<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <!-- qspotlight.cpp --> <title>QSpotLight Class | Qt 3D 5.11</title> <link rel="stylesheet" type="text/css" href="style/offline-simple.css" /> <script type="text/javascript"> document.getElementsByTagName("link").item(0).setAttribute("href", "style/offline.css"); // loading style sheet breaks anchors that were jumped to before // so force jumping to anchor again setTimeout(function() { var anchor = location.hash; // need to jump to different anchor first (e.g. none) location.hash = "#"; setTimeout(function() { location.hash = anchor; }, 0); }, 0); </script> </head> <body> <div class="header" id="qtdocheader"> <div class="main"> <div class="main-rounded"> <div class="navigationbar"> <table><tr> <td ><a href="../qtdoc/index.html">Qt 5.11</a></td><td ><a href="qt3d-index.html">Qt 3D</a></td><td ><a href="qt3d-cpp.html">C++ Classes</a></td><td >QSpotLight</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right">Qt 5.11.2 Reference Documentation</td> </tr></table> </div> </div> <div class="content"> <div class="line"> <div class="content mainContent"> <div class="sidebar"> <div class="toc"> <h3><a name="toc">Contents</a></h3> <ul> <li class="level1"><a href="#properties">Properties</a></li> <li class="level1"><a href="#public-functions">Public Functions</a></li> <li class="level1"><a href="#public-slots">Public Slots</a></li> <li class="level1"><a href="#signals">Signals</a></li> <li class="level1"><a href="#details">Detailed Description</a></li> </ul> </div> <div class="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">QSpotLight Class</h1> <span class="small-subtitle">(<a href="qt3drender-qspotlight.html">Qt3DRender::QSpotLight</a>)<br/></span> <!-- $$$QSpotLight-brief --> <p>Encapsulate a Spot Light object in a Qt 3D scene. <a href="#details">More...</a></p> <!-- @@@QSpotLight --> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign"> <span class="preprocessor">#include <QSpotLight></span> </td></tr><tr><td class="memItemLeft rightAlign topAlign"> qmake:</td><td class="memItemRight bottomAlign"> QT += 3drender</td></tr><tr><td class="memItemLeft rightAlign topAlign"> Since:</td><td class="memItemRight bottomAlign"> Qt 5.5</td></tr><tr><td class="memItemLeft rightAlign topAlign"> Instantiated By:</td><td class="memItemRight bottomAlign"> <a href="qml-qt3d-render-spotlight.html">SpotLight</a></td></tr><tr><td class="memItemLeft rightAlign topAlign"> Inherits:</td><td class="memItemRight bottomAlign"> <a href="qt3drender-qabstractlight.html">Qt3DRender::QAbstractLight</a></td></tr></table></div><ul> <li><a href="qt3drender-qspotlight-members.html">List of all members, including inherited members</a></li> </ul> <a name="properties"></a> <h2 id="properties">Properties</h2> <div class="table"><table class="propsummary"> <tr><td class="topAlign"><ul> <li class="fn"><b><a href="qt3drender-qspotlight.html#constantAttenuation-prop">constantAttenuation</a></b> : float</li> <li class="fn"><b><a href="qt3drender-qspotlight.html#cutOffAngle-prop">cutOffAngle</a></b> : float</li> <li class="fn"><b><a href="qt3drender-qspotlight.html#linearAttenuation-prop">linearAttenuation</a></b> : float</li> </ul></td><td class="topAlign"><ul> <li class="fn"><b><a href="qt3drender-qspotlight.html#localDirection-prop">localDirection</a></b> : QVector3D</li> <li class="fn"><b><a href="qt3drender-qspotlight.html#quadraticAttenuation-prop">quadraticAttenuation</a></b> : float</li> </ul> </td></tr> </table></div> <ul> <li class="fn">3 properties inherited from <a href="qt3drender-qabstractlight.html#properties">Qt3DRender::QAbstractLight</a></li> <li class="fn">1 property inherited from <a href="qt3dcore-qcomponent.html#properties">Qt3DCore::QComponent</a></li> <li class="fn">3 properties inherited from <a href="qt3dcore-qnode.html#properties">Qt3DCore::QNode</a></li> <li class="fn">1 property inherited from <a href="../qtcore/qobject.html#properties">QObject</a></li> </ul> <a name="public-functions"></a> <h2 id="public-functions">Public Functions</h2> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qspotlight.html#QSpotLight">QSpotLight</a></b>(Qt3DCore::QNode *<i>parent</i> = nullptr)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> float </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qspotlight.html#constantAttenuation-prop">constantAttenuation</a></b>() const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> float </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qspotlight.html#cutOffAngle-prop">cutOffAngle</a></b>() const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> float </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qspotlight.html#linearAttenuation-prop">linearAttenuation</a></b>() const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> QVector3D </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qspotlight.html#localDirection-prop">localDirection</a></b>() const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> float </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qspotlight.html#quadraticAttenuation-prop">quadraticAttenuation</a></b>() const</td></tr> </table></div> <ul> <li class="fn">3 public functions inherited from <a href="qt3drender-qabstractlight.html#public-functions">Qt3DRender::QAbstractLight</a></li> <li class="fn">2 public functions inherited from <a href="qt3dcore-qcomponent.html#public-functions">Qt3DCore::QComponent</a></li> <li class="fn">13 public functions inherited from <a href="qt3dcore-qnode.html#public-functions">Qt3DCore::QNode</a></li> <li class="fn">34 public functions inherited from <a href="../qtcore/qobject.html#public-functions">QObject</a></li> </ul> <a name="public-slots"></a> <h2 id="public-slots">Public Slots</h2> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qspotlight.html#constantAttenuation-prop">setConstantAttenuation</a></b>(float <i>value</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qspotlight.html#cutOffAngle-prop">setCutOffAngle</a></b>(float <i>cutOffAngle</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qspotlight.html#linearAttenuation-prop">setLinearAttenuation</a></b>(float <i>value</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qspotlight.html#localDirection-prop">setLocalDirection</a></b>(const QVector3D &<i>localDirection</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qspotlight.html#quadraticAttenuation-prop">setQuadraticAttenuation</a></b>(float <i>value</i>)</td></tr> </table></div> <ul> <li class="fn">2 public slots inherited from <a href="qt3drender-qabstractlight.html#public-slots">Qt3DRender::QAbstractLight</a></li> <li class="fn">1 public slot inherited from <a href="qt3dcore-qcomponent.html#public-slots">Qt3DCore::QComponent</a></li> <li class="fn">3 public slots inherited from <a href="qt3dcore-qnode.html#public-slots">Qt3DCore::QNode</a></li> <li class="fn">1 public slot inherited from <a href="../qtcore/qobject.html#public-slots">QObject</a></li> </ul> <a name="signals"></a> <h2 id="signals">Signals</h2> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qspotlight.html#constantAttenuation-prop">constantAttenuationChanged</a></b>(float <i>constantAttenuation</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qspotlight.html#cutOffAngle-prop">cutOffAngleChanged</a></b>(float <i>cutOffAngle</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qspotlight.html#linearAttenuation-prop">linearAttenuationChanged</a></b>(float <i>linearAttenuation</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qspotlight.html#localDirection-prop">localDirectionChanged</a></b>(const QVector3D &<i>localDirection</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qspotlight.html#quadraticAttenuation-prop">quadraticAttenuationChanged</a></b>(float <i>quadraticAttenuation</i>)</td></tr> </table></div> <ul> <li class="fn">2 signals inherited from <a href="qt3drender-qabstractlight.html#signals">Qt3DRender::QAbstractLight</a></li> <li class="fn">3 signals inherited from <a href="qt3dcore-qcomponent.html#signals">Qt3DCore::QComponent</a></li> <li class="fn">4 signals inherited from <a href="qt3dcore-qnode.html#signals">Qt3DCore::QNode</a></li> <li class="fn">2 signals inherited from <a href="../qtcore/qobject.html#signals">QObject</a></li> </ul> <h3>Additional Inherited Members</h3> <ul> <li class="fn">1 public variable inherited from <a href="../qtcore/qobject.html#public-variables">QObject</a></li> <li class="fn">10 static public members inherited from <a href="../qtcore/qobject.html#static-public-members">QObject</a></li> <li class="fn">2 protected functions inherited from <a href="qt3dcore-qnode.html#protected-functions">Qt3DCore::QNode</a></li> <li class="fn">9 protected functions inherited from <a href="../qtcore/qobject.html#protected-functions">QObject</a></li> <li class="fn">2 protected variables inherited from <a href="../qtcore/qobject.html#protected-variables">QObject</a></li> </ul> <a name="details"></a> <!-- $$$QSpotLight-description --> <div class="descr"> <h2 id="details">Detailed Description</h2> <p>Encapsulate a Spot Light object in a Qt 3D scene.</p> </div> <!-- @@@QSpotLight --> <div class="prop"> <h2>Property Documentation</h2> <!-- $$$constantAttenuation-prop$$$constantAttenuation$$$setConstantAttenuationfloat$$$constantAttenuationChangedfloat --> <h3 class="fn" id="constantAttenuation-prop"><a name="constantAttenuation-prop"></a><span class="name">constantAttenuation</span> : <span class="type">float</span></h3> <p>Specifies the constant attenuation of the spot light</p> <p><b>Access functions:</b></p> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft topAlign rightAlign"> float </td><td class="memItemRight bottomAlign"><span class="name"><b>constantAttenuation</b></span>() const</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setConstantAttenuation</b></span>(float <i>value</i>)</td></tr> </table></div> <p><b>Notifier signal:</b></p> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>constantAttenuationChanged</b></span>(float <i>constantAttenuation</i>)</td></tr> </table></div> <!