<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"> <title>Irrlicht Engine: line3d.h Source File</title> <link href="doxygen.css" rel="stylesheet" type="text/css"> </head><body> <table class="irrlicht" > <tr valign="middle"> <td><font size="2"><a class="qindex" href="index.html"><font color="#FFFFFF">Home</font></a> | <a class="qindex" href="namespaces.html"><font color="#FFFFFF">Namespaces</font></a> | <a class="qindex" href="hierarchy.html"><font color="#FFFFFF">Hierarchy</font></a> | <a class="qindex" href="classes.html"><font color="#FFFFFF">Alphabetical List</font></a> | <a class="qindex" href="annotated.html"><font color="#FFFFFF"> Class list</font></a> | <a class="qindex" href="files.html"><font color="#FFFFFF">Files</font></a> | <a class="qindex" href="namespacemembers.html"><font color="#FFFFFF"> Namespace Members</font></a> | <a class="qindex" href="functions.html"><font 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name="l00007"></a>00007 <span class="preprocessor"></span> <a name="l00008"></a>00008 <span class="preprocessor">#include "<a class="code" href="irr_types_8h.html">irrTypes.h</a>"</span> <a name="l00009"></a>00009 <span class="preprocessor">#include "<a class="code" href="vector3d_8h.html">vector3d.h</a>"</span> <a name="l00010"></a>00010 <a name="l00011"></a>00011 <span class="keyword">namespace </span>irr <a name="l00012"></a>00012 { <a name="l00013"></a>00013 <span class="keyword">namespace </span>core <a name="l00014"></a>00014 { <a name="l00015"></a>00015 <a name="l00017"></a>00017 <span class="keyword">template</span> <<span class="keyword">class</span> T> <a name="l00018"></a><a class="code" href="classirr_1_1core_1_1line3d.html">00018</a> <span class="keyword">class </span><a class="code" href="classirr_1_1core_1_1line3d.html" title="3D line between two points with intersection methods.">line3d</a> <a name="l00019"></a>00019 { <a name="l00020"></a>00020 <span class="keyword">public</span>: <a name="l00021"></a>00021 <a name="l00023"></a>00023 <a name="l00024"></a><a class="code" href="classirr_1_1core_1_1line3d.html#b88640572a102a9eebd1bf483b7d7e75">00024</a> <a class="code" href="classirr_1_1core_1_1line3d.html#b88640572a102a9eebd1bf483b7d7e75" title="Default constructor.">line3d</a>() : <a class="code" href="classirr_1_1core_1_1line3d.html#8874f77324b6ef6632e66b22051a3251" title="Start point of line.">start</a>(0,0,0), <a class="code" href="classirr_1_1core_1_1line3d.html#ea19cb33971bb20e1d736facdae8a8f0" title="End point of line.">end</a>(1,1,1) {} <a name="l00026"></a><a class="code" href="classirr_1_1core_1_1line3d.html#19bc6c5661d8913ac6911b2513f7804f">00026</a> <a class="code" href="classirr_1_1core_1_1line3d.html#b88640572a102a9eebd1bf483b7d7e75" title="Default constructor.">line3d</a>(T xa, T ya, T za, T xb, T yb, T zb) : <a class="code" href="classirr_1_1core_1_1line3d.html#8874f77324b6ef6632e66b22051a3251" title="Start point of line.">start</a>(xa, ya, za), <a class="code" href="classirr_1_1core_1_1line3d.html#ea19cb33971bb20e1d736facdae8a8f0" title="End point of line.">end</a>(xb, yb, zb) {} <a name="l00028"></a><a class="code" href="classirr_1_1core_1_1line3d.html#9f77afda569d38afe68c9c3db39037f4">00028</a> <a class="code" href="classirr_1_1core_1_1line3d.html#b88640572a102a9eebd1bf483b7d7e75" title="Default constructor.">line3d</a>(<span class="keyword">const</span> <a class="code" href="classirr_1_1core_1_1vector3d.html" title="3d vector template class with lots of operators and methods.">vector3d<T></a>& <a class="code" href="classirr_1_1core_1_1line3d.html#8874f77324b6ef6632e66b22051a3251" title="Start point of line.">start</a>, <span class="keyword">const</span> <a