From 5f44d21b3921abc88506a7ec46b3fe6f078664aa Mon Sep 17 00:00:00 2001
From: riku <risaku@163.com>
Date: 星期五, 14 三月 2025 15:33:24 +0800
Subject: [PATCH] 新增走航融合功能（初版）
---
src/utils/map/3dLayer.js | 216 +++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 215 insertions(+), 1 deletions(-)
diff --git a/src/utils/map/3dLayer.js b/src/utils/map/3dLayer.js
index 4f6bfe6..01ff1d2 100644
--- a/src/utils/map/3dLayer.js
+++ b/src/utils/map/3dLayer.js
@@ -1 +1,215 @@
-import { object3Dlayer } from './index';
+/**
+ * 楂樺痉鍦板浘3D鍥惧舰缁樺埗鐩稿叧
+ */
+
+import { map, object3Dlayer } from './index_old';
+
+// 3d鍥惧舰
+var _cylinder = undefined,
+ // 褰撳墠缁樺埗鐨勫浘褰腑鐨勬渶灏忛珮搴�
+ _minH = -1,
+ // 褰撳墠缁樺埗鐨勫浘褰腑鐨勬渶澶ч珮搴�
+ _maxH = -1;
+
+//鐩戞祴鏁版嵁
+var _factorDatas = {
+ lnglats: [],
+ heights: [],
+ type: ''
+ },
+ //褰撳墠閫変腑鐨勭洃娴嬪洜瀛愭暟鎹�
+ _factor = {},
+ _zoomFirst = true;
+
+function onMapZoom() {
+ // 棣栨鍦板浘缂╂斁鐩戝惉涓嶆墽琛岋紙鍥犱负璁惧畾鐩戝惉鍑芥暟鍚庝細绔嬪嵆鎵ц涓�娆★紝鍙兘瀹樻柟鍑芥暟鏈夌浉鍏冲弬鏁帮紝鍚庣画寰呬慨鏀癸級
+ if (_zoomFirst) {
+ _zoomFirst = false;
+ return;
+ }
+ const fDatas = _factorDatas;
+ const factor = _factor;
+ drawMesh(fDatas, factor);
+ // console.log(map.getZoom());
+}
+
+var _maxHeight = 1000,
+ _minHeight = 100,
+ _lastZoom = -1;
+/**
+ * 鑾峰彇褰撳墠鍦板浘缂╂斁绛夌骇涓嬬殑缁樺埗楂樺害缂╂斁姣斾緥
+ * @param {*} minH 褰撳墠鐩戞祴鏁版嵁鐨勬渶灏忛珮搴�
+ * @param {*} maxH 褰撳墠鐩戞祴鏁版嵁鐨勬渶澶ч珮搴�
+ */
+function _getScale(minH, maxH) {
+ var zoom = map.getZoom();
+ if (_lastZoom == -1) {
+ _lastZoom = zoom;
+ } else if (_lastZoom <= 8) {
+ _lastZoom = zoom;
+ return;
+ } else if (_lastZoom >= 18) {
+ _lastZoom = zoom;
+ return;
+ }
+ if (zoom <= 8) {
+ _maxHeight = 10000;
+ _minHeight = 1000;
+ } else if (zoom <= 9) {
+ _maxHeight = 9000;
+ _minHeight = 900;
+ } else if (zoom <= 10) {
+ _maxHeight = 8000;
+ _minHeight = 800;
+ } else if (zoom <= 11) {
+ _maxHeight = 7000;
+ _minHeight = 700;
+ } else if (zoom <= 12) {
+ _maxHeight = 6000;
+ _minHeight = 600;
+ } else if (zoom <= 14) {
+ _maxHeight = 5000;
+ _minHeight = 500;
+ } else if (zoom <= 15) {
+ _maxHeight = 4500;
+ _minHeight = 450;
+ } else if (zoom <= 16) {
+ _maxHeight = 4000;
+ _minHeight = 400;
+ } else if (zoom <= 17) {
+ _maxHeight = 2500;
+ _minHeight = 250;
+ } else if (zoom > 17) {
+ _maxHeight = 1000;
+ _minHeight = 100;
+ }
+
+ var scale = (_maxHeight - _minHeight) / (maxH - minH);
+ return scale;
+}
+
+/**
+ * 缁樺浘
+ */
+function drawMesh(fDatas, factor, merge) {
+ const lnglats_GD = fDatas.lnglats_GD;
+ const coors = fDatas.coors_GD;
+ const heights = factor.heights;
+ const colors = factor.colors;
+ // const bColor = factor.bottomColor;
+ const bColors = factor.bottomColors;
+
+ // eslint-disable-next-line no-undef
+ var cylinder = new AMap.Object3D.Mesh();
+ cylinder.backOrFront = 'both';
+ cylinder.transparent = true;
+
+ var geometry = cylinder.geometry;
+
+ const scale = _getScale(_minH, _maxH);