-- @@@constantAttenuation --> <!-- $$$cutOffAngle-prop$$$cutOffAngle$$$setCutOffAnglefloat$$$cutOffAngleChangedfloat --> <h3 class="fn" id="cutOffAngle-prop"><a name="cutOffAngle-prop"></a><span class="name">cutOffAngle</span> : <span class="type">float</span></h3> <p>Specifies the cut off angle of the spot light</p> <p><b>Access functions:</b></p> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft topAlign rightAlign"> float </td><td class="memItemRight bottomAlign"><span class="name"><b>cutOffAngle</b></span>() const</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setCutOffAngle</b></span>(float <i>cutOffAngle</i>)</td></tr> </table></div> <p><b>Notifier signal:</b></p> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>cutOffAngleChanged</b></span>(float <i>cutOffAngle</i>)</td></tr> </table></div> <!-- @@@cutOffAngle --> <!-- $$$linearAttenuation-prop$$$linearAttenuation$$$setLinearAttenuationfloat$$$linearAttenuationChangedfloat --> <h3 class="fn" id="linearAttenuation-prop"><a name="linearAttenuation-prop"></a><span class="name">linearAttenuation</span> : <span class="type">float</span></h3> <p>Specifies the linear attenuation of the spot light</p> <p><b>Access functions:</b></p> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft topAlign rightAlign"> float </td><td class="memItemRight bottomAlign"><span class="name"><b>linearAttenuation</b></span>() const</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setLinearAttenuation</b></span>(float <i>value</i>)</td></tr> </table></div> <p><b>Notifier signal:</b></p> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>linearAttenuationChanged</b></span>(float <i>linearAttenuation</i>)</td></tr> </table></div> <!-- @@@linearAttenuation --> <!-- $$$localDirection-prop$$$localDirection$$$setLocalDirectionconstQVector3D&$$$localDirectionChangedconstQVector3D& --> <h3 class="fn" id="localDirection-prop"><a name="localDirection-prop"></a><span class="name">localDirection</span> : <span class="type"><a href="../qtgui/qvector3d.html">QVector3D</a></span></h3> <p>Specifies the local direction of the spot light</p> <p><b>Access functions:</b></p> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft topAlign rightAlign"> QVector3D </td><td class="memItemRight bottomAlign"><span class="name"><b>localDirection</b></span>() const</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setLocalDirection</b></span>(const QVector3D &<i>localDirection</i>)</td></tr> </table></div> <p><b>Notifier signal:</b></p> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>localDirectionChanged</b></span>(const QVector3D &<i>localDirection</i>)</td></tr> </table></div> <!-- @@@localDirection --> <!-- $$$quadraticAttenuation-prop$$$quadraticAttenuation$$$setQuadraticAttenuationfloat$$$quadraticAttenuationChangedfloat --> <h3 class="fn" id="quadraticAttenuation-prop"><a name="quadraticAttenuation-prop"></a><span class="name">quadraticAttenuation</span> : <span class="type">float</span></h3> <p>Specifies the quadratic attenuation of the spot light</p> <p><b>Access functions:</b></p> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft topAlign rightAlign"> float </td><td class="memItemRight bottomAlign"><span class="name"><b>quadraticAttenuation</b></span>() const</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setQuadraticAttenuation</b></span>(float <i>value</i>)</td></tr> </table></div> <p><b>Notifier signal:</b></p> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>quadraticAttenuationChanged</b></span>(float <i>quadraticAttenuation</i>)</td></tr> </table></div> <!-- @@@quadraticAttenuation --> </div> <div class="func"> <h2>Member Function Documentation</h2> <!-- $$$QSpotLight[overload1]$$$QSpotLightQt3DCore::QNode* --> <h3 class="fn" id="QSpotLight"><a name="QSpotLight"></a>QSpotLight::<span class="name">QSpotLight</span>(<span class="type">Qt3DCore::QNode</span> *<i>parent</i> = nullptr)</h3> <p>Constructs a new <a href="qt3drender-qspotlight.html">QSpotLight</a> with the specified <i>parent</i>.</p> <!-- @@@QSpotLight --> </div> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2018 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners.<br/> The documentation provided herein is licensed under the terms of the <a href="http://www.gnu.org/licenses/fdl.html">GNU Free Documentation License version 1.3</a> as published by the Free Software Foundation.<br/> Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners. </p> </div> </body> </html>