From b9e63dea26468403cb0ffe5293cf4f6447d8919f Mon Sep 17 00:00:00 2001
From: Matt Low <mattjlow94@gmail.com>
Date: Tue, 28 Jan 2020 15:17:38 +0400
Subject: [PATCH] Fixed angle wrapping math.

When rotation was < 0, we were subtracting it from 360, which was
producing a number larger than 360. We should have been adding it to 360,
not subtracting.

Moved angle wrapping math to a separate function.
---
 core/src/com/me/asteroids/Utils.java | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/core/src/com/me/asteroids/Utils.java b/core/src/com/me/asteroids/Utils.java
index a74f9a1..bbc6576 100644
--- a/core/src/com/me/asteroids/Utils.java
+++ b/core/src/com/me/asteroids/Utils.java
@@ -10,13 +10,15 @@ public final class Utils {
     private static final Vector2 tmp = new Vector2();
 
     public static float rotate(float rotation, float degrees) {
-        rotation += degrees;
-        if (rotation < 0) {
-            rotation = 360 - rotation;
-        } else if (rotation > 360) {
-            rotation -= 360;
-        }
-        return rotation;
+        return wrapAngle(rotation + degrees);
+    }
+
+    public static float wrapAngle(float degrees) {
+        if (degrees < 0)
+            return degrees + 360;
+        else if (degrees > 360)
+            return degrees - 360;
+        return degrees;
     }
 
     public static Vector2 setUnitVectorAngle(Vector2 vector, float degrees) {