From 1e5a1af8f9e4bf3637cd1aefb6a1b4b298c44da5 Mon Sep 17 00:00:00 2001
From: Jakob Hellermann <jakob.hellermann@protonmail.com>
Date: Thu, 6 May 2021 03:08:53 +0000
Subject: [PATCH] load zeroed UVs as fallback in gltf loader (#1803)

fixes a lot of gltf loading failures (see https://github.com/bevyengine/bevy/issues/1802)
---
 src/loader.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/loader.rs b/src/loader.rs
index 1687569..75e7607 100644
--- a/src/loader.rs
+++ b/src/loader.rs
@@ -140,6 +140,11 @@ async fn load_gltf<'a, 'b>(
                 .map(|v| VertexAttributeValues::Float32x2(v.into_f32().collect()))
             {
                 mesh.set_attribute(Mesh::ATTRIBUTE_UV_0, vertex_attribute);
+            } else {
+                let len = mesh.count_vertices();
+                let uvs = vec![[0.0, 0.0]; len];
+                bevy_log::debug!("missing `TEXCOORD_0` vertex attribute, loading zeroed out UVs");
+                mesh.set_attribute(Mesh::ATTRIBUTE_UV_0, uvs);
             }
 
             if let Some(vertex_attribute) = reader