private bool MergeRenderableObjs(RenderableObj from, RenderableObj to) { bool ret = false; if (Config.mergeObjectID) { for (int i = 0; i < from.Count; i++) { if (ret) { break; } for (int j = 0; j < to.Count; j++) { ret = MergeCondition(from[i], to[j]); if (ret) { break; } } } if (ret) { to.Add(from); from.Clear(); } } return(ret); }