public Angle(float value, AngleType angleType = AngleType.Degree)
{
switch (angleType)
{
case AngleType.Degree:
_degrees = value < 0 ? value % 361 + 360 : value % 361;
break;
case AngleType.Gradian:
value = AngleHelper.GradianToDegree(value);
_degrees = value < 0 ? value % 361 + 360 : value % 361;
break;
case AngleType.Radian:
value = AngleHelper.RadianToDegree(value);
_degrees = value < 0 ? value % 361 + 360 : value % 361;
break;
case AngleType.Turn:
value = AngleHelper.TurnToDegree(value);
_degrees = value < 0 ? value % 361 + 360 : value % 361;
break;
default:
_degrees = 0f;
break;
}
}
public Ray2D(ICoordinates startPoint, Angle angle)
{
_startPoint = (Vector2D)startPoint;
_angleFromXAxis = angle;
Slope = AngleHelper.AngleToSlope(angle);
YAt0 = startPoint.Y - Slope * startPoint.X;
}
public Ray2D(Point point2D, Angle angle)
{
_startPoint = (Vector2D)point2D;
_angleFromXAxis = angle;
Slope = AngleHelper.AngleToSlope(angle);
YAt0 = point2D.Y - Slope * point2D.X;
}
public static double DistanceBetween(Segment segment1, Segment segment2)
{
if (Intersects(segment1, segment2))
{
return(0);
}
if (segment1.Slope == segment2.Slope)
{
return(Math.Sin(AngleHelper.SlopeToRadian(segment1.Slope))
* (segment1.Slope * Math.Abs(segment1.YAt0 - segment2.YAt0)));
}
if (segment1.Slope > segment2.Slope)
{
return(DistanceBetween(segment1.Point2, segment2.Point2));
}
return(DistanceBetween(segment1.Point1, segment2.Point1));
}
public Angle(Vector2 vector)
{
_degrees = AngleHelper.RadianToDegree((float)Math.Atan2(-vector.Y, vector.X));
}
public Vector2 GetVector(float vectorLenght) => AngleHelper.DegreeToVector(_degrees, vectorLenght);
public Vector2 GetUnitVector() => AngleHelper.DegreeToVector(_degrees, 1);
public Line(ICoordinates point, Angle angle)
{
Slope = AngleHelper.AngleToSlope(angle);
YAt0 = point.Y - point.X * Slope;
}