public double DistanceTo(PVector v)
{
var a = v.Copy();
a.Sub(this);
return(a.Mag);
}
public void Sub(PVector v)
{
var vv = v.Copy();
vv.Mult(-1);
Add(vv);
}
public static PVector GetFromRotationRadians(PVector a, double radians)
{
var retVal = a.Copy();
retVal.RotateRadians(radians);
return(retVal);
}
public static PVector Add(PVector a, PVector b)
{
var v1 = a.Copy();
v1.Add(b);
return(v1);
}
public static PVector Sub(PVector a, PVector b)
{
var v1 = a.Copy();
v1.Sub(b);
return(v1);
}
public void ExtendBothSides(double newLength)
{
Scale(MidPoint.Copy(), newLength / Length);
}
