List<CornerInfo> PrepareCornerInfos( string undoLabel ) {
List<Transform> objs = selection.GetSelection();
error = ADError.None;
// load edge info & store the orginal obj position for undo
List<CornerInfo> cornerInfos = new List<CornerInfo>();
foreach( Transform obj in objs ) {
// make sure the Canvas is setup correctly
CanvasRenderer canvasRenderer = obj.GetComponent<CanvasRenderer>();
if( canvasRenderer != null && state.context.type != ContextType.Canvas ) {
error = ADError.CanvasContext;
return null;
}
// make sure NGUI is setup correctly
R2DC_NGUI.NGUIState nguiState = ngui.ValidateState( obj.gameObject );
if( nguiState == R2DC_NGUI.NGUIState.InvalidContext ) {
error = ADError.NGUIContext;
return null;
}
else if( nguiState == R2DC_NGUI.NGUIState.ReflectionError ) {
error = ADError.NGUIReflection;
return null;
}
CornerInfo cornerInfo = new CornerInfo();
cornerInfo.transform = obj;
Vector3[] corners = bounds.GetWorldCorners( obj, state.preferColliders );
if( corners == null ) {
return null;
}
cornerInfo.corners = corners;
cornerInfos.Add( cornerInfo );
Undo.RecordObject( obj.transform, undoLabel );
}
return cornerInfos;
}
