daily update on 20240508 by nitload youmu, partical added

源代码/StgSharp/Math/Linear/vec2d.cs

@@ -59,6 +59,10 @@ namespace StgSharp.Math
         {
             v = vec;
         }
+        internal vec2d(Vector4 vec)
+        {
+            this.vec = vec;
+        }
 
         public vec2d(float x, float y)
         {

源代码/StgSharp/Math/Scalar/Random.cs

@@ -36,7 +36,6 @@ using System.Collections.Generic;
 using System.Data;
 using System.Reflection;
 using System.Runtime.CompilerServices;
-using System.Runtime.Intrinsics.Arm;
 using System.Security.Cryptography;
 using System.Text;