OldThink/Content.Shared/_Amour/ContentMath/ContentMathHelper.cs

using System.Numerics;

namespace Content.Shared._Amour.ContentMath;

public static class ContentMathHelper
{
    public static Vector2 Transform(this Matrix3x2 matrix, Vector2 vector)
    {
        return Vector2.Transform(vector, matrix);
    }

    public static void Multiply(Matrix3x2 scaleMatrix, Matrix3x2 worldMatrix, out Matrix3x2 p2)
    {
        p2 = scaleMatrix * worldMatrix;
    }

    public static Matrix3x2 Invert(this Matrix3x2 matrix)
    {
        Matrix3x2.Invert(matrix, out Matrix3x2 result);
        return result;
    }
}