From 2deafe2a3a6f2393f63e8782ce2aa508f070e84f Mon Sep 17 00:00:00 2001
From: David Thompson <dthompson2@worcester.edu>
Date: Mon, 10 May 2021 17:19:04 -0400
Subject: graphics: pbr: Set alpha cutoff of default material to 0.5.

This conforms to the glTF 2.0 specification.
---
 chickadee/graphics/pbr.scm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/chickadee/graphics/pbr.scm b/chickadee/graphics/pbr.scm
index 7d8689a..15b78b8 100644
--- a/chickadee/graphics/pbr.scm
+++ b/chickadee/graphics/pbr.scm
@@ -107,7 +107,7 @@
                      #:emissive-texture-enabled #f
                      #:emissive-texcoord 0
                      #:alpha-mode 0
-                     #:alpha-cutoff 1.0
+                     #:alpha-cutoff 0.5
                      #:double-sided? #f))
 
 (define-graphics-variable pbr-shader
-- 
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