diff options
Diffstat (limited to 'examples/declarative/particles/custom/shader.qml')
| -rw-r--r-- | examples/declarative/particles/custom/shader.qml | 60 |
1 files changed, 50 insertions, 10 deletions
diff --git a/examples/declarative/particles/custom/shader.qml b/examples/declarative/particles/custom/shader.qml index 6253679cb7..ecc06a6be6 100644 --- a/examples/declarative/particles/custom/shader.qml +++ b/examples/declarative/particles/custom/shader.qml @@ -1,3 +1,43 @@ +/**************************************************************************** +** +** 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 @@ -33,21 +73,21 @@ ParticleSystem{ varying highp vec2 fPos; void main() { - fTex = vTex; - highp float size = vData.z; - highp float endSize = vData.w; + qt_TexCoord0 = qt_ParticleTex; + highp float size = qt_ParticleData.z; + highp float endSize = qt_ParticleData.w; - highp float t = (timestamp - vData.x) / vData.y; + 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 = vPos - - currentSize / 2. + currentSize * vTex // adjust size - + vVec.xy * t * vData.y // apply speed vector.. - + 0.5 * vVec.zw * pow(t * vData.y, 2.); + 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); @@ -61,9 +101,9 @@ ParticleSystem{ fragmentShader: " varying highp vec2 fPos; varying lowp float fFade; - varying highp vec2 fTex; + varying highp vec2 qt_TexCoord0; void main() {//*2 because this generates dark colors mostly - highp vec2 circlePos = fTex*2.0 - vec2(1.0,1.0); + 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; |