diff options
Diffstat (limited to 'docs/doxygen/nel/a02258.html')
| -rw-r--r-- | docs/doxygen/nel/a02258.html | 1001 |
1 files changed, 1001 insertions, 0 deletions
diff --git a/docs/doxygen/nel/a02258.html b/docs/doxygen/nel/a02258.html new file mode 100644 index 00000000..c571569b --- /dev/null +++ b/docs/doxygen/nel/a02258.html @@ -0,0 +1,1001 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> +<html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"> +<title>NeL: NL3D::CBezierPatch class Reference</title> +<link href="doxygen.css" rel="stylesheet" type="text/css"> +</head><body> +<!-- Generated by Doxygen 1.3.6 --> +<div class="qindex"> <form class="search" action="search.php" method="get"> +<a class="qindex" href="main.html">Main Page</a> | <a class="qindex" href="namespaces.html">Namespace List</a> | <a class="qindex" href="hierarchy.html">Class Hierarchy</a> | <a class="qindex" href="classes.html">Alphabetical List</a> | <a class="qindex" href="annotated.html">Data Structures</a> | <a class="qindex" href="files.html">File List</a> | <a class="qindex" href="namespacemembers.html">Namespace Members</a> | <a class="qindex" href="functions.html">Data Fields</a> | <a class="qindex" href="globals.html">Globals</a> | <a class="qindex" href="pages.html">Related Pages</a> | <span class="search"><u>S</u>earch for <input class="search" type="text" name="query" value="" size="20" accesskey="s"/></span></form></div> +<h1>NL3D::CBezierPatch Class Reference</h1><code>#include <<a class="el" href="a05479.html">bezier_patch.h</a>></code> +<p> +<hr><a name="_details"></a><h2>Detailed Description</h2> +A standard bezier patch of float. (quadpatch only). QuadPatch layout (same notations as 3ds Max SDK).<p> +0 ---s---> 3<p> +A---> ad ---- da <---D | | | | | | v v | ab ia id dc t | | | | | | v ba ib ic cd ^ ^ | | | | B---> bc ---- cb <---C 1 2<p> +<dl compact><dt><b>Author:</b></dt><dd>Lionel Berenguier <p> +Nevrax France </dd></dl> +<dl compact><dt><b>Date:</b></dt><dd>2000 </dd></dl> + +<p> + +<p> +Definition at line <a class="el" href="a05479.html#l00073">73</a> of file <a class="el" href="a05479.html">bezier_patch.h</a>.<table border=0 cellpadding=0 cellspacing=0> +<tr><td></td></tr> +<tr><td colspan=2><br><h2>Public Member Functions</h2></td></tr> +<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="a02258.html#NL3D_1_1CBezierPatcha0">applyMatrix</a> (const <a class="el" href="a02851.html">CMatrix</a> &m)</td></tr> + +<tr><td class="mdescLeft"> </td><td class="mdescRight">Do the matrix transformation m*patch. <a href="#NL3D_1_1CBezierPatcha0"></a><br><br></td></tr> +<tr><td class="memItemLeft" nowrap align=right valign=top> </td><td class="memItemRight" valign=bottom><a class="el" href="a02258.html#NL3D_1_1CBezierPatcha1">CBezierPatch</a> ()</td></tr> + +<tr><td class="mdescLeft"> </td><td class="mdescRight">Constructor: undefined Bezier patch!! <a href="#NL3D_1_1CBezierPatcha1"></a><br><br></td></tr> +<tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="a03128.html">CVector</a> </td><td class="memItemRight" valign=bottom><a class="el" href="a02258.html#NL3D_1_1CBezierPatcha2">eval</a> (float <a class="el" href="a04223.html#a626">s</a>, float <a class="el" href="a04223.html#a627">t</a>) const </td></tr> + +<tr><td class="mdescLeft"> </td><td class="mdescRight">Evaluate. <a href="#NL3D_1_1CBezierPatcha2"></a><br><br></td></tr> +<tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="a03664.html">CVectorD</a> </td><td class="memItemRight" valign=bottom><a class="el" href="a02258.html#NL3D_1_1CBezierPatcha3">evalDouble</a> (double <a class="el" href="a04223.html#a626">s</a>, double <a class="el" href="a04223.html#a627">t</a>) const </td></tr> + +<tr><td class="mdescLeft"> </td><td class="mdescRight">Evaluate, but return a vector double. <a href="#NL3D_1_1CBezierPatcha3"></a><br><br></td></tr> +<tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="a03128.html">CVector</a> </td><td class="memItemRight" valign=bottom><a class="el" href="a02258.html#NL3D_1_1CBezierPatcha4">evalNormal</a> (float <a class="el" href="a04223.html#a626">s</a>, float <a class="el" href="a04223.html#a627">t</a>) const </td></tr> + +<tr><td class="mdescLeft"> </td><td class="mdescRight">Evaluate the normal at (s,t). returned vector is normalized. <a href="#NL3D_1_1CBezierPatcha4"></a><br><br></td></tr> +<tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="a03128.html">CVector</a> </td><td class="memItemRight" valign=bottom><a class="el" href="a02258.html#NL3D_1_1CBezierPatcha5">evalTangentS</a> (float <a class="el" href="a04223.html#a626">s</a>, float <a class="el" href="a04223.html#a627">t</a>) const </td></tr> + +<tr><td class="mdescLeft"> </td><td class="mdescRight">Evaluate the tangentS at (s,t). returned vector is normalized. <a href="#NL3D_1_1CBezierPatcha5"></a><br><br></td></tr> +<tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="a03128.html">CVector</a> </td><td class="memItemRight" valign=bottom><a class="el" href="a02258.html#NL3D_1_1CBezierPatcha6">evalTangentT</a> (float <a class="el" href="a04223.html#a626">s</a>, float <a class="el" href="a04223.html#a627">t</a>) const </td></tr> + +<tr><td class="mdescLeft"> </td><td class="mdescRight">Evaluate the tangentT at (s,t). returned vector is normalized. <a href="#NL3D_1_1CBezierPatcha6"></a><br><br></td></tr> +<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="a02258.html#NL3D_1_1CBezierPatcha7">make</a> (<a class="el" href="a03128.html">CVector</a> vertices[4], <a class="el" href="a03128.html">CVector</a> normals[4])</td></tr> + +<tr><td class="mdescLeft"> </td><td class="mdescRight">complete computation of Vertices, Tangents, and Interiors, provinding the vertices and vertex normals. <a href="#NL3D_1_1CBezierPatcha7"></a><br><br></td></tr> +<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="a02258.html#NL3D_1_1CBezierPatcha8">makeInteriors</a> ()</td></tr> + +<tr><td class="mdescLeft"> </td><td class="mdescRight">make default Interiors, according to Vertices and Tangents. <a href="#NL3D_1_1CBezierPatcha8"></a><br><br></td></tr> +<tr><td colspan="2"><div class="groupHeader">Subdivision.