1 files changed, 91 insertions, 0 deletions
diff --git a/basicsuite/qt5-launchpresentation/particles/customemitter.qml b/basicsuite/qt5-launchpresentation/particles/customemitter.qml
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+++ b/basicsuite/qt5-launchpresentation/particles/customemitter.qml
@@ -0,0 +1,91 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** 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 Digia Plc 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: 320
+    height: 480
+    running: true
+
+    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
+        //! [0]
+        onEmitParticles: {
+            for (var i=0; i<particles.length; i++) {
+                var particle = particles[i];
+                particle.startSize = Math.max(02,Math.min(492,Math.tan(particle.t/2)*24));
+                var theta = Math.floor(Math.random() * 6.0);
+                particle.red = theta == 0 || theta == 1 || theta == 2 ? 0.2 : 1;
+                particle.green = theta == 2 || theta == 3 || theta == 4 ? 0.2 : 1;
+                particle.blue = theta == 4 || theta == 5 || theta == 0 ? 0.2 : 1;
+                theta /= 6.0;
+                theta *= 2.0*Math.PI;
+                theta += sys.convert(sys.petalRotation);//Convert from degrees to radians
+                particle.initialVX = petalLength * Math.cos(theta);
+                particle.initialVY = petalLength * Math.sin(theta);
+                particle.initialAX = particle.initialVX * -0.5;
+                particle.initialAY = particle.initialVY * -0.5;
+            }
+        }
+        //! [0]
+    }
+
+    ImageParticle {
+        source: "particle4.png"
+        alpha: 0.0
+    }
+}