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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd">
<html>
<head>
<title>Castle Game Engine: X3DNodes: Class TExtrusionNode</title>
<meta name="generator" content="PasDoc 0.13.0">
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<link rel="StyleSheet" type="text/css" href="pasdoc.css">
</head>
<body>
<table class="container"><tr><td class="navigation">
<h2>Castle Game Engine</h2><p><a href="introduction.html" class="navigation">Introduction</a></p><p><a href="AllUnits.html" class="navigation">Units</a></p><p><a href="ClassHierarchy.html" class="navigation">Class Hierarchy</a></p><p><a href="AllClasses.html" class="navigation">Classes, Interfaces, Objects and Records</a></p><p><a href="AllTypes.html" class="navigation">Types</a></p><p><a href="AllVariables.html" class="navigation">Variables</a></p><p><a href="AllConstants.html" class="navigation">Constants</a></p><p><a href="AllFunctions.html" class="navigation">Functions and Procedures</a></p><p><a href="AllIdentifiers.html" class="navigation">Identifiers</a></p></td><td class="content">
<a name="TExtrusionNode"></a><h1 class="cio">Class TExtrusionNode</h1>
<table class="sections wide_list">
<tr>
<td><a class="section" href="#PasDoc-Description">Description</a></td><td><a class="section" href="#PasDoc-Hierarchy">Hierarchy</a></td><td>Fields</td><td><a class="section" href="#PasDoc-Methods">Methods</a></td><td><a class="section" href="#PasDoc-Properties">Properties</a></td></tr></table>
<a name="PasDoc-Description"></a><h2 class="unit">Unit</h2>
<p class="unitlink">
<a  href="X3DNodes.html">X3DNodes</a></p>
<h2 class="declaration">Declaration</h2>
<p class="declaration">
<code>type TExtrusionNode = class(<a class="normal" href="X3DNodes.TAbstractX3DGeometryNode.html">TAbstractX3DGeometryNode</a>)</code></p>
<h2 class="description">Description</h2>
<div class="nodescription">no description available, TAbstractX3DGeometryNode description follows</div><div class="nodescription">no description available, TAbstractGeometryNode description follows</div><p>
Geometry nodes are the only nodes that produces some visible results during rendering. Much of the VRML language is just a method of describing properties how geometry nodes are displayed (materials, transformations, lighting).

<p>A few things that make geometry node special : </p>

<ul class="paragraph_spacing">
  <li><p>Only geometry nodes may have [Local]<a class="normal" href="X3DNodes.TAbstractGeometryNode.html#BoundingBox">BoundingBox</a>.</p></li>
  <li><p> Only geometry nodes define something visible &quot;in usual way&quot; during rendering (Some other nodes in VRML / X3D are visible but in an unusual way, like Background and Fog. These nodes must be rendered in a special way &mdash; they are not affected in any usual way by the current transformation matrix etc.)</p></li>
  <li><p> Geometry nodes are never &quot;grouping nodes&quot;, in particular there's never a geometry node that is (direct or indirect) child of another geometry node. So there's no need to be concerned whether geometry nodes' children are included in things like [Local]<a class="normal" href="X3DNodes.TAbstractGeometryNode.html#BoundingBox">BoundingBox</a> or Triangles/<a class="normal" href="X3DNodes.TAbstractGeometryNode.html#VerticesCount">VerticesCount</a>.</p></li>
  <li><p> Geometry nodes don't affect anything in graph traverse state. (This is important mostly for VRML 1.0, since in newer VRML / X3D &quot;graph traverse state&quot; is not that important.)</p></li>
</ul>

<p>

<p>For X3D, this descends from <a class="normal" href="X3DNodes.TAbstractNode.html">TAbstractNode</a>, and <a class="normal" href="X3DNodes.TAbstractX3DGeometryNode.html">TAbstractX3DGeometryNode</a> descends from us. This way in X3D <a class="normal" href="X3DNodes.TAbstractX3DGeometryNode.html">TAbstractX3DGeometryNode</a> descends from this, and also X3D hierarchy is preserved (X3DGeometryNode must descend from X3DNode).</p>
<a name="PasDoc-Hierarchy"></a><h2 class="hierarchy">Hierarchy</h2>
<ul class="hierarchy"><li class="ancestor">TPersistent</li>
<li class="ancestor"><a class="normal" href="CastleInterfaces.TNonRefCountedInterfacedPersistent.html">TNonRefCountedInterfacedPersistent</a></li>
<li class="ancestor"><a class="normal" href="X3DFields.TX3DFileItem.html">TX3DFileItem</a></li>
<li class="ancestor"><a class="normal" href="X3DNodes.TX3DNode.html">TX3DNode</a></li>
<li class="ancestor"><a class="normal" href="X3DNodes.TAbstractNode.html">TAbstractNode</a></li>
<li class="ancestor"><a class="normal" href="X3DNodes.TAbstractGeometryNode.html">TAbstractGeometryNode</a></li>