+ for (let i = 0; i < coors.length; i++) {
+ var r = lnglats_GD[i];
+ var lastP = lnglats_GD[i - 1];
+ var p = coors[i];
+ var h = (heights[i] - _minH) * scale + _minHeight;
+ if (heights[i] == -1) {
+ h = -1;
+ }
+
+ geometry.vertices.push(p.x, p.y, 0); //搴曢儴椤剁偣
+ geometry.vertices.push(p.x, p.y, 0 - h); //椤堕儴椤剁偣
+
+ if (i > 0) {
+ // eslint-disable-next-line no-undef
+ var distance = AMap.GeometryUtil.distance(r, lastP);
+ //涓や釜鏁版嵁鐐规渶灏忛棿闅旀椂闂翠负4s锛屽亣璁捐溅閫熸寜鐓�120km/h璁＄畻锛�4s琛岄┒鏈�澶ц窛绂讳綔涓�132绫筹紝
+ //璁惧畾瓒呰繃1鍒嗛挓鐨勬暟鎹粯鍒剁壒娈婄殑杩炵嚎
+ if (distance <= 500 && h != -1) {
+ var bottomIndex = i * 2;
+ var topIndex = bottomIndex + 1;
+ var lastBottomIndex = bottomIndex - 2;
+ var lastTopIndex = bottomIndex - 1;
+ geometry.faces.push(bottomIndex, topIndex, lastTopIndex);
+ geometry.faces.push(bottomIndex, lastBottomIndex, lastTopIndex);
+ }
+ }
+
+ geometry.vertexColors.push.apply(geometry.vertexColors, bColors[i]); //搴曢儴椤剁偣棰滆壊
+ geometry.vertexColors.push.apply(geometry.vertexColors, colors[i]); //椤堕儴椤剁偣棰滆壊
+ }
+
+ // 7.鏍规嵁鍚堝苟閫夐」閲嶇疆鎴栨柊澧炲綋鍓嶇紦瀛樻暟鎹�
+ if (merge != true) {
+ _factorDatas = fDatas;
+ _factor = factor;
+ if (_cylinder != undefined) {
+ object3Dlayer.remove(_cylinder);
+ }
+ } else {
+ // _factorDatas.lnglats.push.apply(
+ // _factorDatas.lnglats,
+ // lnglats_GD
+ // );
+ // _factorDatas.coors.push.apply(_factorDatas.coors, coors);
+ // _factorDatas.heights.push.apply(_factorDatas.heights, heights);
+ // _factorDatas.colors.push.apply(_factorDatas.colors, colors);
+ // _factorDatas.bottomColor = bColor;
+ }
+ object3Dlayer.add(cylinder);
+ /**************test ****************/
+ // object3Dlayer.on('mouseover', function (e) {
+ // console.log(
+ // `榧犳爣绉诲叆瑕嗙洊鐗�! [${e.lnglat.getlng()}, ${e.lnglat.getLat()}]`
+ // );
+ // });
+ /**************test ****************/
+ _cylinder = cylinder;
+}
+
+export default {
+ clear() {
+ map.off('zoomend', onMapZoom);
+ if (_cylinder != undefined) {
+ object3Dlayer.remove(_cylinder);
+ }
+ },
+
+ drawMesh: drawMesh,
+ /**
+ * 缁樺埗3D璧拌璺嚎鍥�
+ * @param fDatas 瀹屾暣鐩戞祴鏁版嵁
+ * @param factor 褰撳墠灞曠ず鐨勭洃娴嬪洜瀛愬璞�
+ * @param merge 鏄惁鍜屼箣鍓嶇粯鍒剁殑鍥惧舰鍚堝苟
+ */
+ drawRoadMap(fDatas, factor, merge) {
+ const lnglats_GD = fDatas.lnglats_GD;
+ const heights = factor.heights;
+
+ // 1.鍏抽棴鍦板浘缂╂斁鐩戝惉
+ map.off('zoomend', onMapZoom);
+
+ // 2.璁＄畻缁樺浘楂樺害鐨勮竟鐣屽��
+ if (merge != true) {
+ var minH = _minH < 0 ? heights[0] : _minH;
+ var maxH = _maxH < 0 ? heights[0] : _maxH;
+ for (let i = 0; i < heights.length; i++) {
+ const h = heights[i];
+ minH = Math.min(minH, h);
+ maxH = Math.max(maxH, h);
+ }
+ _minH = minH;
+ _maxH = maxH;
+ }
+
+ // 5.缁樺埗3D鍥惧舰
+ this.drawMesh(fDatas, factor, merge);
+
+ // 缂╂斁鍦板浘鍒板悎閫傜殑瑙嗛噹绾у埆
+ // map.setFitView()
+
+ // 6.寮�鍚湴鍥剧缉鏀剧洃鍚�
+ if (lnglats_GD.length > 0) {
+ map.on('zoomend', onMapZoom);
+ }
+ }
+};
--
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