From ede7d5bb4d92433f0d43314d5df4a319e47181da Mon Sep 17 00:00:00 2001
From: DCFApixels <99481254+DCFApixels@users.noreply.github.com>
Date: Sun, 12 Oct 2025 22:13:01 +0800
Subject: [PATCH] update

---
 Runtime/Gizmos/DebugX.lines.cs      |  2 +-
 Runtime/Gizmos/DebugX.primitives.cs |  2 +-
 Runtime/Utils/DebugXUtility.cs      | 23 -----------------------
 3 files changed, 2 insertions(+), 25 deletions(-)

diff --git a/Runtime/Gizmos/DebugX.lines.cs b/Runtime/Gizmos/DebugX.lines.cs
index 9016e2b..44c701a 100644
--- a/Runtime/Gizmos/DebugX.lines.cs
+++ b/Runtime/Gizmos/DebugX.lines.cs
@@ -201,7 +201,7 @@ namespace DCFApixels
                 const float MinDistance = 2.5f;
                 Vector3 direction = end - start;
 
-                float distance = DebugXUtility.FastSqrt(direction.sqrMagnitude);
+                float distance = direction.magnitude;
                 Quaternion rotation = direction == default ? Quaternion.identity : Quaternion.LookRotation(direction);
 
                 var arrowSize = 0.5f;
diff --git a/Runtime/Gizmos/DebugX.primitives.cs b/Runtime/Gizmos/DebugX.primitives.cs
index 7a08311..2006674 100644
--- a/Runtime/Gizmos/DebugX.primitives.cs
+++ b/Runtime/Gizmos/DebugX.primitives.cs
@@ -111,7 +111,7 @@ namespace DCFApixels
                                 float x = sqrRadius * sqrRadius / sqrMagnitude;
                                 if (x / sqrRadius < 1f)
                                 {
-                                    float resultSize = DebugXUtility.FastSqrt(sqrRadius - x);
+                                    float resultSize = Mathf.Sqrt(sqrRadius - x);
 
                                     _buffer[i] = new Gizmo<InstancingMeshGizmoLayout>(
                                         new InstancingMeshGizmoLayout(
diff --git a/Runtime/Utils/DebugXUtility.cs b/Runtime/Utils/DebugXUtility.cs
index 3c7128d..86bf84b 100644
--- a/Runtime/Utils/DebugXUtility.cs
+++ b/Runtime/Utils/DebugXUtility.cs
@@ -92,29 +92,6 @@ namespace DCFApixels.DebugXCore
             return isFull ? type.FullName : type.Name;
 #endif
         }
-
-        [IN(LINE)]
-        public static float FastMagnitude(Vector3 v)
-        {
-            return FastSqrt(v.x * v.x + v.y * v.y + v.z * v.z);
-        }
-        [IN(LINE)]
-        public static unsafe float FastSqrt(float number)
-        {
-            long i;
-            float x2, y;
-            const float threehalfs = 1.5F;
-
-            x2 = number * 0.5F;
-            y = number;
-            i = *(long*)&y;                         // evil floating point bit level hacking
-            i = 0x5f3759df - (i >> 1);              // what the fuck?
-            y = *(float*)&i;
-            y = y * (threehalfs - (x2 * y * y));    // 1st iteration
-            //y  = y * ( threehalfs - ( x2 * y * y ) );   // 2nd iteration, this can be removed
-
-            return 1 / y;
-        }
         [IN(LINE)]
         public static int NextPow2(int v)
         {