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<title>Tile Maps (The Chickadee Game Toolkit)</title>
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<span id="Tile-Maps"></span><div class="header">
<p>
Next: <a href="3D-Models.html" accesskey="n" rel="next">3D Models</a>, Previous: <a href="Particles.html" accesskey="p" rel="prev">Particles</a>, Up: <a href="Graphics.html" accesskey="u" rel="up">Graphics</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Index.html" title="Index" rel="index">Index</a>]</p>
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<hr>
<span id="Tile-Maps-1"></span><h4 class="subsection">2.3.8 Tile Maps</h4>
<p>A tile map is a scene created by composing lots of small sprites,
called “tiles”, into a larger image. One program for editing such
maps is called <a href="http://mapeditor.org">Tiled</a>. Chickadee has native
support for loading and rendering Tiled maps in the <code>(chickadee
graphics tile-map)</code> module.
</p>
<dl>
<dt id="index-load_002dtile_002dmap">Procedure: <strong>load-tile-map</strong> <em>file-name</em></dt>
<dd><p>Load the Tiled formatted map in <var>file-name</var> and return a new tile
map object.
</p></dd></dl>
<dl>
<dt id="index-tile_002dmap_003f">Procedure: <strong>tile-map?</strong> <em>obj</em></dt>
<dd><p>Return <code>#t</code> if <var>obj</var> is a tile map.
</p></dd></dl>
<dl>
<dt id="index-tile_002dmap_002dorientation">Procedure: <strong>tile-map-orientation</strong> <em>tile-map</em></dt>
<dd><p>Return the orientation of <var>tile-map</var>.
</p></dd></dl>
<dl>
<dt id="index-tile_002dmap_002dwidth">Procedure: <strong>tile-map-width</strong> <em>tile-map</em></dt>
<dd><p>Return the width of <var>tile-map</var> in tiles.
</p></dd></dl>
<dl>
<dt id="index-tile_002dmap_002dheight">Procedure: <strong>tile-map-height</strong> <em>tile-map</em></dt>
<dd><p>Return the height of <var>tile-map</var> in tiles.
</p></dd></dl>
<dl>
<dt id="index-tile_002dmap_002dtile_002dwidth">Procedure: <strong>tile-map-tile-width</strong> <em>tile-map</em></dt>
<dd><p>Return the width of tiles in <var>tile-map</var>.
</p></dd></dl>
<dl>
<dt id="index-tile_002dmap_002dtile_002dheight">Procedure: <strong>tile-map-tile-height</strong> <em>tile-map</em></dt>
<dd><p>Return the height of tiles in <var>tile-map</var>.
</p></dd></dl>
<dl>
<dt id="index-tile_002dmap_002dtilesets">Procedure: <strong>tile-map-tilesets</strong> <em>tile-map</em></dt>
<dd><p>Return the tilesets for <var>tile-map</var>.
</p></dd></dl>
<dl>
<dt id="index-tile_002dmap_002dlayers">Procedure: <strong>tile-map-layers</strong> <em>tile-map</em></dt>
<dd><p>Return the layers of <var>tile-map</var>.
</p></dd></dl>
<dl>
<dt id="index-tile_002dmap_002dproperties">Procedure: <strong>tile-map-properties</strong> <em>tile-map</em></dt>
<dd><p>Return the custom properties of <var>tile-map</var>.
</p></dd></dl>
<dl>
<dt id="index-point_002d_003etile">Procedure: <strong>point->tile</strong> <em>tile-map x y</em></dt>
<dd><p>Translate the pixel coordinates (<var>x</var>, <var>y</var>) into tile
coordinates.
</p></dd></dl>
<dl>
<dt id="index-draw_002dtile_002dmap">Procedure: <strong>draw-tile-map</strong> <em>tile-map [#:layers] [#:camera] [#:origin] [#:position] [#:scale] [#:rotation] [#:blend-mode] [#:tint] [#:time] [#:chunk-size]</em></dt>
<dd>
<p>Draw the layers of <var>tile-map</var> as viewed from <var>camera</var>, a 2D
vector offset. By default, all layers are drawn. To draw a subset of
the available layers, pass a list of layer ids using the <var>layers</var>
keyword argument.
</p></dd></dl>
<dl>
<dt id="index-tileset_003f">Procedure: <strong>tileset?</strong> <em>obj</em></dt>
<dd><p>Return <code>#t</code> if <var>obj</var> is a tileset.
