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Diffstat (limited to 'basicsuite/qt5-everywhere/demos/shaders/Logo.qml')
| -rw-r--r-- | basicsuite/qt5-everywhere/demos/shaders/Logo.qml | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/basicsuite/qt5-everywhere/demos/shaders/Logo.qml b/basicsuite/qt5-everywhere/demos/shaders/Logo.qml new file mode 100644 index 0000000..2e2617a --- /dev/null +++ b/basicsuite/qt5-everywhere/demos/shaders/Logo.qml @@ -0,0 +1,191 @@ +/**************************************************************************** +** +** 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 + +Item { + id: root + + property int logoSize: Math.min(parent.height, parent.width) / 2 + property int logoSizeDivider: 1 + property int logoState: 1 + property double posX: parent.width / 2 + property double posY: parent.height / 2 + property double rot: 0 + property double dx: 10 + property double dy: 10 + property double drot: 1 + property string explodeColor: "#ff3333" + + function play() { + randomValues(); + animationTimer.restart() + } + + function logoClicked() { + switch(root.logoState) { + case 1: { + parent.createNewLogos(root.posX,root.posY,logoSize,2) + parent.decreaseCounter(); + logo.visible = false; + root.logoState = 2; + root.explodeColor = "#33ff33" + explodeAnimation.restart() + break; + } + default: { + // return true if we must destroy this logo + if (parent.decreaseCounter(root.posX,root.posY) === true) { + logo.visible = false; + root.logoState = 2; + root.dx = 0; + root.dy = 0; + root.drot = 0; + root.explodeColor = "#ff3333" + explodeAnimation.restart() + } + else { // It was last logo, we will keep it + root.logoState = 1 + root.logoSizeDivider = 1 + root.explodeColor = "#3333ff" + explodeAnimation.restart() + } + break; + } + } + + } + + function randomValues() { + root.dx = Math.random()*5 + root.dy = Math.random()*5 + root.drot = Math.floor(Math.random()*10) - 5 + } + + function move() { + var x = root.posX + root.dx; + var y = root.posY + root.dy; + var limit = logoSize / logoState; + + // Check x + if (x + limit >= parent.width) { + x = parent.width - limit; + root.dx = -root.dx; + } + else if (x <= 0) { + x = 0; + root.dx = -root.dx; + } + + // Check y + if (y + limit >= parent.height) { + y = parent.height - limit; + root.dy = -root.dy; + } + else if (y <= 0) { + y = 0; + root.dy = -root.dy; + } + + root.posX = x + root.posY = y + root.rot = root.rot + root.drot + } + + ParticleSystem{ + id: particleSystem; + anchors.fill: logo + + Emitter { + id: emitter + anchors.fill: particleSystem + enabled: false + emitRate: 1000 + lifeSpan: 500 + size: logo.height * .5 + endSize: logo.height * .1 + velocity: AngleDirection { angleVariation: 360; magnitudeVariation: 160 } + } + + ImageParticle { + id: smokeParticle + source: "images/particle-smoke.png" + alpha: 0.3 + alphaVariation: 0.1 + color: root.explodeColor + } + } + + Timer { + id: animationTimer + interval: 20 + running: false + repeat: true + onTriggered: move(); + } + + Image { + id: logo + width: (logoSize / logoSizeDivider) + height: (logoSize / logoSizeDivider) + x: root.posX + y: root.posY + rotation: root.rot + source: "images/qt-logo.png" + + MouseArea { + anchors.fill: parent + onClicked: logoClicked(); + } + } + + SequentialAnimation { + id: explodeAnimation + running: false + ScriptAction { script: emitter.pulse(100); } + PauseAnimation { duration: 600 } + onRunningChanged: { + if (!explodeAnimation.running && root.logoState > 1) + root.destroy(); + } + } + +} |