From cf10ef57bc38294f945ffd3a3b9cf199a749a470 Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Tue, 26 Jan 2021 21:10:37 +0000
Subject: Define light direction as a vector

---
 gfx/gl/shader.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'gfx')

diff --git a/gfx/gl/shader.cpp b/gfx/gl/shader.cpp
index 31feb80..7fcdefe 100644
--- a/gfx/gl/shader.cpp
+++ b/gfx/gl/shader.cpp
@@ -36,7 +36,8 @@ void
 Shader::setView(glm::mat4 proj) const
 {
 	glUniformMatrix4fv(viewProjection_uniform, 1, GL_FALSE, &proj[0][0]);
-	glUniform3f(lightDir_uniform, 0.0F, -1.0F, 0.0F);
+	const glm::vec3 lightDir = glm::normalize(glm::vec3 {1, -1, 0});
+	glUniform3fv(lightDir_uniform, 1, &lightDir[0]);
 }
 
 void
-- 
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