void SceneManager::update(double t, double dt)
{
this->t = t;
this->dt = dt;
if (root != NULL) {
root->updateLocalToWorld(NULL);
mat4d cameraToScreen = getCameraToScreen();
worldToScreen = cameraToScreen * getCameraNode()->getWorldToLocal();
root->updateLocalToCamera(getCameraNode()->getWorldToLocal(), cameraToScreen);
getFrustumPlanes(worldToScreen, worldFrustumPlanes);
computeVisibility(root, PARTIALLY_VISIBLE);
}
}
SceneNode* SceneManager::getSceneNode(const string& name) {
// Early termination for camera node.
SceneNode* node = getCameraNode(name);
if (node) {
return node;
}
SceneNodeIterator iter(getRootSceneNode());
while(iter.hasNext()) {
SceneNode& node = *iter;
const string& nodeName = node.getName();
const NodeID& nodeID = node.getID();
if (nodeName == node.createName(nodeID, name)) {
return iter.current();
}
iter.advance();
}
return NULL;
}