From 0603d0857237deb2193a9424f3421669cfebd347 Mon Sep 17 00:00:00 2001
From: Tobias Tefke <tobias@tefke.name>
Date: Mon, 3 Jan 2022 09:07:09 +0100
Subject: [PATCH] ScaleManager: do not apply new size if width is zero

If the game width reaches zero (e.g by resizing a cowebsite manually),
a division by zero happens when calculating the new zoom.
This results in NaN, which causes phaser to reach an invalid state when rezooming.
---
 front/src/Phaser/Services/WaScaleManager.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/front/src/Phaser/Services/WaScaleManager.ts b/front/src/Phaser/Services/WaScaleManager.ts
index 447b6a1f..c0c01402 100644
--- a/front/src/Phaser/Services/WaScaleManager.ts
+++ b/front/src/Phaser/Services/WaScaleManager.ts
@@ -31,6 +31,10 @@ export class WaScaleManager {
             height: height * devicePixelRatio,
         });
 
+        if (gameSize.width == 0) {
+            return;
+        }
+
         this.actualZoom = realSize.width / gameSize.width / devicePixelRatio;
 
         this.scaleManager.setZoom(realSize.width / gameSize.width / devicePixelRatio);