From 6f7bbdd390abdcdb2cdaef980bc69816a3ff2202 Mon Sep 17 00:00:00 2001
From: riku <risaku@163.com>
Date: 星期四, 08 五月 2025 17:38:43 +0800
Subject: [PATCH] 添加动态污染溯源相关逻辑（待完成）

---
 src/utils/map/3dLayer.js |   88 ++++++++++++++++++++++++++++++++++++++++++--
 1 files changed, 84 insertions(+), 4 deletions(-)

diff --git a/src/utils/map/3dLayer.js b/src/utils/map/3dLayer.js
index 5bf559a..5f8c16f 100644
--- a/src/utils/map/3dLayer.js
+++ b/src/utils/map/3dLayer.js
@@ -96,7 +96,7 @@
   const coors = fDatas.coors_GD;
   const heights = factor.heights;
   const colors = factor.colors;
-  const bColor = factor.bottomColor;
+  // const bColor = factor.bottomColor;
   const bColors = factor.bottomColors;
 
   // eslint-disable-next-line no-undef
@@ -166,16 +166,94 @@
   _cylinder = cylinder;
 }
 
+/**
+ * 缁樺埗楂樹寒鐨勬薄鏌撳尯鍩�3D绔嬮潰
+ */
+var _polCylinder = undefined;
+var _polFactorDatas = {
+    lnglats: [],
+    heights: [],
+    type: ''
+  },
+  //褰撳墠閫変腑鐨勭洃娴嬪洜瀛愭暟鎹�
+  _polFactor = {};
+function drawHighLight3DLayer(fDatas, factor) {
+  const offsetH = 40;
+
+  const lnglats_GD = fDatas.lnglats_GD;
+  const coors = fDatas.coors_GD;
+  const heights = factor.heights;
+  const colors = factor.colors;
+  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 - h); //搴曢儴椤剁偣
+    geometry.vertices.push(p.x, p.y, 0 - h - offsetH); //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);
+      }
+    }
+
+    // const color = [1, 1, 1, 0.75]
+    const color = [1, 0, 0, 0.75];
+    geometry.vertexColors.push.apply(geometry.vertexColors, color); //搴曢儴椤剁偣棰滆壊
+    geometry.vertexColors.push.apply(geometry.vertexColors, color); //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�
+  _polFactorDatas = fDatas;
+  _polFactor = factor;
+  if (_polCylinder != undefined) {
+    object3Dlayer.remove(_polCylinder);
+  }
+  object3Dlayer.add(cylinder);
+
+  _polCylinder = 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
-   * @param setCenter 闀滃ご鏄惁鑷姩绉诲姩鑷冲浘褰腑蹇�
    */
-  drawRoadMap(fDatas, factor, merge, setCenter) {
+  drawRoadMap(fDatas, factor, merge) {
     const lnglats_GD = fDatas.lnglats_GD;
     const heights = factor.heights;
 
@@ -205,5 +283,7 @@
     if (lnglats_GD.length > 0) {
       map.on('zoomend', onMapZoom);
     }
-  }
+  },
+
+  drawHighLight3DLayer
 };

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