Friction and Gravity examples

Change-Id: Ie816f1209711aae3b9cd1465f874919370c26028
Reviewed-on: http://codereview.qt-project.org/4875
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Martin Jones <martin.jones@nokia.com>

2 files changed, 208 insertions, 0 deletions

diff --git a/examples/declarative/particles/affectors/friction.qml b/examples/declarative/particles/affectors/friction.qml
new file mode 100644
index 0000000000..823f924e22
--- /dev/null
+++ b/examples/declarative/particles/affectors/friction.qml
@@ -0,0 +1,108 @@
+/****************************************************************************
+**
+** 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
+
+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: 160; yVariation: 80; xVariation: 20 }
+    }
+    ImageParticle{
+        anchors.fill: parent
+        id: particles
+        system: sys
+        sprites: [Sprite{
+                source: "../images/realLeaf1.png"
+                frames: 1
+                duration: 1
+                to: {"a":1, "b":1, "c":1, "d":1}
+            }, Sprite{
+                name: "a"
+                source: "../images/realLeaf1.png"
+                frames: 1
+                duration: 10000
+            },
+            Sprite{
+                name: "b"
+                source: "../images/realLeaf2.png"
+                frames: 1
+                duration: 10000
+            },
+            Sprite{
+                name: "c"
+                source: "../images/realLeaf3.png"
+                frames: 1
+                duration: 10000
+            },
+            Sprite{
+                name: "d"
+                source: "../images/realLeaf4.png"
+                frames: 1
+                duration: 10000
+            }
+        ]
+
+        width: 100
+        height: 100
+        x: 20
+        y: 20
+        z:4
+    }
+    Friction {
+        anchors.fill: parent
+        anchors.margins: -40
+        system: sys
+        factor: 0.4
+    }
+}
diff --git a/examples/declarative/particles/affectors/gravity.qml b/examples/declarative/particles/affectors/gravity.qml
new file mode 100644
index 0000000000..d1f54a37fa
--- /dev/null
+++ b/examples/declarative/particles/affectors/gravity.qml
@@ -0,0 +1,100 @@
+/****************************************************************************
+**
+** 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
+
+Item {
+    id: window
+    width: 480; height: 480
+    Rectangle {
+        id: sky
+        anchors.fill: parent
+        gradient: Gradient {
+            GradientStop {
+                position: 0.0
+                color: "DeepSkyBlue"
+            }
+            GradientStop {
+                position: 1.0
+                color: "SkyBlue"
+            }
+        }
+    }
+    Rectangle {
+        id: ground
+        width: parent.width * 2
+        height: parent.height
+        y: parent.height/2
+        x: -parent.height/2
+        transformOrigin: Item.Top
+        rotation: 0
+        gradient: Gradient {
+            GradientStop { position: 0.0; color: "ForestGreen"; }
+            GradientStop { position: 1.0; color: "DarkGreen"; }
+        }
+    }
+    MouseArea{
+        anchors.fill: parent
+        onPositionChanged: {
+            var rot = Math.atan2(mouseY - window.height/2,mouseX - window.width/2) * 180/Math.PI;
+            ground.rotation = rot;
+        }
+    }
+    ParticleSystem { id: sys }
+    Gravity {
+        system: sys
+        angle: ground.rotation + 90
+        acceleration: 32
+    }
+    Emitter {
+        system: sys
+        anchors.centerIn: parent
+        emitRate: 1
+        lifeSpan: 10000
+        size: 64
+    }
+    ImageParticle{
+        anchors.fill: parent
+        system: sys
+        source: "../images/realLeaf1.png"
+    }
+
+}