95 lines
3.1 KiB
C#
95 lines
3.1 KiB
C#
//-----------------------------------------------------------------------
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//-----------------------------------------------------------------------
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// file="Vector.Normalize.cs"
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// Project: StgSharp
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// AuthorGroup: Nitload Space
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// Copyright (c) Nitload Space. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person
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// obtaining a copy of this software and associated documentation
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// files (the “Software”), to deal in the Software without restriction,
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// including without limitation the rights to use, copy, modify, merge,
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// publish, distribute, sublicense, and/or sell copies of the Software,
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// and to permit persons to whom the Software is furnished to do so,
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// subject to the following conditions:
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//
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// The above copyright notice and
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// this permission notice shall be included in all copies
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// or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED “AS IS”,
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// WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH
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// THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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//-----------------------------------------------------------------------
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//-----------------------------------------------------------------------
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using StgSharp.Internal;
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using StgSharp.Mathematics;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Numerics;
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using System.Runtime.InteropServices;
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using System.Text;
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using System.Threading.Tasks;
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namespace StgSharp.Mathematics
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{
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public static partial class Linear
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{
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public static Vec4 Normalize( Vec4 vec )
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{
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return new Vec4
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{
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vec = Vector4.Normalize( vec.vec )
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};
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}
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public static Vec3 Normalize( Vec3 vec )
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{
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return new Vec3
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{
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v = Vector3.Normalize( vec.v )
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};
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}
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public static unsafe void Normalize( ref Vec4 source, ref Vec4 target )
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{
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Vector4 s = source.vec;
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Vector4 t = target.vec;
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s = Vector4.Normalize( s );
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float dotProduct = Vector4.Dot( s, t );
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Vector4 projection = Vector4.Multiply( s, t );
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t -= projection;
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source.vec = s;
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target.vec = t;
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}
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public static unsafe void Normalize( ref Vec3 source, ref Vec3 target )
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{
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Vector3 s = source.v;
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Vector3 t = target.v;
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s = Vector3.Normalize( s );
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Vector3 projection = ( Vector3.Dot( t, s ) / Vector3.Dot( s, s ) ) * s;
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t -= projection;
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t = Vector3.Normalize( t );
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source.v = s;
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target.v = t;
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}
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}
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}
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