void Tree::Divis(const Point* begin, const Point* end, const int& color)
{
double* dl = new double(begin->Range(end));
if(*dl < kleafrate*size/33.3)
{
delete dl;
return;
}
Point middle;
double* rnd = new double(RND());
if(begin->GetX() == end->GetX() || begin->GetY() == end->GetY())
{
int krnd = (*rnd <= 0.5) ? 1 : -1;
if(begin->GetX() == end->GetX())
middle.SetXY(begin->GetX() + ((begin->GetX() + krnd * *dl/2 > 0.0) ?
krnd : -krnd) * *dl/2, min(begin->GetY(), end->GetY()) + *dl/2);
if(begin->GetY() == end->GetY())
middle.SetXY(min(begin->GetX(), end->GetX()) + *dl/2,
begin->GetY() + ((begin->GetY() + krnd * *dl/2 > 0.0) ?
krnd : -krnd) * *dl/2);
}
else if(*rnd <= 0.5) middle.SetXY(begin->GetX(), end->GetY());
else middle.SetXY(end->GetX(), begin->GetY());
delete dl;
double *chance = new double(center.Range(&sun)/middle.Range(&sun));
if(sflowers != 0 && *rnd < 0.025 * *chance)
{
f = middle;
f.Draw(color);
}
else
{
l = middle;
if(*rnd < Fi / *chance / 0.8) l.Draw(color3);
else l.Draw(color4);
}
delete chance;
delete rnd;
Divis(begin, &middle, color);
Divis(&middle, end, color);
}
void
FallLeaves::Draw(BView* view, int32 frame)
{
if (fBackBitmap->Lock()) {
// Clear the offscreen buffer
fBackView->FillRect(fBackView->Bounds());
// Update and draw the leaves
for (int32 i = fLeaves->CountItems() - 1; ; i--) {
Leaf* leaf = fLeaves->ItemAt(i);
if (leaf == NULL)
break;
leaf->Update(TICKS_PER_SECOND);
leaf->Draw(fBackView);
// If the leaf is dead, remove it
if (leaf->IsDead()) {
fZUsed[leaf->Z()] = false;
fLeaves->RemoveItem(leaf);
delete leaf;
}
}
fBackBitmap->Unlock();
}
bool sort = false;
// Add some new leaves if necessary
// to replace any dead ones
while (fLeaves->CountItems() < fAmount) {
fLeaves->AddItem(_CreateLeaf(view, false));
sort = true;
}
// Keep the leaves sorted by Z axis
if (sort)
fLeaves->SortItems(cmpz);
view->DrawBitmap(fBackBitmap);
}