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<!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>orb::VECTOR2 struct Reference</title><link href="doxygen.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.3-rc3 --><center><a class="qindex" href="index.html">Main Page</a> <a class="qindex" href="namespaces.html">Namespace List</a> <a class="qindex" href="classes.html">Alphabetical List</a> <a class="qindex" href="annotated.html">Compound List</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">Compound Members</a> </center><hr><h1>orb::VECTOR2 Struct Reference</h1>Orb vector2. <a href="#_details">More...</a><p><code>#include <<a class="el" href="OrbMath_8h-source.html">OrbMath.h</a>></code><p><a href="structorb_1_1VECTOR2-members.html">List of all members.</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 nowrap align=right valign=top> </td><td valign=bottom><a class="el" href="structorb_1_1VECTOR2.html#a0">VECTOR2</a> ()</td></tr><tr><td> </td><td><font size=-1><em>Default Constructor.</em> <a href="#a0"></a><em></em></font><br><br></td></tr><tr><td nowrap align=right valign=top> </td><td valign=bottom><a class="el" href="structorb_1_1VECTOR2.html#a1">VECTOR2</a> (float _x, float _y)</td></tr><tr><td> </td><td><font size=-1><em>Constructor.</em> <a href="#a1"></a><em></em></font><br><br></td></tr><tr><td nowrap align=right valign=top>bool </td><td valign=bottom><a class="el" href="structorb_1_1VECTOR2.html#a2">operator==</a> (const VECTOR2 &other) const</td></tr><tr><td> </td><td><font size=-1><em>Operator ==.</em> <a href="#a2"></a><em></em></font><br><br></td></tr><tr><td nowrap align=right valign=top>bool </td><td valign=bottom><a class="el" href="structorb_1_1VECTOR2.html#a3">operator!=</a> (const VECTOR2 &other) const</td></tr><tr><td> </td><td><font size=-1><em>Operator !=.</em> <a href="#a3"></a><em></em></font><br><br></td></tr><tr><td nowrap align=right valign=top>VECTOR2 </td><td valign=bottom><a class="el" href="structorb_1_1VECTOR2.html#a4">operator+</a> () const</td></tr><tr><td> </td><td><font size=-1><em>operator +</em> <a href="#a4"></a><em></em></font><br><br></td></tr><tr><td nowrap align=right valign=top>VECTOR2 </td><td valign=bottom><a class="el" href="structorb_1_1VECTOR2.html#a5">operator-</a> () const</td></tr><tr><td> </td><td><font size=-1><em>operator -</em> <a href="#a5"></a><em></em></font><br><br></td></tr><tr><td nowrap align=right valign=top>float </td><td valign=bottom><a class="el" href="structorb_1_1VECTOR2.html#a6">Length</a> () const</td></tr><tr><td> </td><td><font size=-1><em>Vector length.</em> <a href="#a6"></a><em></em></font><br><br></td></tr><tr><td nowrap align=right valign=top>const VECTOR2 & </td><td valign=bottom><a class="el" href="structorb_1_1VECTOR2.html#a7">Normalize</a> ()</td></tr><tr><td> </td><td><font size=-1><em>Normalize operation.</em> <a href="#a7"></a><em></em></font><br><br></td></tr><tr><td nowrap align=right valign=top>VECTOR2 </td><td valign=bottom><a class="el" href="structorb_1_1VECTOR2.html#a8">GetNormalized</a> () const</td></tr><tr><td> </td><td><font size=-1><em>GetNormalized operation.</em> <a href="#a8"></a><em></em></font><br><br></td></tr><tr><td nowrap align=right valign=top><a name="a9" doxytag="orb::VECTOR2::operator+="></a>const VECTOR2 & </td><td valign=bottom><b>operator+=</b> (const VECTOR2 &other)</td></tr><tr><td nowrap align=right valign=top><a name="a10" doxytag="orb::VECTOR2::operator-="></a>const VECTOR2 & </td><td valign=bottom><b>operator-=</b> (const VECTOR2 &other)</td></tr><tr><td nowrap align=right valign=top><a name="a11" doxytag="orb::VECTOR2::operator *="></a>const VECTOR2 & </td><td valign=bottom><b>operator *=</b> (float s)</td></tr><tr><td nowrap align=right valign=top><a name="a12" doxytag="orb::VECTOR2::operator/="></a>const VECTOR2 & </td><td valign=bottom><b>operator/=</b> (float s)</td></tr><tr><td colspan=2><br><h2>Public Attributes</h2></td></tr><tr><td nowrap align=right valign=top>float </td><td valign=bottom><a class="el" href="structorb_1_1VECTOR2.html#m0">x</a></td></tr><tr><td nowrap align=right valign=top>float </td><td valign=bottom><a class="el" href="structorb_1_1VECTOR2.html#m1">y</a></td></tr></table><hr><a name="_details"></a><h2>Detailed Description</h2>Orb vector2.