diff --git a/src/game/sector.cpp b/src/game/sector.cpp
index 554503a..c525648 100644
--- a/src/game/sector.cpp
+++ b/src/game/sector.cpp
@@ -430,7 +430,12 @@ void game::Sector::GetLightsAt(const glm::vec3& pos, std::vector<Light>& out_lig
 static float SignedDistanceToLine(const glm::vec2& p0, const glm::vec2& p1, const glm::vec2& p)
 {
 	// Calculate the signed distance from point p to the line segment p0 -> p1
-	return (p1.x - p0.x) * (p.y - p0.y) - (p1.y - p0.y) * (p.x - p0.x);
+	//return (p1.x - p0.x) * (p.y - p0.y) - (p1.y - p0.y) * (p.x - p0.x);
+
+	glm::vec2 seg = p1 - p0;
+	glm::vec2 toPoint = p - p0;
+	float cross = seg.x * toPoint.y - seg.y * toPoint.x; // signed area * 2
+	return cross / glm::length(seg); // now in distance units
 }
 
 void game::Sector::Bake()
@@ -473,9 +478,9 @@ void game::Sector::GenerateAllLights()
 
 void game::Sector::BakeLightmap()
 {
-	const size_t lightmap_size = 512;
+	const size_t lightmap_size = 128;
 	const glm::vec3 ambient_light(0.2f); // Ambient light color
-	const float margin = 2.0f;
+	const float margin = 1.0f;
 
 	std::span<const assets::MeshVertex> mesh_verts = mesh_->GetVertices();
 	std::span<const assets::MeshTriangle> mesh_tris = mesh_->GetTriangles();
@@ -531,11 +536,23 @@ void game::Sector::BakeLightmap()
 				glm::vec2 texel_pos((float)x + 0.5f, (float)y + 0.5f); // Center of the texel
 
 				// Calculate signed distance to the triangle edges
-				float sd = SignedDistanceToLine(verts[0], verts[1], texel_pos);
-				sd = glm::min(sd, SignedDistanceToLine(verts[1], verts[2], texel_pos));
-				sd = glm::min(sd, SignedDistanceToLine(verts[2], verts[0], texel_pos));
+				float sd0 = SignedDistanceToLine(verts[0], verts[1], texel_pos);
+				float sd1 = SignedDistanceToLine(verts[1], verts[2], texel_pos);
+				float sd2 = SignedDistanceToLine(verts[2], verts[0], texel_pos);
 
-				if (sd > margin)
+				float area2 = (verts[1].x - verts[0].x) * (verts[2].y - verts[0].y) -
+					(verts[1].y - verts[0].y) * (verts[2].x - verts[0].x);
+
+				if (area2 < 0.0f) {
+					// CW winding — flip signs
+					sd0 = -sd0;
+					sd1 = -sd1;
+					sd2 = -sd2;
+				}
+
+				float sd = glm::min(glm::min(sd0, sd1), sd2);
+
+				if (sd < -margin)
 				{
 					continue; // Texel is outside the triangle even with margin
 				}