public static Vector2 MultiplyT(ref Mat22 A, ref Vector2 v)
{
return(new Vector2(v.X * A.Col1.X + v.Y * A.Col1.Y, v.X * A.Col2.X + v.Y * A.Col2.Y));
}
public static Vector2 MultiplyT(ref Mat22 A, Vector2 v)
{
return(MultiplyT(ref A, ref v));
}
/// <summary>
/// Initialize using a position vector and a rotation matrix.
/// </summary>
/// <param name="position">The position.</param>
/// <param name="r">The r.</param>
public Transform(ref Vector2 position, ref Mat22 r)
{
Position = position;
R = r;
}
public static Vector2 Multiply(ref Mat22 A, ref Vector2 v)
{
return(new Vector2(A.Col1.X * v.X + A.Col2.X * v.Y, A.Col1.Y * v.X + A.Col2.Y * v.Y));
}
public static void Add(ref Mat22 A, ref Mat22 B, out Mat22 R)
{
R.Col1 = A.Col1 + B.Col1;
R.Col2 = A.Col2 + B.Col2;
}
