void TGApp::riverOverlay()
{
for_each(world->rivers.begin(), world->rivers.end(), [&] (pair<pair<int,int>, mRiver*> pr)
{
MapRegion* r1 = world->regions[pr.first.first];
MapRegion* r2 = world->regions[pr.first.second];
ScreenLine* s = new ScreenLine(r1->getLocation(), r2->getLocation());
s->setLineWidth(3);
s->setColor(.1,0.,1,1);
rvOver.push_back(s);
screen->addChild(s);
});
}
