83 lines
2.8 KiB
C#
83 lines
2.8 KiB
C#
//-----------------------------------------------------------------------
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// -----------------------------------------------------------------------
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// file="Vector.Normalize"
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// Project: StgSharp
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// AuthorGroup: Nitload
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// Copyright (c) Nitload. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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//
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// -----------------------------------------------------------------------
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// -----------------------------------------------------------------------
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using StgSharp.Mathematics.Graphic;
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using System.Numerics;
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namespace StgSharp.Mathematics.Graphic
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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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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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