TheSpydog
/
MoonWorks
forked from MoonsideGames/MoonWorks
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

add Vector2.Transform Matrix3x2 overload

main
cosmonaut 2022-03-15 23:02:38 -07:00
parent 5424d05d63
commit 0fb7e98cb5
1 changed files with 14 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
src/Math/Vector2.cs
View File

@ -877,6 +877,20 @@ namespace MoonWorks.Math
result.Y = value.Y + y * rotation.W + (rotation.Z * x - rotation.X * z); result.Y = value.Y + y * rotation.W + (rotation.Z * x - rotation.X * z);
} }
/// <summary>
/// Creates a new <see cref="Vector2"/> that contains a transformation of 2d-vector by the specified <see cref="Matrix4x4"/>.
/// </summary>
/// <param name="position">Source <see cref="Vector2"/>.</param>
/// <param name="matrix">The transformation <see cref="Matrix4x4"/>.</param>
/// <returns>Transformed <see cref="Vector2"/>.</returns>
public static Vector2 Transform(Vector2 position, Matrix3x2 matrix)
{
return new Vector2(
(position.X * matrix.M11) + (position.Y * matrix.M21) + matrix.M31,
(position.X * matrix.M12) + (position.Y * matrix.M22) + matrix.M32
);
}
/// <summary> /// <summary>
/// Apply transformation on all vectors within array of <see cref="Vector2"/> by the specified <see cref="Matrix4x4"/> and places the results in an another array. /// Apply transformation on all vectors within array of <see cref="Vector2"/> by the specified <see cref="Matrix4x4"/> and places the results in an another array.
/// </summary> /// </summary>