</p></dd></dl>
<dl>
<dt id="index-tileset_002dname">Procedure: <strong>tileset-name</strong> <em>tileset</em></dt>
<dd><p>Return the name of <var>tileset</var>.
</p></dd></dl>
<dl>
<dt id="index-tileset_002dfirst_002dgid">Procedure: <strong>tileset-first-gid</strong> <em>tileset</em></dt>
<dd><p>Return the starting GID of <var>tileset</var>.
</p></dd></dl>
<dl>
<dt id="index-tileset_002dsize">Procedure: <strong>tileset-size</strong> <em>tileset</em></dt>
<dd><p>Return the number of tiles in <var>tileset</var>.
</p></dd></dl>
<dl>
<dt id="index-tileset_002dtile_002dwidth">Procedure: <strong>tileset-tile-width</strong> <em>tileset</em></dt>
<dd><p>Return the width of tiles in <var>tileset</var>.
</p></dd></dl>
<dl>
<dt id="index-tileset_002dtile_002dheight">Procedure: <strong>tileset-tile-height</strong> <em>tileset</em></dt>
<dd><p>Return the height of tiles in <var>tileset</var>.
</p></dd></dl>
<dl>
<dt id="index-tileset_002datlas">Procedure: <strong>tileset-atlas</strong> <em>tileset</em></dt>
<dd><p>Return the texture atlas for <var>tileset</var>.
</p></dd></dl>
<dl>
<dt id="index-tileset_002dtiles">Procedure: <strong>tileset-tiles</strong> <em>tileset</em></dt>
<dd><p>Return the tiles in <var>tileset</var>.
</p></dd></dl>
<dl>
<dt id="index-tileset_002drows">Procedure: <strong>tileset-rows</strong> <em>tileset</em></dt>
<dd><p>Return the number of rows in <var>tileset</var>.
</p></dd></dl>
<dl>
<dt id="index-tileset_002dcolumns">Procedure: <strong>tileset-columns</strong> <em>tileset</em></dt>
<dd><p>Return the number of columns in <var>tileset</var>.
</p></dd></dl>
<dl>
<dt id="index-tileset_002dproperties">Procedure: <strong>tileset-properties</strong> <em>tileset</em></dt>
<dd><p>Return the custom properties of <var>tileset</var>.
</p></dd></dl>
<dl>
<dt id="index-tile_003f">Procedure: <strong>tile?</strong> <em>obj</em></dt>
<dd><p>Return <code>#t</code> if <var>obj</var> is a tile.
</p></dd></dl>
<dl>
<dt id="index-tile_002did">Procedure: <strong>tile-id</strong> <em>tile</em></dt>
<dd><p>Return the ID of <var>tile</var>.
</p></dd></dl>
<dl>
<dt id="index-tile_002danimation">Procedure: <strong>tile-animation</strong> <em>tile</em></dt>
<dd><p>Return the animation for <var>tile</var>.
</p></dd></dl>
<dl>
<dt id="index-tile_002dproperties">Procedure: <strong>tile-properties</strong> <em>tile</em></dt>
<dd><p>Return the custom properties of <var>tile</var>.
</p></dd></dl>
<dl>
<dt id="index-animation_003f">Procedure: <strong>animation?</strong> <em>obj</em></dt>
<dd><p>Return <code>#t</code> if <var>obj</var> is an animation.
</p></dd></dl>
<dl>
<dt id="index-animation_002dframes">Procedure: <strong>animation-frames</strong> <em>animation</em></dt>
<dd><p>Return a vector of frames in <var>animation</var>.
</p></dd></dl>
<dl>
<dt id="index-animation_002dduration">Procedure: <strong>animation-duration</strong> <em>animation</em></dt>
<dd><p>Return the duration of <var>animation</var>.
</p></dd></dl>
<dl>
<dt id="index-animation_002dframe_003f">Procedure: <strong>animation-frame?</strong> <em>obj</em></dt>
<dd><p>Return <code>#t</code> if <var>obj</var> is an animation frame.
</p></dd></dl>
<dl>
<dt id="index-animation_002dframe_002dtile">Procedure: <strong>animation-frame-tile</strong> <em>frame</em></dt>
<dd><p>Return the tile for <var>frame</var>.
