From c0a0827a29536349f58e21023daf2963fb9247e6 Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Thu, 18 Feb 2021 09:04:25 +0000
Subject: Add support for directional light color and an ambient color

---
 gfx/gl/shaders/basicShader.fs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'gfx/gl')

diff --git a/gfx/gl/shaders/basicShader.fs b/gfx/gl/shaders/basicShader.fs
index 7d79575..b6c011d 100644
--- a/gfx/gl/shaders/basicShader.fs
+++ b/gfx/gl/shaders/basicShader.fs
@@ -5,9 +5,11 @@ in vec3 normal0;
 
 uniform sampler2D sampler;
 uniform vec3 lightDirection;
+uniform vec3 lightColor;
+uniform vec3 ambientColor;
 
 void main()
 {
 	gl_FragColor = texture(sampler, texCoord0);
-	gl_FragColor.xyz *= clamp(dot(-lightDirection, normal0), 0.0, 1.0);
+	gl_FragColor.xyz *= clamp(ambientColor + (dot(-lightDirection, normal0) * lightColor), 0.0, 1.0);
 }
-- 
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