From 53a1f4ed0053b7833e49f71f25cbf506309da6f3 Mon Sep 17 00:00:00 2001
From: "hyojun.choi" <chlgkwk123@nate.com>
Date: Fri, 12 Dec 2025 15:27:26 +0900
Subject: [PATCH] =?UTF-8?q?group=20object=20=EC=A2=8C=ED=91=9C=20=EC=9E=AC?=
 =?UTF-8?q?=EA=B3=84=EC=82=B0=20=EB=A1=9C=EC=A7=81=20=EC=88=98=EC=A0=95?=
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---
 src/util/fabric-extensions.js | 37 +++++++++++++++++++++++++----------
 1 file changed, 27 insertions(+), 10 deletions(-)

diff --git a/src/util/fabric-extensions.js b/src/util/fabric-extensions.js
index 9410f764..acccc601 100644
--- a/src/util/fabric-extensions.js
+++ b/src/util/fabric-extensions.js
@@ -29,22 +29,39 @@ fabric.Rect.prototype.getCurrentPoints = function () {
 
 /**
  * fabric.Group에 getCurrentPoints 메서드를 추가 (도머 그룹용)
- * 그룹의 groupPoints를 다시 계산하여 반환
+ * 그룹 내 객체들의 점들을 수집하여 현재 월드 좌표를 반환
  */
 fabric.Group.prototype.getCurrentPoints = function () {
-  // groupPoints를 다시 계산
+  // 그룹 내 객체들로부터 실시간으로 점들을 계산
+  if (this._objects && this._objects.length > 0) {
+    let allPoints = []
 
-  // 그룹에 groupPoints가 있으면 해당 점들을 사용 (도머의 경우)
-  if (this.groupPoints && Array.isArray(this.groupPoints)) {
-    const matrix = this.calcTransformMatrix()
-    console.log('this.groupPoints', this.groupPoints)
-    return this.groupPoints.map(function (p) {
-      const point = new fabric.Point(p.x, p.y)
-      return fabric.util.transformPoint(point, matrix)
+    // 그룹 내 모든 객체의 점들을 수집
+    this._objects.forEach(function (obj) {
+      if (obj.getCurrentPoints && typeof obj.getCurrentPoints === 'function') {
+        const objPoints = obj.getCurrentPoints()
+        allPoints = allPoints.concat(objPoints)
+      } else if (obj.points && Array.isArray(obj.points)) {
+        const pathOffset = obj.pathOffset || { x: 0, y: 0 }
+        const matrix = obj.calcTransformMatrix()
+        const transformedPoints = obj.points
+          .map(function (p) {
+            return new fabric.Point(p.x - pathOffset.x, p.y - pathOffset.y)
+          })
+          .map(function (p) {
+            return fabric.util.transformPoint(p, matrix)
+          })
+        allPoints = allPoints.concat(transformedPoints)
+      }
     })
+
+    if (allPoints.length > 0) {
+      // Convex Hull 알고리즘을 사용하여 외곽 점들만 반환
+      return this.getConvexHull(allPoints)
+    }
   }
 
-  // groupPoints가 없으면 바운딩 박스를 사용
+  // 객체가 없으면 바운딩 박스를 사용
   const bounds = this.getBoundingRect()
   const points = [
     { x: bounds.left, y: bounds.top },