public static Vector2D operator *(float B, Vector2D A)
{
Vector2D temp = new Vector2D ();
temp.x = A.x * (double)B;
temp.y = A.y * (double)B;
return temp;
}
public static Vector2D operator -(Vector2D A, Vector2D B)
{
Vector2D temp = new Vector2D ();
temp.x = A.x - B.x;
temp.y = A.y - B.y;
return temp;
}
public static Vector2D operator *(Vector2D A, double B)
{
Vector2D temp = new Vector2D ();
temp.x = A.x * B;
temp.y = A.y * B;
return temp;
}
public double GetSquaredDistanceTo(Vector2D Other)
{
return ((x - Other.x) * (x - Other.x) + (y - Other.y) * (y - Other.y));
}
public double GetDeltaAngle(Vector2D A)
{
return (double)GetDeltaAngle (GetAngle0To2PI (), A.GetAngle0To2PI ());
}
public Vector2D GetPerpendicular()
{
Vector2D temp = new Vector2D (y, -x);
return temp;
}
public double Dot(Vector2D B)
{
return (x * B.x + y * B.y);
}
// are they the same within the error value?
public bool Equals(Vector2D OtherVector, double ErrorValue)
{
if ((x < OtherVector.x + ErrorValue && x > OtherVector.x - ErrorValue) && (y < OtherVector.y + ErrorValue && y > OtherVector.y - ErrorValue)) {
return true;
}
return false;
}
public double Cross(Vector2D B)
{
return x * B.y - y * B.x;
}
public static double GetDistanceBetweenSquared(Vector2D A, Vector2D B)
{
return ((A.x - B.x) * (A.x - B.x) + (A.y - B.y) * (A.y - B.y));
}
public static double GetDistanceBetween(Vector2D A, Vector2D B)
{
return (double)System.Math.Sqrt (GetDistanceBetweenSquared (A, B));
}
public static Vector2D operator /(double B, Vector2D A)
{
Vector2D temp = new Vector2D ();
temp.x = A.x / B;
temp.y = A.y / B;
return temp;
}
/// <summary>
///
/// </summary>
/// <param name="Start">
/// A <see cref="Vector2D"/>
/// </param>
/// <param name="End">
/// A <see cref="Vector2D"/>
/// </param>
/// <param name="color">
/// A <see cref="RgbaBytes"/>
/// </param>
public void Line(Vector2D Start, Vector2D End, RgbaBytes color)
{
Line (Start.x, Start.y, End.x, End.y, color);
}