class="code" href="classirr_1_1core_1_1vector3d.html" title="3d vector template class with lots of operators and methods.">vector3d<T></a>& <a class="code" href="classirr_1_1core_1_1line3d.html#ea19cb33971bb20e1d736facdae8a8f0" title="End point of line.">end</a>) : start(start), end(end) {} <a name="l00029"></a>00029 <a name="l00030"></a>00030 <span class="comment">// operators</span> <a name="l00031"></a>00031 <a name="l00032"></a><a class="code" href="classirr_1_1core_1_1line3d.html#1a83fbe4b2ac9a0e0127bc379bfcfa0a">00032</a> <a class="code" href="classirr_1_1core_1_1line3d.html" title="3D line between two points with intersection methods.">line3d<T></a> <a class="code" href="classirr_1_1core_1_1line3d.html#1a83fbe4b2ac9a0e0127bc379bfcfa0a">operator+</a>(<span class="keyword">const</span> <a class="code" href="classirr_1_1core_1_1vector3d.html" title="3d vector template class with lots of operators and methods.">vector3d<T></a>& point)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classirr_1_1core_1_1line3d.html" title="3D line between two points with intersection methods.">line3d<T></a>(<a class="code" href="classirr_1_1core_1_1line3d.html#8874f77324b6ef6632e66b22051a3251" title="Start point of line.">start</a> + point, <a class="code" href="classirr_1_1core_1_1line3d.html#ea19cb33971bb20e1d736facdae8a8f0" title="End point of line.">end</a> + point); } <a name="l00033"></a><a class="code" href="classirr_1_1core_1_1line3d.html#087964aee6bc9250364a2419c4fd8bcd">00033</a> <a class="code" href="classirr_1_1core_1_1line3d.html" title="3D line between two points with intersection methods.">line3d<T></a>& <a class="code" href="classirr_1_1core_1_1line3d.html#087964aee6bc9250364a2419c4fd8bcd">operator+=</a>(<span class="keyword">const</span> <a class="code" href="classirr_1_1core_1_1vector3d.html" title="3d vector template class with lots of operators and methods.">vector3d<T></a>& point) { <a class="code" href="classirr_1_1core_1_1line3d.html#8874f77324b6ef6632e66b22051a3251" title="Start point of line.">start</a> += point; <a class="code" href="classirr_1_1core_1_1line3d.html#ea19cb33971bb20e1d736facdae8a8f0" title="End point of line.">end</a> += point; <span class="keywordflow">return</span> *<span class="keyword">this</span>; } <a name="l00034"></a>00034 <a name="l00035"></a><a class="code" href="classirr_1_1core_1_1line3d.html#3b068104309f8eb6ed8ae3f8ad9c0536">00035</a> <a class="code" href="classirr_1_1core_1_1line3d.html" title="3D line between two points with intersection methods.">line3d<T></a> <a class="code" href="classirr_1_1core_1_1line3d.html#3b068104309f8eb6ed8ae3f8ad9c0536">operator-</a>(<span class="keyword">const</span> <a class="code" href="classirr_1_1core_1_1vector3d.html" title="3d vector template class with lots of operators and methods.">vector3d<T></a>& point)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classirr_1_1core_1_1line3d.html" title="3D line between two points with intersection methods.">line3d<T></a>(<a class="code" href="classirr_1_1core_1_1line3d.html#8874f77324b6ef6632e66b22051a3251" title="Start point of line.">start</a> - point, <a class="code" href="classirr_1_1core_1_1line3d.html#ea19cb33971bb20e1d736facdae8a8f0" title="End point of line.">end</a> - point); } <a name="l00036"></a><a class="code" href="classirr_1_1core_1_1line3d.html#ef9ba9ecbfac940e2d221f67015774ce">00036</a> <a class="code" href="classirr_1_1core_1_1line3d.html" title="3D line between two points with intersection methods.">line3d<T></a>& <a class="code" href="classirr_1_1core_1_1line3d.html#ef9ba9ecbfac940e2d221f67015774ce">operator-=</a>(<span class="keyword">const</span> <a