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<h1>igeom/path.h</h1><a href="igeom_2path_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment">    Copyright (C) 2003 by Jorrit Tyberghein</span>
<a name="l00003"></a>00003 <span class="comment"></span>
<a name="l00004"></a>00004 <span class="comment">    This library is free software; you can redistribute it and/or</span>
<a name="l00005"></a>00005 <span class="comment">    modify it under the terms of the GNU Library General Public</span>
<a name="l00006"></a>00006 <span class="comment">    License as published by the Free Software Foundation; either</span>
<a name="l00007"></a>00007 <span class="comment">    version 2 of the License, or (at your option) any later version.</span>
<a name="l00008"></a>00008 <span class="comment"></span>
<a name="l00009"></a>00009 <span class="comment">    This library is distributed in the hope that it will be useful,</span>
<a name="l00010"></a>00010 <span class="comment">    but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00011"></a>00011 <span class="comment">    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU</span>
<a name="l00012"></a>00012 <span class="comment">    Library General Public License for more details.</span>
<a name="l00013"></a>00013 <span class="comment"></span>
<a name="l00014"></a>00014 <span class="comment">    You should have received a copy of the GNU Library General Public</span>
<a name="l00015"></a>00015 <span class="comment">    License along with this library; if not, write to the Free</span>
<a name="l00016"></a>00016 <span class="comment">    Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.</span>
<a name="l00017"></a>00017 <span class="comment">*/</span>
<a name="l00018"></a>00018 
<a name="l00019"></a>00019 <span class="preprocessor">#ifndef __CS_IPATH_H__</span>
<a name="l00020"></a>00020 <span class="preprocessor"></span><span class="preprocessor">#define __CS_IPATH_H__</span>
<a name="l00021"></a>00021 <span class="preprocessor"></span>
<a name="l00022"></a>00022 <span class="preprocessor">#include "<a class="code" href="scf__interface_8h.html" title="Crystal Space Shared Class Facility (SCF) - interface creation support.">csutil/scf_interface.h</a>"</span>
<a name="l00023"></a>00023 
<a name="l00031"></a>00031 <span class="keyword">class </span><a class="code" href="classcsVector3.html" title="A 3D vector.">csVector3</a>;
<a name="l00032"></a>00032 
<a name="l00039"></a><a class="code" href="structiPath.html">00039</a> <span class="keyword">struct </span><a class="code" href="structiPath.html" title="A path in 3D.">iPath</a> : <span class="keyword">public</span> <span class="keyword">virtual</span> <a class="code" href="structiBase.html" title="This is the basic interface: all other interfaces should be derived from this one...">iBase</a>
<a name="l00040"></a>00040 {
<a name="l00041"></a>00041   SCF_INTERFACE(<a class="code" href="structiPath.html" title="A path in 3D.">iPath</a>, 2, 0, 0);
<a name="l00047"></a>00047   <span class="keyword">virtual</span> <span class="keywordtype">int</span> <a class="code" href="structiPath.html#6300eb849fac15fb4961585a7072804b" title="Return the number of points defining the path.">Length</a> () = 0;
<a name="l00048"></a>00048 
<a name="l00050"></a>00050   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="structiPath.html#34bb73a4b272c0202d1ab2d8d785c3b9" title="Calculate internal values for this spline given some time value.">CalculateAtTime</a> (<span class="keywordtype">float</span> time) = 0;
<a name="l00051"></a>00051 
<a name="l00053"></a>00053   <span class="keyword">virtual</span> <span class="keywordtype">int</span> <a class="code" href="structiPath.html#8faa6d1805a45562dd09be4f872cd133" title="Get the index of the current point we are in (valid after Calculate()).">GetCurrentIndex</a> () = 0;
<a name="l00054"></a>00054 
<a name="l00056"></a>00056   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="structiPath.html#6e33aeb34249a3e046096e3dd57ce31c" title="Set the position vectors (first three dimensions of the cubic spline).">SetPositionVectors</a> (<a class="code" href="classcsVector3.html" title="A 3D vector.">csVector3</a>* v) = 0;
<a name="l00057"></a>00057 
<a name="l00059"></a>00059   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="structiPath.html#b1c80e39f9d0556cc06fd627ed442c9d" title="Set the up vectors (dimensions 3 to 5).">SetUpVectors</a> (<a class="code" href="classcsVector3.html" title="A 3D vector.">csVector3</a>* v) = 0;
