- if (_aCamera!=NULL) { _aCamera -> Delete(); }
- if (_aRenderer!=NULL) { _aRenderer -> Delete(); }
- if (_renWin!=NULL) { _renWin -> Delete(); }
+
+ if (_aCamera!=NULL) { _aCamera -> Delete(); _aCamera=NULL;}
+ if (_aRenderer!=NULL) { _aRenderer -> Delete(); _aRenderer=NULL;}
+ if (_renWin!=NULL) {
+ if(_renWin->GetReferenceCount()==0){
+ _renWin -> Delete(); _renWin=NULL;
+ }
+ }