</div></td></tr> +<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="a02258.html#NL3D_1_1CBezierPatchz37_0">subdivideS</a> (<a class="el" href="a02258.html">CBezierPatch</a> &left, <a class="el" href="a02258.html">CBezierPatch</a> &right, float <a class="el" href="a04223.html#a626">s</a>=0.5f) const </td></tr> + +<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="a02258.html#NL3D_1_1CBezierPatchz37_1">subdivideT</a> (<a class="el" href="a02258.html">CBezierPatch</a> &top, <a class="el" href="a02258.html">CBezierPatch</a> &bottom, float <a class="el" href="a04223.html#a627">t</a>=0.5f) const </td></tr> + +<tr><td colspan=2><br><h2>Data Fields</h2></td></tr> +<tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="a03128.html">CVector</a> </td><td class="memItemRight" valign=bottom><a class="el" href="a02258.html#NL3D_1_1CBezierPatcho0">Interiors</a> [4]</td></tr> + +<tr><td class="mdescLeft"> </td><td class="mdescRight">The interiors, ia,ib,ic,id. NB: interiors are points, not vectors. <a href="#NL3D_1_1CBezierPatcho0"></a><br><br></td></tr> +<tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="a03128.html">CVector</a> </td><td class="memItemRight" valign=bottom><a class="el" href="a02258.html#NL3D_1_1CBezierPatcho1">Tangents</a> [8]</td></tr> + +<tr><td class="mdescLeft"> </td><td class="mdescRight">The tangents ab, ba, bc, cb, cd, dc, da, ad. NB: tangents are points, not vectors. <a href="#NL3D_1_1CBezierPatcho1"></a><br><br></td></tr> +<tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="a03128.html">CVector</a> </td><td class="memItemRight" valign=bottom><a class="el" href="a02258.html#NL3D_1_1CBezierPatcho2">Vertices</a> [4]</td></tr> + +<tr><td class="mdescLeft"> </td><td class="mdescRight">The vertices a,b,c,d of the quad patch. <a href="#NL3D_1_1CBezierPatcho2"></a><br><br></td></tr> +</table> +<hr><h2>Constructor & Destructor Documentation</h2> +<a class="anchor" name="NL3D_1_1CBezierPatcha1" doxytag="NL3D::CBezierPatch::CBezierPatch" ></a><p> +<table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> + <tr> + <td class="mdRow"> + <table cellpadding="0" cellspacing="0" border="0"> + <tr> + <td class="md" nowrap valign="top"> NL3D::CBezierPatch::CBezierPatch </td> + <td class="md" valign="top">( </td> + <td class="mdname1" valign="top" nowrap> </td> + <td class="md" valign="top"> ) </td> + <td class="md" nowrap><code> [inline]</code></td> + </tr> + + </table> + </td> + </tr> +</table> +<table cellspacing=5 cellpadding=0 border=0> + <tr> + <td> + + </td> + <td> + +<p> +Constructor: undefined Bezier patch!! +<p> + +<p> +Definition at line <a class="el" href="a05479.html#l00086">86</a> of file <a class="el" href="a05479.html">bezier_patch.h</a>. +<p> +<div class="fragment"><pre>00086 {} +</pre></div> </td> + </tr> +</table> +<hr><h2>Member Function Documentation</h2> +<a class="anchor" name="NL3D_1_1CBezierPatcha0" doxytag="NL3D::CBezierPatch::applyMatrix" ></a><p> +<table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> + <tr> + <td class="mdRow"> + <table cellpadding="0" cellspacing="0" border="0"> + <tr> + <td class="md" nowrap valign="top"> void NL3D::CBezierPatch::applyMatrix </td> + <td class="md" valign="top">( </td> + <td class="md" nowrap valign="top">const <a class="el" href="a02851.html">CMatrix</a> & </td> + <td class="mdname1" valign="top" nowrap> <em>m</em> </td> + <td class="md" valign="top"> ) </td> + <td class="md" nowrap></td> + </tr> + + </table> + </td> + </tr> +</table> +<table cellspacing=5 cellpadding=0 border=0> + <tr> + <td> + + </td> + <td> + +<p> +Do the matrix transformation m*patch. +<p> + +<p> +Definition at line <a class="el" href="a05478.html#l00073">73</a> of file <a class="el" href="a05478.html">bezier_patch.cpp</a>. +<p> +References <a class="el" href="a05479.html#l00081">Interiors</a>, <a class="el" href="a05981.html#l00104">sint</a>, <a class="el" href="a05479.html#l00079">Tangents</a>, and <a class="el" href="a05479.html#l00077">Vertices</a>. +<p> +<div class="fragment"><pre>00074 { +00075 <a class="code" href="a04558.html#a14">sint</a> i; +00076 +00077 <span class="keywordflow">for</span>(i=0;i<4;i++) +00078 <a class="code" href="a02258.html#NL3D_1_1CBezierPatcho2">Vertices</a>[i]= m*<a class="code" href="a02258.html#NL3D_1_1CBezierPatcho2">Vertices</a>[i]; +00079 <span class="keywordflow">for</span>(i=0;i<8;i++) +00080 <a class="code" href="a02258.html#NL3D_1_1CBezierPatcho1">Tangents</a>[i]= m*<a class="code" href="a02258.html#NL3D_1_1CBezierPatcho1">Tangents</a>[i]; +00081 <span class="keywordflow">for</span>(i=0;i<4;i++) +00082 <a class="code" href="a02258.html#NL3D_1_1CBezierPatcho0">Interiors</a>[i]= m*<a class="code" href="a02258.html#NL3D_1_1CBezierPatcho0">Interiors</a>[i]; +00083 } +</pre></div> </td> + </tr> +</table> +<a class="anchor" name="NL3D_1_1CBezierPatcha2" doxytag="NL3D::CBezierPatch::eval" ></a><p> +<table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> + <tr> + <td class="mdRow"> + <table cellpadding="0" cellspacing="0" border="0"> + <tr> + <td class="md" nowrap valign="top"> <a class="el" href="a03128.html">CVector</a> NL3D::CBezierPatch::eval </td> + <td class="md" valign="top">( </td> + <td class="md" nowrap valign="top">float </td> + <td class="mdname" nowrap> <em>s</em>, </td> + </tr> + <tr> + <td class="md" nowrap align="right"></td> + <td></td> + <td class="md" nowrap>float </td> + <td class="mdname" nowrap> <em>t</em></td> + </tr> + <tr> + <td></td> + <td class="md">) </td> + <td class="md" colspan="2"> const</td> + </tr> + + </table> + </td> + </tr> +</table> +<table cellspacing=5 cellpadding=0 border=0> + <tr> + <td> + + </td> + <td> + +<p> +Evaluate. +<p> + +<p> +Definition at line <a class="el" href="a05478.html#l00105">105</a> of file <a class="el" href="a05478.html">bezier_patch.cpp</a>. +<p> +References <a class="el" href="a05479.html#l00081">Interiors</a>, <a class="el" href="a05478.html#l00087">NL3D::mulAdd()</a>, <a class="el" href="a06682.html#l00136">NLMISC::CVector::set()</a>, <a class="el" href="a05479.html#l00079">Tangents</a>, and <a class="el" href="a05479.html#l00077">Vertices</a>. +<p> +Referenced by <a class="el" href="a06155.html#l00955">NL3D::CPatch::appendTileMaterialToRenderList()</a>, <a class="el" href="a06155.html#l01338">NL3D::CPatch::computeVertex()</a>, <a class="el" href="a06162.html#l00294">NL3D::CPatch::createVegetableBlock()</a>, <a class="el" href="a06163.html#l00214">NL3D::CPatchDLMContext::generate()</a>, <a class="el" href="a06162.html#l00050">NL3D::CPatch::generateTileVegetable()</a>, and <a class="el" href="a05876.html#l00089">NL3D::CLandscapeVegetableBlock::init()</a>. +<p> +<div class="fragment"><pre>00106 { +00107 CVector p; +00108 +00109 <span class="keywordtype">float</span> ps2 = ps * ps; +00110 <span class="keywordtype">float</span> ps1 = 1.0f - ps; +00111 <span class="keywordtype">float</span> ps12 = ps1 * ps1; +00112 <span class="keywordtype">float</span> s0 = ps12 * ps1; +00113 <span class="keywordtype">float</span> s1 = 3.0f * ps * ps12; +00114 <span class="keywordtype">float</span> s2 = 3.0f * ps2 * ps1; +00115 <span