From 05a795b4936d50605169475b97cbd41e2cf57827 Mon Sep 17 00:00:00 2001
From: Leen Dereu <leen.dereu@student.kuleuven.be>
Date: Tue, 27 Feb 2018 12:39:04 +0100
Subject: [PATCH] turn function

---
 src/Worm.java | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/Worm.java b/src/Worm.java
index d3a0836..b531e6b 100644
--- a/src/Worm.java
+++ b/src/Worm.java
@@ -191,6 +191,9 @@ public class Worm {
      * 		|0 <= new.orientation < 2pi
      */
     public void turn(double angleToAdd) {
-    	assert 0 <= angleToAdd && angleToAdd < 2 * Math.PI;
+    	assert 0 <= angleToAdd && angleToAdd < (2 * Math.PI);
+    	if (0 <= (this.orientation + angleToAdd) && (this.orientation + angleToAdd) < (2 * Math.PI))
+    		setOrientation(this.orientation + angleToAdd);
+    	setOrientation((this.orientation + angleToAdd)%(2 * Math.PI));
     }
 }