trailemitter.qml Example File
particles/emitters/content/trailemitter.qml/**************************************************************************** ** ** Copyright (C) 2015 The Qt Company Ltd. ** Contact: http://www.qt.io/licensing/ ** ** This file is part of the examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** 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 2.0 import QtQuick.Particles 2.0 Rectangle { id: root width: 360 height: 540 color: "black" ParticleSystem { id: particles anchors.fill: parent ImageParticle { id: smoke system: particles anchors.fill: parent groups: ["A", "B"] source: "qrc:///particleresources/glowdot.png" colorVariation: 0 color: "#00111111" } ImageParticle { id: flame anchors.fill: parent system: particles groups: ["C", "D"] source: "qrc:///particleresources/glowdot.png" colorVariation: 0.1 color: "#00ff400f" } Emitter { id: fire system: particles group: "C" y: parent.height width: parent.width emitRate: 350 lifeSpan: 3500 acceleration: PointDirection { y: -17; xVariation: 3 } velocity: PointDirection {xVariation: 3} size: 24 sizeVariation: 8 endSize: 4 } TrailEmitter { id: fireSmoke group: "B" system: particles follow: "C" width: root.width height: root.height - 68 emitRatePerParticle: 1 lifeSpan: 2000 velocity: PointDirection {y:-17*6; yVariation: -17; xVariation: 3} acceleration: PointDirection {xVariation: 3} size: 36 sizeVariation: 8 endSize: 16 } TrailEmitter { id: fireballFlame anchors.fill: parent system: particles group: "D" follow: "E" emitRatePerParticle: 120 lifeSpan: 180 emitWidth: TrailEmitter.ParticleSize emitHeight: TrailEmitter.ParticleSize emitShape: EllipseShape{} size: 16 sizeVariation: 4 endSize: 4 } TrailEmitter { id: fireballSmoke anchors.fill: parent system: particles group: "A" follow: "E" emitRatePerParticle: 128 lifeSpan: 2400 emitWidth: TrailEmitter.ParticleSize emitHeight: TrailEmitter.ParticleSize emitShape: EllipseShape{} velocity: PointDirection {yVariation: 16; xVariation: 16} acceleration: PointDirection {y: -16} size: 24 sizeVariation: 8 endSize: 8 } Emitter { id: balls system: particles group: "E" y: parent.height width: parent.width emitRate: 2 lifeSpan: 7000 velocity: PointDirection {y:-17*4*2; xVariation: 6*6} acceleration: PointDirection {y: 17*2; xVariation: 6*6} size: 8 sizeVariation: 4 } Turbulence { //A bit of turbulence makes the smoke look better anchors.fill: parent groups: ["A","B"] strength: 32 system: particles } } }
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