class="code" href="classirr_1_1core_1_1vector3d.html" title="3d vector template class with lots of operators and methods.">vector3d<T></a>& point) { <a class="code" href="classirr_1_1core_1_1line3d.html#8874f77324b6ef6632e66b22051a3251" title="Start point of line.">start</a> -= point; <a class="code" href="classirr_1_1core_1_1line3d.html#ea19cb33971bb20e1d736facdae8a8f0" title="End point of line.">end</a> -= point; <span class="keywordflow">return</span> *<span class="keyword">this</span>; } <a name="l00037"></a>00037 <a name="l00038"></a><a class="code" href="classirr_1_1core_1_1line3d.html#4d0d98986e6bffdf0bb943e103707c65">00038</a> <span class="keywordtype">bool</span> <a class="code" href="classirr_1_1core_1_1line3d.html#4d0d98986e6bffdf0bb943e103707c65">operator==</a>(<span class="keyword">const</span> <a class="code" href="classirr_1_1core_1_1line3d.html" title="3D line between two points with intersection methods.">line3d<T></a>& other)<span class="keyword"> const</span> <a name="l00039"></a>00039 <span class="keyword"> </span>{ <span class="keywordflow">return</span> (<a class="code" href="classirr_1_1core_1_1line3d.html#8874f77324b6ef6632e66b22051a3251" title="Start point of line.">start</a>==other.<a class="code" href="classirr_1_1core_1_1line3d.html#8874f77324b6ef6632e66b22051a3251" title="Start point of line.">start</a> && <a class="code" href="classirr_1_1core_1_1line3d.html#ea19cb33971bb20e1d736facdae8a8f0" title="End point of line.">end</a>==other.<a class="code" href="classirr_1_1core_1_1line3d.html#ea19cb33971bb20e1d736facdae8a8f0" title="End point of line.">end</a>) || (<a class="code" href="classirr_1_1core_1_1line3d.html#ea19cb33971bb20e1d736facdae8a8f0" title="End point of line.">end</a>==other.<a class="code" href="classirr_1_1core_1_1line3d.html#8874f77324b6ef6632e66b22051a3251" title="Start point of line.">start</a> && <a class="code" href="classirr_1_1core_1_1line3d.html#8874f77324b6ef6632e66b22051a3251" title="Start point of line.">start</a>==other.<a class="code" href="classirr_1_1core_1_1line3d.html#ea19cb33971bb20e1d736facdae8a8f0" title="End point of line.">end</a>);} <a name="l00040"></a><a class="code" href="classirr_1_1core_1_1line3d.html#d73e0c54bfaded49c81b618c6caf3284">00040</a> <span class="keywordtype">bool</span> <a class="code" href="classirr_1_1core_1_1line3d.html#d73e0c54bfaded49c81b618c6caf3284">operator!=</a>(<span class="keyword">const</span> <a class="code" href="classirr_1_1core_1_1line3d.html" title="3D line between two points with intersection methods.">line3d<T></a>& other)<span class="keyword"> const</span> <a name="l00041"></a>00041 <span class="keyword"> </span>{ <span class="keywordflow">return</span> !(<a class="code" href="classirr_1_1core_1_1line3d.html#8874f77324b6ef6632e66b22051a3251" title="Start point of line.">start</a>==other.<a class="code" href="classirr_1_1core_1_1line3d.html#8874f77324b6ef6632e66b22051a3251" title="Start point of line.">start</a> && <a class="code" href="classirr_1_1core_1_1line3d.html#ea19cb33971bb20e1d736facdae8a8f0" title="End point of line.">end</a>==other.<a class="code" href="classirr_1_1core_1_1line3d.html#ea19cb33971bb20e1d736facdae8a8f0" title="End point of line.">end</a>) || (<a class="code" href="classirr_1_1core_1_1line3d.html#ea19cb33971bb20e1d736facdae8a8f0" title="End point of line.">end</a>==other.<a class="code" href="classirr_1_1core_1_1line3d.html#8874f77324b6ef6632e66b22051a3251" title="Start point of line.">start</a> && <a class="code" href="classirr_1_1core_1_1line3d.html#8874f77324b6ef6632e66b22051a3251" title="Start point of line.">start</a>==other.