(function (window) {
	'use strict';

	function define_CesiumRadar() {
		//Main object
		var CesiumRadar = {};
		var CesiumRadarArr = [];

		CesiumRadar.create = function (options) {
			CesiumRadarArr.push(options.viewer.entities.add({
				id: options.id,
				position: options.position,
				orientation: Cesium.Transforms.headingPitchRollQuaternion(options.position,
					new Cesium.HeadingPitchRoll(
						Cesium.Math.toRadians(options.heading),
						Cesium.Math.toRadians(options.pitch),
						options.roll)
				),
				ellipsoid: {
					radii: new Cesium.Cartesian3(options.far, options.far, options.far),
					innerRadii: new Cesium.Cartesian3(options.near, options.near, options.near),
					minimumClock: Cesium.Math.toRadians(options.heading - options.angle / 2),
					maximumClock: Cesium.Math.toRadians(options.heading + options.angle / 2),
					minimumCone: Cesium.Math.toRadians(90 - options.cone),
					maximumCone: Cesium.Math.toRadians(95),
					stackPartitions: 32,
					slicePartitions: 32,
					material: options.color,
					outline: true,
					outlineColor: options.outColor
				}
			}));
		};

		var drawHandler;
		CesiumRadar.createByMousePick = function (options) {
			drawHandler = drawHandler && drawHandler.destroy();
			drawHandler = new Cesium.ScreenSpaceEventHandler(options.viewer.scene.canvas);
			drawHandler.setInputAction(function (movement) {
				var previousPosition = options.viewer.scene.pickPosition(movement.position);
				var cartographic = Cesium.Cartographic.fromCartesian(previousPosition);
				var height = cartographic.height;//模型高度
				if (Number(height) < 0) {
					var ray = options.viewer.camera.getPickRay(movement.position);
					previousPosition = options.viewer.scene.globe.pick(ray, options.viewer.scene);
				}
				options.position = previousPosition.clone();
				drawHandler = drawHandler && drawHandler.destroy();
				CesiumRadar.create(options);
			}, Cesium.ScreenSpaceEventType.LEFT_CLICK);
		};

		CesiumRadar.remove = function (viewer, id) {
			if (viewer.entities.getById(id)) {
				viewer.entities.removeById(id);
			}
		};

		CesiumRadar.clear = function (viewer) {
			for (var i = 0; i < CesiumRadarArr.length; i++) {
				viewer.entities.remove(CesiumRadarArr[i]);
			}
			CesiumRadarArr = [];
		}

		return CesiumRadar;
	}

	if (typeof (CesiumRadar) === 'undefined') {
		window.CesiumRadar = define_CesiumRadar();
	} else {
		console.log("CesiumRadar already defined.");
	}
})(window);