From cf81829f94becb236a99e0644421de1171314e90 Mon Sep 17 00:00:00 2001
From: GinjaNinja32 <ginjaninja32@gmail.com>
Date: Thu, 29 Aug 2024 20:04:09 +0100
Subject: [PATCH] Fix removing transform from an entity permanently breaking
 its physics

---
 src/systems/collision.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/systems/collision.cpp b/src/systems/collision.cpp
index ee69d13..952563e 100644
--- a/src/systems/collision.cpp
+++ b/src/systems/collision.cpp
@@ -120,6 +120,12 @@ void CollisionSystem::update(float delta)
         if (!*entity_ptr || !(physics = entity_ptr->getComponent<Physics>()) || !(transform = entity_ptr->getComponent<Transform>())) {
             delete entity_ptr;
             remove_list.push_back(body);
+            if (physics) {
+                // if we have a physics component (thus only missing transform), set it so
+                // that we'll recreate the body if the entity gets a transform again later
+                physics->physics_dirty = true;
+                physics->body = nullptr;
+            }
         } else {
             transform->position = b2v(body->GetPosition());
             transform->rotation = glm::degrees(body->GetAngle());