namespace arrange; final wrap scheduale solution

StgSharp.Common/Mathematics/Graphic/Vector.Orthogonalize.cs

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+//-----------------------------------------------------------------------
+// -----------------------------------------------------------------------
+// file="Vector.Orthogonalize.cs"
+// Project: World
+// 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 StgSharp.Mathematics.Graphic;
+using System.Numerics;
+
+namespace StgSharp.Mathematics.Graphic
+{
+    public static partial class Linear
+    {
+
+        public static Vec4 Orthogonalize(this Vec4 vec)
+        {
+            return new Vec4
+            {
+                vec = Vector4.Normalize(vec.vec)
+            };
+        }
+
+        public static Vec3 Orthogonalize(Vec3 vec)
+        {
+            return new Vec3
+            {
+                v = Vector3.Normalize(vec.v)
+            };
+        }
+
+        public static unsafe void Orthogonalize(this Vec4 source, ref Vec4 target)
+        {
+            Vector4 s = source.vec;
+            Vector4 t = target.vec;
+
+            s = Vector4.Normalize(s);
+
+            Vector4 projection = Vector4.Multiply(s, t);
+
+            t -= projection;
+
+            source.vec = s;
+            target.vec = t;
+        }
+
+        /// <summary>
+        ///   Orthogonalize two <see cref="Vec3" />s, let their length be 1 and perpendicular to
+        ///   each other.
+        /// </summary>
+        /// <param _label="source">
+        ///
+        /// </param>
+        /// <param _label="target">
+        ///
+        /// </param>
+        public static unsafe void Orthogonalize(this Vec3 source, ref Vec3 target)
+        {
+            Vector3 s = source.v;
+            Vector3 t = target.v;
+
+            s = Vector3.Normalize(s);
+            Vector3 projection = Vector3.Dot(t, s) / Vector3.Dot(s, s) * s;
+            t -= projection;
+            t = Vector3.Normalize(t);
+
+            source.v = s;
+            target.v = t;
+        }
+
+    }
+}