daily update on 2024.03.18 by itload youmu

源代码/StgSharp/Math/Linear/vec2d.cs

@@ -1,4 +1,34 @@
-using System.Numerics;
+//-----------------------------------------------------------------------
+//-----------------------------------------------------------------------
+//     file="vec2d.cs"
+//     Project: StgSharp
+//     AuthorGroup: Nitload Space
+//     Copyright (c) Nitload Space. All rights reserved.
+//     
+//     Permission is hereby granted, free of charge, to any person 
+//     obtaining a copy of this software and associated documentation 
+//     files (the “Software”), to deal in the Software without restriction, 
+//     including without limitation the rights to use, copy, modify, merge,
+//     publish, distribute, sublicense, and/or sell copies of the Software, 
+//     and to permit persons to whom the Software is furnished to do so, 
+//     subject to the following conditions:
+//     
+//     The above copyright notice and 
+//     this permission notice shall be included in all copies 
+//     or substantial portions of the Software.
+//     
+//     THE SOFTWARE IS PROVIDED “AS IS”, 
+//     WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
+//     INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
+//     FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
+//     IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
+//     DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 
+//     ARISING FROM, OUT OF OR IN CONNECTION WITH 
+//     THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//     
+//-----------------------------------------------------------------------
+//-----------------------------------------------------------------------
+using System.Numerics;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
@@ -22,30 +52,23 @@ namespace StgSharp.Math
         [FieldOffset(0)]
         internal Vector2 v;
 
-        public Vec2d(float x, float y)
-        {
-            v = new Vector2(x, y);
-        }
-
         internal Vec2d(Vector2 vec)
         {
             v = vec;
         }
 
-        public static Vec2d Zero
+        public Vec2d(float x, float y)
         {
-            get { return new Vec2d(0, 0); }
+            v = new Vector2(x, y);
         }
 
-        public static Vec2d Unit
-        {
-            get { return new Vec2d(1, 1); }
-        }
+        public static Vec2d Unit => new Vec2d(1, 1);
 
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public static Vec2d operator +(Vec2d left, Vec2d right)
+        public static Vec2d Zero => new Vec2d(0, 0);
+
+        public float Cross(Vec2d right)
         {
-            return new Vec2d(left.v + right.v);
+            return (X * right.Y) - (Y * right.X);
         }
 
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
@@ -54,6 +77,11 @@ namespace StgSharp.Math
             return new Vec2d(left.v - right.v);
         }
 
+        public static bool operator !=(Vec2d left, Vec2d right)
+        {
+            return !(left == right);
+        }
+
         public static Vec2d operator *(Vec2d vec, float value)
         {
             return new Vec2d(vec.v * value);
@@ -64,20 +92,16 @@ namespace StgSharp.Math
             return new Vec2d(vec.v / value);
         }
 
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static Vec2d operator +(Vec2d left, Vec2d right)
+        {
+            return new Vec2d(left.v + right.v);
+        }
+
         public static bool operator ==(Vec2d left, Vec2d right)
         {
             return left.v == right.v;
         }
 
-        public static bool operator !=(Vec2d left, Vec2d right)
-        {
-            return !(left == right);
-        }
-
-        public float Cross(Vec2d right)
-        {
-            return X * right.Y - Y * right.X;
-        }
-
     }
 }