<a class="code" href="classirr_1_1core_1_1line3d.html#ea19cb33971bb20e1d736facdae8a8f0" title="End point of line.">end</a>);} <a name="l00042"></a>00042 <a name="l00043"></a>00043 <span class="comment">// functions</span> <a name="l00045"></a><a class="code" href="classirr_1_1core_1_1line3d.html#a691426799bff0ccf37bc09f56b8fa59">00045</a> <span class="comment"></span> <span class="keywordtype">void</span> <a class="code" href="classirr_1_1core_1_1line3d.html#a691426799bff0ccf37bc09f56b8fa59" title="Set this line to a new line going through the two points.">setLine</a>(<span class="keyword">const</span> T& xa, <span class="keyword">const</span> T& ya, <span class="keyword">const</span> T& za, <span class="keyword">const</span> T& xb, <span class="keyword">const</span> T& yb, <span class="keyword">const</span> T& zb) <a name="l00046"></a>00046 {<a class="code" href="classirr_1_1core_1_1line3d.html#8874f77324b6ef6632e66b22051a3251" title="Start point of line.">start</a>.set(xa, ya, za); <a class="code" href="classirr_1_1core_1_1line3d.html#ea19cb33971bb20e1d736facdae8a8f0" title="End point of line.">end</a>.set(xb, yb, zb);} <a name="l00048"></a><a class="code" href="classirr_1_1core_1_1line3d.html#f66862d06acc114567e1e0cfaa23f429">00048</a> <span class="keywordtype">void</span> <a class="code" href="classirr_1_1core_1_1line3d.html#a691426799bff0ccf37bc09f56b8fa59" title="Set this line to a new line going through the two points.">setLine</a>(<span class="keyword">const</span> <a class="code" href="classirr_1_1core_1_1vector3d.html" title="3d vector template class with lots of operators and methods.">vector3d<T></a>& nstart, <span class="keyword">const</span> <a class="code" href="classirr_1_1core_1_1vector3d.html" title="3d vector template class with lots of operators and methods.">vector3d<T></a>& nend) <a name="l00049"></a>00049 {<a class="code" href="classirr_1_1core_1_1line3d.html#8874f77324b6ef6632e66b22051a3251" title="Start point of line.">start</a>.set(nstart); <a class="code" href="classirr_1_1core_1_1line3d.html#ea19cb33971bb20e1d736facdae8a8f0" title="End point of line.">end</a>.set(nend);} <a name="l00051"></a><a class="code" href="classirr_1_1core_1_1line3d.html#75d2a9f34ca66c2a1399f8b9fe0fa760">00051</a> <span class="keywordtype">void</span> <a class="code" href="classirr_1_1core_1_1line3d.html#a691426799bff0ccf37bc09f56b8fa59" title="Set this line to a new line going through the two points.">setLine</a>(<span class="keyword">const</span> <a class="code" href="classirr_1_1core_1_1line3d.html" title="3D line between two points with intersection methods.">line3d<T></a>& line) <a name="l00052"></a>00052 {<a class="code" href="classirr_1_1core_1_1line3d.html#8874f77324b6ef6632e66b22051a3251" title="Start point of line.">start</a>.set(line.<a class="code" href="classirr_1_1core_1_1line3d.html#8874f77324b6ef6632e66b22051a3251" title="Start point of line.">start</a>); <a class="code" href="classirr_1_1core_1_1line3d.html#ea19cb33971bb20e1d736facdae8a8f0" title="End point of line.">end</a>.set(line.<a class="code" href="classirr_1_1core_1_1line3d.html#ea19cb33971bb20e1d736facdae8a8f0" title="End point of line.">end</a>);} <a name="l00053"></a>00053 <a name="l00055"></a>00055 <a name="l00056"></a><a class="code" href="classirr_1_1core_1_1line3d.html#bbcbf8958f99c0204c54024322c07a03">00056</a> T <a class="code" href="classirr_1_1core_1_1line3d.html#bbcbf8958f99c0204c54024322c07a03" title="Get length of line.">getLength</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classirr_1_1core_1_1line3d.html#8874f77324b6ef6632e66b22051a3251" title="Start point of line.">start</a>.getDistanceFrom(<a class="code" href="classirr_1_1core_1_1line3d.html#ea19cb33971bb20e1d736facdae8a8f0" title="End