class="keywordtype">float</span> s3 = ps2 * ps; +00116 <span class="keywordtype">float</span> pt2 = pt * pt; +00117 <span class="keywordtype">float</span> pt1 = 1.0f - pt; +00118 <span class="keywordtype">float</span> pt12 = pt1 * pt1; +00119 <span class="keywordtype">float</span> t0 = pt12 * pt1; +00120 <span class="keywordtype">float</span> t1 = 3.0f * pt * pt12; +00121 <span class="keywordtype">float</span> t2 = 3.0f * pt2 * pt1; +00122 <span class="keywordtype">float</span> t3 = pt2 * pt; +00123 +00124 p.set(0,0,0); +00125 <a class="code" href="a05363.html#a369">mulAdd</a>(p, Vertices[0] , s0 * t0); +00126 <a class="code" href="a05363.html#a369">mulAdd</a>(p, Tangents[7] , s1 * t0); +00127 <a class="code" href="a05363.html#a369">mulAdd</a>(p, Tangents[6] , s2 * t0); +00128 <a class="code" href="a05363.html#a369">mulAdd</a>(p, Vertices[3] , s3 * t0); +00129 <a class="code" href="a05363.html#a369">mulAdd</a>(p, Tangents[0] , s0 * t1); +00130 <a class="code" href="a05363.html#a369">mulAdd</a>(p, Interiors[0], s1 * t1); +00131 <a class="code" href="a05363.html#a369">mulAdd</a>(p, Interiors[3], s2 * t1); +00132 <a class="code" href="a05363.html#a369">mulAdd</a>(p, Tangents[5] , s3 * t1); +00133 <a class="code" href="a05363.html#a369">mulAdd</a>(p, Tangents[1] , s0 * t2); +00134 <a class="code" href="a05363.html#a369">mulAdd</a>(p, Interiors[1], s1 * t2); +00135 <a class="code" href="a05363.html#a369">mulAdd</a>(p, Interiors[2], s2 * t2); +00136 <a class="code" href="a05363.html#a369">mulAdd</a>(p, Tangents[4] , s3 * t2); +00137 <a class="code" href="a05363.html#a369">mulAdd</a>(p, Vertices[1] , s0 * t3); +00138 <a class="code" href="a05363.html#a369">mulAdd</a>(p, Tangents[2] , s1 * t3); +00139 <a class="code" href="a05363.html#a369">mulAdd</a>(p, Tangents[3] , s2 * t3); +00140 <a class="code" href="a05363.html#a369">mulAdd</a>(p, Vertices[2] , s3 * t3); +00141 +00142 <span class="keywordflow">return</span> p; +00143 } +</pre></div> </td> + </tr> +</table> +<a class="anchor" name="NL3D_1_1CBezierPatcha3" doxytag="NL3D::CBezierPatch::evalDouble" ></a><p> +<table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> + <tr> + <td class="mdRow"> + <table cellpadding="0" cellspacing="0" border="0"> + <tr> + <td class="md" nowrap valign="top"> <a class="el" href="a03664.html">CVectorD</a> NL3D::CBezierPatch::evalDouble </td> + <td class="md" valign="top">( </td> + <td class="md" nowrap valign="top">double </td> + <td class="mdname" nowrap> <em>s</em>, </td> + </tr> + <tr> + <td class="md" nowrap align="right"></td> + <td></td> + <td class="md" nowrap>double </td> + <td class="mdname" nowrap> <em>t</em></td> + </tr> + <tr> + <td></td> + <td class="md">) </td> + <td class="md" colspan="2"> const</td> + </tr> + + </table> + </td> + </tr> +</table> +<table cellspacing=5 cellpadding=0 border=0> + <tr> + <td> + + </td> + <td> + +<p> +Evaluate, but return a vector double. +<p> + +<p> +Definition at line <a class="el" href="a05478.html#l00145">145</a> of file <a class="el" href="a05478.html">bezier_patch.cpp</a>. +<p> +References <a class="el" href="a05479.html#l00081">Interiors</a>, <a class="el" href="a05478.html#l00096">NL3D::mulAddD()</a>, <a class="el" href="a06685.html#l00136">NLMISC::CVectorD::set()</a>, <a class="el" href="a05479.html#l00079">Tangents</a>, and <a class="el" href="a05479.html#l00077">Vertices</a>. +<p> +<div class="fragment"><pre>00146 { +00147 <a class="code" href="a03664.html">CVectorD</a> p; +00148 +00149 <span class="keywordtype">double</span> ps2 = ps * ps; +00150 <span class="keywordtype">double</span> ps1 = 1.0f - ps; +00151 <span class="keywordtype">double</span> ps12 = ps1 * ps1; +00152 <span class="keywordtype">double</span> s0 = ps12 * ps1; +00153 <span class="keywordtype">double</span> s1 = 3.0f * ps * ps12; +00154 <span class="keywordtype">double</span> s2 = 3.0f * ps2 * ps1; +00155 <span class="keywordtype">double</span> s3 = ps2 * ps; +00156 <span class="keywordtype">double</span> pt2 = pt * pt; +00157 <span class="keywordtype">double</span> pt1 = 1.0f - pt; +00158 <span class="keywordtype">double</span> pt12 = pt1 * pt1; +00159 <span class="keywordtype">double</span> t0 = pt12 * pt1; +00160 <span class="keywordtype">double</span> t1 = 3.0f * pt * pt12; +00161 <span class="keywordtype">double</span> t2 = 3.0f * pt2 * pt1; +00162 <span class="keywordtype">double</span> t3 = pt2 * pt; +00163 +00164 p.<a class="code" href="a03664.html#NLMISC_1_1CVectorDz2079_9">set</a>(0,0,0); +00165 <a class="code" href="a05363.html#a370">mulAddD</a>(p, Vertices[0] , s0 * t0); +00166 <a class="code" href="a05363.html#a370">mulAddD</a>(p, Tangents[7] , s1 * t0); +00167 <a class="code" href="a05363.html#a370">mulAddD</a>(p, Tangents[6] , s2 * t0); +00168 <a class="code" href="a05363.html#a370">mulAddD</a>(p, Vertices[3] , s3 * t0); +00169 <a class="code" href="a05363.html#a370">mulAddD</a>(p, Tangents[0] , s0 * t1); +00170 <a class="code" href="a05363.html#a370">mulAddD</a>(p, Interiors[0], s1 * t1); +00171 <a class="code" href="a05363.html#a370">mulAddD</a>(p, Interiors[3], s2 * t1); +00172 <a class="code" href="a05363.html#a370">mulAddD</a>(p, Tangents[5] , s3 * t1); +00173 <a class="code" href="a05363.html#a370">mulAddD</a>(p, Tangents[1] , s0 * t2); +00174 <a class="code" href="a05363.html#a370">mulAddD</a>(p, Interiors[1], s1 * t2); +00175 <a class="code" href="a05363.html#a370">mulAddD</a>(p, Interiors[2], s2 * t2); +00176 <a class="code" href="a05363.html#a370">mulAddD</a>(p, Tangents[4] , s3 * t2); +00177 <a class="code" href="a05363.html#a370">mulAddD</a>(p, Vertices[1] , s0 * t3); +00178 <a class="code" href="a05363.html#a370">mulAddD</a>(p, Tangents[2] , s1 * t3); +00179 <a class="code" href="a05363.html#a370">mulAddD</a>(p, Tangents[3] , s2 * t3); +00180 <a class="code" href="a05363.html#a370">mulAddD</a>(p, Vertices[2] , s3 * t3); +00181 +00182 <span class="keywordflow">return</span> p; +00183 } +</pre></div> </td> + </tr> +</table> +<a class="anchor" name="NL3D_1_1CBezierPatcha4" doxytag="NL3D::CBezierPatch::evalNormal" ></a><p> +<table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> + <tr> + <td class="mdRow"> + <table cellpadding="0" cellspacing="0" border="0"> + <tr> + <td class="md" nowrap valign="top"> <a class="el" href="a03128.html">CVector</a> NL3D::CBezierPatch::evalNormal </td> + <td class="md" valign="top">( </td> + <td class="md" nowrap valign="top">float </td> + <td class="mdname" nowrap> <em>s</em>, </td> + </tr> + <tr> + <td class="md" nowrap align="right"></td> + <td></td> + <td class="md" nowrap>float </td> + <td class="mdname" nowrap> <em>t</em></td> + </tr> + <tr> + <td></td> + <td