From fa0e93e8ac21790ad7b4d550c14d43ec659d069c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=A9a=20Saviot?= <lea.saviot@numworks.com>
Date: Mon, 10 Dec 2018 16:51:16 +0100
Subject: [PATCH] [python/turtle] Fix Turtle::circle for negative angles

---
 python/port/mod/turtle/turtle.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/python/port/mod/turtle/turtle.cpp b/python/port/mod/turtle/turtle.cpp
index 3d80bbb73..1f2ecbc8c 100644
--- a/python/port/mod/turtle/turtle.cpp
+++ b/python/port/mod/turtle/turtle.cpp
@@ -55,7 +55,7 @@ void Turtle::left(mp_float_t angle) {
 
 void Turtle::circle(mp_int_t radius, mp_float_t angle) {
   mp_float_t oldHeading = heading();
-  mp_float_t length = (angle*k_headingScale)*radius;
+  mp_float_t length = ((angle > 0 ? 1 : -1) * angle * k_headingScale) * radius;
   if (length > 1) {
     int i = 1;
     while(i <= length) {