Object3D: Honor recursive parameter of copy() in subclasses.

[frading]

Description

I've had a situation where I would need to clone a Spotlight or PointLight which had children, but without wanting those children. It did not seem possible as the copy method did not pass the recursive argument to the inherited Object3D.copy method.

So I've added the recursive argument to the copy method of a few classes.

Unless there is a reason of not allowing to pass the recursive argument is intentional, which I may have missed?

[Mugen87]

I think it's good to make this change in order for consistency reasons. Please honor all remaining classes like InstancedMesh, Points or Sprite.

_

[frading]

Ah yes, I missed those. Done now.
And I realise now there are also MorphAnimMesh and LightningStorm which could then do with this in that case, so I've also updated them.

[mrdoob]

Thanks!

[VeinSyct]

The changes in the Object3D is causing error when loading animated gltf "THREE.Object3D.add: object not an instance of THREE.Object3D. undefined"

[Mugen87]

Can you please explain in more detail how this change produce the mentioned error?

The examples load animated glTF assets without issues e.g. https://threejs.org/examples/webgl_animation_skinning_blending

[VeinSyct]

I trace the error at the car engine sound, I think the car engine is obsolete https://github.com/Antonio-R1/engine-sound-generator

[VeinSyct]

release 141 feels fast and lighter,

[Mugen87]

The above project relies on r127dev so there is probably a migration task required if it wants to support latest three.js versions.

[VeinSyct]

There was nothing wrong with the car engine sound https://github.com/Antonio-R1/engine-sound-generator works perfectly with threejs release 141, the error was occurring from my code bug when I load the gltf gltf.scene i fixed it with gltf.scene.children[0]. so sorry guys my bad.