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-rw-r--r--manuals/chickadee/Grid.html47
1 files changed, 18 insertions, 29 deletions
diff --git a/manuals/chickadee/Grid.html b/manuals/chickadee/Grid.html
index 1b578ac..700d608 100644
--- a/manuals/chickadee/Grid.html
+++ b/manuals/chickadee/Grid.html
@@ -1,6 +1,6 @@
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
-<!-- Copyright (C) 2017, 2018, 2019 David Thompson davet@gnu.org
+<!-- Copyright (C) 2017-2020 David Thompson davet@gnu.org
Permission is granted to copy, distribute and/or modify this document
under the terms of the GNU Free Documentation License, Version 1.3
@@ -18,7 +18,7 @@ Foundation Web site at http://www.gnu.org/licenses/fdl.html.
The document was typeset with
http://www.texinfo.org/ (GNU Texinfo).
-->
-<!-- Created by GNU Texinfo 6.5, http://www.gnu.org/software/texinfo/ -->
+<!-- Created by GNU Texinfo 6.6, http://www.gnu.org/software/texinfo/ -->
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Grid (The Chickadee Game Toolkit)</title>
@@ -38,23 +38,14 @@ http://www.texinfo.org/ (GNU Texinfo).
<!--
a.summary-letter {text-decoration: none}
blockquote.indentedblock {margin-right: 0em}
-blockquote.smallindentedblock {margin-right: 0em; font-size: smaller}
-blockquote.smallquotation {font-size: smaller}
div.display {margin-left: 3.2em}
div.example {margin-left: 3.2em}
div.lisp {margin-left: 3.2em}
-div.smalldisplay {margin-left: 3.2em}
-div.smallexample {margin-left: 3.2em}
-div.smalllisp {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}
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span.nolinebreak {white-space: nowrap}
span.roman {font-family: initial; font-weight: normal}
span.sansserif {font-family: sans-serif; font-weight: normal}
@@ -89,14 +80,12 @@ ul.no-bullet {list-style: none}
</head>
<body lang="en">
-<a name="Grid"></a>
-<div class="header">
+<span id="Grid"></span><div class="header">
<p>
Next: <a href="Matrices.html#Matrices" accesskey="n" rel="next">Matrices</a>, Previous: <a href="Rectangles.html#Rectangles" accesskey="p" rel="prev">Rectangles</a>, Up: <a href="Math.html#Math" accesskey="u" rel="up">Math</a> &nbsp; [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Index.html#Index" title="Index" rel="index">Index</a>]</p>
</div>
<hr>
-<a name="Grid-1"></a>
-<h4 class="subsection">2.2.4 Grid</h4>
+<span id="Grid-1"></span><h4 class="subsection">2.2.4 Grid</h4>
<p>The <code>(chickadee math grid)</code> module provides a simple spatial
partitioning system for axis-aligned bounding boxes
@@ -132,42 +121,42 @@ this filtering technique, a game can resolve collisions between
different objects in different ways.
</p>
<dl>
-<dt><a name="index-make_002dgrid"></a>Procedure: <strong>make-grid</strong> <em>[cell-size 64]</em></dt>
+<dt id="index-make_002dgrid">Procedure: <strong>make-grid</strong> <em>[cell-size 64]</em></dt>
<dd><p>Return a new grid partitioned into <var>cell-size</var> tiles.
</p></dd></dl>
<dl>
-<dt><a name="index-grid_003f"></a>Procedure: <strong>grid?</strong> <em>obj</em></dt>
+<dt id="index-grid_003f">Procedure: <strong>grid?</strong> <em>obj</em></dt>
<dd><p>Return <code>#t</code> if <var>obj</var> is a grid.
</p></dd></dl>
<dl>
-<dt><a name="index-cell_003f"></a>Procedure: <strong>cell?</strong> <em>obj</em></dt>
+<dt id="index-cell_003f">Procedure: <strong>cell?</strong> <em>obj</em></dt>
<dd><p>Return <code>#t</code> if <var>obj</var> is a grid cell.
</p></dd></dl>
<dl>
-<dt><a name="index-cell_002dcount"></a>Procedure: <strong>cell-count</strong> <em>cell</em></dt>
+<dt id="index-cell_002dcount">Procedure: <strong>cell-count</strong> <em>cell</em></dt>
<dd><p>Return the number of items in <var>cell</var>.
