From 85a167a0d50aeaf05a56194355b0adb53e7b538e Mon Sep 17 00:00:00 2001
From: Jonas Herzig <me@johni0702.de>
Date: Sat, 25 Aug 2018 11:02:42 +0200
Subject: [PATCH] Fix camera position being able to become NaN with classic
 controls

To reproduce, hold A for about a second, then release A and press D in the same frame.
---
 .../com/replaymod/replay/camera/ClassicCameraController.java    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/com/replaymod/replay/camera/ClassicCameraController.java b/src/main/java/com/replaymod/replay/camera/ClassicCameraController.java
index 621d1cbe..60d168c2 100644
--- a/src/main/java/com/replaymod/replay/camera/ClassicCameraController.java
+++ b/src/main/java/com/replaymod/replay/camera/ClassicCameraController.java
@@ -126,7 +126,7 @@ public class ClassicCameraController implements CameraController {
 
         lastCall = Sys.getTime();
 
-        if(direction == null || motion < THRESHOLD) {
+        if(direction == null || direction.lengthSquared() == 0 || motion < THRESHOLD) {
             return;
         }