From 5a350a17c0bc86a0d609f6e1acb7c80e1897ac72 Mon Sep 17 00:00:00 2001
From: Mark Tolmacs <mark@lazycat.hu>
Date: Mon, 15 Sep 2025 10:55:00 +0200
Subject: [PATCH] fix:Add intersection padding

---
 packages/element/src/binding.ts | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/packages/element/src/binding.ts b/packages/element/src/binding.ts
index 8ad101d8a..13a77a1af 100644
--- a/packages/element/src/binding.ts
+++ b/packages/element/src/binding.ts
@@ -1273,10 +1273,18 @@ export const updateBoundPoint = (
     compareElementArea(bindableElement, otherBindableElement) <
       // if both shapes the same size, pretend the other is larger
       (startOrEnd === "endBinding" ? 1 : 0);
-
-  const isIntersecting = otherBounds && doBoundsIntersect(bounds, otherBounds);
-  // const isNested =
-  //   otherBindableElement && isBindableElementInsideOtherBindable(otherBindableElement, bindableElement);
+  const boundsPadding = 30; // Effectively the "minimum arrow size" in this case
+  const isIntersecting =
+    otherBounds &&
+    doBoundsIntersect(
+      [
+        bounds[0] - boundsPadding,
+        bounds[1] - boundsPadding,
+        bounds[2] + boundsPadding,
+        bounds[3] + boundsPadding,
+      ],
+      otherBounds,
+    );
   const isNested = isIntersecting && isLargerThanOther;
 
   const maybeOutlineGlobal =