//Let's j ust say if this vector is multiplied by a matrix it just uses the upper left 4 elements regardless of how big the matrix is
public static Vector2X1 operator *(IMatrix M, Vector2X1 V)
{
Vector2X1 NewVect = new Vector2X1();
NewVect.X = M.Data[0, 0] * V.X + M.Data[0, 1] * V.Y;
NewVect.Y = M.Data[1, 0] * V.X + M.Data[1, 1] * V.Y;
return(NewVect);
}
public static Matrix3X3 OutterProduct(Vector2X1 A, Vector2X1 B)
{
Matrix3X3 NewMatrix = new Matrix3X3();
NewMatrix.SetZeros();
NewMatrix.Data[0, 0] = A.X * B.X;
NewMatrix.Data[0, 1] = A.X * B.Y;
NewMatrix.Data[1, 0] = A.Y * B.X;
NewMatrix.Data[1, 1] = A.Y * B.Y;
return(NewMatrix);
}
public override bool Equals(object obj)
{
// If parameter is null return false.
if (obj == null)
{
return(false);
}
// If parameter cannot be cast to Vector2X1 return false.
Vector2X1 v2 = obj as Vector2X1;
if ((System.Object)v2 == null)
{
return(false);
}
//gotta test for NaN
if (float.IsNaN(v2.X))
{
return(false);
}
if (float.IsNaN(v2.Y))
{
return(false);
}
//else have to check values
if (Math.Abs(this.X - v2.X) > 1e-5)
{
return(false);
}
if (Math.Abs(this.Y - v2.Y) > 1e-5)
{
return(false);
}
//else
return(true);
}
public static float DotProduct(Vector2X1 U, Vector2X1 V)
{
return(U.X * V.X + U.Y * V.Y);
}
public static double Distance(Vector2X1 v1, Vector2X1 v2) //EX: Vector2X1.Distance(Vect1, Vect2);
{
return(Math.Sqrt((v2.X - v1.X) * (v2.X - v1.X) + (v2.Y - v1.Y) * (v2.Y - v1.Y)));
}
public Vector2X1(Vector2X1 oldVector)
{
X = oldVector.X;
Y = oldVector.Y;
}