From 5abe028aed72c1a48ee2dd42b739717cf9afd4b1 Mon Sep 17 00:00:00 2001
From: Elham Aryanpur <elhamaryanpur5@gmail.com>
Date: Sun, 18 Feb 2024 16:16:02 +0300
Subject: [PATCH] chore: the signal methods are now optional

---
 src/header.rs | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/header.rs b/src/header.rs
index a86a033..a3ee0d3 100644
--- a/src/header.rs
+++ b/src/header.rs
@@ -480,7 +480,8 @@ pub trait Signal: Any {
         _events: &crate::Event<()>,
         _input: &crate::InputHelper,
         _camera: &mut crate::Camera,
-    );
+    ) {
+    }
 
     /// ran before the frame is rendered
     fn frame(
@@ -492,8 +493,10 @@ pub trait Signal: Any {
         _input: &crate::InputHelper,
         _encoder: &mut crate::CommandEncoder,
         _view: &crate::TextureView,
-    );
+    ) {
+    }
 }
+// The engine needs to know the functions of Signal to do things internally, so we use downcast and not the std::any::Any
 downcast!(dyn Signal);
 
 /// Defines how the rotation axis is