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// Copyright (C) 2020 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
import QtQuick
import QtQuick3D
Window {
id: window
width: 1280
height: 720
visible: true
title: "Custom Materials Example"
View3D {
id: v3d
anchors.fill: parent
camera: camera
environment: SceneEnvironment {
backgroundMode: SceneEnvironment.SkyBox
probeExposure: 2
lightProbe: Texture {
source: "maps/OpenfootageNET_lowerAustria01-1024.hdr"
}
skyboxBlurAmount: 0.1
}
PerspectiveCamera {
id: camera
fieldOfView: 45
position: Qt.vector3d(0, 100, 900)
}
SpotLight {
position: Qt.vector3d(0, 500, 0)
eulerRotation.x: -60
color: Qt.rgba(1.0, 1.0, 0.1, 1.0)
brightness: 50
castsShadow: true
shadowMapQuality: Light.ShadowMapQualityHigh
}
property real globalRotation: 0
NumberAnimation {
target: v3d
property: "globalRotation"
from: 0
to: 360
duration: 27000
running: true
loops: Animation.Infinite
}
property real radius: 400
property real separation: 360/5
Model {
id: floor
source: "#Rectangle"
y: -200
scale: Qt.vector3d(15, 15, 1)
eulerRotation.x: -90
materials: [
PrincipledMaterial {
baseColor: "white"
}
]
}
// Start with a simple material, using the built-in implementation for everything.
Node {
eulerRotation.y: v3d.globalRotation
//! [simple]
Model {
source: "weirdShape.mesh"
scale: Qt.vector3d(100, 100, 100)
rotation: Quaternion.fromEulerAngles(-90, 0, 0)
x: v3d.radius
materials: [
CustomMaterial {
shadingMode: CustomMaterial.Shaded
fragmentShader: "material_simple.frag"
property color uDiffuse: "fuchsia"
property real uSpecular: 1.0
}
]
}
//! [simple]
}
// A metallic material using defaults for everything, except ambient light, and no uniforms.
Node {
eulerRotation.y: v3d.globalRotation + v3d.separation * 1
Model {
source: "weirdShape.mesh"
scale: Qt.vector3d(100, 100, 100)
rotation: Quaternion.fromEulerAngles(-90, 0, 0)
x: v3d.radius
materials: [
CustomMaterial {
shadingMode: CustomMaterial.Shaded
fragmentShader: "material_metallic.frag"
}
]
}
}
// A material with custom handling of all the lights, but still using
// the built-in specular function.
Node {
eulerRotation.y: v3d.globalRotation + v3d.separation * 2
Model {
source: "weirdShape.mesh"
scale: Qt.vector3d(100, 100, 100)
rotation: Quaternion.fromEulerAngles(-90, 0, 0)
x: v3d.radius
//! [custom lights]
materials: [
CustomMaterial {
shadingMode: CustomMaterial.Shaded
fragmentShader: "material_customlights.frag"
property color uDiffuse: "orange"
property real uShininess: 150
}
]
//! [custom lights]
}
}
// Custom handling of everything, including specular.
Node {
eulerRotation.y: v3d.globalRotation + v3d.separation * 3
Model {
source: "weirdShape.mesh"
scale: Qt.vector3d(100, 100, 100)
rotation: Quaternion.fromEulerAngles(-90, 0, 0)
x: v3d.radius
materials: [
CustomMaterial {
shadingMode: CustomMaterial.Shaded
fragmentShader: "material_customspecular.frag"
property color uDiffuse: "green"
property real uShininess: 150
}
]
}
}
// Custom lights, plus custom vertex shader
Node {
eulerRotation.y: v3d.globalRotation + v3d.separation * 4
Model {
source: "weirdShape.mesh"
scale: Qt.vector3d(100, 100, 100)
rotation: Quaternion.fromEulerAngles(-90, 0, 0)
x: v3d.radius
//! [custom vertex]
materials: [
CustomMaterial {
id: material
shadingMode: CustomMaterial.Shaded
vertexShader: "material_distortion.vert"
fragmentShader: "material_customlights.frag"
property real uTime: 0.0
property real uAmplitude: 0.3
property color uDiffuse: "yellow"
property real uShininess: 50
NumberAnimation {
target: material
property: "uTime"
from: 0.0
to: 31.4
duration: 10000
loops: Animation.Infinite
running: true
}
}
]
//! [custom vertex]
}
}
// Transparent material, with a refractive effect
//! [transparent]
Model {
id: screenSphere
source: "#Sphere"
scale: Qt.vector3d(0.75, 0.75, 0.75)
y: 60
z: 750;
materials: [
CustomMaterial {
shadingMode: CustomMaterial.Shaded
fragmentShader: "material_transparent.frag"
}
]
//! [transparent]
SequentialAnimation on x {
NumberAnimation { from: 50; to: -50; duration: 20000 }
NumberAnimation { from: -50; to: 50; duration: 20000 }
loops: Animation.Infinite
}
}
}
}
|
