From d52654dfdbe16345023fed4c61261dc4c66b96fe Mon Sep 17 00:00:00 2001
From: Omniscient <omniscient.oce@gmail.com>
Date: Sat, 15 Jun 2024 22:20:15 +1000
Subject: trying to figure out uniform structs..

---
 assets/shaders/pbr_params.vert | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'assets/shaders/pbr_params.vert')

diff --git a/assets/shaders/pbr_params.vert b/assets/shaders/pbr_params.vert
index e3cbe96..01379d7 100644
--- a/assets/shaders/pbr_params.vert
+++ b/assets/shaders/pbr_params.vert
@@ -19,7 +19,8 @@ layout(location = 2) out vec2 fragTexCoords;
 
 void main() {
   fragWorldPos = vec3(mvp.model * vec4(inPosition, 1.0));
-  // TODO: fragNormal
+  mat3 normalMatrix = transpose(inverse(mat3(mvp.model)));
+  fragNormal = normalMatrix * inNormal;
   fragTexCoords = inTexCoords;
 
   gl_Position =  mvp.proj * mvp.view * mvp.model * vec4(inPosition, 1.0);
-- 
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