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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: "advancedsky.frag"
property int lutSize: 256
property int lutSizeTransmit: 256
property real aerosol_base_density: 1.3681e20
property real aerosol_background_density: 2e6
property real aerosol_height_scale: 0.73
property real aerosol_background_divided_by_base_density: aerosol_background_density / aerosol_base_density
property real ozone_mean_monthly_dobson: 347
property real aerosol_turbidity: 1
property vector3d sun_direction: Qt.vector3d(mySkyLight.forward.x, mySkyLight.forward.z, -mySkyLight.forward.y)
property vector4d aerosol_absorption_cross_section: Qt.vector4d(2.8722e-24, 4.6168e-24, 7.9706e-24, 1.3578e-23)
property vector4d aerosol_scattering_cross_section: Qt.vector4d(1.5908e-22, 1.7711e-22, 2.0942e-22, 2.4033e-22)
property vector4d ground_albedo: Qt.vector4d(0.3, 0.3, 0.3, 0.3)
property int aerosol_type: 8
property real eye_altitude: 0.05
property real sunEnergy: mySkyLight.brightness
property vector3d sunColor: mySkyLight.color
property vector3d sunDirection: sun_direction
property real sunDiskInnerAngle: 1.5
property real sunDiskOuterAngle: 10.0
property real sunDiskFalloff: 0.05
property real sunAlpha: 1.0
property Texture skytextureBuffer: Texture {
tilingModeVertical: Texture.ClampToEdge
tilingModeHorizontal: Texture.ClampToEdge
textureProvider: QuadTextureProvider {
fragmentShader: "skytexture.frag"
format: Buffer.RGBA16F
width: mySkyMaterial.lutSize
height: mySkyMaterial.lutSize
property real aerosol_base_density: mySkyMaterial.aerosol_base_density
property real aerosol_height_scale: mySkyMaterial.aerosol_height_scale
property real aerosol_background_divided_by_base_density: mySkyMaterial.aerosol_background_divided_by_base_density
property real ozone_mean_monthly_dobson: mySkyMaterial.ozone_mean_monthly_dobson
property real aerosol_turbidity: mySkyMaterial.aerosol_turbidity
property vector3d sun_direction: mySkyMaterial.sun_direction
property vector4d aerosol_absorption_cross_section: mySkyMaterial.aerosol_absorption_cross_section
property vector4d aerosol_scattering_cross_section: mySkyMaterial.aerosol_scattering_cross_section
property vector4d ground_albedo: mySkyMaterial.ground_albedo
property int aerosol_type: mySkyMaterial.aerosol_type
property real eye_altitude: mySkyMaterial.eye_altitude
property real sunEnergy: mySkyMaterial.sunEnergy
property vector3d sunColor: mySkyMaterial.sunColor
property vector3d sunDirection: mySkyMaterial.sunDirection
property real sunDiskInnerAngle: mySkyMaterial.sunDiskInnerAngle
property real sunDiskOuterAngle: mySkyMaterial.sunDiskOuterAngle
property real sunDiskFalloff: mySkyMaterial.sunDiskFalloff
property real sunAlpha: mySkyMaterial.sunAlpha
property Texture transmittanceBuffer: Texture {
tilingModeVertical: Texture.ClampToEdge
tilingModeHorizontal: Texture.ClampToEdge
textureProvider: QuadTextureProvider {
fragmentShader: "transmittance.frag"
format: Buffer.RGBA16F
width: mySkyMaterial.lutSizeTransmit
height: mySkyMaterial.lutSizeTransmit
property real aerosol_base_density: mySkyMaterial.aerosol_base_density
property real aerosol_background_density: mySkyMaterial.aerosol_background_density
property real aerosol_height_scale: mySkyMaterial.aerosol_height_scale
property real aerosol_background_divided_by_base_density: mySkyMaterial.aerosol_background_divided_by_base_density
property real ozone_mean_monthly_dobson: mySkyMaterial.ozone_mean_monthly_dobson
property real aerosol_turbidity: mySkyMaterial.aerosol_turbidity
property vector3d sun_direction: mySkyMaterial.sun_direction
property vector4d aerosol_absorption_cross_section: mySkyMaterial.aerosol_absorption_cross_section
property vector4d aerosol_scattering_cross_section: mySkyMaterial.aerosol_scattering_cross_section
property vector4d ground_albedo: mySkyMaterial.ground_albedo
property int aerosol_type: mySkyMaterial.aerosol_type
property real eye_altitude: mySkyMaterial.eye_altitude
property real sunEnergy: mySkyMaterial.sunEnergy
property vector3d sunColor: mySkyMaterial.sunColor
property vector3d sunDirection: mySkyMaterial.sunDirection
property real sunDiskInnerAngle: mySkyMaterial.sunDiskInnerAngle
property real sunDiskOuterAngle: mySkyMaterial.sunDiskOuterAngle
property real sunDiskFalloff: mySkyMaterial.sunDiskFalloff
property real sunAlpha: mySkyMaterial.sunAlpha
}
}
}
}
}
NumberAnimation {
target: mySkyLight
property: "eulerRotation.x"
duration: 200
easing.type: Easing.InOutQuad
from: -90
to: -1
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
}
}