Asset Catalog Format Reference: Sprite Atlas Type

A named sprite atlas created from the image sets contained in the folder. The sprite atlas can be loaded using the textureNamed: method of SKTextureAtlas. Individual images can be loaded using imageNamed: in iOS 9 and later.

Extension

.spriteatlas

Folder Contents

Image sets for each sprite in the atlas.

Contents.json File (Optional)

Metadata, on-demand resource tags, App Slicing properties, and properties for the sprite atlas (Table 25-1).

**Table 25-1**Sprite atlas tags
Key	Type	Description
`info`	Dictionary	Versioning information for the asset catalog.
`author`	String	The application that authored the asset catalog.
`version`	Number	The version of the asset catalog.
`properties`	Dictionary	Properties for the sprite atlas.
`compression-type`	Slot component	The compression used on the item. For the values, see compression-type in Image Set Type.
`provides-namespace`	Boolean	Use the name of the atlas as a path element for accessing any sprites. The name of the atlas is the portion of the folder name before `.spriteatlas`.
`on-demand-resource-tags`	Array of strings	The on-demand resource tags for the sprite atlas.

Sample Contents.json File

        {
   "properties" : {
       "provides-namespace" : true
   },
   "info" : {
      "author" : "com.developerName",
      "version" : 1
   }
}

      