mirror of https://github.com/qt/qtdoc.git
86 lines
2.2 KiB
QML
86 lines
2.2 KiB
QML
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// Copyright (C) 2024 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
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import QtQuick
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import QtQuick3D
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import QtQuick3D.Helpers
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import QtMultimedia
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Node {
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id: fire
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scale: Qt.vector3d(1, 1, 1)
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property alias windDir: material.windDir
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property alias windstrength: material.windstrength
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property alias fireColor: material.color
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property alias lightColor: light.color
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property alias baseSize: material.baseSize
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property real brightness: 10
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property real life: 0
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readonly property bool isOn: (life > 0)
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function start() {
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life = 1
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}
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function stop() {
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life = 0
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}
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Behavior on life {
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NumberAnimation {
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duration: 500
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easing.type: Easing.OutBack
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}
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}
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CustomMaterial {
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id: material
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shadingMode: CustomMaterial.Unshaded
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sourceBlend: CustomMaterial.One
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destinationBlend: CustomMaterial.OneMinusSrcColor
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sourceAlphaBlend: CustomMaterial.One
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destinationAlphaBlend: CustomMaterial.OneMinusSrcColor
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cullMode: Material.NoCulling
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vertexShader: "media/shaders/fire.vert"
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fragmentShader: "media/shaders/fire.frag"
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property real time: 0
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property color color: "white"
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property real baseSize: 0
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FrameAnimation {
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id: frameAnimation
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running: true
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onTriggered: {
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material.time += 0.1 * frameTime
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}
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}
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property real windstrength: 1.0
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property vector2d windDir: Qt.vector2d(0.5, 0.5);
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property TextureInput fireTexture : TextureInput {
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texture: Texture {
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sourceItem: FireResources.fireVideo
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}
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}
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property TextureInput turbulence : TextureInput {
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texture: CommonResources.turbulenceTexture
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}
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}
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PointLight {
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id: light
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brightness:fire.brightness * fire.life + 0.01
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color: "orange"
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}
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Model {
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visible: fire.isOn
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materials: [
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material
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]
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opacity: Math.min(1., fire.life)
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scale: Qt.vector3d(fire.life, fire.life, fire.life)
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geometry: FireResources.fireMesh
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}
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}
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