<li class="ancestor"><a class="normal" href="X3DNodes.TAbstractX3DGeometryNode.html">TAbstractX3DGeometryNode</a></li>
<li class="thisitem">TExtrusionNode</li></ul><h2 class="overview">Overview</h2>
<a name="PasDoc-Methods"></a><h3 class="summary">Methods</h3>
<table class="summary wide_list">
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<td class="visibility"><a  href="legend.html"><img  src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><code>procedure <b><a  href="X3DNodes.TExtrusionNode.html#DirectEnumerateActive">DirectEnumerateActive</a></b>(Func: <a  href="X3DNodes.html#TEnumerateChildrenFunction">TEnumerateChildrenFunction</a>); override;</code></td>
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<td class="visibility"><a  href="legend.html"><img  src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>procedure <b><a  href="X3DNodes.TExtrusionNode.html#CreateNode">CreateNode</a></b>; override;</code></td>
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<td class="itemcode"><code>class function <b><a  href="X3DNodes.TExtrusionNode.html#ClassNodeTypeName">ClassNodeTypeName</a></b>: string; override;</code></td>
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<td class="itemcode"><code>class function <b><a  href="X3DNodes.TExtrusionNode.html#URNMatching">URNMatching</a></b>(const URN: string): boolean; override;</code></td>
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<td class="visibility"><a  href="legend.html"><img  src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>function <b><a  href="X3DNodes.TExtrusionNode.html#TexCoordField">TexCoordField</a></b>: <a  href="X3DNodes.TSFNode.html">TSFNode</a>; override;</code></td>
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<td class="visibility"><a  href="legend.html"><img  src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>function <b><a  href="X3DNodes.TExtrusionNode.html#SolidField">SolidField</a></b>: <a  href="X3DFields.TSFBool.html">TSFBool</a>; override;</code></td>
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<td class="itemcode"><code>function <b><a  href="X3DNodes.TExtrusionNode.html#ConvexField">ConvexField</a></b>: <a  href="X3DFields.TSFBool.html">TSFBool</a>; override;</code></td>
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<td class="visibility"><a  href="legend.html"><img  src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>function <b><a  href="X3DNodes.TExtrusionNode.html#CrossSection3D">CrossSection3D</a></b>(Index: integer): <a  href="CastleVectors.html#TVector3Single">TVector3Single</a>;</code></td>
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<td class="visibility"><a  href="legend.html"><img  src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>function <b><a  href="X3DNodes.TExtrusionNode.html#SpineClosed">SpineClosed</a></b>: boolean;</code></td>
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<td class="itemcode"><code>function <b><a  href="X3DNodes.TExtrusionNode.html#CrossSectionClosed">CrossSectionClosed</a></b>: boolean;</code></td>
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<td class="itemcode"><code>function <b><a  href="X3DNodes.TExtrusionNode.html#Proxy">Proxy</a></b>(var State: <a  href="X3DNodes.TX3DGraphTraverseState.html">TX3DGraphTraverseState</a>; const OverTriangulate: boolean): <a  href="X3DNodes.TAbstractGeometryNode.html">TAbstractGeometryNode</a>; override;</code></td>
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<td class="itemcode"><code>function <b><a  href="X3DNodes.TExtrusionNode.html#ProxyUsesOverTriangulate">ProxyUsesOverTriangulate</a></b>: boolean; override;</code></td>
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<td class="itemcode"><code>function <b><a  href="X3DNodes.TExtrusionNode.html#LocalBoundingBox">LocalBoundingBox</a></b>(State: <a  href="X3DNodes.TX3DGraphTraverseState.html">TX3DGraphTraverseState</a>; ProxyGeometry: <a  href="X3DNodes.TAbstractGeometryNode.html">TAbstractGeometryNode</a>; ProxyState: <a  href="X3DNodes.TX3DGraphTraverseState.html">TX3DGraphTraverseState</a>): <a  href="CastleBoxes.TBox3D.html">TBox3D</a>; override;</code></td>
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<td class="itemcode"><code>function <b><a  href="X3DNodes.TExtrusionNode.html#BoundingBox">BoundingBox</a></b>(State: <a  href="X3DNodes.TX3DGraphTraverseState.html">TX3DGraphTraverseState</a>; ProxyGeometry: <a  href="X3DNodes.TAbstractGeometryNode.html">TAbstractGeometryNode</a>; ProxyState: <a  href="X3DNodes.TX3DGraphTraverseState.html">TX3DGraphTraverseState</a>): <a  href="CastleBoxes.TBox3D.html">TBox3D</a>; override;</code></td>
