public PVector ClosesetPoint(PVector p)
{
var a = FullVector.Copy();
a.RotateDegrees(90);
a.Add(p);
var newLine = new PLine(p, a);
return(Intersection(newLine));
}
public PVector Intersection(PLine b)
{
if (M == b.M)
{
return(null);
}
else
{
var x = (b.B - B) / (M - b.M);
var y = (M * b.B - b.M * B) / (M - b.M);
return(new PVector(x, y));
}
}