From 068edfc1cd2b1411353e089b9e7d4a6e6211512a Mon Sep 17 00:00:00 2001
From: Ryan Di <ryan.weihao.di@gmail.com>
Date: Mon, 13 Jan 2025 16:32:41 +1100
Subject: [PATCH] account for rotations for polygons

---
 packages/excalidraw/shapes.tsx | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/packages/excalidraw/shapes.tsx b/packages/excalidraw/shapes.tsx
index 601d6f59c..ef7aeb6cf 100644
--- a/packages/excalidraw/shapes.tsx
+++ b/packages/excalidraw/shapes.tsx
@@ -181,6 +181,12 @@ export const getElementShapes = <Point extends GlobalPoint | LocalPoint>(
 
       // otherwise return the curve shape (and also the shape of its arrowheads)
       const arrowheadShapes: GeometricShape<Point>[] = [];
+      const transform = (p: Point): Point =>
+        pointRotateRads(
+          pointFrom(p[0] + startingPoint[0], p[1] + startingPoint[1]),
+          center,
+          element.angle,
+        );
 
       for (const arrowhead of arrowheads) {
         if (arrowhead.shape === "polygon") {
@@ -191,9 +197,8 @@ export const getElementShapes = <Point extends GlobalPoint | LocalPoint>(
             type: "polygon",
             data: polygonFromPoints(
               otherPoints.map((otherPoint) =>
-                pointAdd(
+                transform(
                   pointFrom<Point>(otherPoint.data[0], otherPoint.data[1]),
-                  pointFrom<Point>(element.x, element.y),
                 ),
               ),
             ),