<xr-scene bindready="onScenceReady">

<xr-assets bind:progress="handleAssetsProgress" bind:loaded="handleAssetsLoaded">

<xr-asset-load type="gltf" asset-id="player" src="https://gw.alipayobjects.com/os/OasisHub/440001585/5407/Doggy_Demo.gltf" />

<xr-asset-load type="gltf" id="idle_src" asset-id="npc_idle" src="https://gw.alipayobjects.com/os/OasisHub/440001585/3380/Anim_Idle.gltf" />

</xr-asset-load>

</xr-assets>

</xr-scene>

如何将远程的只包含动画的gltf信息，添加到asset-id=""player"里？也就是说动画是独立分开的。如果有多个动画独立分开，需要样才能合并到asset-id=""player"三维物体上？