</p></dd></dl>
<dl>
<dt id="index-animation_002dframe_002dduration">Procedure: <strong>animation-frame-duration</strong> <em>frame</em></dt>
<dd><p>Return the duration of <var>frame</var>.
</p></dd></dl>
<dl>
<dt id="index-tile_002dlayer_003f">Procedure: <strong>tile-layer?</strong> <em>obj</em></dt>
<dd><p>Return <code>#t</code> if <var>obj</var> is a tile layer.
</p></dd></dl>
<dl>
<dt id="index-tile_002dlayer_002dname">Procedure: <strong>tile-layer-name</strong> <em>layer</em></dt>
<dd><p>Return the name of <var>layer</var>.
</p></dd></dl>
<dl>
<dt id="index-tile_002dlayer_002dwidth">Procedure: <strong>tile-layer-width</strong> <em>layer</em></dt>
<dd><p>Return the width in tiles of <var>layer</var>.
</p></dd></dl>
<dl>
<dt id="index-tile_002dlayer_002dheight">Procedure: <strong>tile-layer-height</strong> <em>layer</em></dt>
<dd><p>Return the height in tiles of <var>layer</var>.
</p></dd></dl>
<dl>
<dt id="index-tile_002dlayer_002dtiles">Procedure: <strong>tile-layer-tiles</strong> <em>layer</em></dt>
<dd><p>Return the tile data for <var>layer</var>.
</p></dd></dl>
<dl>
<dt id="index-tile_002dlayer_002dproperties">Procedure: <strong>tile-layer-properties</strong> <em>layer</em></dt>
<dd><p>Return the custom properties of <var>layer</var>.
</p></dd></dl>
<dl>
<dt id="index-object_002dlayer_003f">Procedure: <strong>object-layer?</strong> <em>obj</em></dt>
<dd><p>Return <code>#t</code> if <var>obj</var> is an object layer.
</p></dd></dl>
<dl>
<dt id="index-object_002dlayer_002dname">Procedure: <strong>object-layer-name</strong> <em>layer</em></dt>
<dd><p>Return the name of <var>layer</var>.
</p></dd></dl>
<dl>
<dt id="index-object_002dlayer_002dobjects">Procedure: <strong>object-layer-objects</strong> <em>layer</em></dt>
<dd><p>Return the objects for <var>layer</var>.
</p></dd></dl>
<dl>
<dt id="index-object_002dlayer_002dproperties">Procedure: <strong>object-layer-properties</strong> <em>layer</em></dt>
<dd><p>Return the custom properties of <var>layer</var>.
</p></dd></dl>
<dl>
<dt id="index-map_002dobject_003f">Procedure: <strong>map-object?</strong> <em>obj</em></dt>
<dd><p>Return <code>#t</code> if <var>obj</var> is a map object.
</p></dd></dl>
<dl>
<dt id="index-map_002dobject_002did">Procedure: <strong>map-object-id</strong> <em>obj</em></dt>
<dd><p>Return the ID of <var>obj</var>.
</p></dd></dl>
<dl>
<dt id="index-map_002dobject_002dname">Procedure: <strong>map-object-name</strong> <em>obj</em></dt>
<dd><p>Return the name of <var>obj</var>.
</p></dd></dl>
<dl>
<dt id="index-map_002dobject_002dtype">Procedure: <strong>map-object-type</strong> <em>obj</em></dt>
<dd><p>Return the type of <var>obj</var>.
</p></dd></dl>
<dl>
<dt id="index-map_002dobject_002dshape">Procedure: <strong>map-object-shape</strong> <em>obj</em></dt>
<dd><p>Return the shape of <var>obj</var>.
</p></dd></dl>
<dl>
<dt id="index-map_002dobject_002dproperties">Procedure: <strong>map-object-properties</strong> <em>obj</em></dt>
<dd><p>Return the custom properties of <var>obj</var>.
</p></dd></dl>
<dl>
<dt id="index-polygon_003f">Procedure: <strong>polygon?</strong> <em>obj</em></dt>
<dd><p>Return <code>#t</code> if <var>obj</var> is a polygon.
</p></dd></dl>
<dl>
<dt id="index-polygon_002dpoints">Procedure: <strong>polygon-points</strong> <em>polygon</em></dt>
<dd><p>Return the list of points that form <var>polygon</var>.
</p></dd></dl>
<hr>
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