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// Copyright (C) 2026 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
import QtQuick
import QtQuick3D
// Three instanced cubes at clearly different distances from the camera, each in
// its own part of the viewport. The LOD thresholds decide which ones are drawn.
Item {
id: root
width: 400
height: 400
property real lodMin: -1
property real lodMax: -1
property bool depthSorting: false
View3D {
anchors.fill: parent
camera: lodCamera
environment: SceneEnvironment {
clearColor: "black"
backgroundMode: SceneEnvironment.Color
}
// Magnification 1 maps one world unit to one logical pixel, so screen
// positions do not depend on the distance to the camera.
OrthographicCamera { id: lodCamera; z: 600 }
InstanceList {
id: instanceList
depthSortingEnabled: root.depthSorting
instances: [
// distance to the camera: 612
InstanceListEntry {
position: Qt.vector3d(-120, 0, 0)
scale: Qt.vector3d(0.5, 0.5, 0.5)
},
// distance to the camera: 900
InstanceListEntry {
position: Qt.vector3d(0, 0, -300)
scale: Qt.vector3d(0.5, 0.5, 0.5)
},
// distance to the camera: 1206
InstanceListEntry {
position: Qt.vector3d(120, 0, -600)
scale: Qt.vector3d(0.5, 0.5, 0.5)
}
]
}
Model {
source: "#Cube"
instancing: instanceList
instancingLodMin: root.lodMin
instancingLodMax: root.lodMax
materials: PrincipledMaterial {
baseColor: "white"
lighting: PrincipledMaterial.NoLighting
}
}
}
}