class="md">) </td> + <td class="md" colspan="2"> const</td> + </tr> + + </table> + </td> + </tr> +</table> +<table cellspacing=5 cellpadding=0 border=0> + <tr> + <td> + + </td> + <td> + +<p> +Evaluate the normal at (s,t). returned vector is normalized. +<p> + +<p> +Definition at line <a class="el" href="a05478.html#l00187">187</a> of file <a class="el" href="a05478.html">bezier_patch.cpp</a>. +<p> +References <a class="el" href="a05479.html#l00081">Interiors</a>, <a class="el" href="a05478.html#l00087">NL3D::mulAdd()</a>, <a class="el" href="a06682.html#l00119">NLMISC::CVector::normalize()</a>, <a class="el" href="a06682.html#l00136">NLMISC::CVector::set()</a>, <a class="el" href="a05479.html#l00079">Tangents</a>, and <a class="el" href="a05479.html#l00077">Vertices</a>. +<p> +Referenced by <a class="el" href="a06155.html#l00955">NL3D::CPatch::appendTileMaterialToRenderList()</a>, <a class="el" href="a06768.html#l02045">NL3D::CZoneLighter::buildZoneInformation()</a>, <a class="el" href="a06158.html#l00874">NL3D::CPatch::computeNoise()</a>, <a class="el" href="a06158.html#l00728">NL3D::CPatch::computeNormalCornerSmooth()</a>, <a class="el" href="a06158.html#l00588">NL3D::CPatch::computeNormalEdgeSmooth()</a>, <a class="el" href="a06158.html#l00675">NL3D::CPatch::computeNormalOnNeighbor()</a>, <a class="el" href="a06163.html#l00214">NL3D::CPatchDLMContext::generate()</a>, <a class="el" href="a06162.html#l00050">NL3D::CPatch::generateTileVegetable()</a>, <a class="el" href="a06768.html#l01506">NL3D::CZoneLighter::getNormal()</a>, and <a class="el" href="a06768.html#l03346">NL3D::CZoneLighter::processZonePointLightRT()</a>. +<p> +<div class="fragment"><pre>00188 { +00189 CVector tgtS, tgtT; +00190 +00191 <span class="keywordtype">float</span> s0,s1,s2,s3; +00192 <span class="keywordtype">float</span> t0,t1,t2,t3; +00193 <span class="keywordtype">float</span> ps2 = ps * ps; +00194 <span class="keywordtype">float</span> ps1 = 1.0f - ps; +00195 <span class="keywordtype">float</span> ps12 = ps1 * ps1; +00196 <span class="keywordtype">float</span> pt2 = pt * pt; +00197 <span class="keywordtype">float</span> pt1 = 1.0f - pt; +00198 <span class="keywordtype">float</span> pt12 = pt1 * pt1; +00199 +00200 <span class="comment">// Compute tangentS</span> +00201 <span class="comment">//=================</span> +00202 <span class="comment">// s/ds.</span> +00203 s0 = -3* ps12; +00204 s1 = 9*ps2 + 3 -12*ps; +00205 s2 =-9*ps2 + 6*ps ; +00206 s3 = 3* ps2; +00207 <span class="comment">// t/dt.</span> +00208 t0 = pt12 * pt1; +00209 t1 = 3.0f * pt * pt12; +00210 t2 = 3.0f * pt2 * pt1; +00211 t3 = pt2 * pt; +00212 +00213 tgtS.set(0,0,0); +00214 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtS, Vertices[0] , s0 * t0); +00215 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtS, Tangents[7] , s1 * t0); +00216 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtS, Tangents[6] , s2 * t0); +00217 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtS, Vertices[3] , s3 * t0); +00218 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtS, Tangents[0] , s0 * t1); +00219 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtS, Interiors[0], s1 * t1); +00220 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtS, Interiors[3], s2 * t1); +00221 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtS, Tangents[5] , s3 * t1); +00222 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtS, Tangents[1] , s0 * t2); +00223 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtS, Interiors[1], s1 * t2); +00224 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtS, Interiors[2], s2 * t2); +00225 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtS, Tangents[4] , s3 * t2); +00226 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtS, Vertices[1] , s0 * t3); +00227 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtS, Tangents[2] , s1 * t3); +00228 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtS, Tangents[3] , s2 * t3); +00229 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtS, Vertices[2] , s3 * t3); +00230 +00231 <span class="comment">// Compute tangentT</span> +00232 <span class="comment">//=================</span> +00233 <span class="comment">// s/ds.</span> +00234 s0 = ps12 * ps1; +00235 s1 = 3.0f * ps * ps12; +00236 s2 = 3.0f * ps2 * ps1; +00237 s3 = ps2 * ps; +00238 <span class="comment">// t/dt.</span> +00239 t0 = -3* pt12; +00240 t1 = 9*pt2 + 3 -12*pt; +00241 t2 =-9*pt2 + 6*pt ; +00242 t3 = 3* pt2; +00243 +00244 tgtT.set(0,0,0); +00245 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtT, Vertices[0] , s0 * t0); +00246 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtT, Tangents[7] , s1 * t0); +00247 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtT, Tangents[6] , s2 * t0); +00248 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtT, Vertices[3] , s3 * t0); +00249 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtT, Tangents[0] , s0 * t1); +00250 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtT, Interiors[0], s1 * t1); +00251 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtT, Interiors[3], s2 * t1); +00252 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtT, Tangents[5] , s3 * t1); +00253 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtT, Tangents[1] , s0 * t2); +00254 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtT, Interiors[1], s1 * t2); +00255 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtT, Interiors[2], s2 * t2); +00256 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtT, Tangents[4] , s3 * t2); +00257 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtT, Vertices[1] , s0 * t3); +00258 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtT, Tangents[2] , s1 * t3); +00259 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtT, Tangents[3] , s2 * t3); +00260 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtT, Vertices[2] , s3 * t3); +00261 +00262 +00263 <span class="comment">// Return the normal.