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<td class="visibility"><a  href="legend.html"><img  src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>function <b><a  href="X3DNodes.TExtrusionNode.html#TrianglesCount">TrianglesCount</a></b>(State: <a  href="X3DNodes.TX3DGraphTraverseState.html">TX3DGraphTraverseState</a>; OverTriangulate: boolean; ProxyGeometry: <a  href="X3DNodes.TAbstractGeometryNode.html">TAbstractGeometryNode</a>; ProxyState: <a  href="X3DNodes.TX3DGraphTraverseState.html">TX3DGraphTraverseState</a>): Cardinal; override;</code></td>
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<td class="visibility"><a  href="legend.html"><img  src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>function <b><a  href="X3DNodes.TExtrusionNode.html#AutoGenerate3DTexCoords">AutoGenerate3DTexCoords</a></b>: boolean; override;</code></td>
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</table>
<a name="PasDoc-Properties"></a><h3 class="summary">Properties</h3>
<table class="summary wide_list">
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<td class="visibility"><a  href="legend.html"><img  src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>property <b><a  href="X3DNodes.TExtrusionNode.html#EventSet_crossSection">EventSet_crossSection</a></b>: <a  href="X3DFields.TMFVec2fEvent.html">TMFVec2fEvent</a> read FEventSet_crossSection;</code></td>
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<td class="visibility"><a  href="legend.html"><img  src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>property <b><a  href="X3DNodes.TExtrusionNode.html#EventSet_orientation">EventSet_orientation</a></b>: <a  href="X3DFields.TMFRotationEvent.html">TMFRotationEvent</a> read FEventSet_orientation;</code></td>
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<td class="visibility"><a  href="legend.html"><img  src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>property <b><a  href="X3DNodes.TExtrusionNode.html#EventSet_scale">EventSet_scale</a></b>: <a  href="X3DFields.TMFVec2fEvent.html">TMFVec2fEvent</a> read FEventSet_scale;</code></td>
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<td class="visibility"><a  href="legend.html"><img  src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>property <b><a  href="X3DNodes.TExtrusionNode.html#EventSet_spine">EventSet_spine</a></b>: <a  href="X3DFields.TMFVec3fEvent.html">TMFVec3fEvent</a> read FEventSet_spine;</code></td>
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<td class="visibility"><a  href="legend.html"><img  src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>property <b><a  href="X3DNodes.TExtrusionNode.html#FdBeginCap">FdBeginCap</a></b>: <a  href="X3DFields.TSFBool.html">TSFBool</a> read FFdBeginCap;</code></td>
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<td class="visibility"><a  href="legend.html"><img  src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>property <b><a  href="X3DNodes.TExtrusionNode.html#FdCcw">FdCcw</a></b>: <a  href="X3DFields.TSFBool.html">TSFBool</a> read FFdCcw;</code></td>
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<td class="itemcode"><code>property <b><a  href="X3DNodes.TExtrusionNode.html#FdConvex">FdConvex</a></b>: <a  href="X3DFields.TSFBool.html">TSFBool</a> read FFdConvex;</code></td>
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<td class="itemcode"><code>property <b><a  href="X3DNodes.TExtrusionNode.html#FdCreaseAngle">FdCreaseAngle</a></b>: <a  href="X3DFields.TSFFloat.html">TSFFloat</a> read FFdCreaseAngle;</code></td>
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<td class="visibility"><a  href="legend.html"><img  src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>property <b><a  href="X3DNodes.TExtrusionNode.html#FdCrossSection">FdCrossSection</a></b>: <a  href="X3DFields.TMFVec2f.html">TMFVec2f</a> read FFdCrossSection;</code></td>
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<td class="itemcode"><code>property <b><a  href="X3DNodes.TExtrusionNode.html#FdEndCap">FdEndCap</a></b>: <a  href="X3DFields.TSFBool.html">TSFBool</a> read FFdEndCap;</code></td>
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<td class="visibility"><a  href="legend.html"><img  src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>property <b><a  href="X3DNodes.TExtrusionNode.html#FdOrientation">FdOrientation</a></b>: <a  href="X3DFields.TMFRotation.html">TMFRotation</a> read FFdOrientation;</code></td>
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<td class="itemcode"><code>property <b><a  href="X3DNodes.TExtrusionNode.html#FdScale">FdScale</a></b>: <a  href="X3DFields.TMFVec2f.html">TMFVec2f</a> read FFdScale;</code></td>
