- Qt 6.4
- Qt Quick 3D
- Qt Quick 3D Examples and Tutorials
- Qt Quick 3D - Baked Lightmap Example
- Qt Quick 3D | Commercial or GPLv3

# Qt Quick 3D - Baked Lightmap Example

     // Copyright (C) 2022 The Qt Company Ltd.
     // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause

     import QtQuick
     import QtQuick.Controls
     import QtQuick.Layouts
     import QtQuick3D
     import QtQuick3D.Helpers

     Window {
         width: 1280
         height: 720
         title: "Qt Quick 3D Baked Lightmap Example"
         visible: true

         View3D {
             id: root
             anchors.fill: parent

             environment: SceneEnvironment {
                 backgroundMode: SceneEnvironment.Color
                 clearColor: "black"
             }

             PerspectiveCamera {
                 id: camera
                 z: 300
                 y: 100
             }

             property bool lmEnabled: lmToggle.checked
             property int lightBakeMode: lmToggle.checked ? Light.BakeModeAll : Light.BakeModeDisabled

             PointLight {
                 bakeMode: root.lightBakeMode
                 y: 190
                 brightness: 5
                 castsShadow: true
                 shadowFactor: 75
             }

             Box {
                 usedInBakedLighting: true
                 lightmapBaseResolution: 256
                 bakedLightmap: BakedLightmap {
                     enabled: root.lmEnabled
                     key: "box"
                     loadPrefix: "qrc:/"
                 }
                 scale: Qt.vector3d(100, 100, 100)
             }

             Rectangle {
                 color: "lightGray"
                 width: 300
                 height: 80
                 ColumnLayout {
                     anchors.centerIn: parent
                     CheckBox {
                         id: lmToggle
                         text: "Use lightmaps\n(fully baked direct+indirect)"
                         checked: true
                         focusPolicy: Qt.NoFocus
                     }
                     Text {
                         text: "Run with --bake-lightmaps to rebake"
                     }
                 }
             }
         }
     }