diff options
Diffstat (limited to 'basicsuite/qt5-everywhere/demos/particledemo/particledemo.qml')
| -rw-r--r-- | basicsuite/qt5-everywhere/demos/particledemo/particledemo.qml | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/basicsuite/qt5-everywhere/demos/particledemo/particledemo.qml b/basicsuite/qt5-everywhere/demos/particledemo/particledemo.qml new file mode 100644 index 0000000..c3f8253 --- /dev/null +++ b/basicsuite/qt5-everywhere/demos/particledemo/particledemo.qml @@ -0,0 +1,213 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** 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 Digia Plc 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: particleRoot + color: "#000000" + anchors.fill: parent + + property real distance: parent.height*.4 + property real angle: 0 + property real movement: 0 + property alias running: angleAnimation.running + property int pointCount: mouseArea.pointCount + multiPointTouchArea.pointCount + + BootScreenDemo { + width: Math.min(parent.width,parent.height) + height: width + anchors.centerIn: parent + z: 1 + onFinished: { + distanceAnimation.restart() + angleAnimation.restart() + } + } + + RotationAnimation on angle { + id: angleAnimation + from: 0 + to: 360 + running: false + duration: distanceAnimation.delay + direction: RotationAnimation.Shortest + loops: Animation.Infinite + } + + SequentialAnimation on distance { + id: distanceAnimation + property int easingType:0 + property int delay: 1000 + running: false + + NumberAnimation { + from: 0 + to: parent.height*.4 + duration: distanceAnimation.delay/2 + easing.type: distanceAnimation.easingType + } + + NumberAnimation { + from: parent.height*.4 + to: 0 + duration: distanceAnimation.delay/2 + easing.type: distanceAnimation.easingType + } + + onRunningChanged: { + if (!running){ + var type = Math.floor(Math.random()*10) + switch (type){ + case 0: + distanceAnimation.easingType=Easing.InOutBack + break; + case 1: + distanceAnimation.easingType=Easing.InOutBounce + break; + case 2: + distanceAnimation.easingType=Easing.InOutCirc + break; + case 3: + distanceAnimation.easingType=Easing.InOutElastic + break; + case 4: + distanceAnimation.easingType=Easing.InOutSine + break; + case 5: + distanceAnimation.easingType=Easing.OutInQuad + break; + case 6: + distanceAnimation.easingType=Easing.OutInCubic + break; + case 7: + distanceAnimation.easingType=Easing.OutExpo + break; + case 8: + distanceAnimation.easingType=Easing.OutCurve + break; + default: + distanceAnimation.easingType=Easing.Linear + break; + } + + distanceAnimation.delay = 500 + Math.floor(Math.random()*1500) + angleAnimation.from = 180 + Math.random()*90 - 45 + particleRoot.movement = Math.random()*2 + angleAnimation.restart() + distanceAnimation.restart() + } + } + } + + /** + * Create five ParticleSysComponents for drawing particles + * in the place of multitouch points with the given color. + */ + ParticleSysComponent{ id: p1; particleColor: "#ff0000"; startAngle: 1*360/(5-particleRoot.pointCount); } + ParticleSysComponent{ id: p2; particleColor: "#00ff00"; startAngle: 2*360/(5-particleRoot.pointCount); } + ParticleSysComponent{ id: p3; particleColor: "#0000ff"; startAngle: 3*360/(5-particleRoot.pointCount); } + ParticleSysComponent{ id: p4; particleColor: "#ffff00"; startAngle: 4*360/(5-particleRoot.pointCount); } + ParticleSysComponent{ id: p5; particleColor: "#ff00ff"; startAngle: 5*360/(5-particleRoot.pointCount); } + + /** + * In this demo we only support five touch point at the same time. + * One from mouseArea (because of Desktop-support) and four from MultiPointTouchArea. + */ + MultiPointTouchArea { + id: multiPointTouchArea + anchors.fill: parent + minimumTouchPoints: 1 + maximumTouchPoints: 6 + + property int pointCount:0 + + touchPoints: [ + TouchPoint { id: point1 }, + TouchPoint { id: point2 }, + TouchPoint { id: point3 }, + TouchPoint { id: point4 } + ] + + onPressed: updatePointCount() + onReleased: updatePointCount() + onTouchUpdated: { + p2.touchX = point1.x; p2.touchY = point1.y; p2.pressed = point1.pressed; + p3.touchX = point2.x; p3.touchY = point2.y; p3.pressed = point2.pressed; + p4.touchX = point3.x; p4.touchY = point3.y; p4.pressed = point3.pressed; + p5.touchX = point4.x; p5.touchY = point4.y; p5.pressed = point4.pressed; + } + + function updatePointCount(){ + var tmp = 0 + for (var i=0; i<4; i++) { + if (touchPoints[i].pressed) + tmp++ + } + pointCount = tmp + } + } + + /** + * For desktop. + */ + MouseArea { + id: mouseArea + anchors.fill: parent + + property int pointCount:0 + + onPressed: { + pointCount = 1; + p1.touchX = mouse.x; + p1.touchY = mouse.y; + p1.pressed = true; + } + onReleased: { + pointCount = 0; + p1.pressed = false; + } + onPositionChanged: { + p1.touchX = mouse.x; + p1.touchY = mouse.y; + } + } +} |