point of line.">end</a>); } <a name="l00057"></a>00057 <a name="l00059"></a>00059 <a name="l00060"></a><a class="code" href="classirr_1_1core_1_1line3d.html#b5f46ffef60794e9755fc33fdc3a0408">00060</a> T <a class="code" href="classirr_1_1core_1_1line3d.html#b5f46ffef60794e9755fc33fdc3a0408" title="Get squared length of line.">getLengthSQ</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classirr_1_1core_1_1line3d.html#8874f77324b6ef6632e66b22051a3251" title="Start point of line.">start</a>.getDistanceFromSQ(<a class="code" href="classirr_1_1core_1_1line3d.html#ea19cb33971bb20e1d736facdae8a8f0" title="End point of line.">end</a>); } <a name="l00061"></a>00061 <a name="l00063"></a>00063 <a name="l00064"></a><a class="code" href="classirr_1_1core_1_1line3d.html#2d4f769eb73ef41e3223dc0b2713a759">00064</a> <a class="code" href="classirr_1_1core_1_1vector3d.html" title="3d vector template class with lots of operators and methods.">vector3d<T></a> <a class="code" href="classirr_1_1core_1_1line3d.html#2d4f769eb73ef41e3223dc0b2713a759" title="Get middle of line.">getMiddle</a>()<span class="keyword"> const</span> <a name="l00065"></a>00065 <span class="keyword"> </span>{ <a name="l00066"></a>00066 <span class="keywordflow">return</span> (<a class="code" href="classirr_1_1core_1_1line3d.html#8874f77324b6ef6632e66b22051a3251" title="Start point of line.">start</a> + <a class="code" href="classirr_1_1core_1_1line3d.html#ea19cb33971bb20e1d736facdae8a8f0" title="End point of line.">end</a>) * (T)0.5; <a name="l00067"></a>00067 } <a name="l00068"></a>00068 <a name="l00070"></a>00070 <a name="l00071"></a><a class="code" href="classirr_1_1core_1_1line3d.html#1394b59b713cec4044259d1999bbcc80">00071</a> <a class="code" href="classirr_1_1core_1_1vector3d.html" title="3d vector template class with lots of operators and methods.">vector3d<T></a> <a class="code" href="classirr_1_1core_1_1line3d.html#1394b59b713cec4044259d1999bbcc80" title="Get vector of line.">getVector</a>()<span class="keyword"> const</span> <a name="l00072"></a>00072 <span class="keyword"> </span>{ <a name="l00073"></a>00073 <span class="keywordflow">return</span> <a class="code" href="classirr_1_1core_1_1line3d.html#ea19cb33971bb20e1d736facdae8a8f0" title="End point of line.">end</a> - <a class="code" href="classirr_1_1core_1_1line3d.html#8874f77324b6ef6632e66b22051a3251" title="Start point of line.">start</a>; <a name="l00074"></a>00074 } <a name="l00075"></a>00075 <a name="l00077"></a>00077 <a name="l00081"></a><a class="code" href="classirr_1_1core_1_1line3d.html#1f51d4736b808a665697fba776818239">00081</a> <span class="keywordtype">bool</span> <a class="code" href="classirr_1_1core_1_1line3d.html#1f51d4736b808a665697fba776818239" title="Check if the given point is between start and end of the line.">isPointBetweenStartAndEnd</a>(<span class="keyword">const</span> <a class="code" href="classirr_1_1core_1_1vector3d.html" title="3d vector template class with lots of operators and methods.">vector3d<T></a>& point)<span class="keyword"> const</span> <a name="l00082"></a>00082 <span class="keyword"> </span>{ <a name="l00083"></a>00083 <span class="keywordflow">return</span> point.