From 64717d64cdfa022078194537e2345602ccee354d Mon Sep 17 00:00:00 2001
From: Hugo Locurcio <hugo.locurcio@hugo.pro>
Date: Fri, 10 Jun 2022 10:50:42 +0200
Subject: Improve documentation for BaseMaterial3D's alpha scissor threshold

---
 scene/resources/material.cpp | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'scene/resources/material.cpp')

diff --git a/scene/resources/material.cpp b/scene/resources/material.cpp
index bd0e470112..32ddef1693 100644
--- a/scene/resources/material.cpp
+++ b/scene/resources/material.cpp
@@ -2971,6 +2971,8 @@ BaseMaterial3D::BaseMaterial3D(bool p_orm) :
 
 	set_transparency(TRANSPARENCY_DISABLED);
 	set_alpha_antialiasing(ALPHA_ANTIALIASING_OFF);
+	// Alpha scissor threshold of 0.5 matches the glTF specification and Label3D default.
+	// <https://www.khronos.org/registry/glTF/specs/2.0/glTF-2.0.html#_material_alphacutoff>
 	set_alpha_scissor_threshold(0.5);
 	set_alpha_hash_scale(1.0);
 	set_alpha_antialiasing_edge(0.3);
-- 
cgit v1.2.3