The TiledMap asset is a data format exported by Tiled Map Editor (TiledMap v1.2.0 is supported by Cocos Creator 3.0).
Importing Map Assets
The assets required for using a map are:
.tsxtileset data configuration file (required for some tmx files)
Create TiledMap Assets
Drag the map asset from the Assets panel into the
Tmx file property of the created TiledMap component.
Storage in the Project
For efficient asset management, it is recommended to store the imported
.png files in a separate directory, not mixed with other assets.