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<span id="Skyboxes-1"></span><h4 class="subsection">5.3.10 Skyboxes</h4>
<p>Skyboxes are used as backgrounds in 3D environments, as well as a
source of ambient lighting data when rendering 3D objects. The
<code>(chickadee graphics skybox)</code> module provides an API for making
skyboxes.
</p>
<dl>
<dt id="index-make_002dskybox">Procedure: <strong>make-skybox</strong> <em>cube-map</em></dt>
<dd><p>Return a new skybox that uses <var>cube-map</var> for a texture.
</p></dd></dl>
<dl>
<dt id="index-skybox_003f">Procedure: <strong>skybox?</strong> <em>obj</em></dt>
<dd><p>Return <code>#t</code> if <var>obj</var> is a skybox.
</p></dd></dl>
<dl>
<dt id="index-skybox_002dcube_002dmap">Procedure: <strong>skybox-cube-map</strong> <em>sky-box</em></dt>
<dd><p>Return the cube map of <var>skybox</var>.
</p></dd></dl>
<dl>
<dt id="index-draw_002dskybox">Procedure: <strong>draw-skybox</strong> <em>skybox view</em></dt>
<dd><p>Render <var>skybox</var> to the screen using the view matrix <var>view</var>.
</p></dd></dl>
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