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<td class="itemcode"><code>property <b><a  href="X3DNodes.TExtrusionNode.html#FdSolid">FdSolid</a></b>: <a  href="X3DFields.TSFBool.html">TSFBool</a> read FFdSolid;</code></td>
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<td class="itemcode"><code>property <b><a  href="X3DNodes.TExtrusionNode.html#FdSpine">FdSpine</a></b>: <a  href="X3DFields.TMFVec3f.html">TMFVec3f</a> read FFdSpine;</code></td>
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<td class="itemcode"><code>property <b><a  href="X3DNodes.TExtrusionNode.html#FdTexCoord">FdTexCoord</a></b>: <a  href="X3DNodes.TSFNode.html">TSFNode</a> read FFdTexCoord;</code></td>
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<h2 class="description">Description</h2>
<h3 class="detail">Methods</h3>
<table class="detail wide_list">
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<td class="visibility"><a  href="legend.html"><img  src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><a name="DirectEnumerateActive"></a><code>procedure <b>DirectEnumerateActive</b>(Func: <a  href="X3DNodes.html#TEnumerateChildrenFunction">TEnumerateChildrenFunction</a>); override;</code></td>
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&nbsp;</td></tr>
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<td class="itemcode"><a name="CreateNode"></a><code>procedure <b>CreateNode</b>; override;</code></td>
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&nbsp;</td></tr>
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<td class="itemcode"><a name="ClassNodeTypeName"></a><code>class function <b>ClassNodeTypeName</b>: string; override;</code></td>
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&nbsp;</td></tr>
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<td class="itemcode"><a name="URNMatching"></a><code>class function <b>URNMatching</b>(const URN: string): boolean; override;</code></td>
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&nbsp;</td></tr>
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<td class="itemcode"><a name="TexCoordField"></a><code>function <b>TexCoordField</b>: <a  href="X3DNodes.TSFNode.html">TSFNode</a>; override;</code></td>
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&nbsp;</td></tr>
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<td class="itemcode"><a name="SolidField"></a><code>function <b>SolidField</b>: <a  href="X3DFields.TSFBool.html">TSFBool</a>; override;</code></td>
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&nbsp;</td></tr>
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<td class="itemcode"><a name="ConvexField"></a><code>function <b>ConvexField</b>: <a  href="X3DFields.TSFBool.html">TSFBool</a>; override;</code></td>
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<td class="itemcode"><a name="CrossSection3D"></a><code>function <b>CrossSection3D</b>(Index: integer): <a  href="CastleVectors.html#TVector3Single">TVector3Single</a>;</code></td>
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For given Index, return appropriate FdCrossIndex item as 3D vertex. That is, uses FdCrossIndex values as X, Z of 3D vertex and sets Y = 0 (that's how Extrusion is defined in VRML / X3D).</p>
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<td class="itemcode"><a name="SpineClosed"></a><code>function <b>SpineClosed</b>: boolean;</code></td>
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<p>
Check is spine closed. This happens when &quot;spine&quot; field is non-empty and it's first and last points are equal.</p>
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<td class="itemcode"><a name="CrossSectionClosed"></a><code>function <b>CrossSectionClosed</b>: boolean;</code></td>
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<p>
Check is crossSection closed. This happens when &quot;crossSection&quot; field is non-empty and it's first and last points are equal.</p>
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<td class="itemcode"><a name="Proxy"></a><code>function <b>Proxy</b>(var State: <a  href="X3DNodes.TX3DGraphTraverseState.html">TX3DGraphTraverseState</a>; const OverTriangulate: boolean): <a  href="X3DNodes.TAbstractGeometryNode.html">TAbstractGeometryNode</a>; override;</code></td>
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<td class="itemcode"><a name="ProxyUsesOverTriangulate"></a><code>function <b>ProxyUsesOverTriangulate</b>: boolean; override;</code></td>
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<td class="itemcode"><a name="LocalBoundingBox"></a><code>function <b>LocalBoundingBox</b>(State: <a  href="X3DNodes.TX3DGraphTraverseState.html">TX3DGraphTraverseState</a>; ProxyGeometry: <a  href="X3DNodes.TAbstractGeometryNode.html">TAbstractGeometryNode</a>; ProxyState: <a  href="X3DNodes.TX3DGraphTraverseState.html">TX3DGraphTraverseState</a>): <a  href="CastleBoxes.TBox3D.html">TBox3D</a>; override;</code></td>