<a class="code" href="classirr_1_1core_1_1vector3d.html#ce05ee3b68b47c2ec6baff0d9d64de98" title="Returns if this vector interpreted as a point is on a line between two other points...">isBetweenPoints</a>(<a class="code" href="classirr_1_1core_1_1line3d.html#8874f77324b6ef6632e66b22051a3251" title="Start point of line.">start</a>, <a class="code" href="classirr_1_1core_1_1line3d.html#ea19cb33971bb20e1d736facdae8a8f0" title="End point of line.">end</a>); <a name="l00084"></a>00084 } <a name="l00085"></a>00085 <a name="l00087"></a>00087 <a name="l00089"></a><a class="code" href="classirr_1_1core_1_1line3d.html#fae16456838c8e8f88f71fe1480967e8">00089</a> <a class="code" href="classirr_1_1core_1_1vector3d.html" title="3d vector template class with lots of operators and methods.">vector3d<T></a> <a class="code" href="classirr_1_1core_1_1line3d.html#fae16456838c8e8f88f71fe1480967e8" title="Get the closest point on this line to a point.">getClosestPoint</a>(<span class="keyword">const</span> <a class="code" href="classirr_1_1core_1_1vector3d.html" title="3d vector template class with lots of operators and methods.">vector3d<T></a>& point)<span class="keyword"> const</span> <a name="l00090"></a>00090 <span class="keyword"> </span>{ <a name="l00091"></a>00091 <a class="code" href="classirr_1_1core_1_1vector3d.html" title="3d vector template class with lots of operators and methods.">vector3d<T></a> c = point - <a class="code" href="classirr_1_1core_1_1line3d.html#8874f77324b6ef6632e66b22051a3251" title="Start point of line.">start</a>; <a name="l00092"></a>00092 <a class="code" href="classirr_1_1core_1_1vector3d.html" title="3d vector template class with lots of operators and methods.">vector3d<T></a> v = <a class="code" href="classirr_1_1core_1_1line3d.html#ea19cb33971bb20e1d736facdae8a8f0" title="End point of line.">end</a> - start; <a name="l00093"></a>00093 T d = (T)v.<a class="code" href="classirr_1_1core_1_1vector3d.html#b0f95138bd31d82b5486237c8e49a2d5" title="Get length of the vector.">getLength</a>(); <a name="l00094"></a>00094 v /= d; <a name="l00095"></a>00095 T t = v.<a class="code" href="classirr_1_1core_1_1vector3d.html#0b247d39047c0e51ff16d0118bb396ab" title="Get the dot product with another vector.">dotProduct</a>(c); <a name="l00096"></a>00096 <a name="l00097"></a>00097 <span class="keywordflow">if</span> (t < (T)0.0) <a name="l00098"></a>00098 <span class="keywordflow">return</span> start; <a name="l00099"></a>00099 <span class="keywordflow">if</span> (t > d) <a name="l00100"></a>00100 <span class="keywordflow">return</span> <a class="code" href="classirr_1_1core_1_1line3d.html#ea19cb33971bb20e1d736facdae8a8f0" title="End point of line.">end</a>; <a name="l00101"></a>00101 <a name="l00102"></a>00102 v *= t; <a name="l00103"></a>00103 <span class="keywordflow">return</span> start + v; <a name="l00104"></a>00104 } <a name="l00105"></a>00105 <a name="l00107"></a>00107 <a name="l00113"></a><a class="code" href="classirr_1_1core_1_1line3d.html#aa4419864f37980fc38ae6b618bb0133">00113</a> <span class="keywordtype">bool</span> <a class="code" href="classirr_1_1core_1_1line3d.html#aa4419864f37980fc38ae6b618bb0133" title="Check if the line intersects with a shpere.">getIntersectionWithSphere</a>(<a class="code" href="classirr_1_1core_1_1vector3d.html" title="3d vector template class with lots of operators and methods.">vector3d<T></a> sorigin, T sradius, <a class="code" href="namespaceirr.html#1325b02603ad449f92c68fc640af9b28" title="64 bit floating point variable.">f64</a>& outdistance)<span class="keyword"> const</span> <a name="l00114"></a>00114 <span class="keyword"> </span>{ <a name="l00115"></a>00115 <span class="keyword">const</span> <a class="code" href="classirr_1_1core_1_1vector3d.html" title="3d vector template class with lots of operators and methods.">vector3d<T></a> q = sorigin - <a class="code" href="classirr_1_1core_1_1line3d.html#8874f77324b6ef6632e66b22051a3251" title="Start point of line.">start</a>; <a name="l00116"></a>00116 T c = q.<a class="code" href="classirr_1_1core_1_1vector3d.html#b0f95138bd31d82b5486237c8e49a2d5" title="Get length of the vector.">getLength</a>(); <a name="l00117"></a>00117 T v = q.