Qt Quick 3D - Particles 3D Testbed Example
/**************************************************************************** ** ** Copyright (C) 2021 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** BSD License Usage ** Alternatively, you may use this file under the terms of the BSD license ** as follows: ** ** "Redistribution and use in source and binary forms, with or without ** modification, are permitted provided that the following conditions are ** met: ** * Redistributions of source code must retain the above copyright ** notice, this list of conditions and the following disclaimer. ** * Redistributions in binary form must reproduce the above copyright ** notice, this list of conditions and the following disclaimer in ** the documentation and/or other materials provided with the ** distribution. ** * Neither the name of The Qt Company Ltd nor the names of its ** contributors may be used to endorse or promote products derived ** from this software without specific prior written permission. ** ** ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ** ** $QT_END_LICENSE$ ** ****************************************************************************/import QtQuick import QtQuick3D import QtQuick3D.Particles3D Item { anchors.fill: parent View3D { anchors.fill: parent environment: SceneEnvironment { clearColor: "#101010" backgroundMode: SceneEnvironment.Color antialiasingMode: settings.antialiasingMode antialiasingQuality: settings.antialiasingQuality } PerspectiveCamera { id: camera position: Qt.vector3d(0, 100, 600) clipFar: 2000 } PointLight { position: Qt.vector3d(200, 600, 400) brightness: 40 ambientColor: Qt.rgba(0.2, 0.2, 0.2, 1.0) } Model { source: "#Rectangle" y: -200 scale: Qt.vector3d(30, 15, 15) eulerRotation.x: -90 materials: [ DefaultMaterial { diffuseColor: Qt.rgba(1.0, 1.0, 1.0, 1.0) } ] } Node { position.y: 150 position.z: -200 NumberAnimation on eulerRotation.y { running: true loops: Animation.Infinite from: 0 to: 360 duration: 10000 } Model { x: 300 source: "#Cube" scale: Qt.vector3d(1.5, 1.5, 1.5) materials: DefaultMaterial { diffuseColor: Qt.rgba(0.9, 0.9, 0.6, 1.0) } eulerRotation.x: parent.eulerRotation.y eulerRotation.z: 20 } Model { x: -300 source: "#Sphere" scale: Qt.vector3d(2.5, 2.5, 2.5) materials: DefaultMaterial { diffuseColor: Qt.rgba(0.9, 0.6, 0.6, 1.0) opacity: 0.4 } } } ParticleSystem3D { id: psystem // Start so that the snowing is in full steam startTime: 15000 SpriteParticle3D { id: snowParticle sprite: Texture { source: "images/snowflake.png" } maxAmount: 1500 * sliderIntensity.sliderValue color: "#ffffff" colorVariation: Qt.vector4d(0.0, 0.0, 0.0, 0.5); fadeInDuration: 1000 fadeOutDuration: 1000 } ParticleEmitter3D { id: emitter particle: snowParticle position: Qt.vector3d(0, 1000, -350) depthBias: -100 scale: Qt.vector3d(15.0, 0.0, 15.0) shape: ParticleShape3D { type: ParticleShape3D.Sphere } particleRotationVariation: Qt.vector3d(180, 180, 180) particleRotationVelocityVariation: Qt.vector3d(50, 50, 50); particleScale: 2.0 particleScaleVariation: 0.5; velocity: VectorDirection3D { direction: Qt.vector3d(0, sliderVelocityY.sliderValue, 0) directionVariation: Qt.vector3d(0, sliderVelocityY.sliderValue * 0.4, 0) } emitRate: sliderEmitRate.sliderValue * sliderIntensity.sliderValue lifeSpan: 15000 } Wander3D { enabled: checkBoxWanderEnabled.checked globalAmount: Qt.vector3d(sliderWanderGlobalAmount.sliderValue, 0, sliderWanderGlobalAmount.sliderValue) globalPace: Qt.vector3d(sliderWanderGlobalPace.sliderValue, 0, sliderWanderGlobalPace.sliderValue) uniqueAmount: Qt.vector3d(sliderWanderUniqueAmount.sliderValue, 0, sliderWanderUniqueAmount.sliderValue) uniquePace: Qt.vector3d(sliderWanderUniquePace.sliderValue, 0, sliderWanderUniquePace.sliderValue) uniqueAmountVariation: sliderWanderUniqueAmountVariation.sliderValue uniquePaceVariation: sliderWanderUniquePaceVariation.sliderValue } PointRotator3D { enabled: checkBoxRotatorEnabled.checked pivotPoint: Qt.vector3d(0, 0, -350) direction: Qt.vector3d(0, 1, 0) magnitude: sliderRotatorMagnitude.sliderValue } } } SettingsView { CustomLabel { text: "Intensity of snowfall" } CustomSlider { id: sliderIntensity sliderValue: 5 fromValue: 1 toValue: 20 } CustomLabel { text: "Emit Rate" } CustomSlider { id: sliderEmitRate sliderValue: 50 fromValue: 1 toValue: 100 } CustomLabel { text: "Start Velocity Y" } CustomSlider { id: sliderVelocityY sliderValue: -100 fromValue: -50 toValue: -500 } CustomLabel { text: "System Rotation" } CustomSlider { id: sliderRotation sliderValue: 0 fromValue: -90 toValue: 90 onSliderValueChanged: { psystem.eulerRotation.z = sliderValue; } } CustomCheckBox { id: checkBoxWanderEnabled text: "Wander: enabled" checked: true } CustomLabel { text: "Wander: globalAmount" } CustomSlider { id: sliderWanderGlobalAmount sliderValue: 50 fromValue: 0 toValue: 100 } CustomLabel { text: "Wander: globalPace" } CustomSlider { id: sliderWanderGlobalPace sliderValue: 0.2 fromValue: 0 toValue: 2.0 } CustomLabel { text: "Wander: uniqueAmount" } CustomSlider { id: sliderWanderUniqueAmount sliderValue: 50 fromValue: 0 toValue: 100 } CustomLabel { text: "Wander: uniquePace" } CustomSlider { id: sliderWanderUniquePace sliderValue: 0.2 fromValue: 0 toValue: 2.0 } CustomLabel { text: "Wander: uniqueAmountVariation" } CustomSlider { id: sliderWanderUniqueAmountVariation sliderValue: 0.5 fromValue: 0.0 toValue: 1.0 } CustomLabel { text: "Wander: uniquePaceVariation" } CustomSlider { id: sliderWanderUniquePaceVariation sliderValue: 0.5 fromValue: 0.0 toValue: 1.0 } CustomCheckBox { id: checkBoxRotatorEnabled text: "PointRotator: enabled" checked: true } CustomLabel { text: "PointRotator: magnitude" } CustomSlider { id: sliderRotatorMagnitude sliderValue: 0.0 fromValue: -100.0 toValue: 100.0 } } LoggingView { anchors.bottom: parent.bottom particleSystems: [psystem] } }