method fromTextureAtlas

Source

static Future<TextureAtlas> fromTextureAtlas(
    TextureAtlas textureAtlas, String namePrefix, String source, [
    TextureAtlasFormat textureAtlasFormat = TextureAtlasFormat.JSONARRAY]) =>
        textureAtlasFormat.load(new _TextureAtlasLoaderTextureAtlas(
            textureAtlas, namePrefix, source));