public void PremulAndSetInto(BuffPoint2d p)
{
double x = p.getX() * getM00() + p.getY() * getM10() + getM20();
double y = p.getX() * getM01() + p.getY() * getM11() + getM21();
double z = p.getX() * getM02() + p.getY() * getM12() + getM22();
p.set(x / z, y / z);
}
public Point2d Premul(BuffPoint2d p)
{
double x = p.getX() * getM00() + p.getY() * getM10() + getM20();
double y = p.getX() * getM01() + p.getY() * getM11() + getM21();
double z = p.getX() * getM02() + p.getY() * getM12() + getM22();
return(new Point2d(x / z, y / z));
}
public void PremulAndSetInto(BuffPoint2 p)
{
if (p is BuffVector2d)
{
this.PremulAndSetInto((BuffPoint2d)p);
}
else
{
BuffPoint2d _p = new BuffPoint2d(p);
this.PremulAndSetInto(_p);
_p.getInto(p);
}
}
public double getDistanceL1(BuffPoint2d other)
{
return(Math.Abs(other.getX() - getX())
+ Math.Abs(other.getY() - getY()));
}
public double getDistanceCuad(BuffPoint2d other)
{
return(Square(other.getX() - getX())
+ Square(other.getY() - getY()));
}
public double getDistance(BuffPoint2d other)
{
return(Math.sqrt(getDistanceCuad(other)));
}
