From 3d1236e594da3d3771a13591c7447088ead41939 Mon Sep 17 00:00:00 2001
From: CensoredUsername <cens.username@gmail.com>
Date: Sat, 4 Oct 2025 04:23:53 +0200
Subject: [PATCH] Small simplification of
 FlightIntergratorPerf.SetDragCubeDrag: no need to normalize and immediately
 denormalize.

---
 KSPCommunityFixes/Performance/FlightIntegratorPerf.cs | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/KSPCommunityFixes/Performance/FlightIntegratorPerf.cs b/KSPCommunityFixes/Performance/FlightIntegratorPerf.cs
index c52a96d..c643998 100644
--- a/KSPCommunityFixes/Performance/FlightIntegratorPerf.cs
+++ b/KSPCommunityFixes/Performance/FlightIntegratorPerf.cs
@@ -757,13 +757,12 @@ private static void SetDragCubeDrag(DragCubeList dragCubes, Vector3 direction)
                 double weightedDrag = dragCubes.weightedDrag[i];
 
                 double dot = Vector3.Dot(direction, faceDir);
-                double dotNormalized = (dot + 1.0) * 0.5;
                 double drag; // = PhysicsGlobals.DragCurveValue(__instance.SurfaceCurves, dotNormalized, machNumber);
 
-                if (dotNormalized <= 0.5)
-                    drag = Numerics.Lerp(fiData.dragTail, fiData.dragSurf, dotNormalized * 2.0) * fiData.dragMult;
+                if (dot <= 0.0)
+                    drag = Numerics.Lerp(fiData.dragSurf, fiData.dragTail, -dot) * fiData.dragMult;
                 else
-                    drag = Numerics.Lerp(fiData.dragSurf, fiData.dragTip, (dotNormalized - 0.5) * 2.0) * fiData.dragMult;
+                    drag = Numerics.Lerp(fiData.dragSurf, fiData.dragTip, dot) * fiData.dragMult;
 
                 double areaOccludedByDrag = areaOccluded * drag;
                 area += areaOccludedByDrag;