public Vect div(Vect b)
{
return(new Vect(this.x / b.x, this.y / b.y));
}
public Vect mult(Vect b)
{
return(new Vect(this.x * b.x, this.y * b.y));
}
public Vect sub(Vect b)
{
return(new Vect(this.x - b.x, this.y - b.y));
}
public Vect add(Vect b)
{
return(new Vect(this.x + b.x, this.y + b.y));
}
public void update()
{
vel = pos.sub(oldPos);
oldPos = pos;
pos = pos.add(vel.add(acc));
}
