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diff --git a/manuals/chickadee/Basics.html b/manuals/chickadee/Basics.html deleted file mode 100644 index c968a8c..0000000 --- a/manuals/chickadee/Basics.html +++ /dev/null @@ -1,140 +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>Basics (The Chickadee Game Toolkit)</title> - -<meta name="description" content="Basics (The Chickadee Game Toolkit)" /> -<meta name="keywords" content="Basics (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="Vectors.html" rel="next" title="Vectors" /> -<link href="Math.html" rel="prev" title="Math" /> -<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="Basics"></span><div class="header"> -<p> -Next: <a href="Vectors.html" accesskey="n" rel="next">Vectors</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="Basics-1"></span><h4 class="subsection">5.2.1 Basics</h4> - -<dl> -<dt id="index-pi">Variable: <strong>pi</strong></dt> -<dd><p>An essential constant for all trigonometry. Pi is the ratio of a -circle’s circumferences to its diameter. Since pi is an irrational -number, the <var>pi</var> in Chickadee is a mere floating point -approximation that is “good enough.” -</p></dd></dl> - -<dl> -<dt id="index-pi_002f2">Variable: <strong>pi/2</strong></dt> -<dd><p>Half of <var>pi</var>. -</p></dd></dl> - -<dl> -<dt id="index-tau">Variable: <strong>tau</strong></dt> -<dd><p>Twice <var>pi</var>. -</p></dd></dl> - -<dl> -<dt id="index-cotan">Procedure: <strong>cotan</strong> <em>z</em></dt> -<dd><p>Return the cotangent of <var>z</var>. -</p></dd></dl> - -<dl> -<dt id="index-clamp">Procedure: <strong>clamp</strong> <em>min max x</em></dt> -<dd><p>Restrict <var>x</var> to the inclusive range defined by <var>min</var> and -<var>max</var>. This procedure assumes that <var>min</var> is actually less -than <var>max</var>. -</p></dd></dl> - -<dl> -<dt id="index-lerp">Procedure: <strong>lerp</strong> <em>start end alpha</em></dt> -<dd><p>Linearly interpolate the numbers <var>start</var> and <var>end</var> using the -factor <var>alpha</var>, a number in the range [0, 1]. -</p></dd></dl> - -<dl> -<dt id="index-degrees_002d_003eradians">Procedure: <strong>degrees->radians</strong> <em>degrees</em></dt> -<dd><p>Convert <var>degrees</var> to radians. -</p></dd></dl> - -<dl> -<dt id="index-radians_002d_003edegrees">Procedure: <strong>radians->degrees</strong> <em>radians</em></dt> -<dd><p>Convert <var>radians</var> to degrees. -</p></dd></dl> - - - - -</body> -</html> |