th style="width:25%;"><code>Key</code></th><td><p>Optional key for image</p></td></tr><tr><th style="width:25%;"><code>tileSize</code></th><td><p>The size of tile in spritesheet</p></td></tr><tr><th style="width:25%;"><code>tileSpacing</code></th><td><p>Offsets to add in spritesheet between tiles</p></td></tr><tr><th style="width:25%;"><code>tileBorder</code></th><td><p>Border to add around tiles (helps to avoid "tearing" problem)</p></td></tr><tr><th style="width:25%;"><code>region</code></th><td><p>Region