From 7e3637c36fab1f95ad31731dd75d5242a02db471 Mon Sep 17 00:00:00 2001
From: Jakob Hellermann <jakob.hellermann@protonmail.com>
Date: Tue, 5 Apr 2022 20:45:06 +0000
Subject: [PATCH] fix scene_viewer example on wasm (#4426)

The scene viewer example doesn't run on wasm because it sets the asset folder to `std::env::var("CARGO_MANIFEST_DIR").unwrap()`, which isn't supported on the web.

Solution: set the asset folder to `"."` instead.
---
 examples/tools/scene_viewer.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/examples/tools/scene_viewer.rs b/examples/tools/scene_viewer.rs
index 2ae16a2502..a66256b80b 100644
--- a/examples/tools/scene_viewer.rs
+++ b/examples/tools/scene_viewer.rs
@@ -40,7 +40,7 @@ Controls:
             brightness: 1.0 / 5.0f32,
         })
         .insert_resource(AssetServerSettings {
-            asset_folder: std::env::var("CARGO_MANIFEST_DIR").unwrap(),
+            asset_folder: std::env::var("CARGO_MANIFEST_DIR").unwrap_or_else(|_| ".".to_string()),
             watch_for_changes: true,
         })
         .insert_resource(WindowDescriptor {