/// <summary> Constructs and initializes a Vector2f from the specified Vector2f.</summary>
/// <param name="v1">the Vector2f containing the initialization x y data
/// </param>
public Vector2f(Vector2f v1):base(v1)
{
}
/// <summary> Sets the value of this vector to the normalization of vector v1.</summary>
/// <param name="v1">the un-normalized vector
/// </param>
public void normalize(Vector2f v1)
{
set_Renamed(v1);
normalize();
}
/// <summary> Returns the angle in radians between this vector and
/// the vector parameter; the return value is constrained to the
/// range [0,PI].
/// </summary>
/// <param name="v1"> the other vector
/// </param>
/// <returns> the angle in radians in the range [0,PI]
/// </returns>
public float angle(Vector2f v1)
{
// stabler than acos
//UPGRADE_WARNING: Data types in Visual C# might be different. Verify the accuracy of narrowing conversions. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1042'"
return (float) System.Math.Abs(System.Math.Atan2(x * v1.y - y * v1.x, dot(v1)));
}
/// <summary> Computes the dot product of the this vector and vector v1.</summary>
/// <param name="v1">the other vector
/// </param>
public float dot(Vector2f v1)
{
return x * v1.x + y * v1.y;
}