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 { id: mainWindow anchors.fill: parent View3D { anchors.fill: parent environment: SceneEnvironment { clearColor: "#202020" backgroundMode: SceneEnvironment.Color antialiasingMode: settings.antialiasingMode antialiasingQuality: settings.antialiasingQuality } PerspectiveCamera { id: camera position: Qt.vector3d(0, 0, 600) } PointLight { position: Qt.vector3d(0, 400, 0) brightness: 10 ambientColor: Qt.rgba(0.3, 0.3, 0.3, 1.0) } // Model shared between particles Component { id: particleComponent Model { source: "#Cube" scale: Qt.vector3d(0.02, 0.02, 0.15) materials: DefaultMaterial { lighting: DefaultMaterial.NoLighting } } } Model { id: emittingSphere source: "#Sphere" scale: Qt.vector3d(0.5, 0.5, 0.5) materials: DefaultMaterial { opacity: 0.4 } position: Qt.vector3d(-200, 100, 0) SequentialAnimation on x { running: true loops: Animation.Infinite NumberAnimation { to: -100 duration: 2000 easing.type: Easing.InOutQuad } NumberAnimation { to: -200 duration: 2000 easing.type: Easing.InOutQuad } } // Emitters, one per particle ParticleEmitter3D { system: psystem particle: particleRed shape: ParticleShape3D { type: ParticleShape3D.Sphere fill: true } emitRate: 200 lifeSpan: 2000 } ParticleEmitter3D { id: emitter2 system: psystem particle: particleGreen shape: ParticleShape3D { type: ParticleShape3D.Sphere fill: true } emitRate: 200 lifeSpan: 5000 velocity: VectorDirection3D { direction: Qt.vector3d(200, 200, 0) directionVariation: Qt.vector3d(50, 50, 50) } particleRotationVelocityVariation: Qt.vector3d(500.0, 500.0, 500.0) } ParticleEmitter3D { system: psystem particle: particleWhite shape: ParticleShape3D { type: ParticleShape3D.Sphere fill: true } emitRate: 200 lifeSpan: 2000 depthBias: 10 } } Model { id: targetSphere source: "#Sphere" materials: DefaultMaterial { opacity: 0.2 } y: -200 SequentialAnimation on x { running: true loops: Animation.Infinite NumberAnimation { to: 200 duration: 3500 easing.type: Easing.InOutQuad } NumberAnimation { to: 0 duration: 3500 easing.type: Easing.InOutQuad } } Attractor3D { system: psystem particles: [particleRed] // Attract into a position positionVariation: Qt.vector3d(10, 10, 10) duration: sliderDuration2.sliderValue durationVariation: sliderDuration2Variation.sliderValue hideAtEnd: checkBoxHide2.checked } Attractor3D { system: psystem particles: [particleGreen] // Attract into a shape shape: ParticleShape3D { type: ParticleShape3D.Sphere fill: false } duration: sliderDuration1.sliderValue durationVariation: sliderDuration1Variation.sliderValue hideAtEnd: checkBoxHide1.checked } } ParticleSystem3D { id: psystem // Particles ModelParticle3D { id: particleRed delegate: particleComponent maxAmount: 400 color: "#ff0000" colorVariation: Qt.vector4d(0, 0, 0, 0.5) alignMode: Particle3D.AlignTowardsTarget alignTargetPosition: targetSphere.position } ModelParticle3D { id: particleGreen delegate: particleComponent maxAmount: 1000 color: "#00ff00" colorVariation: Qt.vector4d(0, 0, 0, 0.5) } SpriteParticle3D { id: particleWhite sprite: Texture { source: "images/dot.png" } maxAmount: 400 color: "#ffffff" colorVariation: Qt.vector4d(0, 0, 0, 0.5) } // Attractor inside ParticleSystem Attractor3D { particles: [particleWhite] // Attract into a position position: Qt.vector3d(-100, -250, 0) positionVariation: Qt.vector3d(100, 10, 10) duration: 1500 } Wander3D { particles: [particleGreen] uniqueAmount: Qt.vector3d(10, 10, 10) uniquePace: Qt.vector3d(1, 1, 1) uniqueAmountVariation: 8 uniquePaceVariation: 0.8 } } } SettingsView { CustomLabel { text: "Attractor 1: Duration" } CustomSlider { id: sliderDuration1 sliderValue: 3000 fromValue: 1000 toValue: 5000 } CustomLabel { text: "Attractor 1: Duration Variation" } CustomSlider { id: sliderDuration1Variation sliderValue: 500 fromValue: 0 toValue: 2000 } CustomCheckBox { id: checkBoxHide1 text: "Attractor 1: Hide at end" checked: false } Item { width: 1 height: 40 } CustomLabel { text: "Attractor 2: Duration" } CustomSlider { id: sliderDuration2 sliderValue: 1500 fromValue: 1000 toValue: 5000 } CustomLabel { text: "Attractor 2: Duration Variation" } CustomSlider { id: sliderDuration2Variation sliderValue: 500 fromValue: 0 toValue: 2000 } CustomCheckBox { id: checkBoxHide2 text: "Attractor 2: Hide at end" checked: false } } LoggingView { anchors.bottom: parent.bottom particleSystems: [psystem] } }