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Diffstat (limited to 'basicsuite/mediaplayer/Effects/EffectShockwave.qml')
-rwxr-xr-x | basicsuite/mediaplayer/Effects/EffectShockwave.qml | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/basicsuite/mediaplayer/Effects/EffectShockwave.qml b/basicsuite/mediaplayer/Effects/EffectShockwave.qml new file mode 100755 index 0000000..1078b73 --- /dev/null +++ b/basicsuite/mediaplayer/Effects/EffectShockwave.qml @@ -0,0 +1,109 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the Qt Mobility Components. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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 Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +import QtQuick 2.0 + +Effect { + id: root + parameters: ListModel { + ListElement { + name: "amplitude" + value: 0.5 + } + } + + // Transform slider values, and bind result to shader uniforms + property real granularity: parameters.get(0).value * 20 + property real weight: parameters.get(0).value + + property real centerX + property real centerY + property real time + + SequentialAnimation { + running: true + loops: Animation.Infinite + ScriptAction { + script: { + centerX = Math.random() + centerY = Math.random() + } + } + NumberAnimation { + target: root + property: "time" + from: 0 + to: 1 + duration: 1000 + } + } + + fragmentShaderSrc: "uniform float centerX; + uniform float centerY; + uniform float dividerValue; + uniform float granularity; + uniform float time; + uniform float weight; + + uniform sampler2D source; + uniform lowp float qt_Opacity; + varying vec2 qt_TexCoord0; + + void main() + { + vec2 uv = qt_TexCoord0.xy; + vec2 tc = qt_TexCoord0; + vec2 center = vec2(centerX, centerY); + const vec3 shock = vec3(10.0, 1.5, 0.1); + if (uv.x < dividerValue) { + float distance = distance(uv, center); + if ((distance <= (time + shock.z)) && + (distance >= (time - shock.z))) { + float diff = (distance - time); + float powDiff = 1.0 - pow(abs(diff*shock.x), shock.y*weight); + float diffTime = diff * powDiff; + vec2 diffUV = normalize(uv - center); + tc += (diffUV * diffTime); + } + } + gl_FragColor = qt_Opacity * texture2D(source, tc); + }" +} |