/*
 * @Author: GuLiMmo 2820890765@qq.com
 * @Date: 2024-05-11 09:18:29
 * @LastEditors: GuLiMmo 2820890765@qq.com
 * @LastEditTime: 2024-05-11 09:20:27
 * @FilePath: /bigScreen/src/utils/cesium/webMercatorTilingScheme/index.js
 * @Description: 高德地图纠偏
 * Copyright (c) 2024 by GuLiMmo, All Rights Reserved.
 */
import {
	WebMercatorProjection,
	WebMercatorTilingScheme,
	Math,
	Cartographic,
	Cartesian2,
} from 'cesium'
import CoordTransform from './CoordTransform'

class AmapMercatorTilingScheme extends WebMercatorTilingScheme {
	constructor() {
		super()

		let projection = new WebMercatorProjection()

		this._projection.project = function (cartographic, result) {
			result = CoordTransform.WGS84ToGCJ02(
				Math.toDegrees(cartographic.longitude),
				Math.toDegrees(cartographic.latitude)
			)
			result = projection.project(
				new Cartographic(Math.toRadians(result[0]), Math.toRadians(result[1]))
			)
			return new Cartesian2(result.x, result.y)
		}

		this._projection.unproject = function (cartesian, result) {
			let cartographic = projection.unproject(cartesian)
			result = CoordTransform.GCJ02ToWGS84(
				Math.toDegrees(cartographic.longitude),
				Math.toDegrees(cartographic.latitude)
			)
			return new Cartographic(Math.toRadians(result[0]), Math.toRadians(result[1]))
		}
	}
}

export default AmapMercatorTilingScheme