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authorAlan Alpert <alan.alpert@nokia.com>2012-06-06 20:28:17 +1000
committerQt by Nokia <qt-info@nokia.com>2012-06-08 07:32:02 +0200
commit8be9f08b8d1db93d5d7e17a4348a7d3cb2fe6c95 (patch)
tree22ab01c988db12074191de426385089ce8e38fd5 /examples/particles/affectors/customaffector.qml
parent04b4445eadb09873821f165074c72c6f477e18d2 (diff)
Update Affector folder of examples to guidelines
Change-Id: I1fa0e8424f94cf954098b7734ba25feab0790828 Reviewed-by: Bea Lam <bea.lam@nokia.com>
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diff --git a/examples/particles/affectors/customaffector.qml b/examples/particles/affectors/customaffector.qml
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-/****************************************************************************
-**
-** 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
-
-Item {
- width: 360
- height: 600
-
- Image {
- source: "../images/backgroundLeaves.jpg"
- anchors.fill: parent
- }
- ParticleSystem {
- id: sys
- }
- Emitter {
- system: sys
- width: parent.width
- emitRate: 4
- lifeSpan: 14000
- size: 80
- speed: PointDirection { y: 60 }
- }
- Wander {
- system: sys
- anchors.fill: parent
- anchors.bottomMargin: 100
- xVariance: 60
- pace: 60
- }
-
- Affector {
- system: sys
- property real coefficient: 0.1
- property real speed: 1.5
- width: parent.width
- height: parent.height - 100
- onAffectParticles: {
- /* //Linear movement
- if (particle.r == 0) {
- particle.r = Math.random() > 0.5 ? -1 : 1;
- }else if (particle.r == 1) {
- particle.rotation += speed * dt;
- if(particle.rotation >= maxAngle)
- particle.r = -1;
- }else if (particle.r == -1) {
- particle.rotation -= speed * dt;
- if(particle.rotation <= -1 * maxAngle)
- particle.r = 1;
- }
- */
- //Wobbly movement
- for (var i=0; i<particles.length; i++) {
- var particle = particles[i];
- if (particle.r == 0.0) {
- particle.r = Math.random() + 0.01;
- }
- particle.rotation += speed * particle.r * dt;
- particle.r -= particle.rotation * coefficient;
- if (particle.r == 0.0)
- particle.r -= particle.rotation * 0.000001;
- particle.update = 1;
- }
- }
- }
-
- Affector {//Custom Friction, adds some 'randomness'
- system: sys
- //onceOff: true
- x: -60
- width: parent.width + 120
- height: 100
- anchors.bottom: parent.bottom
- onAffectParticles: {
- for (var i=0; i<particles.length; i++) {
- var particle = particles[i];
- var pseudoRand = (Math.floor(particle.t*1327) % 10) + 1;
- var yslow = dt * pseudoRand * 0.5 + 1;
- var xslow = dt * pseudoRand * 0.05 + 1;
- if (particle.vy < 1)
- particle.vy = 0;
- else
- particle.vy = (particle.vy / yslow);
- if (particle.vx < 1)
- particle.vx = 0;
- else
- particle.vx = (particle.vx / xslow);
- particle.update = true;
- }
- }
- }
-
- ImageParticle {
- anchors.fill: parent
- id: particles
- system: sys
- sprites: [Sprite {
- source: "../images/realLeaf1.png"
- frameCount: 1
- frameDuration: 1
- to: {"a":1, "b":1, "c":1, "d":1}
- }, Sprite {
- name: "a"
- source: "../images/realLeaf1.png"
- frameCount: 1
- frameDuration: 10000
- },
- Sprite {
- name: "b"
- source: "../images/realLeaf2.png"
- frameCount: 1
- frameDuration: 10000
- },
- Sprite {
- name: "c"
- source: "../images/realLeaf3.png"
- frameCount: 1
- frameDuration: 10000
- },
- Sprite {
- name: "d"
- source: "../images/realLeaf4.png"
- frameCount: 1
- frameDuration: 10000
- }
- ]
-
- width: 100
- height: 100
- x: 20
- y: 20
- z:4
- }
-}