<a name="l00060"></a>00060 
<a name="l00062"></a>00062   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="structiPath.html#a421f56bb20c22054aa2243c68636a33" title="Set the forward vectors (dimensions 6 to 8).">SetForwardVectors</a> (<a class="code" href="classcsVector3.html" title="A 3D vector.">csVector3</a>* v) = 0;
<a name="l00063"></a>00063 
<a name="l00065"></a>00065   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="structiPath.html#ec60e9750fde3c16691269a9d71bc306" title="Set one position vector.">SetPositionVector</a> (<span class="keywordtype">int</span> idx, <span class="keyword">const</span> <a class="code" href="classcsVector3.html" title="A 3D vector.">csVector3</a>&amp; v) = 0;
<a name="l00066"></a>00066 
<a name="l00068"></a>00068   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="structiPath.html#b1217cfcf26bbc22883b8d0ffb3b105d" title="Set one up vector.">SetUpVector</a> (<span class="keywordtype">int</span> idx, <span class="keyword">const</span> <a class="code" href="classcsVector3.html" title="A 3D vector.">csVector3</a>&amp; v) = 0;
<a name="l00069"></a>00069 
<a name="l00071"></a>00071   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="structiPath.html#2ea9a5f725f22a64cf389f8dd6239495" title="Set one forward vector.">SetForwardVector</a> (<span class="keywordtype">int</span> idx, <span class="keyword">const</span> <a class="code" href="classcsVector3.html" title="A 3D vector.">csVector3</a>&amp; v) = 0;
<a name="l00072"></a>00072 
<a name="l00074"></a>00074   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="structiPath.html#64e4f86bd98bad224c44567ce1a530ad" title="Get one position vector.">GetPositionVector</a> (<span class="keywordtype">int</span> idx, <a class="code" href="classcsVector3.html" title="A 3D vector.">csVector3</a>&amp; v) = 0;
<a name="l00075"></a>00075 
<a name="l00077"></a>00077   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="structiPath.html#c9c8757a7fe0ed8901ccceab1e9e8eed" title="Get one up vector.">GetUpVector</a> (<span class="keywordtype">int</span> idx, <a class="code" href="classcsVector3.html" title="A 3D vector.">csVector3</a>&amp; v) = 0;
<a name="l00078"></a>00078 
<a name="l00080"></a>00080   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="structiPath.html#e0f5d108e2ccd31f897abfeb84256f13" title="Get one forward vector.">GetForwardVector</a> (<span class="keywordtype">int</span> idx, <a class="code" href="classcsVector3.html" title="A 3D vector.">csVector3</a>&amp; v) = 0;
<a name="l00081"></a>00081 
<a name="l00083"></a>00083   <span class="keyword">virtual</span> <span class="keywordtype">float</span> <a class="code" href="structiPath.html#2b0627388d49885d3f25ea593d4218fc" title="Get one time value.">GetTime</a> (<span class="keywordtype">int</span> idx) = 0;
<a name="l00084"></a>00084 
<a name="l00086"></a>00086   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="structiPath.html#8bf4a8c41adece8674d2b753a6b9fbfc" title="Set one time value.">SetTime</a> (<span class="keywordtype">int</span> idx, <span class="keywordtype">float</span> t) = 0;
<a name="l00087"></a>00087 
<a name="l00089"></a>00089   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="structiPath.html#c4ab8ea737cb1ab630bec16e7e02eb29" title="Get the interpolated position.">GetInterpolatedPosition</a> (<a class="code" href="classcsVector3.html" title="A 3D vector.">csVector3</a>&amp; pos) = 0;
<a name="l00090"></a>00090 
<a name="l00092"></a>00092   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="structiPath.html#bd89bd11ac67db0798f1cd42af8503df" title="Get the interpolated up vector.">GetInterpolatedUp</a> (<a class="code" href="classcsVector3.html" title="A 3D vector.">csVector3</a>&amp; pos) = 0;
<a name="l00093"></a>00093 
<a name="l00095"></a>00095   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="structiPath.html#bfe3c8b37214ed6931bf6e81a1ce3005" title="Get the interpolated forward vector.">GetInterpolatedForward</a> (<a class="code" href="classcsVector3.html" title="A 3D vector.">csVector3</a>&amp; pos) = 0;
<a name="l00096"></a>00096 };
<a name="l00097"></a>00097 
<a name="l00098"></a>00098 
<a name="l00101"></a>00101 <span class="preprocessor">#endif // __CS_IPATH_H__</span>
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