public static double AngleTo(PointD from, PointD to)
{
var fRadians = Math.Atan2((to.Y - from.Y), (to.X - from.X));
var fDegrees = ((AngleD.RadiansToDegrees(fRadians) + 360.0) + AngleD.DegreeOffset) % 360.0;
return(fDegrees);
}
public AngleD(double x, double y)
{
Degrees = AngleD.RadiansToDegrees(Math.Atan2(y, x)) + DegreeOffset;
}
public AngleD(AngleD angle)
{
Degrees = angle.Degrees;
}
public static PointD DegreesToXY(double degrees)
{
double radians = AngleD.DegreesToRadians(degrees) - RadianOffset;
return(new PointD(Math.Cos(radians), Math.Sin(radians)));
}
public static PointD ToXY(AngleD angle)
{
return(new PointD(angle.X, angle.Y));
}
public static double XYToDegrees(double x, double y)
{
return(AngleD.RadiansToDegrees(Math.Atan2(y, x)) + DegreeOffset);
}
