From 010ae601ed22d5d0443346ec2588861b319ae18e Mon Sep 17 00:00:00 2001
From: oliver bucklin <bucklin@arch.ethz.ch>
Date: Mon, 29 Apr 2024 12:56:41 +0200
Subject: [PATCH] reverted beam.py

---
 src/compas_timber/parts/beam.py | 36 ++++++++++++---------------------
 1 file changed, 13 insertions(+), 23 deletions(-)

diff --git a/src/compas_timber/parts/beam.py b/src/compas_timber/parts/beam.py
index 3c9045125..1a3a8f410 100644
--- a/src/compas_timber/parts/beam.py
+++ b/src/compas_timber/parts/beam.py
@@ -127,44 +127,34 @@ def blank_frame(self):
         frame.point += -frame.xaxis * start  # "extension" to the start edge
         return frame
 
-    @property
-    def part_ref(self):
-        frame = self.blank_frame
-        return Frame(
-            Point(*(frame.point + (frame.yaxis * self.width * 0.5) - (frame.zaxis * self.height * 0.5))),
-            frame.xaxis,
-            frame.zaxis,
-        )
-
     @property
     def faces(self):
-        frame = self.part_ref
         return [
             Frame(
-                frame.point,
+                Point(*add_vectors(self.midpoint, self.frame.yaxis * self.width * 0.5)),
                 self.frame.xaxis,
-                -self.frame.yaxis,
+                -self.frame.zaxis,
             ),
             Frame(
-                Point(*add_vectors(frame.point, self.frame.zaxis * self.height)),
+                Point(*add_vectors(self.midpoint, -self.frame.zaxis * self.height * 0.5)),
                 self.frame.xaxis,
-                -self.frame.zaxis,
+                -self.frame.yaxis,
             ),
             Frame(
-                Point(*(frame.point - self.frame.yaxis * self.width + self.frame.zaxis * self.height)),
+                Point(*add_vectors(self.midpoint, -self.frame.yaxis * self.width * 0.5)),
                 self.frame.xaxis,
-                self.frame.yaxis,
+                self.frame.zaxis,
             ),
             Frame(
-                Point(*add_vectors(frame.point, -self.frame.yaxis * self.width)),
+                Point(*add_vectors(self.midpoint, self.frame.zaxis * self.height * 0.5)),
                 self.frame.xaxis,
-                self.frame.zaxis,
+                self.frame.yaxis,
             ),
-            Frame(frame.point, -self.frame.yaxis, self.frame.zaxis),  # small face at start point
+            Frame(self.frame.point, -self.frame.yaxis, self.frame.zaxis),  # small face at start point
             Frame(
-                Point(*(frame.point + self.frame.xaxis * self.blank_length + self.frame.zaxis * self.height)),
-                -self.frame.yaxis,
-                -self.frame.zaxis,
+                Point(*add_vectors(self.frame.point, self.frame.xaxis * self.length)),
+                self.frame.yaxis,
+                self.frame.zaxis,
             ),  # small face at end point
         ]
 
@@ -420,4 +410,4 @@ def endpoint_closest_to_point(self, point):
         if ds <= de:
             return ["start", ps]
         else:
-            return ["end", pe]
+            return ["end", pe]
\ No newline at end of file