<a class="code" href="classirr_1_1core_1_1vector3d.html#0b247d39047c0e51ff16d0118bb396ab" title="Get the dot product with another vector.">dotProduct</a>(<a class="code" href="classirr_1_1core_1_1line3d.html#1394b59b713cec4044259d1999bbcc80" title="Get vector of line.">getVector</a>().normalize()); <a name="l00118"></a>00118 T d = sradius * sradius - (c*c - v*v); <a name="l00119"></a>00119 <a name="l00120"></a>00120 <span class="keywordflow">if</span> (d < 0.0) <a name="l00121"></a>00121 <span class="keywordflow">return</span> <span class="keyword">false</span>; <a name="l00122"></a>00122 <a name="l00123"></a>00123 outdistance = v - <a class="code" href="namespaceirr_1_1core.html#6943186698de9d2ff47ce03fbe025230">core::squareroot</a> ( d ); <a name="l00124"></a>00124 <span class="keywordflow">return</span> <span class="keyword">true</span>; <a name="l00125"></a>00125 } <a name="l00126"></a>00126 <a name="l00127"></a>00127 <span class="comment">// member variables</span> <a name="l00128"></a>00128 <a name="l00130"></a><a class="code" href="classirr_1_1core_1_1line3d.html#8874f77324b6ef6632e66b22051a3251">00130</a> <a class="code" href="classirr_1_1core_1_1vector3d.html" title="3d vector template class with lots of operators and methods.">vector3d<T></a> <a class="code" href="classirr_1_1core_1_1line3d.html#8874f77324b6ef6632e66b22051a3251" title="Start point of line.">start</a>; <a name="l00132"></a><a class="code" href="classirr_1_1core_1_1line3d.html#ea19cb33971bb20e1d736facdae8a8f0">00132</a> <a class="code" href="classirr_1_1core_1_1vector3d.html" title="3d vector template class with lots of operators and methods.">vector3d<T></a> <a class="code" href="classirr_1_1core_1_1line3d.html#ea19cb33971bb20e1d736facdae8a8f0" title="End point of line.">end</a>; <a name="l00133"></a>00133 }; <a name="l00134"></a>00134 <a name="l00136"></a><a class="code" href="namespaceirr_1_1core.html#384a3bb17659466af5521c7f74cfcea7">00136</a> <span class="keyword">typedef</span> <a class="code" href="classirr_1_1core_1_1line3d.html" title="3D line between two points with intersection methods.">line3d<f32></a> <a class="code" href="classirr_1_1core_1_1line3d.html" title="3D line between two points with intersection methods.">line3df</a>; <a name="l00138"></a><a class="code" href="namespaceirr_1_1core.html#d57386c25ccca6be3db210168ae3d00c">00138</a> <span class="keyword">typedef</span> <a class="code" href="classirr_1_1core_1_1line3d.html" title="3D line between two points with intersection methods.">line3d<s32></a> <a class="code" href="classirr_1_1core_1_1line3d.html" title="3D line between two points with intersection methods.">line3di</a>; <a name="l00139"></a>00139 <a name="l00140"></a>00140 } <span class="comment">// end namespace core</span> <a name="l00141"></a>00141 } <span class="comment">// end namespace irr</span> <a name="l00142"></a>00142 <a name="l00143"></a>00143 <span class="preprocessor">#endif</span> <a name="l00144"></a>00144 <span class="preprocessor"></span> </pre></div></div> <hr size="1"> <address style="align: right;"> <small> </small> </address> <table width="100%" border="0" cellspacing="0" cellpadding="2"> <tr> <td width="0"> <div align="left"><small><a href="http://irrlicht.sourceforge.net" target="_blank"><img src="irrlicht.png" alt="The Irrlicht Engine" align="middle" border=0 width=88 height=31></a></small></div></td> <td> <div align="left"><small><em><font size="2">The <a href="http://irrlicht.sourceforge.net" target="_blank">Irrlicht Engine</a> Documentation © 2003-2009 by Nikolaus Gebhardt. 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