diff options
author | Alan Alpert <alan.alpert@nokia.com> | 2012-06-18 14:13:31 +1000 |
---|---|---|
committer | Qt by Nokia <qt-info@nokia.com> | 2012-06-29 04:05:44 +0200 |
commit | f4e75e134f5712156ad2b720b48265da683dda94 (patch) | |
tree | d521ea46a3222f6e31f5e646b8dc35b7125e6abc /examples/particles/customparticle/fragmentshader.qml | |
parent | 5df94d89033e7bbb3f41840a4c07a628ed66b4d5 (diff) |
Update particles examples en masse
Change-Id: I882f59c687d790bc55cf59abf6f0ea80b65b50d9
Reviewed-by: Alan Alpert <alan.alpert@nokia.com>
Diffstat (limited to 'examples/particles/customparticle/fragmentshader.qml')
-rw-r--r-- | examples/particles/customparticle/fragmentshader.qml | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/examples/particles/customparticle/fragmentshader.qml b/examples/particles/customparticle/fragmentshader.qml deleted file mode 100644 index 367cc99b7b..0000000000 --- a/examples/particles/customparticle/fragmentshader.qml +++ /dev/null @@ -1,115 +0,0 @@ -/**************************************************************************** -** -** 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 - -ParticleSystem { - id: root - width: 1024 - height: 768 - Rectangle { - z: -1 - anchors.fill: parent - color: "black" - Text { - anchors.bottom: parent.bottom - anchors.horizontalCenter: parent.horizontalCenter - font.pixelSize: 36 - color: "white" - text: "It's all in the fragment shader." - } - } - - Emitter { - emitRate: 400 - lifeSpan: 8000 - size: 24 - sizeVariation: 16 - velocity: PointDirection {x: root.width/10; y: root.height/10;} - //acceleration: AngledDirection {angle:225; magnitude: root.width/36; angleVariation: 45; magnitudeVariation: 80} - acceleration: PointDirection {x: -root.width/40; y: -root.height/40; xVariation: -root.width/20; yVariation: -root.width/20} - } - - 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 velocity 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/1024., pos.y/768.); - } - " - 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; - }" - - } -} |