private Point IntersectionPoint(Rectangle rect)
{
Point result = Point.Empty;
Point LeftUp = new Point(rect.X - 5, rect.Y - 5);
Point LeftDown = new Point(rect.X - 5, rect.Y + rect.Height + 10);
Point RightUp = new Point(rect.X + 5 + rect.Width, rect.Y - 5);
Point RightDown = new Point(rect.X + rect.Width + 10, rect.Y + rect.Height + 10);
Diagram.NET.element.MathHelper.pt point;
//Верхний
Diagram.NET.element.MathHelper.segment s1 = new Diagram.NET.element.MathHelper.segment(LeftUp, RightUp);
Diagram.NET.element.MathHelper.segment s2 = new Diagram.NET.element.MathHelper.segment(this.line1.Point1, this.line1.Point2);
point = Diagram.NET.element.MathHelper.segments_intersection(s1, s2);
if (point != null)
{
return(new Point((int)point.x, (int)point.y));
}
//Правый
s1 = new Diagram.NET.element.MathHelper.segment(RightUp, RightDown);
point = Diagram.NET.element.MathHelper.segments_intersection(s1, s2);
if (point != null)
{
return(new Point((int)point.x, (int)point.y));
}
//Нижний
s1 = new Diagram.NET.element.MathHelper.segment(RightDown, LeftDown);
point = Diagram.NET.element.MathHelper.segments_intersection(s1, s2);
if (point != null)
{
return(new Point((int)point.x, (int)point.y));
}
//Левый
s1 = new Diagram.NET.element.MathHelper.segment(LeftDown, LeftUp);
point = Diagram.NET.element.MathHelper.segments_intersection(s1, s2);
if (point != null)
{
return(new Point((int)point.x, (int)point.y));
}
return(result);
}
private Point IntersectionPoint(Rectangle rect)
{
Point result = Point.Empty;
Point LeftUp = new Point(rect.X-5, rect.Y-5);
Point LeftDown = new Point(rect.X-5, rect.Y + rect.Height+10);
Point RightUp = new Point(rect.X+5 + rect.Width, rect.Y-5);
Point RightDown = new Point(rect.X + rect.Width+10, rect.Y + rect.Height+10);
Diagram.NET.element.MathHelper.pt point;
//Верхний
Diagram.NET.element.MathHelper.segment s1 = new Diagram.NET.element.MathHelper.segment(LeftUp, RightUp);
Diagram.NET.element.MathHelper.segment s2 = new Diagram.NET.element.MathHelper.segment(this.line1.Point1, this.line1.Point2);
point = Diagram.NET.element.MathHelper.segments_intersection(s1,s2);
if (point != null) return new Point((int)point.x, (int)point.y);
//Правый
s1 = new Diagram.NET.element.MathHelper.segment(RightUp, RightDown);
point = Diagram.NET.element.MathHelper.segments_intersection(s1, s2);
if (point != null) return new Point((int)point.x, (int)point.y);
//Нижний
s1 = new Diagram.NET.element.MathHelper.segment(RightDown, LeftDown);
point = Diagram.NET.element.MathHelper.segments_intersection(s1, s2);
if (point != null) return new Point((int)point.x, (int)point.y);
//Левый
s1 = new Diagram.NET.element.MathHelper.segment(LeftDown, LeftUp);
point = Diagram.NET.element.MathHelper.segments_intersection(s1, s2);
if (point != null) return new Point((int)point.x, (int)point.y);
return result;
}