</span> +00264 CVector norm= tgtT^tgtS; +00265 norm.normalize(); +00266 <span class="keywordflow">return</span> norm; +00267 } +</pre></div> </td> + </tr> +</table> +<a class="anchor" name="NL3D_1_1CBezierPatcha5" doxytag="NL3D::CBezierPatch::evalTangentS" ></a><p> +<table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> + <tr> + <td class="mdRow"> + <table cellpadding="0" cellspacing="0" border="0"> + <tr> + <td class="md" nowrap valign="top"> <a class="el" href="a03128.html">CVector</a> NL3D::CBezierPatch::evalTangentS </td> + <td class="md" valign="top">( </td> + <td class="md" nowrap valign="top">float </td> + <td class="mdname" nowrap> <em>s</em>, </td> + </tr> + <tr> + <td class="md" nowrap align="right"></td> + <td></td> + <td class="md" nowrap>float </td> + <td class="mdname" nowrap> <em>t</em></td> + </tr> + <tr> + <td></td> + <td class="md">) </td> + <td class="md" colspan="2"> const</td> + </tr> + + </table> + </td> + </tr> +</table> +<table cellspacing=5 cellpadding=0 border=0> + <tr> + <td> + + </td> + <td> + +<p> +Evaluate the tangentS at (s,t). returned vector is normalized. +<p> + +<p> +Definition at line <a class="el" href="a05478.html#l00271">271</a> of file <a class="el" href="a05478.html">bezier_patch.cpp</a>. +<p> +References <a class="el" href="a05479.html#l00081">Interiors</a>, <a class="el" href="a05478.html#l00087">NL3D::mulAdd()</a>, <a class="el" href="a06682.html#l00125">NLMISC::CVector::normed()</a>, <a class="el" href="a06682.html#l00136">NLMISC::CVector::set()</a>, <a class="el" href="a05479.html#l00079">Tangents</a>, and <a class="el" href="a05479.html#l00077">Vertices</a>. +<p> +<div class="fragment"><pre>00272 { +00273 CVector tgtS; +00274 +00275 <span class="keywordtype">float</span> s0,s1,s2,s3; +00276 <span class="keywordtype">float</span> t0,t1,t2,t3; +00277 <span class="keywordtype">float</span> ps2 = ps * ps; +00278 <span class="keywordtype">float</span> ps1 = 1.0f - ps; +00279 <span class="keywordtype">float</span> ps12 = ps1 * ps1; +00280 <span class="keywordtype">float</span> pt2 = pt * pt; +00281 <span class="keywordtype">float</span> pt1 = 1.0f - pt; +00282 <span class="keywordtype">float</span> pt12 = pt1 * pt1; +00283 +00284 <span class="comment">// Compute tangentS</span> +00285 <span class="comment">//=================</span> +00286 <span class="comment">// s/ds.</span> +00287 s0 = -3* ps12; +00288 s1 = 9*ps2 + 3 -12*ps; +00289 s2 =-9*ps2 + 6*ps ; +00290 s3 = 3* ps2; +00291 <span class="comment">// t/dt.</span> +00292 t0 = pt12 * pt1; +00293 t1 = 3.0f * pt * pt12; +00294 t2 = 3.0f * pt2 * pt1; +00295 t3 = pt2 * pt; +00296 +00297 tgtS.set(0,0,0); +00298 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtS, Vertices[0] , s0 * t0); +00299 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtS, Tangents[7] , s1 * t0); +00300 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtS, Tangents[6] , s2 * t0); +00301 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtS, Vertices[3] , s3 * t0); +00302 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtS, Tangents[0] , s0 * t1); +00303 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtS, Interiors[0], s1 * t1); +00304 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtS, Interiors[3], s2 * t1); +00305 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtS, Tangents[5] , s3 * t1); +00306 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtS, Tangents[1] , s0 * t2); +00307 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtS, Interiors[1], s1 * t2); +00308 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtS, Interiors[2], s2 * t2); +00309 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtS, Tangents[4] , s3 * t2); +00310 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtS, Vertices[1] , s0 * t3); +00311 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtS, Tangents[2] , s1 * t3); +00312 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtS, Tangents[3] , s2 * t3); +00313 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtS, Vertices[2] , s3 * t3); +00314 +00315 <span class="comment">// Return the tgt normalized</span> +00316 <span class="keywordflow">return</span> tgtS.normed(); +00317 } +</pre></div> </td> + </tr> +</table> +<a class="anchor" name="NL3D_1_1CBezierPatcha6" doxytag="NL3D::CBezierPatch::evalTangentT" ></a><p> +<table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> + <tr> + <td class="mdRow"> + <table cellpadding="0" cellspacing="0" border="0"> + <tr> + <td class="md" nowrap valign="top"> <a class="el" href="a03128.html">CVector</a> NL3D::CBezierPatch::evalTangentT </td> + <td class="md" valign="top">( </td> + <td class="md" nowrap valign="top">float </td> + <td class="mdname" nowrap> <em>s</em>, </td> + </tr> + <tr> + <td class="md" nowrap align="right"></td> + <td></td> + <td class="md" nowrap>float </td> + <td class="mdname" nowrap> <em>t</em></td> + </tr> + <tr> + <td></td> + <td class="md">) </td> + <td class="md" colspan="2"> const</td> + </tr> + + </table> + </td> + </tr> +</table> +<table cellspacing=5 cellpadding=0 border=0> + <tr> + <td> + + </td> + <td> + +<p> +Evaluate the tangentT at (s,t). returned vector is normalized. +<p> + +<p> +Definition at line <a class="el" href="a05478.html#l00321">321</a> of file <a class="el" href="a05478.html">bezier_patch.cpp</a>. +<p> +References <a class="el" href="a05479.html#l00081">Interiors</a>, <a class="el" href="a05478.html#l00087">NL3D::mulAdd()</a>, <a class="el" href="a06682.html#l00125">NLMISC::CVector::normed()</a>, <a class="el" href="a06682.html#l00136">NLMISC::CVector::set()</a>, <a class="el" href="a05479.html#l00079">Tangents</a>, and <a class="el" href="a05479.html#l00077">Vertices</a>. +<p> +<div class="fragment"><pre>00322 { +00323 CVector tgtT; +00324 +00325 <span class="keywordtype">float</span> s0,s1,s2,s3; +00326 <span class="keywordtype">float</span> t0,t1,t2,t3; +00327 <span class="keywordtype">float</span> ps2 = ps * ps; +00328 <span class="keywordtype">float</span> ps1 = 1.0f - ps; +00329 <span class="keywordtype">float</span> ps12 = ps1 * ps1; +00330 <span class="keywordtype">float</span> pt2 = pt * pt; +00331 <span class="keywordtype">float</span> pt1 = 1.0f - pt; +00332 <span class="keywordtype">float</span> pt12 = pt1 * pt1; +00333 +00334 <span class="comment">// Compute tangentT</span> +00335 <span class="comment">//=================</span> +00336 <span class="comment">// s/ds.</span> +00337 s0 = ps12 * ps1; +00338 s1 = 3.0f * ps * ps12; +00339 s2 = 3.0f * ps2 * ps1; +00340 s3 = ps2 * ps; +00341 <span class="comment">// t/dt.