From 8a1d22bfc1487f8a75fbd23544aa51383a067713 Mon Sep 17 00:00:00 2001
From: Steffen Wilke <mail@steffen-wilke.com>
Date: Sat, 7 Dec 2024 23:11:41 +0100
Subject: [PATCH] Make PhysicsEngine more resilient for invalid collision types

---
 .../java/de/gurkenlabs/litiengine/physics/PhysicsEngine.java    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/litiengine/src/main/java/de/gurkenlabs/litiengine/physics/PhysicsEngine.java b/litiengine/src/main/java/de/gurkenlabs/litiengine/physics/PhysicsEngine.java
index 2cc4f4c7a..104a96242 100644
--- a/litiengine/src/main/java/de/gurkenlabs/litiengine/physics/PhysicsEngine.java
+++ b/litiengine/src/main/java/de/gurkenlabs/litiengine/physics/PhysicsEngine.java
@@ -82,7 +82,7 @@ public void add(final ICollisionEntity entity) {
    * @param entity The entity that is about to be removed.
    */
   public void remove(final ICollisionEntity entity) {
-    if (entity.getCollisionType() == null) {
+    if (entity.getCollisionType() == null || !collisionEntities.containsKey(entity.getCollisionType())) {
       return;
     }