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diff --git a/manuals/chickadee/Quaternions.html b/manuals/chickadee/Quaternions.html deleted file mode 100644 index be875ee..0000000 --- a/manuals/chickadee/Quaternions.html +++ /dev/null @@ -1,137 +0,0 @@ -<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> -<html> -<!-- Copyright (C) 2017-2023 David Thompson dthompson2@worcester.edu - -Permission is granted to copy, distribute and/or modify this document -under the terms of the GNU Free Documentation License, Version 1.3 -or any later version published by the Free Software Foundation; -with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. -A copy of the license is included in the section entitled "GNU -Free Documentation License". - -A copy of the license is also available from the Free Software -Foundation Web site at http://www.gnu.org/licenses/fdl.html. - - -* Chickadee: (chickadee). Game programming toolkit for Guile. - -The document was typeset with -http://www.texinfo.org/ (GNU Texinfo). - --> -<!-- Created by GNU Texinfo 6.7, http://www.gnu.org/software/texinfo/ --> -<head> -<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> -<title>Quaternions (The Chickadee Game Toolkit)</title> - -<meta name="description" content="Quaternions (The Chickadee Game Toolkit)" /> -<meta name="keywords" content="Quaternions (The Chickadee Game Toolkit)" /> -<meta name="resource-type" content="document" /> -<meta name="distribution" content="global" /> -<meta name="Generator" content="makeinfo" /> -<link href="index.html" rel="start" title="Top" /> -<link href="Index.html" rel="index" title="Index" /> -<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents" /> -<link href="Math.html" rel="up" title="Math" /> -<link href="Easings.html" rel="next" title="Easings" /> -<link href="Matrices.html" rel="prev" title="Matrices" /> -<style type="text/css"> -<!-- -a.summary-letter {text-decoration: none} -blockquote.indentedblock {margin-right: 0em} -div.display {margin-left: 3.2em} -div.example {margin-left: 3.2em} -div.lisp {margin-left: 3.2em} -kbd {font-style: oblique} -pre.display {font-family: inherit} -pre.format {font-family: inherit} -pre.menu-comment {font-family: serif} -pre.menu-preformatted {font-family: serif} -span.nolinebreak {white-space: nowrap} -span.roman {font-family: initial; font-weight: normal} -span.sansserif {font-family: sans-serif; font-weight: normal} -ul.no-bullet {list-style: none} -@media (min-width: 1140px) { - body { - margin-left: 14rem; - margin-right: 4rem; - max-width: 52rem; - } -} - -@media (min-width: 800px) and (max-width: 1140px) { - body { - margin-left: 6rem; - margin-right: 4rem; - max-width: 52rem; - } -} - -@media (max-width: 800px) { - body { - margin: 1rem; - } -} - ---> -</style> -<link rel="stylesheet" type="text/css" href="https://dthompson.us/css/dthompson.css" /> - - -</head> - -<body lang="en"> -<span id="Quaternions"></span><div class="header"> -<p> -Next: <a href="Easings.html" accesskey="n" rel="next">Easings</a>, Previous: <a href="Matrices.html" accesskey="p" rel="prev">Matrices</a>, Up: <a href="Math.html" accesskey="u" rel="up">Math</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> -</div> -<hr /> -<span id="Quaternions-1"></span><h4 class="subsection">5.2.5 Quaternions</h4> - -<p>In game development, the quaternion is most often used to represent -rotations. Why not use a matrix for that, you may ask. Unlike -matrices, quaternions can be interpolated (animated) and produce a -meaningful result. When interpolating two quaternions, there is a -smooth transition from one rotation to another, whereas interpolating -two matrices would yield garbage. -</p> -<dl> -<dt id="index-quaternion">Procedure: <strong>quaternion</strong> <em>x y z w</em></dt> -<dd><p>Return a new quaternion with values <var>x</var>, <var>y</var>, <var>z</var>, and -<var>w</var>. -</p></dd></dl> - -<dl> -<dt id="index-quaternion_003f">Procedure: <strong>quaternion?</strong> <em>obj</em></dt> -<dd><p>Return <code>#t</code> if <var>obj</var> is a quaternion. -</p></dd></dl> - -<dl> -<dt id="index-quaternion_002dw">Procedure: <strong>quaternion-w</strong> <em>q</em></dt> -<dd><p>Return the W component of the quaternion <var>q</var>. -</p></dd></dl> - -<dl> -<dt id="index-quaternion_002dx">Procedure: <strong>quaternion-x</strong> <em>q</em></dt> -<dd><p>Return the X component of the quaternion <var>q</var>. -</p></dd></dl> - -<dl> -<dt id="index-quaternion_002dy">Procedure: <strong>quaternion-y</strong> <em>q</em></dt> -<dd><p>Return the Y component of the quaternion <var>q</var>. -</p></dd></dl> - -<dl> -<dt id="index-quaternion_002dz">Procedure: <strong>quaternion-z</strong> <em>q</em></dt> -<dd><p>Return the Z component of the quaternion <var>q</var>. -</p></dd></dl> - -<dl> -<dt id="index-make_002didentity_002dquaternion">Procedure: <strong>make-identity-quaternion</strong></dt> -<dd><p>Return the identity quaternion. -</p></dd></dl> - - - - -</body> -</html> |