From e2ff460dbd15cb8915e9638ec8d6ed7d1e903ebd Mon Sep 17 00:00:00 2001
From: Leterax <ledo0071@gmail.com>
Date: Mon, 2 Dec 2024 13:57:17 +0100
Subject: [PATCH] Fix Timer FPS calculation to avoid division by zero on the
 first frame

---
 moderngl_window/timers/clock.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/moderngl_window/timers/clock.py b/moderngl_window/timers/clock.py
index 35b061f..68db0ae 100644
--- a/moderngl_window/timers/clock.py
+++ b/moderngl_window/timers/clock.py
@@ -72,7 +72,13 @@ def next_frame(self) -> tuple[float, float]:
         self._frames += 1
         current = self.time
         delta, self._last_frame = current - self._last_frame, current
-        self._fps = 1.0 / delta
+        
+        # Avoid division by zero on first frame
+        if delta > 0:
+            self._fps = 1.0 / delta
+        else:
+            self._fps = 0.0
+        
         return current, delta
 
     def start(self) -> None: