/// <summary>
/// Returns a vector that points to the defined direction (x, y) but has length equal to 1.
/// </summary>
public Vector2D GetUnitVector()
{
return(SexyMath.UnitVector(X, Y));
}
/// <summary>
/// <para>Returns length of a vector.</para>
/// <para>It's basically length of line segment from (0,0) to (x, y)</para>
public float GetLength()
{
return(SexyMath.VectorLength(X, Y));
}
/// <summary>
/// <para>Returns angle between vector (x, y) that starts in (0, 0) relative to X+ axis.</para>
/// <para>X values grow to the right, Y values grow to the bottom.</para>
/// </summary>
public float GetAngle()
{
return(SexyMath.VectorAngle(X, Y));
}
public float GetField()
{
return(SexyMath.CircleField(Radius));
}
public override bool CheckCollision(Point collider)
{
return(SexyMath.CheckCollision(this, collider));
}
public float GetPeremiter()
{
return(SexyMath.CirclePeremiter(Radius));
}
