From aa1e71b91f4a2d2df368fb1d4f454d9d7b21e437 Mon Sep 17 00:00:00 2001
From: ysCha <yscha@interplug.co.kr>
Date: Wed, 17 Dec 2025 15:35:00 +0900
Subject: [PATCH] =?UTF-8?q?=EC=A4=91=EB=B3=B5=EC=A0=9C=EA=B1=B0?=
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---
 src/hooks/roofcover/useMovementSetting.js | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/hooks/roofcover/useMovementSetting.js b/src/hooks/roofcover/useMovementSetting.js
index 2525cdf6..39188a89 100644
--- a/src/hooks/roofcover/useMovementSetting.js
+++ b/src/hooks/roofcover/useMovementSetting.js
@@ -575,7 +575,19 @@ export function useMovementSetting(id) {
       targetBaseLines.push({ line: target, distance: 0 })
     }
 
-    targetBaseLines.sort((a, b) => a.distance - b.distance)
+    // Remove duplicate lines
+    const uniqueLines = new Map();
+    targetBaseLines = targetBaseLines.filter(item => {
+      const key = `${item.line.x1},${item.line.y1},${item.line.x2},${item.line.y2}`;
+      if (!uniqueLines.has(key)) {
+        uniqueLines.set(key, true);
+        return true;
+      }
+      return false;
+    });
+    
+    // Sort by distance
+    targetBaseLines.sort((a, b) => a.distance - b.distance);
     targetBaseLines = targetBaseLines.filter((line) => line.distance === targetBaseLines[0].distance)
 
     if (isGableRoof) {