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stgsharp/StgSharp.Common/Mathematics/Linear/Vector.Cross.cs
T

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C#

//-----------------------------------------------------------------------
//-----------------------------------------------------------------------
// file="Vector.Cross.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.
//
//-----------------------------------------------------------------------
//-----------------------------------------------------------------------
namespace StgSharp.Mathematics
{
public static unsafe partial class Linear
{
public static float Cross( Vec2 vec1, Vec2 vec2 )
{
return ( vec1.X * vec2.Y ) - ( vec1.Y * vec2.X );
}
public static Vec3 Cross( Vec3 vec1, Vec3 vec2 )
{
return new Vec3(
( vec1.Y * vec2.Z ) - ( vec1.Z * vec2.Y ),
( vec1.X * vec2.Z ) - ( vec1.Z * vec2.X ),
( vec1.X * vec2.Y ) - ( vec1.Y * vec2.X ) );
}
}
}