public Arc2D(Point2D center, Point2D start, Point2D end)
{
if (Math.Abs(center.GetDistanceTo(start) - center.GetDistanceTo(end))>0.0001)
{
throw new Exception("Radius length is not equal!");
}
this.CenterPt = center;
this.StartPt = start;
this.EndPt = end;
}
private void button1_Click(object sender, EventArgs e)
{
try
{
Vector2D vec1 = new Vector2D();
Vector2D vec2 = new Vector2D();
Point2D center = new Point2D(2003.4945, 1103.6469);
Point2D start = new Point2D(2494.6048, 982.6129);
Point2D end = new Point2D(1499.1729, 1142.3536);
Debug.WriteLine("distance between p1 p2 is : " + center.GetDistanceTo(start).ToString());
Debug.WriteLine("distance between p2 p3 is : " + end.GetDistanceTo(start).ToString());
Arc2D arc1 = new Arc2D(center, start, end);
vec1 = center.GetVector2DTo(start);
vec2 = center.GetVector2DTo(end);
}
catch (System.Exception ex)
{
Debug.WriteLine(ex.Message);
}
}
public Vector2D GetVector2DTo(Point2D p)
{
return new Vector2D(p.X - this.X, p.Y - this.Y);
}
public Double GetDistanceTo(Point2D p)
{
Double dx = this.X - p.X;
Double dy = this.Y - p.Y;
return Math.Sqrt(dx * dx + dy * dy);
}
public LineSegment2D(Point2D p1, Point2D p2)
{
this.StartPt = p1; this.EndPt = p2;
}