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	<id>https://wiki.eduke32.com/w/index.php?action=history&amp;feed=atom&amp;title=Lineintersect</id>
	<title>Lineintersect - Revision history</title>
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	<link rel="alternate" type="text/html" href="https://wiki.eduke32.com/w/index.php?title=Lineintersect&amp;action=history"/>
	<updated>2026-05-20T07:17:19Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
	<generator>MediaWiki 1.47.0-alpha</generator>
	<entry>
		<id>https://wiki.eduke32.com/w/index.php?title=Lineintersect&amp;diff=13970&amp;oldid=prev</id>
		<title>Rob Anybody: second triplet is a point, not a vector</title>
		<link rel="alternate" type="text/html" href="https://wiki.eduke32.com/w/index.php?title=Lineintersect&amp;diff=13970&amp;oldid=prev"/>
		<updated>2020-08-10T07:03:51Z</updated>

		<summary type="html">&lt;p&gt;second triplet is a point, not a vector&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw-interface=&quot;&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 00:03, 10 August 2020&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;&#039;lineintersect&#039;&#039;&#039; &amp;lt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;x&lt;/del&gt;&amp;gt; &amp;lt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;y&lt;/del&gt;&amp;gt; &amp;lt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;z&lt;/del&gt;&amp;gt;  &amp;lt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;vx&lt;/del&gt;&amp;gt; &amp;lt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;vy&lt;/del&gt;&amp;gt; &amp;lt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;vz&lt;/del&gt;&amp;gt;  &amp;lt;x1&amp;gt; &amp;lt;y1&amp;gt;  &amp;lt;x2&amp;gt; &amp;lt;y2&amp;gt;  &amp;lt;intx&amp;gt; &amp;lt;inty&amp;gt; &amp;lt;intz&amp;gt; &amp;lt;ret&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;&#039;lineintersect&#039;&#039;&#039; &amp;lt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;ox&lt;/ins&gt;&amp;gt; &amp;lt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;oy&lt;/ins&gt;&amp;gt; &amp;lt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;oz&lt;/ins&gt;&amp;gt;  &amp;lt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;dx&lt;/ins&gt;&amp;gt; &amp;lt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;dy&lt;/ins&gt;&amp;gt; &amp;lt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;dz&lt;/ins&gt;&amp;gt;  &amp;lt;x1&amp;gt; &amp;lt;y1&amp;gt;  &amp;lt;x2&amp;gt; &amp;lt;y2&amp;gt;  &amp;lt;intx&amp;gt; &amp;lt;inty&amp;gt; &amp;lt;intz&amp;gt; &amp;lt;ret&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Projects &lt;/del&gt;a line &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;from &lt;/del&gt;point &amp;lt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;x&lt;/del&gt;&amp;gt; &amp;lt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;y&lt;/del&gt;&amp;gt; &amp;lt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;z&lt;/del&gt;&amp;gt; &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;along vector &lt;/del&gt;&amp;lt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;vx&lt;/del&gt;&amp;gt; &amp;lt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;vy&lt;/del&gt;&amp;gt; &amp;lt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;vz&lt;/del&gt;&amp;gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;,&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Determines where &lt;/ins&gt;a line &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;defined by origin &lt;/ins&gt;point &amp;lt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;ox&lt;/ins&gt;&amp;gt; &amp;lt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;oy&lt;/ins&gt;&amp;gt; &amp;lt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;oz&lt;/ins&gt;&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;and