default"] = CircleFly;
//# sourceMappingURL=index.js.map
