public static PointF GetPointOffsetByAngle(PointF pobjPoint, float psngAngle, float psngDistance)
{
PointF objReturn = default(PointF);
if (float.IsNaN(psngAngle))
{
return(pobjPoint);
}
objReturn = new PointF(Convert.ToSingle(psngDistance * (Math.Sin(TrigHelper.DegreeToRadian(Convert.ToDouble(psngAngle))))), Convert.ToSingle(psngDistance * (Math.Cos(TrigHelper.DegreeToRadian(Convert.ToDouble(psngAngle * -1))))) * -1);
return(GetPointOffset(objReturn, pobjPoint));
}
public static float GetAngleBetweenPoints(PointF pobjSource, PointF pobjTarget)
{
double sngO = (pobjSource.Y - pobjTarget.Y);
double sngA = (pobjSource.X - pobjTarget.X);
float sngTan = Convert.ToSingle((sngO / sngA));
float sngAngle = Convert.ToSingle(TrigHelper.RadianToDegree(Math.Atan(Convert.ToDouble(sngTan))));
if ((sngA < 0))
{
sngAngle = (sngAngle + 90f);
}
else
{
sngAngle = (sngAngle - 90f);
}
return(Convert.ToSingle(TrigHelper.Get0to360AngleValue(Convert.ToDouble(sngAngle))));
}