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<a name="Math"></a>
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<a name="Math-1"></a>
<h3 class="section">4.2 Math</h3>

<p>Modeling a virtual world requires a good dose of linear algebra,
trigonometry, and calculus.  Sly comes with modules for 2D/3D/4D
vector math, trigonometry, axis-aligned bounding boxes, quaternions,
4x4 transformation matrices, and interpolation.
</p>
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<tr><td align="left" valign="top">&bull; <a href="Vectors.html#Vectors" accesskey="1">Vectors</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">2D/3D/4D vectors.
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<tr><td align="left" valign="top">&bull; <a href="Rectangles.html#Rectangles" accesskey="2">Rectangles</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Axis-aligned bounding boxes.
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<tr><td align="left" valign="top">&bull; <a href="Transforms.html#Transforms" accesskey="3">Transforms</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">4x4 transformation matrices.
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<tr><td align="left" valign="top">&bull; <a href="Tweens.html#Tweens" accesskey="4">Tweens</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Interpolation between two values.
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<tr><td align="left" valign="top">&bull; <a href="Quaternions.html#Quaternions" accesskey="5">Quaternions</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Representing rotations.
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<tr><td align="left" valign="top">&bull; <a href="Miscellaneous.html#Miscellaneous" accesskey="6">Miscellaneous</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Other useful variables and procedures.
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