diff --git a/fps.txt b/fps.txt
new file mode 100644
index 0000000..466b5d5
--- /dev/null
+++ b/fps.txt
@@ -0,0 +1,2413 @@
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diff --git a/imgui.ini b/imgui.ini
index 8c0c8f5..d0bc36c 100644
--- a/imgui.ini
+++ b/imgui.ini
@@ -11,7 +11,7 @@ Pos=1648,207
 Size=266,285
 
 [Window][Fog settings]
-Pos=1640,500
+Pos=1643,500
 Size=247,157
 
 [Window][Debug]
@@ -19,6 +19,6 @@ Pos=1642,668
 Size=260,143
 
 [Window][Debug BVH]
-Pos=1639,663
+Pos=1639,664
 Size=274,205
 
diff --git a/scenes/dragon.rt b/scenes/dragon.rt
index e96d5c7..afda352 100644
--- a/scenes/dragon.rt
+++ b/scenes/dragon.rt
@@ -26,5 +26,5 @@ qu	-1 1.999 -1	2 0 0		0 0 2		6
 
 OBJ obj/Dragon_80K.obj
 
-po  -1.99 -0.5 -0.5           0 1 0   	0 0 1		1	4
-po  -0.5 -0.5 -1.99            	  0 1 0   	1 0 0		0	4
+# po  -1.99 -0.5 -0.5           0 1 0   	0 0 1		1	4
+# po  -0.5 -0.5 -1.99            	  0 1 0   	1 0 0		0	4
diff --git a/shaders/trace.glsl b/shaders/trace.glsl
index 373bab4..650ea31 100644
--- a/shaders/trace.glsl
+++ b/shaders/trace.glsl
@@ -31,30 +31,24 @@ hitInfo	traceScene(Ray ray)
 {
 	hitInfo hit;
 
-	// for (int p = 0; p < 25; p++) //portals
-	// {
-		hit.t = 1e30;
-		hit.obj_index = -1;
-		
-		for (int i = 0; i < u_objectsNum; i++)
-		{
-			GPUObject obj = objects[i];
+	hit.t = 1e30;
+	hit.obj_index = -1;
+	
+	for (int i = 0; i < u_objectsNum; i++)
+	{
+		GPUObject obj = objects[i];
 
-			hitInfo temp_hit;
-			if (intersect(ray, obj, temp_hit) && temp_hit.t > 0.0f && temp_hit.t < hit.t + 0.0001)
-			{
-				hit.t = temp_hit.t;
-				hit.last_t = temp_hit.last_t;
-				hit.obj_index = i;
-				hit.mat_index = obj.mat_index;
-				hit.position = temp_hit.position;
-				hit.normal = temp_hit.normal;
-			}
+		hitInfo temp_hit;
+		if (intersect(ray, obj, temp_hit) && temp_hit.t < hit.t)
+		{
+			hit.t = temp_hit.t;
+			hit.last_t = temp_hit.last_t;
+			hit.obj_index = i;
+			hit.mat_index = obj.mat_index;
+			hit.position = temp_hit.position;
+			hit.normal = temp_hit.normal;
 		}
-		// if (hit.obj_index == -1 || objects[hit.obj_index].type != 5)
-		// 	break ;
-		// ray = portalRay(ray, hit);
-	// }
+	}
 
 	return (hit);
 }
@@ -134,11 +128,15 @@ hitInfo traceRay(Ray ray)
 	{
 		hitBVH = traceBVH(ray);
 		hitScene = traceScene(ray);
-	
+		
 		hit = hitBVH.t < hitScene.t ? hitBVH : hitScene;
-		if (hit.obj_index == -1 || objects[hit.obj_index].type != 5)
-			break ;
-		ray = portalRay(ray, hit);
+		#if 0
+			if (hit.obj_index == -1 || objects[hit.obj_index].type != 5)
+				break ;
+			ray = portalRay(ray, hit);
+		#else
+			return (hit);
+		#endif
 	}
 
 	return (hit);