Thanks for your answer.
Hello! I don’t think there’s a particular reason for that, but I might be wrong so I’ll check with @Deltakosh and @sebavan However, all that addChild does is calling setParent, which both AbstractMesh and TransformNode have, so there’s no missing functionality
No special reason, @carolhmj feel free to move it in TransformNode
Thanks for your reply ,we can use setParent.If we support addChild,i can organise my code by another way.
ps:My English is not very good, please forgive me.
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Thanks for your reply .