From 163d413f9c4c751ade24f0fb3017b51a9158cf3a Mon Sep 17 00:00:00 2001
From: karl <karl.bittner@hexaquo.at>
Date: Sun, 23 May 2021 20:39:10 +0200
Subject: [PATCH] Minor lighting improvements

---
 Shader/bump.fs | 2 +-
 Shader/bump.vs | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/Shader/bump.fs b/Shader/bump.fs
index 1d8d309..4bc59d5 100644
--- a/Shader/bump.fs
+++ b/Shader/bump.fs
@@ -86,7 +86,7 @@ float get_shadow(vec4 fragPosLightSpace, vec3 normal) {
     // We divide by this later, so make sure it's not exactly 0
     // It seems like it should always be 0.0, but due to interpolation it's not -- it increases with the deviation!
     // A larger second parameter to max() means more blur (but also more light bleeding)
-    float variance = max(moments.y - moments.x * moments.x, (currentDepth - closestDepth) * 0.05);
+    float variance = max(moments.y - moments.x * moments.x, (-0.01 + (currentDepth - closestDepth) * 0.7) * 0.1);
 
     float d = projCoords.z - moments.x * 1.0;
     // Use linear_step to prevent light bleeding
diff --git a/Shader/bump.vs b/Shader/bump.vs
index 38dc13c..3b64383 100644
--- a/Shader/bump.vs
+++ b/Shader/bump.vs
@@ -35,7 +35,7 @@ void main() {
     vec3 N   = normalize(mat3(model) * aNormal);
     mat3 TBN = transpose(mat3(T, B, N));
 
-    vs_out.TangentLightDir = light_direction;
+    vs_out.TangentLightDir = TBN * -light_direction;
     vs_out.TangentViewPos  = TBN * viewPos;
     vs_out.TangentFragPos  = TBN * vs_out.FragPos;
 }