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<td class="itemcode"><a name="BoundingBox"></a><code>function <b>BoundingBox</b>(State: <a  href="X3DNodes.TX3DGraphTraverseState.html">TX3DGraphTraverseState</a>; ProxyGeometry: <a  href="X3DNodes.TAbstractGeometryNode.html">TAbstractGeometryNode</a>; ProxyState: <a  href="X3DNodes.TX3DGraphTraverseState.html">TX3DGraphTraverseState</a>): <a  href="CastleBoxes.TBox3D.html">TBox3D</a>; override;</code></td>
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<td class="itemcode"><a name="TrianglesCount"></a><code>function <b>TrianglesCount</b>(State: <a  href="X3DNodes.TX3DGraphTraverseState.html">TX3DGraphTraverseState</a>; OverTriangulate: boolean; ProxyGeometry: <a  href="X3DNodes.TAbstractGeometryNode.html">TAbstractGeometryNode</a>; ProxyState: <a  href="X3DNodes.TX3DGraphTraverseState.html">TX3DGraphTraverseState</a>): Cardinal; override;</code></td>
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<td class="itemcode"><a name="AutoGenerate3DTexCoords"></a><code>function <b>AutoGenerate3DTexCoords</b>: boolean; override;</code></td>
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<h3 class="detail">Properties</h3>
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<td class="itemcode"><a name="EventSet_crossSection"></a><code>property <b>EventSet_crossSection</b>: <a  href="X3DFields.TMFVec2fEvent.html">TMFVec2fEvent</a> read FEventSet_crossSection;</code></td>
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<td class="itemcode"><a name="EventSet_orientation"></a><code>property <b>EventSet_orientation</b>: <a  href="X3DFields.TMFRotationEvent.html">TMFRotationEvent</a> read FEventSet_orientation;</code></td>
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<td class="itemcode"><a name="EventSet_scale"></a><code>property <b>EventSet_scale</b>: <a  href="X3DFields.TMFVec2fEvent.html">TMFVec2fEvent</a> read FEventSet_scale;</code></td>
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<td class="itemcode"><a name="EventSet_spine"></a><code>property <b>EventSet_spine</b>: <a  href="X3DFields.TMFVec3fEvent.html">TMFVec3fEvent</a> read FEventSet_spine;</code></td>
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<td class="itemcode"><a name="FdBeginCap"></a><code>property <b>FdBeginCap</b>: <a  href="X3DFields.TSFBool.html">TSFBool</a> read FFdBeginCap;</code></td>
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<td class="itemcode"><a name="FdCcw"></a><code>property <b>FdCcw</b>: <a  href="X3DFields.TSFBool.html">TSFBool</a> read FFdCcw;</code></td>
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<td class="itemcode"><a name="FdConvex"></a><code>property <b>FdConvex</b>: <a  href="X3DFields.TSFBool.html">TSFBool</a> read FFdConvex;</code></td>
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<td class="itemcode"><a name="FdCreaseAngle"></a><code>property <b>FdCreaseAngle</b>: <a  href="X3DFields.TSFFloat.html">TSFFloat</a> read FFdCreaseAngle;</code></td>
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<td class="itemcode"><a name="FdCrossSection"></a><code>property <b>FdCrossSection</b>: <a  href="X3DFields.TMFVec2f.html">TMFVec2f</a> read FFdCrossSection;</code></td>
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<td class="itemcode"><a name="FdEndCap"></a><code>property <b>FdEndCap</b>: <a  href="X3DFields.TSFBool.html">TSFBool</a> read FFdEndCap;</code></td>
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<td class="itemcode"><a name="FdOrientation"></a><code>property <b>FdOrientation</b>: <a  href="X3DFields.TMFRotation.html">TMFRotation</a> read FFdOrientation;</code></td>
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<td class="itemcode"><a name="FdScale"></a><code>property <b>FdScale</b>: <a  href="X3DFields.TMFVec2f.html">TMFVec2f</a> read FFdScale;</code></td>
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<td class="itemcode"><a name="FdSolid"></a><code>property <b>FdSolid</b>: <a  href="X3DFields.TSFBool.html">TSFBool</a> read FFdSolid;</code></td>
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<td class="itemcode"><a name="FdSpine"></a><code>property <b>FdSpine</b>: <a  href="X3DFields.TMFVec3f.html">TMFVec3f</a> read FFdSpine;</code></td>
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<td class="itemcode"><a name="FdTexCoord"></a><code>property <b>FdTexCoord</b>: <a  href="X3DNodes.TSFNode.html">TSFNode</a> read FFdTexCoord;</code></td>
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