/** Returns the world matrix **/
void VRTransform::getWorldMatrix(Matrix& _m, bool parentOnly) {
//if (checkWorldChange()) {
if (true) {
vector<Matrix> tv;
Matrix m;
VRObject* obj = this;
if (parentOnly and obj->getParent() != 0) obj = obj->getParent();
VRTransform* tmp;
while(true) {
if (obj->hasAttachment("transform")) {
tmp = (VRTransform*)obj;
tmp->getMatrix(m);
//cout << "\nPARENT: " << tmp->getName();
//cout << "\n" << m;
tv.push_back(m);
}
if (obj->getParent() == 0) break;
else obj = obj->getParent();
}
WorldTransformation = computeMatrixVector(tv);
}
_m = WorldTransformation;
//if (getName() == "Box") cout << WorldTransformation << endl;
//cout << "\nGETWM: " << getName() << endl << _m << endl;
}
void VRSceneLoader_saveObject(VRObject* p, xmlpp::Element* e) {
if (e == 0) return;
p->save(e);
for (uint i=0; i<p->getChildrenCount(); i++) {
VRObject* c = p->getChild(i);
if (c->getPersistency() == 0) continue; // generated objects are not be saved
if (c->hasAttachment("global")) continue; // global objects are not be saved
//xmlpp::Element* ce = e->add_child(c->getName());
xmlpp::Element* ce = e->add_child("Object");
VRSceneLoader_saveObject(c, ce);
}
}
bool VRTransform::checkWorldChange() {
if (frame == 0) {
frame = 1;
return true;
}
if (hasGraphChanged()) return true;
VRObject* obj = this;
VRTransform* ent;
while(obj) {
if (obj->hasAttachment("transform")) {
ent = (VRTransform*)obj;
if (ent->change) return true;
}
obj = obj->getParent();
}
return false;
}