<p>This struct implemented a 2 dimension vector, with some member fucntions to simplize vector operation. <dl compact><dt><b>Warning:</b></dt><dd>This struct does not have a virtual destructor, so don't derive from this struct unless you know exactly what you are doing. </dd></dl><dl compact><dt><b>Date:</b></dt><dd>05/12/2003 </dd></dl><dl compact><dt><b>Version:</b></dt><dd>1.0 </dd></dl><dl compact><dt><b>Author:</b></dt><dd>Dan Tong <p>mail: <a href="mailto:Lythm@citiz.net">Lythm@citiz.net</a></dd></dl><p><hr><h2>Constructor & Destructor Documentation</h2><a name="a0" doxytag="orb::VECTOR2::VECTOR2"></a><p><table width="100%" cellpadding="2" cellspacing="0" border="0"> <tr> <td class="md"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top"> orb::VECTOR2::VECTOR2 </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>Default Constructor.<p>This function set all the member value to default value 0.0f. <dl compact><dt><b>Returns:</b></dt><dd>no return</dd></dl> </td> </tr></table><a name="a1" doxytag="orb::VECTOR2::VECTOR2"></a><p><table width="100%" cellpadding="2" cellspacing="0" border="0"> <tr> <td class="md"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top"> orb::VECTOR2::VECTOR2 </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top">float </td> <td class="mdname" nowrap> <em>_x</em>, </td> </tr> <tr> <td></td> <td></td> <td class="md" nowrap>float </td> <td class="mdname" nowrap> <em>_y</em></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>Constructor.<p>This function assign x and y value to the vector <dl compact><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign=top><em>_x</em> </td><td>x value of the vector </td></tr> <tr><td valign=top><em>_y</em> </td><td>y value of the vector </td></tr> </table></dl><dl compact><dt><b>Returns:</b></dt><dd>no return</dd></dl> </td> </tr></table><hr><h2>Member Function Documentation</h2><a name="a8" doxytag="orb::VECTOR2::GetNormalized"></a><p><table width="100%" cellpadding="2" cellspacing="0" border="0"> <tr> <td class="md"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top"> VECTOR2 orb::VECTOR2::GetNormalized </td> <td class="md" valign="top">( </td> <td class="mdname1" valign="top" nowrap> </td> <td class="md" valign="top">) </td> <td class="md" nowrap> const</td> </tr> </table> </td> </tr></table><table cellspacing=5 cellpadding=0 border=0> <tr> <td> </td> <td><p>GetNormalized operation.<p><dl compact><dt><b>Returns:</b></dt><dd>a normalized vector of the vector</dd></dl> </td> </tr></table><a name="a6" doxytag="orb::VECTOR2::Length"></a><p><table width="100%" cellpadding="2" cellspacing="0" border="0"> <tr> <td class="md"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top"> float orb::VECTOR2::Length </td> <td class="md" valign="top">( </td> <td class="mdname1" valign="top" nowrap> </td> <td class="md" valign="top">) </td> <td class="md" nowrap> const</td> </tr> </table> </td> </tr></table><table cellspacing=5 cellpadding=0 border=0> <tr> <td> </td> <td><p>Vector length.<p><dl compact><dt><b>Returns:</b></dt><dd>the module of the vector</dd></dl> </td> </tr></table><a name="a7" doxytag="orb::VECTOR2::Normalize"></a><p><table width="100%" cellpadding="2" cellspacing="0" border="0"> <tr> <td class="md"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top"> const VECTOR2& orb::VECTOR2::Normalize </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>Normalize operation.<p>This funtction normalize the vector <dl compact><dt><b>Returns:</b></dt><dd>the const reference of the vector</dd></dl> </td> </tr></table><a name="a3" doxytag="orb::VECTOR2::operator!