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stgsharp/源代码/StgSharp/Math/Linear/Vector.VectorTransform.cs
T

44 lines
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C#

namespace StgSharp.Math
{
public unsafe static partial class Vector
{
public static vec3d To3D(vec2d vec)
{
return new vec3d(vec.X, vec.Y, 0.0f);
}
public static vec4d To4D(this vec2d Vec)
{
return new vec4d(Vec.X, Vec.Y, 0, 0);
}
public static vec4d To4D(this vec3d vec)
{
return new vec4d(vec.X, vec.Y, vec.Z, 0);
}
public static vec2d To2D(vec3d vec, CordinatePlain plain)
{
switch (plain)
{
case CordinatePlain.XY:
return new vec2d(vec.X, vec.Y);
break;
case CordinatePlain.YZ:
return new vec2d(vec.Y, vec.Z);
break;
case CordinatePlain.XZ:
return new vec2d(vec.X, vec.Z);
break;
default:
return default(vec2d);
break;
}
}
}
}