public override void Regen(Vista v, bool addToDisplayList = true)
{
ps = v.Scala(p);
if (addToDisplayList)
{
v.AddDL(this, Def.Shape.Nodo, ps.X, ps.Y);
}
}
public void Draw(Graphics g, Vista v, Pen pn)
{
if (active && visible)
{
int i, j;
for (i = imin; i < imax; i++)
{
for (j = jmin; j < jmax; j++)
{
Point p = v.Scala(new Point2D(i * step * Math.Sign(v.Verso.X), j * step * Math.Sign(v.Verso.Y)));
g.DrawLine(pn, p.X - 2, p.Y - 2, p.X + 2, p.Y + 2);
g.DrawLine(pn, p.X - 2, p.Y + 2, p.X + 2, p.Y - 2);
}
}
}
}
public override void Regen(Vista v, bool addToDisplayList = true)
{
Point2D p1 = nd[0].P;
Point2D p2 = nd[1].P;
if ((p1 != null) && (p2 != null))
{
nd[0].Regen(v, false); // Rigenera i nodi di estremità calcolando solo la scala...
nd[1].Regen(v, false); // ... ma senza aggiungerli alla display list
pc = v.Scala(Point2D.Midpoint(nd[0].P, nd[1].P));
Point2D delta = p2 - p1;
rotation = Math.Atan2(delta.Y * Math.Sign(v.Verso.Y), delta.X * Math.Sign(v.Verso.X)) * 180 / Math.PI;
m.Reset(); // Torna alla matrice identità (non richiedo riallocazione)
m.Translate(pc.X, pc.Y);
m.Rotate((float)rotation);
if (addToDisplayList)
{
v.AddDL(this, Def.Shape.Ramo, pc.X, pc.Y);
}
}
}