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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
++ import QtQuick3D.Helpers
++
++ Rectangle {
++ id: root
++ width: 800
++ height: 480
++ color: Qt.rgba(1, 1, 1, 1)
++
++ SkyMaterial {
++ id: mySkyMaterial
++ fragmentShader: "basicsky.frag"
++ enableIBL: false
++
++ // Sky Settings
++ property vector3d skyTopColor: Qt.vector3d(m_skyTopColor.r, m_skyTopColor.g, m_skyTopColor.b)
++ property vector3d skyHorizonColor: Qt.vector3d(m_skyHorizonColor.r, m_skyHorizonColor.g, m_skyHorizonColor.b)
++ property real skyCurve: 0.09
++ property real skyEnergy: 1.0
++
++ // Ground Settings
++ property vector3d groundBottomColor: Qt.vector3d(m_groundBottomColor.r, m_groundBottomColor.g, m_groundBottomColor.b)
++ property vector3d groundHorizonColor: Qt.vector3d(m_groundHorizonColor.r, m_groundHorizonColor.g, m_groundHorizonColor.b)
++ 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: mySkyLight.brightness
++ property vector3d sunDirection:Qt.vector3d(-mySkyLight.forward.x, -mySkyLight.forward.y, -mySkyLight.forward.z)
++ property real sunDiskInnerAngle: 2.2
++ property real sunDiskOuterAngle: 9.9
++ property real sunDiskFalloff: 0.32
++ property real sunAlpha: 1.0
++
++ // Default colors
++ readonly property color m_skyTopColor: "#A5D6F1"
++ readonly property color m_skyHorizonColor: "#D6EAFA"
++ readonly property color m_groundBottomColor: "#282F36"
++ readonly property color m_groundHorizonColor: "#6C655F"
++ }
++
++ NumberAnimation {
++ target: mySkyLight
++ property: "eulerRotation.x"
++ duration: 200
++ easing.type: Easing.InOutQuad
++ from: -90
++ to: -10
++ running: true
++ }
++
++ View3D {
++ id: view3D
++ anchors.fill: parent
++
++ environment: SceneEnvironment {
++ id: scene
++ backgroundMode: SceneEnvironment.SkyMaterial
++ skyMaterial: mySkyMaterial
++ }
++
++ camera: PerspectiveCamera {
++ id: cam
++ position: Qt.vector3d(750, 460, -1128)
++ eulerRotation: Qt.vector3d(-13, -203, 0)
++ }
++
++ DirectionalLight {
++ id: mySkyLight
++ eulerRotation.x: -90
++ castsShadow: true
++ softShadowQuality: Light.PCF16
++ shadowMapQuality: Light.ShadowMapQualityVeryHigh
++ pcfFactor: 3
++ use32BitShadowmap: true
++ property real customBrightness: 1.0
++ brightness: eulerRotation.x > 0.0 || eulerRotation.x < -180 ? 0 : customBrightness
++ }
++
++ /// Models
++ Model {
++ source: "#Rectangle"
++ scale: Qt.vector3d(30, 30, 30)
++ eulerRotation.x: -90
++ receivesShadows: true
++ materials: PrincipledMaterial {
++ baseColor: "lightgray"
++ roughness: 0.9
++ metalness: 0.0
++ }
++ }
++
++ Model {
++ source: "#Cube"
++ x: -375
++ y: 100
++ scale: Qt.vector3d(2, 2, 2)
++ castsShadows: true
++ receivesShadows: true
++ materials: PrincipledMaterial {
++ baseColor: "steelblue"
++ roughness: 0.25
++ metalness: 0.0
++ }
++ }
++
++ Model {
++ source: "#Sphere"
++ x: -75
++ y: 125
++ scale: Qt.vector3d(2.5, 2.5, 2.5)
++ castsShadows: true
++ receivesShadows: true
++ materials: PrincipledMaterial {
++ baseColor: "lightblue"
++ roughness: 0.05
++ metalness: 1.0
++ }
++ }
++
++ Model {
++ source: "#Sphere"
++ x: 275
++ y: 125
++ scale: Qt.vector3d(2.5, 2.5, 2.5)
++ castsShadows: true
++ receivesShadows: true
++ materials: PrincipledMaterial {
++ baseColor: "lightblue"
++ roughness: 0.3
++ metalness: 1.0
++ }
++ }
++
++ Model {
++ source: "#Sphere"
++ x: 575
++ y: 125
++ scale: Qt.vector3d(2.5, 2.5, 2.5)
++ castsShadows: true
++ receivesShadows: true
++ materials: PrincipledMaterial {
++ baseColor: "lightblue"
++ roughness: 0.55
++ metalness: 1.0
++ }
++ }
++
++ Model {
++ source: "#Sphere"
++ x: 875
++ y: 125
++ scale: Qt.vector3d(2.5, 2.5, 2.5)
++ castsShadows: true
++ receivesShadows: true
++ materials: PrincipledMaterial {
++ baseColor: "lightblue"
++ roughness: 0.8
++ metalness: 1.0
++ }
++ }
++ }
++
++ WasdController {
++ controlledObject: cam
++ }
++ }