//Overloading + operator, it is possible to add two vectors now
//for example: C = A + B;
public static TwoDimVector operator +(TwoDimVector a, TwoDimVector b)
{
TwoDimPoint newStart = a.Start;
double xLenght = (a.End.X - a.Start.X) + (b.End.X - b.Start.X);
double yLenght = (a.End.Y - a.Start.Y) + (b.End.Y - b.Start.Y);
TwoDimPoint newEnd = new TwoDimPoint(a.Start.X + xLenght, a.Start.Y + yLenght);
return new TwoDimVector(newStart, newEnd);
}
public TwoDimVector(TwoDimPoint start, TwoDimPoint end)
{
CountProperties(start, end);
}
public TwoDimVector(string name, TwoDimPoint start, TwoDimPoint end)
{
Name = name;
CountProperties(start, end);
}
//helper method to not repeat the code for * operator
//vector * number, number * vector and vector / number
private static TwoDimPoint[] MultipleVector(double b, TwoDimVector a)
{
TwoDimPoint[] list = new TwoDimPoint[2];
list[0] = a.Start;
double xLenght = (a.End.X - a.Start.X) * b;
double yLenght = (a.End.Y - a.Start.Y) * b;
list[1] = new TwoDimPoint(a.Start.X + xLenght, a.Start.Y + yLenght);
return list;
}
public void CountProperties(TwoDimPoint start, TwoDimPoint end)
{
Start = start;
End = end;
XLenght = End.X - Start.X >= 0 ? End.X - Start.X : Start.X - End.X;
YLenght = End.Y - Start.Y > 0 ? End.Y - Start.Y : Start.Y - End.Y;
Lenght = Math.Sqrt(Math.Pow(XLenght, 2) + Math.Pow(YLenght, 2));
}