<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>Lights.qml Example File | Qt 3D 5.12.6</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 >Qt 5.12</td><td ><a href="qt3d-index.html">Qt 3D</a></td><td ><a href="qt3d-pbr-materials-example.html">Qt 3D: PBR Materials QML Example</a></td><td >Lights.qml Example File</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right"><a href="qt3d-index.html">Qt 5.12.6 Reference Documentation</a></td> </tr></table> </div> </div> <div class="content"> <div class="line"> <div class="content mainContent"> <div class="sidebar"><div class="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">Lights.qml Example File</h1> <span class="subtitle">pbr-materials/Lights.qml</span> <!-- $$$pbr-materials/Lights.qml-description --> <div class="descr"> <a name="details"></a> <pre class="qml"> /**************************************************************************** ** ** Copyright (C) 2016 Klaralvdalens Datakonsult AB (KDAB). ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the Qt3D module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** BSD License Usage ** Alternatively, you may use this file under the terms of the BSD license ** as follows: ** ** "Redistribution and use in source and binary forms, with or without ** modification, are permitted provided that the following conditions are ** met: ** * Redistributions of source code must retain the above copyright ** notice, this list of conditions and the following disclaimer. ** * Redistributions in binary form must reproduce the above copyright ** notice, this list of conditions and the following disclaimer in ** the documentation and/or other materials provided with the ** distribution. ** * Neither the name of The Qt Company Ltd nor the names of its ** contributors may be used to endorse or promote products derived ** from this software without specific prior written permission. ** ** ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ** ** $QT_END_LICENSE$ ** ****************************************************************************/ import QtQuick 2.1 import Qt3D.Core 2.0 import Qt3D.Render 2.0 import Qt3D.Input 2.0 import Qt3D.Extras 2.0 Entity { id: lights // Point Light (pulsing) Entity { components: [ PointLight { color: "red" intensity: 0.3 constantAttenuation: 1.0 linearAttenuation: 0.0 quadraticAttenuation: 0.0025 NumberAnimation on intensity { from: 0.3; to: 0.8; running: true loops: Animation.Infinite duration: 1000 easing.type: Easing.CosineCurve } }, Transform { translation: Qt.vector3d(0.0, 5.0, 0.0) } ] } // 2 x Directional Lights (steady) Entity { components: [ DirectionalLight { worldDirection: Qt.vector3d(0.3, -3.0, 0.0).normalized(); color: "#fbf9ce" intensity: 0.3 } ] } Entity { components: [ DirectionalLight { worldDirection: Qt.vector3d(-0.3, -0.3, 0.0).normalized(); color: "#9cdaef" intensity: 0.15 } ] } // Spot Light (sweeping) Entity { components: [ SpotLight { localDirection: Qt.vector3d(0.0, -1.0, 0.0) color: "white" intensity: 5.0 }, Transform { id: spotLightTransform translation: Qt.vector3d(0.0, 5.0, 0.0) rotationZ: -60.0 SequentialAnimation { loops: Animation.Infinite running: true NumberAnimation { target: spotLightTransform property: "rotationZ" from: -60; to: 60 duration: 4000 easing.type: Easing.InOutQuad } NumberAnimation { target: spotLightTransform property: "rotationZ" from: 60; to: -60 duration: 4000 easing.type: Easing.InOutQuad } } } ] } } </pre> </div> <!-- @@@pbr-materials/Lights.qml --> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2019 The Qt Company Ltd. 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