diff options
Diffstat (limited to 'examples/particles/emitters/velocityfrommotion.qml')
| -rw-r--r-- | examples/particles/emitters/velocityfrommotion.qml | 311 |
1 files changed, 311 insertions, 0 deletions
diff --git a/examples/particles/emitters/velocityfrommotion.qml b/examples/particles/emitters/velocityfrommotion.qml new file mode 100644 index 0000000000..7ad2b4d6c4 --- /dev/null +++ b/examples/particles/emitters/velocityfrommotion.qml @@ -0,0 +1,311 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** 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 Nokia Corporation and its Subsidiary(-ies) 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 + + height: 540 + width: 360 + + gradient: Gradient { + GradientStop { position: 0; color: "#000020" } + GradientStop { position: 1; color: "#000000" } + } + + MouseArea { + id: mouseArea + anchors.fill: root + } + + ParticleSystem { id: sys1 } + ImageParticle { + system: sys1 + source: "../images/particle.png" + color: "cyan" + alpha: 0 + SequentialAnimation on color { + loops: Animation.Infinite + ColorAnimation { + from: "cyan" + to: "magenta" + duration: 1000 + } + ColorAnimation { + from: "magenta" + to: "blue" + duration: 2000 + } + ColorAnimation { + from: "blue" + to: "violet" + duration: 2000 + } + ColorAnimation { + from: "violet" + to: "cyan" + duration: 2000 + } + } + colorVariation: 0.3 + } + Emitter { + id: trailsNormal + system: sys1 + + emitRate: 500 + lifeSpan: 2000 + + + y: mouseArea.pressed ? mouseArea.mouseY : circle.cy + x: mouseArea.pressed ? mouseArea.mouseX : circle.cx + + speed: PointDirection {xVariation: 4; yVariation: 4;} + acceleration: PointDirection {xVariation: 10; yVariation: 10;} + speedFromMovement: 8 + + size: 8 + sizeVariation: 4 + } + ParticleSystem { id: sys2 } + ImageParticle { + color: "cyan" + system: sys2 + alpha: 0 + SequentialAnimation on color { + loops: Animation.Infinite + ColorAnimation { + from: "magenta" + to: "cyan" + duration: 1000 + } + ColorAnimation { + from: "cyan" + to: "magenta" + duration: 2000 + } + } + colorVariation: 0.5 + source: "../images/star.png" + } + Emitter { + id: trailsStars + system: sys2 + + emitRate: 100 + lifeSpan: 2200 + + + y: mouseArea.pressed ? mouseArea.mouseY : circle.cy + x: mouseArea.pressed ? mouseArea.mouseX : circle.cx + + speed: PointDirection {xVariation: 4; yVariation: 4;} + acceleration: PointDirection {xVariation: 10; yVariation: 10;} + speedFromMovement: 8 + + size: 22 + sizeVariation: 4 + } + ParticleSystem { id: sys3; } + ImageParticle { + source: "../images/particle.png" + system: sys3 + color: "orange" + alpha: 0 + SequentialAnimation on color { + loops: Animation.Infinite + ColorAnimation { + from: "red" + to: "green" + duration: 2000 + } + ColorAnimation { + from: "green" + to: "red" + duration: 2000 + } + } + + colorVariation: 0.2 + + } + Emitter { + id: trailsNormal2 + system: sys3 + + emitRate: 300 + lifeSpan: 2000 + + y: mouseArea.pressed ? mouseArea.mouseY : circle2.cy + x: mouseArea.pressed ? mouseArea.mouseX : circle2.cx + + speedFromMovement: 16 + + speed: PointDirection {xVariation: 4; yVariation: 4;} + acceleration: PointDirection {xVariation: 10; yVariation: 10;} + + size: 12 + sizeVariation: 4 + } + ParticleSystem { id: sys4; } + ImageParticle { + system: sys4 + source: "../images/star.png" + color: "green" + alpha: 0 + SequentialAnimation on color { + loops: Animation.Infinite + ColorAnimation { + from: "green" + to: "red" + duration: 2000 + } + ColorAnimation { + from: "red" + to: "green" + duration: 2000 + } + } + + colorVariation: 0.5 + } + Emitter { + id: trailsStars2 + system: sys4 + + emitRate: 50 + lifeSpan: 2200 + + + y: mouseArea.pressed ? mouseArea.mouseY : circle2.cy + x: mouseArea.pressed ? mouseArea.mouseX : circle2.cx + + speedFromMovement: 16 + speed: PointDirection {xVariation: 2; yVariation: 2;} + acceleration: PointDirection {xVariation: 10; yVariation: 10;} + + size: 22 + sizeVariation: 4 + } + + + + color: "white" + + Item { + id: circle + //anchors.fill: parent + property real radius: 0 + property real dx: root.width / 2 + property real dy: root.height / 2 + property real cx: radius * Math.sin(percent*6.283185307179) + dx + property real cy: radius * Math.cos(percent*6.283185307179) + dy + property real percent: 0 + + SequentialAnimation on percent { + loops: Animation.Infinite + running: true + NumberAnimation { + duration: 1000 + from: 1 + to: 0 + loops: 8 + } + NumberAnimation { + duration: 1000 + from: 0 + to: 1 + loops: 8 + } + + } + + SequentialAnimation on radius { + loops: Animation.Infinite + running: true + NumberAnimation { + duration: 4000 + from: 0 + to: 100 + } + NumberAnimation { + duration: 4000 + from: 100 + to: 0 + } + } + } + + Item { + id: circle3 + property real radius: 100 + property real dx: root.width / 2 + property real dy: root.height / 2 + property real cx: radius * Math.sin(percent*6.283185307179) + dx + property real cy: radius * Math.cos(percent*6.283185307179) + dy + property real percent: 0 + + SequentialAnimation on percent { + loops: Animation.Infinite + running: true + NumberAnimation { from: 0.0; to: 1 ; duration: 10000; } + } + } + + Item { + id: circle2 + property real radius: 30 + property real dx: circle3.cx + property real dy: circle3.cy + property real cx: radius * Math.sin(percent*6.283185307179) + dx + property real cy: radius * Math.cos(percent*6.283185307179) + dy + property real percent: 0 + + SequentialAnimation on percent { + loops: Animation.Infinite + running: true + NumberAnimation { from: 0.0; to: 1 ; duration: 1000; } + } + } + +} |