void Gource::interactDirs() {
// update quad tree
Bounds2D quadtreebounds = dir_bounds;
quadtreebounds.min -= vec2f(1.0f, 1.0f);
quadtreebounds.max += vec2f(1.0f, 1.0f);
update_dir_tree_time = SDL_GetTicks();
if(dirNodeTree !=0) delete dirNodeTree;
int max_depth = 1;
//dont use deep quad tree initially when all the nodes are in one place
if(dir_bounds.area() > 10000.0) {
max_depth = 6;
}
dirNodeTree = new QuadTree(quadtreebounds, max_depth, 1);
//apply forces with other directories
for(std::map<std::string,RDirNode*>::iterator it = gGourceDirMap.begin(); it!=gGourceDirMap.end(); it++) {
RDirNode* node = it->second;
if(!node->empty()) {
node->updateQuadItemBounds();
dirNodeTree->addItem(node);
}
}
update_dir_tree_time = SDL_GetTicks() - update_dir_tree_time;
root->applyForces(*dirNodeTree);
}
