From c8e402324e6942a09fd669f67a82567007521262 Mon Sep 17 00:00:00 2001
From: John Wigg <31868812+CaptainProton42@users.noreply.github.com>
Date: Sun, 16 May 2021 23:01:53 +0200
Subject: [PATCH] Fix normals of PrismMesh

---
 scene/resources/primitive_meshes.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scene/resources/primitive_meshes.cpp b/scene/resources/primitive_meshes.cpp
index c3d84aeda26..64b43f82c63 100644
--- a/scene/resources/primitive_meshes.cpp
+++ b/scene/resources/primitive_meshes.cpp
@@ -1133,7 +1133,7 @@ void PrismMesh::_create_mesh_array(Array &p_arr) const {
 	Vector3 normal_left, normal_right;
 
 	normal_left = Vector3(-size.y, size.x * left_to_right, 0.0);
-	normal_right = Vector3(size.y, size.x * left_to_right, 0.0);
+	normal_right = Vector3(size.y, size.x * (1.0 - left_to_right), 0.0);
 	normal_left.normalize();
 	normal_right.normalize();