increase EARTH_RADIUS and MAX_PROJECTED_COORD to let level14 visible,#10

iSpring · Nov 21, 2016 · baa0802 · baa0802
1 parent ee9cd69
commit baa0802
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Showing 2 changed files with 4 additions and 3 deletions.
diff --git a/src/world/Kernel.ts b/src/world/Kernel.ts
@@ -10,8 +10,8 @@ const Kernel = {
     globe: <Globe>null,
     idCounter: 0, //Object3D对象的唯一标识
     BASE_LEVEL: 6, //渲染的基准层级
-    EARTH_RADIUS: 637.8137,//6378137
-    MAX_PROJECTED_COORD: 2003.75083427892,//20037508.3427892
+    EARTH_RADIUS: 637.8137*26,//6378137
+    MAX_PROJECTED_COORD: 2003.75083427892*26,//20037508.3427892
     proxy: ""
 };
 

diff --git a/src/world/math/Math.ts b/src/world/math/Math.ts
@@ -332,7 +332,8 @@ const MathUtils = {
      */
     getLengthFromCamera2EarthSurface(level: number): number{
         //7820683
-        return 1.2261704318988444 * Kernel.EARTH_RADIUS / Math.pow(2, level);
+        //1.2261704318988444 * Kernel.EARTH_RADIUS / Math.pow(2, level);
+        return Kernel.EARTH_RADIUS / Math.pow(2, level);
     },
 
     /**将经纬度转换为笛卡尔空间直角坐标系中的x、y、z