</span> +00342 t0 = -3* pt12; +00343 t1 = 9*pt2 + 3 -12*pt; +00344 t2 =-9*pt2 + 6*pt ; +00345 t3 = 3* pt2; +00346 +00347 tgtT.set(0,0,0); +00348 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtT, Vertices[0] , s0 * t0); +00349 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtT, Tangents[7] , s1 * t0); +00350 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtT, Tangents[6] , s2 * t0); +00351 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtT, Vertices[3] , s3 * t0); +00352 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtT, Tangents[0] , s0 * t1); +00353 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtT, Interiors[0], s1 * t1); +00354 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtT, Interiors[3], s2 * t1); +00355 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtT, Tangents[5] , s3 * t1); +00356 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtT, Tangents[1] , s0 * t2); +00357 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtT, Interiors[1], s1 * t2); +00358 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtT, Interiors[2], s2 * t2); +00359 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtT, Tangents[4] , s3 * t2); +00360 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtT, Vertices[1] , s0 * t3); +00361 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtT, Tangents[2] , s1 * t3); +00362 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtT, Tangents[3] , s2 * t3); +00363 <a class="code" href="a05363.html#a369">mulAdd</a>(tgtT, Vertices[2] , s3 * t3); +00364 +00365 <span class="comment">// Return the tgt normalized</span> +00366 <span class="keywordflow">return</span> tgtT.normed(); +00367 } +</pre></div> </td> + </tr> +</table> +<a class="anchor" name="NL3D_1_1CBezierPatcha7" doxytag="NL3D::CBezierPatch::make" ></a><p> +<table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> + <tr> + <td class="mdRow"> + <table cellpadding="0" cellspacing="0" border="0"> + <tr> + <td class="md" nowrap valign="top"> void NL3D::CBezierPatch::make </td> + <td class="md" valign="top">( </td> + <td class="md" nowrap valign="top"><a class="el" href="a03128.html">CVector</a> </td> + <td class="mdname" nowrap> <em>vertices</em>[4], </td> + </tr> + <tr> + <td class="md" nowrap align="right"></td> + <td></td> + <td class="md" nowrap><a class="el" href="a03128.html">CVector</a> </td> + <td class="mdname" nowrap> <em>normals</em>[4]</td> + </tr> + <tr> + <td></td> + <td class="md">) </td> + <td class="md" colspan="2"></td> + </tr> + + </table> + </td> + </tr> +</table> +<table cellspacing=5 cellpadding=0 border=0> + <tr> + <td> + + </td> + <td> + +<p> +complete computation of Vertices, Tangents, and Interiors, provinding the vertices and vertex normals. +<p> + +<p> +Definition at line <a class="el" href="a05478.html#l00036">36</a> of file <a class="el" href="a05478.html">bezier_patch.cpp</a>. +<p> +References <a class="el" href="a05478.html#l00061">makeInteriors()</a>, <a class="el" href="a06682.html#l00115">NLMISC::CVector::norm()</a>, <a class="el" href="a06682.html#l00119">NLMISC::CVector::normalize()</a>, <a class="el" href="a05981.html#l00104">sint</a>, <a class="el" href="a05479.html#l00079">Tangents</a>, and <a class="el" href="a05479.html#l00077">Vertices</a>. +<p> +<div class="fragment"><pre>00037 { +00038 <a class="code" href="a04558.html#a14">sint</a> i; +00039 <span class="keyword">static</span> <a class="code" href="a04558.html#a14">sint</a> starts[8]= {0,1, 1,2, 2,3, 3,0}; +00040 <span class="keyword">static</span> <a class="code" href="a04558.html#a14">sint</a> ends[8]= {1,0, 2,1, 3,2, 0,3}; +00041 +00042 <span class="keywordflow">for</span>(i=0;i<4;i++) +00043 <a class="code" href="a02258.html#NL3D_1_1CBezierPatcho2">Vertices</a>[i]= vertices[i]; +00044 +00045 <span class="comment">// For all tangents.</span> +00046 <span class="keywordflow">for</span>(i=0;i<8;i++) +00047 { +00048 CVector tgt= <a class="code" href="a02258.html#NL3D_1_1CBezierPatcho2">Vertices</a>[ends[i]] - Vertices[starts[i]]; +00049 CVector I,J,K; +00050 J= normals[starts[i]]; +00051 I= J^tgt; +00052 K= I^J; +00053 K.normalize(); +00054 <span class="comment">// Yes, we store tangents as position, not vectors...</span> +00055 <a class="code" href="a02258.html#NL3D_1_1CBezierPatcho1">Tangents</a>[i]= Vertices[starts[i]] + K*tgt.norm()/3; +00056 } +00057 +00058 <a class="code" href="a02258.html#NL3D_1_1CBezierPatcha8">makeInteriors</a>(); +00059 } +</pre></div> </td> + </tr> +</table> +<a class="anchor" name="NL3D_1_1CBezierPatcha8" doxytag="NL3D::CBezierPatch::makeInteriors" ></a><p> +<table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> + <tr> + <td class="mdRow"> + <table cellpadding="0" cellspacing="0" border="0"> + <tr> + <td class="md" nowrap valign="top"> void NL3D::CBezierPatch::makeInteriors </td> + <td class="md" valign="top">( </td> + <td class="mdname1" valign="top" nowrap> </td> + <td class="md" valign="top"> ) </td> + <td class="md" nowrap></td> + </tr> + + </table> + </td> + </tr> +</table> +<table cellspacing=5 cellpadding=0 border=0> + <tr> + <td> + + </td> + <td> + +<p> +make default Interiors, according to Vertices and Tangents. +<p> + +<p> +Definition at line <a class="el" href="a05478.html#l00061">61</a> of file <a class="el" href="a05478.html">bezier_patch.cpp</a>. +<p> +References <a class="el" href="a05479.html#l00081">Interiors</a>, <a class="el" href="a05479.html#l00079">Tangents</a>, and <a class="el" href="a05479.html#l00077">Vertices</a>. +<p> +Referenced by <a class="el" href="a05478.html#l00036">make()</a>. +<p> +<div class="fragment"><pre>00062 { +00063 CVector &a = <a class="code" href="a02258.html#NL3D_1_1CBezierPatcho2">Vertices</a>[0]; +00064 CVector &b = Vertices[1]; +00065 CVector &c = Vertices[2]; +00066 CVector &d = Vertices[3]; +00067 <a class="code" href="a02258.html#NL3D_1_1CBezierPatcho0">Interiors</a>[0] = <a class="code" href="a02258.html#NL3D_1_1CBezierPatcho1">Tangents</a>[7] + Tangents[0] - a; +00068 <a class="code" href="a02258.html#NL3D_1_1CBezierPatcho0">Interiors</a>[1] = Tangents[1] + Tangents[2] - b; +00069 <a class="code" href="a02258.html#NL3D_1_1CBezierPatcho0">Interiors</a>[2] = Tangents[3] + Tangents[4] - c; +00070 <a class="code" href="a02258.html#NL3D_1_1CBezierPatcho0">Interiors</a>[3] = Tangents[5] + Tangents[6] - d; +00071 } +</pre></div> </td> + </tr> +</table> +<a class="anchor" name="NL3D_1_1CBezierPatchz37_0" doxytag="NL3D::CBezierPatch::subdivideS" ></a><p> +<table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> + <tr> + <td class="mdRow"> + <table cellpadding="0" cellspacing="0" border="0"> + <tr> + <td class="md" nowrap valign="top"> void NL3D::CBezierPatch::subdivideS </td> + <td class="md" valign="top">( </td> + <td class="md" nowrap valign="top"><a class="el" href="a02258.html">CBezierPatch</a> & </td> + <td class="mdname" nowrap> <em>left</em>, </td> + </tr> + <tr> + <td class="md" nowrap align="right"></td> + <td></td> + <td class="md" nowrap><a class="el" href="a02258.html">CBezierPatch</a> & </td> + <td class="mdname" nowrap> <em>right</em>, </td> + </tr> + <tr> + <td class="md" nowrap align="right"></td> + <td></td> + <td class="md" nowrap>float </td> + <td class="mdname" nowrap> <em>s</em> = 0.5f</td> + </tr> + <tr> + <td></td> + <td class="md">) </td> + <td