From b79e6c9c0389646c3b44f94b6ce30c530ba8f2bd Mon Sep 17 00:00:00 2001
From: fukunee <fukun.ee@foxmail.com>
Date: Fri, 18 Sep 2026 19:26:07 +0800
Subject: [PATCH] =?UTF-8?q?=E5=9C=B0=E7=90=83=E7=82=B9=E9=98=B5=EF=BC=9A?=
 =?UTF-8?q?=E8=B4=B4=E5=90=88=E7=9C=9F=E5=AE=9E=E5=9C=B0=E5=BD=A2=E9=87=87?=
 =?UTF-8?q?=E6=A0=B7=E3=80=81=E5=8A=A0=E5=AF=86=E7=BC=A9=E5=B0=8F=E3=80=81?=
 =?UTF-8?q?=E6=B5=B7=E9=99=86=E7=B2=BE=E5=87=86=E5=88=86=E7=B1=BB=EF=BC=88?=
 =?UTF-8?q?=E5=90=AB=E6=9E=81=E5=9C=B0=E4=B8=8E=E8=A5=BF=E4=BC=AF=E5=88=A9?=
 =?UTF-8?q?=E4=BA=9A=EF=BC=89?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/scene/globe.js | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/scene/globe.js b/src/scene/globe.js
index e3df606..9f9886b 100644
--- a/src/scene/globe.js
+++ b/src/scene/globe.js
@@ -99,8 +99,9 @@ export class Globe {
       const y = Math.min(H - 1, Math.max(0, Math.round((theta / Math.PI) * (H - 1))));
       const i = (y * W + x) * 4;
       const r = px[i], g = px[i + 1], b = px[i + 2];
-      // 海洋：蓝色明显占优（蓝>红且蓝>绿，且差距足够大以排除冰雪的微蓝白色）
-      return !(b > r && b > g && (b - r) > 6 && (b - g) > 4);
+      // 海洋：蓝色占优且饱和度高（蓝明显大于红）。
+      // 用相对比例而非绝对值，避免把高纬度偏蓝的雪原/苔原（如西伯利亚）误判为海。
+      return !(b > r && b > g && (b - r) / Math.max(1, b) > 0.25);
     };
 
     // 斐波那契球：单位球面上均匀分布的点
@@ -129,10 +130,10 @@ export class Globe {
     }
 
     this._buildDotBeads(landPts, {
-      radius: 0.0045, color: 0xe8d9b4, opacity: 0.95, emissiveIntensity: 0.5,
+      radius: 0.0032, color: 0xe8d9b4, opacity: 0.95, emissiveIntensity: 0.6,
     });
     this._buildDotBeads(oceanPts, {
-      radius: 0.003, color: 0x33415f, opacity: 0.5, emissiveIntensity: 0.15,
+      radius: 0.0022, color: 0x53658a, opacity: 0.65, emissiveIntensity: 0.45,
     });
   }