From 7de45b1ee095b0d82a057fb7d070a4b1a4f2ad72 Mon Sep 17 00:00:00 2001
From: ysCha <yscha@interplug.co.kr>
Date: Tue, 3 Feb 2026 14:34:54 +0900
Subject: [PATCH] =?UTF-8?q?[1447]=EC=8B=A4=EC=B8=A1=EA=B0=92=20=EC=9E=85?=
 =?UTF-8?q?=EB=A0=A5=EC=9D=98=20=EB=8C=80=EA=B0=81=EC=84=A0=20=EC=9E=85?=
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---
 src/hooks/roofcover/useAuxiliaryDrawing.js    |  4 +++
 src/hooks/roofcover/useOuterLineWall.js       | 26 +++++++++++++++++++
 src/hooks/surface/usePlacementShapeDrawing.js | 26 +++++++++++++++++++
 3 files changed, 56 insertions(+)

diff --git a/src/hooks/roofcover/useAuxiliaryDrawing.js b/src/hooks/roofcover/useAuxiliaryDrawing.js
index ab0af73e..c84e00a7 100644
--- a/src/hooks/roofcover/useAuxiliaryDrawing.js
+++ b/src/hooks/roofcover/useAuxiliaryDrawing.js
@@ -496,6 +496,10 @@ export function useAuxiliaryDrawing(id, isUseEffect = true) {
         mousePointerArr.current.push({ x: lastPoint.x + length1Value / 10, y: lastPoint.y + length2Value / 10 })
       } else if (arrow1Value === '→' && arrow2Value === '↑') {
         mousePointerArr.current.push({ x: lastPoint.x + length1Value / 10, y: lastPoint.y - length2Value / 10 })
+      } else if (arrow1Value === '←' && arrow2Value === '↓') {
+        mousePointerArr.current.push({ x: lastPoint.x - length1Value / 10, y: lastPoint.y + length2Value / 10 })
+      } else if (arrow1Value === '←' && arrow2Value === '↑') {
+        mousePointerArr.current.push({ x: lastPoint.x - length1Value / 10, y: lastPoint.y - length2Value / 10 })
       }
       drawLine()
     }
diff --git a/src/hooks/roofcover/useOuterLineWall.js b/src/hooks/roofcover/useOuterLineWall.js
index 850a761a..dbd9f104 100644
--- a/src/hooks/roofcover/useOuterLineWall.js
+++ b/src/hooks/roofcover/useOuterLineWall.js
@@ -678,6 +678,32 @@ export function useOuterLineWall(id, propertiesId) {
             },
           ]
         })
+      } else if (arrow1Value === '←' && arrow2Value === '↓') {
+        setPoints((prev) => {
+          if (prev.length === 0) {
+            return []
+          }
+          return [
+            ...prev,
+            {
+              x: prev[prev.length - 1].x - length1Value / 10,
+              y: prev[prev.length - 1].y + length2Value / 10,
+            },
+          ]
+        })
+      } else if (arrow1Value === '←' && arrow2Value === '↑') {
+        setPoints((prev) => {
+          if (prev.length === 0) {
+            return []
+          }
+          return [
+            ...prev,
+            {
+              x: prev[prev.length - 1].x - length1Value / 10,
+              y: prev[prev.length - 1].y - length2Value / 10,
+            },
+          ]
+        })
       }
     }
   }
diff --git a/src/hooks/surface/usePlacementShapeDrawing.js b/src/hooks/surface/usePlacementShapeDrawing.js
index 3dfea465..ee151307 100644
--- a/src/hooks/surface/usePlacementShapeDrawing.js
+++ b/src/hooks/surface/usePlacementShapeDrawing.js
@@ -680,6 +680,32 @@ export function usePlacementShapeDrawing(id) {
             },
           ]
         })
+      } else if (arrow1Value === '←' && arrow2Value === '↓') {
+        setPoints((prev) => {
+          if (prev.length === 0) {
+            return []
+          }
+          return [
+            ...prev,
+            {
+              x: prev[prev.length - 1].x - length1Value / 10,
+              y: prev[prev.length - 1].y + length2Value / 10,
+            },
+          ]
+        })
+      } else if (arrow1Value === '←' && arrow2Value === '↑') {
+        setPoints((prev) => {
+          if (prev.length === 0) {
+            return []
+          }
+          return [
+            ...prev,
+            {
+              x: prev[prev.length - 1].x - length1Value / 10,
+              y: prev[prev.length - 1].y - length2Value / 10,
+            },
+          ]
+        })
       }
     }
   }