This engine supports mesh files in DAE format.
In addition to meshes, you can get various information such as skeletons and animations.
Skeletal Animation Process
Parsing of the file proceeds as shown in the diagram above.
Pink is a temporary object for parsing, blue is a resource object, and green is a component object.
Animation Diagram (Korean)
For animation, you need an Animator Component with an Animation object and a Joint Component with a matrix of bones.