public void Draw()
{
graphics.DrawRectangle(new Pen(Brushes.Green), boundary.x - boundary.width,
boundary.y - boundary.height,
boundary.width * 2, boundary.height * 2);
if (divided)
{
QTne.Draw();
QTnw.Draw();
QTse.Draw();
QTsw.Draw();
}
}
public void InsertParticle(Particle p)
{
if (!boundary.ContainsPoint(new Point((int)p.position.X, (int)p.position.Y)))
{
return;
}
if (points.Count < capacity)
{
points.Add(p);
}
else
{
if (!divided)
{
Subdivide();
divided = true;
}
QTne.InsertParticle(p);
QTnw.InsertParticle(p);
QTse.InsertParticle(p);
QTsw.InsertParticle(p);
}
}