="></a><p><table width="100%" cellpadding="2" cellspacing="0" border="0"> <tr> <td class="md"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top"> bool orb::VECTOR2::operator!= </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top">const VECTOR2 & </td> <td class="mdname1" valign="top" nowrap> <em>other</em> </td> <td class="md" valign="top">) </td> <td class="md" nowrap> const</td> </tr> </table> </td> </tr></table><table cellspacing=5 cellpadding=0 border=0> <tr> <td> </td> <td><p>Operator !=.<p><dl compact><dt><b>Returns:</b></dt><dd>if the vector is not equal to parameter <b>other,</b> the function returns <b>true,</b> otherwise, it returns <b>false.</b> </dd></dl> </td> </tr></table><a name="a4" doxytag="orb::VECTOR2::operator+"></a><p><table width="100%" cellpadding="2" cellspacing="0" border="0"> <tr> <td class="md"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top"> VECTOR2 orb::VECTOR2::operator+ </td> <td class="md" valign="top">( </td> <td class="mdname1" valign="top" nowrap> </td> <td class="md" valign="top">) </td> <td class="md" nowrap> const</td> </tr> </table> </td> </tr></table><table cellspacing=5 cellpadding=0 border=0> <tr> <td> </td> <td><p>operator +<p>Unary operator <dl compact><dt><b>Returns:</b></dt><dd>the positive vector value</dd></dl> </td> </tr></table><a name="a5" doxytag="orb::VECTOR2::operator-"></a><p><table width="100%" cellpadding="2" cellspacing="0" border="0"> <tr> <td class="md"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top"> VECTOR2 orb::VECTOR2::operator- </td> <td class="md" valign="top">( </td> <td class="mdname1" valign="top" nowrap> </td> <td class="md" valign="top">) </td> <td class="md" nowrap> const</td> </tr> </table> </td> </tr></table><table cellspacing=5 cellpadding=0 border=0> <tr> <td> </td> <td><p>operator -<p>Unary operator <dl compact><dt><b>Returns:</b></dt><dd>the negative vector value</dd></dl> </td> </tr></table><a name="a2" doxytag="orb::VECTOR2::operator=="></a><p><table width="100%" cellpadding="2" cellspacing="0" border="0"> <tr> <td class="md"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top"> bool orb::VECTOR2::operator== </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top">const VECTOR2 & </td> <td class="mdname1" valign="top" nowrap> <em>other</em> </td> <td class="md" valign="top">) </td> <td class="md" nowrap> const</td> </tr> </table> </td> </tr></table><table cellspacing=5 cellpadding=0 border=0> <tr> <td> </td> <td><p>Operator ==.<p><dl compact><dt><b>Returns:</b></dt><dd>if the vector is equal to parameter <b>other,</b> the function returns <b>true,</b> otherwise, it returns <b>false.</b> </dd></dl> </td> </tr></table><hr><h2>Member Data Documentation</h2><a name="m0" doxytag="orb::VECTOR2::x"></a><p><table width="100%" cellpadding="2" cellspacing="0" border="0"> <tr> <td class="md"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top"> float orb::VECTOR2::x </table> </td> </tr></table><table cellspacing=5 cellpadding=0 border=0> <tr> <td> </td> <td><p>x member of the vector </td> </tr></table><a name="m1" doxytag="orb::VECTOR2::y"></a><p><table width="100%" cellpadding="2" cellspacing="0" border="0"> <tr> <td class="md"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top"> float orb::VECTOR2::y </table> </td> </tr></table><table cellspacing=5 cellpadding=0 border=0> <tr> <td> </td> <td><p>y member of the vector </td> </tr></table><hr>The documentation for this struct was generated from the following file:<ul><li><a class="el" href="OrbMath_8h-source.html">OrbMath.h</a></ul><hr><address style="align: right;"><small>Generated on Sat Jul 26 20:48:24 2003 for OrbMath by<a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border=0 width=110 height=53></a>1.3-rc3 </small></address></body></html>?? 快捷鍵說明
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