<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>spritegoal.qml Example File | Qt Quick 5.12.6</title> <link rel="stylesheet" type="text/css" href="style/offline-simple.css" /> <script type="text/javascript"> document.getElementsByTagName("link").item(0).setAttribute("href", "style/offline.css"); // loading style sheet breaks anchors that were jumped to before // so force jumping to anchor again setTimeout(function() { var anchor = location.hash; // need to jump to different anchor first (e.g. none) location.hash = "#"; setTimeout(function() { location.hash = anchor; }, 0); }, 0); </script> </head> <body> <div class="header" id="qtdocheader"> <div class="main"> <div class="main-rounded"> <div class="navigationbar"> <table><tr> <td >Qt 5.12</td><td ><a href="qtquick-index.html">Qt Quick</a></td><td ><a href="qtquick-particles-affectors-example.html">Qt Quick Particles Examples - Affectors</a></td><td >spritegoal.qml Example File</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right"><a href="qtquick-index.html">Qt 5.12.6 Reference Documentation</a></td> </tr></table> </div> </div> <div class="content"> <div class="line"> <div class="content mainContent"> <div class="sidebar"><div class="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">spritegoal.qml Example File</h1> <span class="subtitle">particles/affectors/content/spritegoal.qml</span> <!-- $$$particles/affectors/content/spritegoal.qml-description --> <div class="descr"> <a name="details"></a> <pre class="qml"> /**************************************************************************** ** ** Copyright (C) 2017 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 2.0 import QtQuick.Particles 2.0 Item { id: root width: 360 height: 540 MouseArea { id: ma anchors.fill: parent } ParticleSystem { id: sys } Image { source: "../../images/finalfrontier.png" transformOrigin: Item.Center anchors.centerIn: parent NumberAnimation on rotation { from: 0 to: 360 duration: 200000 loops: Animation.Infinite } } ImageParticle { system: sys groups: ["starfield"] source: "qrc:///particleresources/star.png" colorVariation: 0.3 color: "white" } Emitter { id: starField system: sys group: "starfield" emitRate: 80 lifeSpan: 2500 anchors.centerIn: parent //acceleration: AngledDirection {angleVariation: 360; magnitude: 200}//Is this a better effect, more consistent velocity? acceleration: PointDirection { xVariation: 200; yVariation: 200; } size: 0 endSize: 80 sizeVariation: 10 } Emitter { system: sys group: "meteor" emitRate: 12 lifeSpan: 5000 acceleration: PointDirection { xVariation: 80; yVariation: 80; } size: 15 endSize: 300 anchors.centerIn: parent } ImageParticle { system: sys groups: ["meteor"] sprites:[Sprite { id: spinState name: "spinning" source: "../../images/meteor.png" frameCount: 35 frameDuration: 40 randomStart: true to: {"explode":0, "spinning":1} },Sprite { name: "explode" source: "../../images/_explo.png" frameCount: 22 frameDuration: 40 to: {"nullFrame":1} },Sprite {//Not sure if this is needed, but seemed easiest name: "nullFrame" source: "../../images/nullRock.png" frameCount: 1 frameDuration: 1000 } ] } SpriteGoal { groups: ["meteor"] system: sys goalState: "explode" jump: true anchors.fill: rocketShip width: 60 height: 60 } Image { id: rocketShip source: "../../images/rocket.png" anchors.centerIn: holder rotation: (circle.percent+0.25) * 360 z: 2 } Item { id: holder x: circle.x - Math.sin(circle.percent * 6.28316530714)*200 y: circle.y + Math.cos(circle.percent * 6.28316530714)*200 z: 1 } Item { id: circle x: root.width / 1.2 y: root.height / 1.7 property real percent: 0 SequentialAnimation on percent { id: circleAnim1 loops: Animation.Infinite running: true NumberAnimation { duration: 4000 from: 1 to: 0 } } } ImageParticle { z:0 system: sys groups: ["exhaust"] source: "qrc:///particleresources/fuzzydot.png" color: "orange" SequentialAnimation on color { loops: Animation.Infinite ColorAnimation { from: "red" to: "cyan" duration: 1000 } ColorAnimation { from: "cyan" to: "red" duration: 1000 } } colorVariation: 0.2 } Emitter { id: trailsNormal2 system: sys group: "exhaust" emitRate: 300 lifeSpan: 500 y: holder.y x: holder.x velocity: PointDirection { xVariation: 40; yVariation: 40; } velocityFromMovement: 16 acceleration: PointDirection { xVariation: 10; yVariation: 10; } size: 4 sizeVariation: 4 } } </pre> </div> <!-- @@@particles/affectors/content/spritegoal.qml --> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2019 The Qt Company Ltd. 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