class="md" colspan="2"> const</td> + </tr> + + </table> + </td> + </tr> +</table> +<table cellspacing=5 cellpadding=0 border=0> + <tr> + <td> + + </td> + <td> + +<p> +Subdivide the bezier patch in 2 bezier patch along s, at s (beetween [0,1]). NB: left goes from 0 to s, right goes from s to 1. +<p> +Definition at line <a class="el" href="a05478.html#l00391">391</a> of file <a class="el" href="a05478.html">bezier_patch.cpp</a>. +<p> +References <a class="el" href="a05479.html#l00130">NL3D::CBezierPatch::CBezierCurve::get()</a>, <a class="el" href="a05479.html#l00081">Interiors</a>, <a class="el" href="a05646.html#l00977">s</a>, <a class="el" href="a05479.html#l00126">NL3D::CBezierPatch::CBezierCurve::set()</a>, <a class="el" href="a05981.html#l00104">sint</a>, <a class="el" href="a05478.html#l00371">NL3D::CBezierPatch::CBezierCurve::subdivide()</a>, <a class="el" href="a05479.html#l00079">Tangents</a>, and <a class="el" href="a05479.html#l00077">Vertices</a>. +<p> +Referenced by <a class="el" href="a06155.html#l00514">NL3D::CPatch::addPatchBlocksInBBoxRecurs()</a>, and <a class="el" href="a06155.html#l00280">NL3D::CPatch::addTrianglesInBBoxRecurs()</a>. +<p> +<div class="fragment"><pre>00392 { +00393 CBezierCurve curveT[4]; +00394 CBezierCurve curveTLeft[4]; +00395 CBezierCurve curveTRight[4]; +00396 +00397 <span class="comment">// Setup horizontal curves.</span> +00398 curveT[0].set(Vertices[0], Tangents[7] , Tangents[6] , Vertices[3]); +00399 curveT[1].set(Tangents[0], Interiors[0], Interiors[3], Tangents[5]); +00400 curveT[2].set(Tangents[1], Interiors[1], Interiors[2], Tangents[4]); +00401 curveT[3].set(Vertices[1], Tangents[2] , Tangents[3] , Vertices[2]); +00402 +00403 <span class="comment">// Subdivide curves.</span> +00404 <span class="keywordflow">for</span>(<a class="code" href="a04558.html#a14">sint</a> i=0;i<4;i++) +00405 curveT[i].subdivide(curveTLeft[i], curveTRight[i], s); +00406 +00407 <span class="comment">// Setup bezier patchs.</span> +00408 <span class="comment">// left.</span> +00409 curveTLeft[0].get(left.Vertices[0], left.Tangents[7] , left.Tangents[6] , left.Vertices[3]); +00410 curveTLeft[1].get(left.Tangents[0], left.Interiors[0], left.Interiors[3], left.Tangents[5]); +00411 curveTLeft[2].get(left.Tangents[1], left.Interiors[1], left.Interiors[2], left.Tangents[4]); +00412 curveTLeft[3].get(left.Vertices[1], left.Tangents[2] , left.Tangents[3] , left.Vertices[2]); +00413 <span class="comment">// right.</span> +00414 curveTRight[0].get(right.Vertices[0], right.Tangents[7] , right.Tangents[6] , right.Vertices[3]); +00415 curveTRight[1].get(right.Tangents[0], right.Interiors[0], right.Interiors[3], right.Tangents[5]); +00416 curveTRight[2].get(right.Tangents[1], right.Interiors[1], right.Interiors[2], right.Tangents[4]); +00417 curveTRight[3].get(right.Vertices[1], right.Tangents[2] , right.Tangents[3] , right.Vertices[2]); +00418 } +</pre></div> </td> + </tr> +</table> +<a class="anchor" name="NL3D_1_1CBezierPatchz37_1" doxytag="NL3D::CBezierPatch::subdivideT" ></a><p> +<table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> + <tr> + <td class="mdRow"> + <table cellpadding="0" cellspacing="0" border="0"> + <tr> + <td class="md" nowrap valign="top"> void NL3D::CBezierPatch::subdivideT </td> + <td class="md" valign="top">( </td> + <td class="md" nowrap valign="top"><a class="el" href="a02258.html">CBezierPatch</a> & </td> + <td class="mdname" nowrap> <em>top</em>, </td> + </tr> + <tr> + <td class="md" nowrap align="right"></td> + <td></td> + <td class="md" nowrap><a class="el" href="a02258.html">CBezierPatch</a> & </td> + <td class="mdname" nowrap> <em>bottom</em>, </td> + </tr> + <tr> + <td class="md" nowrap align="right"></td> + <td></td> + <td class="md" nowrap>float </td> + <td class="mdname" nowrap> <em>t</em> = 0.5f</td> + </tr> + <tr> + <td></td> + <td class="md">) </td> + <td class="md" colspan="2"> const</td> + </tr> + + </table> + </td> + </tr> +</table> +<table cellspacing=5 cellpadding=0 border=0> + <tr> + <td> + + </td> + <td> + +<p> +Subdivide the bezier patch in 2 bezier patch along t, at t (beetween [0,1]). NB: top goes from 0 to t, bottom goes from t to 1. +<p> +Definition at line <a class="el" href="a05478.html#l00422">422</a> of file <a class="el" href="a05478.html">bezier_patch.cpp</a>. +<p> +References <a class="el" href="a05479.html#l00130">NL3D::CBezierPatch::CBezierCurve::get()</a>, <a class="el" href="a05479.html#l00081">Interiors</a>, <a class="el" href="a05479.html#l00126">NL3D::CBezierPatch::CBezierCurve::set()</a>, <a class="el" href="a05981.html#l00104">sint</a>, <a class="el" href="a05478.html#l00371">NL3D::CBezierPatch::CBezierCurve::subdivide()</a>, <a class="el" href="a05646.html#l00985">t</a>, <a class="el" href="a05479.html#l00079">Tangents</a>, and <a class="el" href="a05479.html#l00077">Vertices</a>. +<p> +Referenced by <a class="el" href="a06155.html#l00514">NL3D::CPatch::addPatchBlocksInBBoxRecurs()</a>, and <a class="el" href="a06155.html#l00280">NL3D::CPatch::addTrianglesInBBoxRecurs()</a>. +<p> +<div class="fragment"><pre>00423 { +00424 CBezierCurve curveS[4]; +00425 CBezierCurve curveSTop[4]; +00426 CBezierCurve curveSBottom[4]; +00427 +00428 <span class="comment">// Setup vertical curves.</span> +00429 curveS[0].set(Vertices[0], Tangents[0] , Tangents[1] , Vertices[1]); +00430 curveS[1].set(Tangents[7], Interiors[0], Interiors[1], Tangents[2]); +00431 curveS[2].set(Tangents[6], Interiors[3], Interiors[2], Tangents[3]); +00432 curveS[3].set(Vertices[3], Tangents[5] , Tangents[4] , Vertices[2]); +00433 +00434 <span class="comment">// Subdivide curves.</span> +00435 <span class="keywordflow">for</span>(<a class="code" href="a04558.html#a14">sint</a> i=0;i<4;i++) +00436 curveS[i].subdivide(curveSTop[i], curveSBottom[i], t); +00437 +00438 <span class="comment">// Setup bezier patchs.</span> +00439 <span class="comment">// top.</span> +00440 curveSTop[0].get(top.Vertices[0], top.Tangents[0] , top.Tangents[1] , top.Vertices[1]); +00441 curveSTop[1].get(top.Tangents[7], top.Interiors[0], top.Interiors[1], top.Tangents[2]); +00442 curveSTop[2].get(top.Tangents[6], top.Interiors[3], top.Interiors[2], top.Tangents[3]); +00443 curveSTop[3].get(top.Vertices[3], top.Tangents[5] , top.Tangents[4] , top.Vertices[2]); +00444 <span class="comment">// bottom.