</p></dd></dl>
<dl>
-<dt><a name="index-grid_002dcell_002dsize"></a>Procedure: <strong>grid-cell-size</strong> <em>grid</em></dt>
+<dt id="index-grid_002dcell_002dsize">Procedure: <strong>grid-cell-size</strong> <em>grid</em></dt>
<dd><p>Return the cell size of <var>grid</var>.
</p></dd></dl>
<dl>
-<dt><a name="index-grid_002dcell_002dcount"></a>Procedure: <strong>grid-cell-count</strong> <em>grid</em></dt>
+<dt id="index-grid_002dcell_002dcount">Procedure: <strong>grid-cell-count</strong> <em>grid</em></dt>
<dd><p>Return the number of cells currently in <var>grid</var>.
</p></dd></dl>
<dl>
-<dt><a name="index-grid_002ditem_002dcount"></a>Procedure: <strong>grid-item-count</strong> <em>grid</em></dt>
+<dt id="index-grid_002ditem_002dcount">Procedure: <strong>grid-item-count</strong> <em>grid</em></dt>
<dd><p>Return the number of items in <var>grid</var>.
</p></dd></dl>
<dl>
-<dt><a name="index-grid_002dadd"></a>Procedure: <strong>grid-add</strong> <em>grid item x y width height</em></dt>
+<dt id="index-grid_002dadd">Procedure: <strong>grid-add</strong> <em>grid item x y width height</em></dt>
<dd>
<p>Add <var>item</var> to <var>grid</var> represented by the axis-aligned bounding
box whose lower-left corner is at (<var>x</var>, <var>y</var>) and is
@@ -175,17 +164,17 @@ box whose lower-left corner is at (<var>x</var>, <var>y</var>) and is
</p></dd></dl>
<dl>
-<dt><a name="index-grid_002dremove"></a>Procedure: <strong>grid-remove</strong> <em>grid item</em></dt>
+<dt id="index-grid_002dremove">Procedure: <strong>grid-remove</strong> <em>grid item</em></dt>
<dd><p>Return <var>item</var> from <var>grid</var>.
</p></dd></dl>
<dl>
-<dt><a name="index-grid_002dclear"></a>Procedure: <strong>grid-clear</strong> <em>grid</em></dt>
+<dt id="index-grid_002dclear">Procedure: <strong>grid-clear</strong> <em>grid</em></dt>
<dd><p>Remove all items from <var>grid</var>.
</p></dd></dl>
<dl>
-<dt><a name="index-grid_002dmove"></a>Procedure: <strong>grid-move</strong> <em>grid item position filter</em></dt>
+<dt id="index-grid_002dmove">Procedure: <strong>grid-move</strong> <em>grid item position filter</em></dt>
<dd><p>Attempt to move <var>item</var> in <var>grid</var> to <var>position</var> (a 2D
vector) and check for collisions. For each collision, <var>filter</var>
will be called with two arguments: <var>item</var> and the item it collided
@@ -194,18 +183,18 @@ resolve the colliding objects.
</p></dd></dl>
<dl>
-<dt><a name="index-for_002deach_002dcell"></a>Procedure: <strong>for-each-cell</strong> <em>proc grid [rect]</em></dt>
+<dt id="index-for_002deach_002dcell">Procedure: <strong>for-each-cell</strong> <em>proc grid [rect]</em></dt>
<dd><p>Call <var>proc</var> with each cell in <var>grid</var> that intersects
<var>rect</var>, or every cell if <var>rect</var> is <code>#f</code>.
</p></dd></dl>
<dl>
-<dt><a name="index-for_002deach_002ditem"></a>Procedure: <strong>for-each-item</strong> <em>proc grid</em></dt>
+<dt id="index-for_002deach_002ditem">Procedure: <strong>for-each-item</strong> <em>proc grid</em></dt>
<dd><p>Call <var>proc</var> for each item in <var>grid</var>.
</p></dd></dl>
<dl>
-<dt><a name="index-slide"></a>Procedure: <strong>slide</strong> <em>item item-rect other other-rect goal</em></dt>
+<dt id="index-slide">Procedure: <strong>slide</strong> <em>item item-rect other other-rect goal</em></dt>
<dd>
<p>Resolve the collision that occurs between <var>item</var> and <var>other</var>
when moving <var>item-rect</var> to <var>goal</var> by sliding <var>item-rect</var>
generated by cgit v1.2.3 (git 2.25.4) at 2024-11-22 00:36:11 +0000