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Diffstat (limited to 'examples/declarative/particles/custom/custom.qml')
-rw-r--r-- | examples/declarative/particles/custom/custom.qml | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/examples/declarative/particles/custom/custom.qml b/examples/declarative/particles/custom/custom.qml deleted file mode 100644 index 84d747964c..0000000000 --- a/examples/declarative/particles/custom/custom.qml +++ /dev/null @@ -1,131 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** 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 - -ParticleSystem{ - id: sys - width: 360 - height: 600 - running: true - Rectangle{ - z: -1 - anchors.fill: parent - color: "black" - Text{ - anchors.bottom: parent.bottom - anchors.horizontalCenter: parent.horizontalCenter - font.pixelSize: 42 - color: "white" - text: "It's all in QML." - } - } - property real petalLength: 180 - property real petalRotation: 0 - NumberAnimation on petalRotation{ - from: 0; - to: 360; - loops: -1; - running: true - duration: 24000 - } - function convert(a){return a*(Math.PI/180);} - Emitter{ - lifeSpan: 4000 - emitRate: 120 - size: 12 - anchors.centerIn: parent - onEmitParticle:{ - particle.startSize = Math.max(12,Math.min(492,Math.tan(particle.t/2)*24)); - var theta = Math.floor(Math.random() * 6.0) / 6.0; - theta *= 2.0*Math.PI; - theta += sys.convert(sys.petalRotation); - particle.initialVX = petalLength * Math.cos(theta); - particle.initialVY = petalLength * Math.sin(theta); - particle.initialAX = particle.initialVX * -0.5; - particle.initialAY = particle.initialVY * -0.5; - } - } - CustomParticle{ - vertexShader:" - uniform lowp float qt_Opacity; - varying lowp float fFade; - varying highp vec2 fPos; - - void main() { - qt_TexCoord0 = qt_ParticleTex; - highp float size = qt_ParticleData.z; - highp float endSize = qt_ParticleData.w; - - highp float t = (qt_Timestamp - qt_ParticleData.x) / qt_ParticleData.y; - - highp float currentSize = mix(size, endSize, t * t); - - if (t < 0. || t > 1.) - currentSize = 0.; - - highp vec2 pos = qt_ParticlePos - - currentSize / 2. + currentSize * qt_ParticleTex // adjust size - + qt_ParticleVec.xy * t * qt_ParticleData.y // apply speed vector.. - + 0.5 * qt_ParticleVec.zw * pow(t * qt_ParticleData.y, 2.); - - gl_Position = qt_Matrix * vec4(pos.x, pos.y, 0, 1); - - highp float fadeIn = min(t * 20., 1.); - highp float fadeOut = 1. - max(0., min((t - 0.75) * 4., 1.)); - - fFade = fadeIn * fadeOut * qt_Opacity; - fPos = vec2(pos.x/360.0, pos.y/600.0); - } - " - fragmentShader: " - varying highp vec2 fPos; - varying lowp float fFade; - varying highp vec2 qt_TexCoord0; - void main() {//*2 because this generates dark colors mostly - highp vec2 circlePos = qt_TexCoord0*2.0 - vec2(1.0,1.0); - highp float dist = length(circlePos); - highp float circleFactor = max(min(1.0 - dist, 1.0), 0.0); - gl_FragColor = vec4(fPos.x*2.0 - fPos.y, fPos.y*2.0 - fPos.x, fPos.x*fPos.y*2.0, 0.0) * circleFactor * fFade; - }" - - } -} |