</span> +00445 curveSBottom[0].get(bottom.Vertices[0], bottom.Tangents[0] , bottom.Tangents[1] , bottom.Vertices[1]); +00446 curveSBottom[1].get(bottom.Tangents[7], bottom.Interiors[0], bottom.Interiors[1], bottom.Tangents[2]); +00447 curveSBottom[2].get(bottom.Tangents[6], bottom.Interiors[3], bottom.Interiors[2], bottom.Tangents[3]); +00448 curveSBottom[3].get(bottom.Vertices[3], bottom.Tangents[5] , bottom.Tangents[4] , bottom.Vertices[2]); +00449 } +</pre></div> </td> + </tr> +</table> +<hr><h2>Field Documentation</h2> +<a class="anchor" name="NL3D_1_1CBezierPatcho0" doxytag="NL3D::CBezierPatch::Interiors" ></a><p> +<table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> + <tr> + <td class="mdRow"> + <table cellpadding="0" cellspacing="0" border="0"> + <tr> + <td class="md" nowrap valign="top"> <a class="el" href="a03128.html">CVector</a> <a class="el" href="a02258.html#NL3D_1_1CBezierPatcho0">NL3D::CBezierPatch::Interiors</a>[4] + </table> + </td> + </tr> +</table> +<table cellspacing=5 cellpadding=0 border=0> + <tr> + <td> + + </td> + <td> + +<p> +The interiors, ia,ib,ic,id. NB: interiors are points, not vectors. +<p> + +<p> +Definition at line <a class="el" href="a05479.html#l00081">81</a> of file <a class="el" href="a05479.html">bezier_patch.h</a>. +<p> +Referenced by <a class="el" href="a06758.html#l01452">NL3D::CZone::applyHeightField()</a>, <a class="el" href="a05478.html#l00073">applyMatrix()</a>, <a class="el" href="a06758.html#l00122">NL3D::CZone::build()</a>, <a class="el" href="a06155.html#l00221">NL3D::CPatch::buildBBoxFromBezierPatch()</a>, <a class="el" href="a05478.html#l00105">eval()</a>, <a class="el" href="a05478.html#l00145">evalDouble()</a>, <a class="el" href="a05478.html#l00187">evalNormal()</a>, <a class="el" href="a05478.html#l00271">evalTangentS()</a>, <a class="el" href="a05478.html#l00321">evalTangentT()</a>, <a class="el" href="a05478.html#l00061">makeInteriors()</a>, <a class="el" href="a06782.html#l00039">NL3D::CZoneTgtSmoother::makeVerticesCoplanar()</a>, <a class="el" href="a06758.html#l00289">NL3D::CZone::retrieve()</a>, <a class="el" href="a06776.html#l00067">NL3D::CZoneSmoother::smoothTangents()</a>, <a class="el" href="a05478.html#l00391">subdivideS()</a>, <a class="el" href="a05478.html#l00422">subdivideT()</a>, <a class="el" href="a06758.html#l01825">NL3D::CPatchInfo::transform()</a>, and <a class="el" href="a06155.html#l00192">NL3D::CPatch::unpack()</a>. </td> + </tr> +</table> +<a class="anchor" name="NL3D_1_1CBezierPatcho1" doxytag="NL3D::CBezierPatch::Tangents" ></a><p> +<table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> + <tr> + <td class="mdRow"> + <table cellpadding="0" cellspacing="0" border="0"> + <tr> + <td class="md" nowrap valign="top"> <a class="el" href="a03128.html">CVector</a> <a class="el" href="a02258.html#NL3D_1_1CBezierPatcho1">NL3D::CBezierPatch::Tangents</a>[8] + </table> + </td> + </tr> +</table> +<table cellspacing=5 cellpadding=0 border=0> + <tr> + <td> + + </td> + <td> + +<p> +The tangents ab, ba, bc, cb, cd, dc, da, ad. NB: tangents are points, not vectors. +<p> + +<p> +Definition at line <a class="el" href="a05479.html#l00079">79</a> of file <a class="el" href="a05479.html">bezier_patch.h</a>. +<p> +Referenced by <a class="el" href="a06758.html#l01452">NL3D::CZone::applyHeightField()</a>, <a class="el" href="a05478.html#l00073">applyMatrix()</a>, <a class="el" href="a06758.html#l00122">NL3D::CZone::build()</a>, <a class="el" href="a06155.html#l00221">NL3D::CPatch::buildBBoxFromBezierPatch()</a>, <a class="el" href="a05478.html#l00105">eval()</a>, <a class="el" href="a05478.html#l00145">evalDouble()</a>, <a class="el" href="a05478.html#l00187">evalNormal()</a>, <a class="el" href="a05478.html#l00271">evalTangentS()</a>, <a class="el" href="a05478.html#l00321">evalTangentT()</a>, <a class="el" href="a05478.html#l00036">make()</a>, <a class="el" href="a05478.html#l00061">makeInteriors()</a>, <a class="el" href="a06782.html#l00039">NL3D::CZoneTgtSmoother::makeVerticesCoplanar()</a>, <a class="el" href="a06758.html#l00289">NL3D::CZone::retrieve()</a>, <a class="el" href="a06776.html#l00067">NL3D::CZoneSmoother::smoothTangents()</a>, <a class="el" href="a05478.html#l00391">subdivideS()</a>, <a class="el" href="a05478.html#l00422">subdivideT()</a>, <a class="el" href="a06758.html#l01825">NL3D::CPatchInfo::transform()</a>, and <a class="el" href="a06155.html#l00192">NL3D::CPatch::unpack()</a>. </td> + </tr> +</table> +<a class="anchor" name="NL3D_1_1CBezierPatcho2" doxytag="NL3D::CBezierPatch::Vertices" ></a><p> +<table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> + <tr> + <td class="mdRow"> + <table cellpadding="0" cellspacing="0" border="0"> + <tr> + <td class="md" nowrap valign="top"> <a class="el" href="a03128.html">CVector</a> <a class="el" href="a02258.html#NL3D_1_1CBezierPatcho2">NL3D::CBezierPatch::Vertices</a>[4] + </table> + </td> + </tr> +</table> +<table cellspacing=5 cellpadding=0 border=0> + <tr> + <td> + + </td> + <td> + +<p> +The vertices a,b,c,d of the quad patch. +<p> + +<p> +Definition at line <a class="el" href="a05479.html#l00077">77</a> of file <a class="el" href="a05479.html">bezier_patch.h</a>. +<p> +Referenced by <a class="el" href="a06758.html#l01452">NL3D::CZone::applyHeightField()</a>, <a class="el" href="a05478.html#l00073">applyMatrix()</a>, <a class="el" href="a06758.html#l00122">NL3D::CZone::build()</a>, <a class="el" href="a06155.html#l00221">NL3D::CPatch::buildBBoxFromBezierPatch()</a>, <a class="el" href="a06155.html#l00206">NL3D::CPatch::computeDefaultErrorSize()</a>, <a class="el" href="a05478.html#l00105">eval()</a>, <a class="el" href="a05478.html#l00145">evalDouble()</a>, <a class="el" href="a05478.html#l00187">evalNormal()</a>, <a class="el" href="a05478.html#l00271">evalTangentS()</a>, <a class="el" href="a05478.html#l00321">evalTangentT()</a>, <a class="el" href="a05478.html#l00036">make()</a>, <a class="el" href="a05478.html#l00061">makeInteriors()</a>, <a class="el" href="a06758.html#l00289">NL3D::CZone::retrieve()</a>, <a class="el" href="a06778.html#l00472">NL3D::CZoneSymmetrisation::setOrientedTileState()</a>, <a class="el" href="a06778.html#l00312">NL3D::CZoneSymmetrisation::setTileState()</a>, <a class="el" href="a05478.html#l00391">subdivideS()</a>, <a class="el" href="a05478.html#l00422">subdivideT()</a>, <a class="el" href="a06758.html#l01825">NL3D::CPatchInfo::transform()</a>, and <a class="el" href="a06155.html#l00192">NL3D::CPatch::unpack()</a>. </td> + </tr> +</table> +<hr>The documentation for this class was generated from the following files:<ul> +<li><a class="el" href="a05479.html">bezier_patch.h</a><li><a class="el" href="a05478.html">bezier_patch.cpp</a></ul> +<hr size="1"><address style="align: right;"><small>Generated on Tue Mar 16 06:44:35 2004 for NeL by +<a href="http://www.doxygen.org/index.html"> +<img src="doxygen.png" alt="doxygen" align="middle" border=0 > +</a>1.3.6 </small></address> +</body> +</html> |