determines where it &lt;/del&gt;intersects the vertical plane&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;and destination point &lt;/ins&gt;&amp;lt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;dx&lt;/ins&gt;&amp;gt; &amp;lt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;dy&lt;/ins&gt;&amp;gt; &amp;lt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;dz&lt;/ins&gt;&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;defined by the points &amp;lt;x1&amp;gt; &amp;lt;y1&amp;gt; and &amp;lt;x2&amp;gt; &amp;lt;y2&amp;gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;intersects the vertical plane defined by the points &amp;lt;x1&amp;gt; &amp;lt;y1&amp;gt; and &amp;lt;x2&amp;gt; &amp;lt;y2&amp;gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The point of intersection, if any, is returned as &amp;lt;intx&amp;gt; &amp;lt;inty&amp;gt; &amp;lt;intz&amp;gt;,&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The point of intersection, if any, is returned as &amp;lt;intx&amp;gt; &amp;lt;inty&amp;gt; &amp;lt;intz&amp;gt;,&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;with &amp;lt;ret&amp;gt; holding a value of 1 if an intersection exists and 0 otherwise.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;with &amp;lt;ret&amp;gt; holding a value of 1 if an intersection exists and 0 otherwise.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

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&lt;/table&gt;</summary>
		<author><name>Rob Anybody</name></author>
	</entry>
	<entry>
		<id>https://wiki.eduke32.com/w/index.php?title=Lineintersect&amp;diff=13969&amp;oldid=prev</id>
		<title>Rob Anybody: Created page with &quot;&#039;&#039;&#039;lineintersect&#039;&#039;&#039; &lt;x&gt; &lt;y&gt; &lt;z&gt;  &lt;vx&gt; &lt;vy&gt; &lt;vz&gt;  &lt;x1&gt; &lt;y1&gt;  &lt;x2&gt; &lt;y2&gt;  &lt;intx&gt; &lt;inty&gt; &lt;intz&gt; &lt;ret&gt;  Projects a line from point &lt;x&gt; &lt;y&gt; &lt;z&gt; along vector &lt;vx&gt; &lt;vy&gt; &lt;vz&gt;, and dete...&quot;</title>
		<link rel="alternate" type="text/html" href="https://wiki.eduke32.com/w/index.php?title=Lineintersect&amp;diff=13969&amp;oldid=prev"/>
		<updated>2020-08-10T06:37:07Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;&amp;#039;&amp;#039;&amp;#039;lineintersect&amp;#039;&amp;#039;&amp;#039; &amp;lt;x&amp;gt; &amp;lt;y&amp;gt; &amp;lt;z&amp;gt;  &amp;lt;vx&amp;gt; &amp;lt;vy&amp;gt; &amp;lt;vz&amp;gt;  &amp;lt;x1&amp;gt; &amp;lt;y1&amp;gt;  &amp;lt;x2&amp;gt; &amp;lt;y2&amp;gt;  &amp;lt;intx&amp;gt; &amp;lt;inty&amp;gt; &amp;lt;intz&amp;gt; &amp;lt;ret&amp;gt;  Projects a line from point &amp;lt;x&amp;gt; &amp;lt;y&amp;gt; &amp;lt;z&amp;gt; along vector &amp;lt;vx&amp;gt; &amp;lt;vy&amp;gt; &amp;lt;vz&amp;gt;, and dete...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;lineintersect&amp;#039;&amp;#039;&amp;#039; &amp;lt;x&amp;gt; &amp;lt;y&amp;gt; &amp;lt;z&amp;gt;  &amp;lt;vx&amp;gt; &amp;lt;vy&amp;gt; &amp;lt;vz&amp;gt;  &amp;lt;x1&amp;gt; &amp;lt;y1&amp;gt;  &amp;lt;x2&amp;gt; &amp;lt;y2&amp;gt;  &amp;lt;intx&amp;gt; &amp;lt;inty&amp;gt; &amp;lt;intz&amp;gt; &amp;lt;ret&amp;gt;&lt;br /&gt;
&lt;br /&gt;
Projects a line from point &amp;lt;x&amp;gt; &amp;lt;y&amp;gt; &amp;lt;z&amp;gt; along vector &amp;lt;vx&amp;gt; &amp;lt;vy&amp;gt; &amp;lt;vz&amp;gt;,&lt;br /&gt;
and determines where it intersects the vertical plane&lt;br /&gt;
defined by the points &amp;lt;x1&amp;gt; &amp;lt;y1&amp;gt; and &amp;lt;x2&amp;gt; &amp;lt;y2&amp;gt;.&lt;br /&gt;
&lt;br /&gt;
The point of intersection, if any, is returned as &amp;lt;intx&amp;gt; &amp;lt;inty&amp;gt; &amp;lt;intz&amp;gt;,&lt;br /&gt;
with &amp;lt;ret&amp;gt; holding a value of 1 if an intersection exists and 0 otherwise.&lt;/div&gt;</summary>
		<author><name>Rob Anybody</name></author>
	</entry>
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