From c8146d33b58f35b4aa605b8f3d44bc8e1a96009c Mon Sep 17 00:00:00 2001
From: RaveYard <29225776+MrRaveYard@users.noreply.github.com>
Date: Tue, 19 Sep 2023 16:49:01 +0200
Subject: [PATCH] Fix lights being slightly shifted

---
 wadsrc/static/shaders/lightmap/vert_raytrace.glsl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/wadsrc/static/shaders/lightmap/vert_raytrace.glsl b/wadsrc/static/shaders/lightmap/vert_raytrace.glsl
index e6a9bfefc..556c7b73c 100644
--- a/wadsrc/static/shaders/lightmap/vert_raytrace.glsl
+++ b/wadsrc/static/shaders/lightmap/vert_raytrace.glsl
@@ -26,8 +26,8 @@ void main()
 
 	// Project to position relative to tile
 	vec3 localPos = aPosition - WorldToLocal;
-	float x = 1.0 + dot(localPos, ProjLocalToU);
-	float y = 1.0 + dot(localPos, ProjLocalToV);
+	float x = dot(localPos, ProjLocalToU);
+	float y = dot(localPos, ProjLocalToV);
 
 	// Find the position in the output texture
 	gl_Position = vec4(vec2(TileX + x, TileY + y) / TextureSize * 2.0 - 1.0, 0.0, 1.0);