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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
++
++ SkyMaterial {
++ required property DirectionalLight skyLight
++ fragmentShader: "basicsky.frag"
++ // Sky Settings
++ readonly property color skyTopColor: "#A5D6F1"
++ readonly property color skyHorizonColor: "#D6EAFA"
++ property real skyCurve: 0.09
++ property real skyEnergy: 1.0
++
++ // Ground Settings
++ readonly property color groundBottomColor: "#282F36"
++ readonly property color groundHorizonColor: "#6C655F"
++ property real groundCurve: 0.02
++ property real groundEnergy: 1.0
++
++ property vector3d sunColor: Qt.vector3d(1.0, 1.0, 1.0)
++ // Sun Settings
++ property real sunEnergy: skyLight.brightness
++ property vector3d sunDirection:Qt.vector3d(-skyLight.forward.x, -skyLight.forward.y, -skyLight.forward.z)
++ property real sunDiskInnerAngle: 2.2
++ property real sunDiskOuterAngle: 9.9
++ property real sunDiskFalloff: 0.32
++ property real sunAlpha: 1.0
++ }