From a3c8a3f0553767fb7f5734734b5cd8b54adfa482 Mon Sep 17 00:00:00 2001
From: tgaeta <nobody@makingwithcode.org>
Date: Thu, 18 Sep 2025 12:18:14 -0400
Subject: [PATCH] New feature: writing at an angle!

After Dr. Proctor's comment in the chat I realized my code wouldn't work
if you were trying to write at an angle so I added a rotation to the
transform. Surprisingly easy fix.
---
 .DS_Store   | Bin 6148 -> 6148 bytes
 typeface.py |  11 +++++++++--
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/.DS_Store b/.DS_Store
index 025b1a5c30621007ac90e8bd92de25d43e7d749c..b0a0654a9760613746c377cffb2fbe58c27743e7 100644
GIT binary patch
delta 135
zcmZoMXffEJ#uT?RgMop8g+Y%YogtH<Bsbs1B`GIA2`I)fA=CAhvE6Y;RQVLV@&y@&
u!O8i#1wcIv49o%ylh-jxO`gZZ$0WZN$W-Hyx~OmhWG0X!v-t-Tk0<~--XsnH

delta 135
zcmZoMXffEJ#uT@D0|NsC3xgg*IzuKyNp8N2OHxjL5>SjoO5eMBmhEvzRQVLV@&y@&
u!O8i#1wcIv3``psCa+_Xnmmt*k4ZKR$W-H)AkKXlWG0X!v-t-Tk0=1`)*~<g

diff --git a/typeface.py b/typeface.py
index c86083d..9e24bd0 100644
--- a/typeface.py
+++ b/typeface.py
@@ -9,7 +9,8 @@
 # move the turtle along the diagonal of a square with side length x, 
 # the turtle should move a distance of sqrt(x)
 
-from turtle import (pos, teleport, goto)
+from turtle import (pos, teleport, goto, heading, setheading)
+from math import sin, cos, radians
 
 class Point(tuple):
     "Class for doing element-wise arithmetic on tuples"
@@ -25,6 +26,11 @@ class Point(tuple):
     def __truediv__(self, other):
         return Point((x / other for x in self))
     
+def rotate_2d_degrees(point, angle):
+    x, y = point
+    angle = radians(angle)
+    return Point((x * cos(angle) - y * sin(angle), x * sin(angle) + y * cos(angle)))
+    
 def bezier(t, *points: tuple[float, ...]) -> Point:
     "Recursive definition of a Bezier curve"
     assert(len(points) > 0)
@@ -36,7 +42,8 @@ def draw_bezier(unit, segments, *points: tuple[float, ...]):
     "Draws bezier and returns turtle to initial position"
     segments = int(unit * (segments / 40)) 
     origin = pos()
-    points = tuple(origin + unit * Point(x) for x in points)
+    angle = heading()
+    points = tuple(origin + rotate_2d_degrees(unit * Point(x), angle) for x in points)
     
     teleport(*points[0])
     for i in range(0, segments + 1):