examples/declarative/toys/tvtennis/tvtennis.qml
changeset 30 5dc02b23752f
child 33 3e2da88830cd
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/declarative/toys/tvtennis/tvtennis.qml	Tue Jul 06 15:10:48 2010 +0300
@@ -0,0 +1,111 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtDeclarative module 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 Qt 4.7
+
+Rectangle {
+    id: page
+    width: 640; height: 480
+    color: "Black"
+
+    // Make a ball to bounce
+    Rectangle {
+        id: ball
+
+        // Add a property for the target y coordinate
+        property int targetY : page.height - 10
+        property variant direction : "right"
+
+        x: 20; width: 20; height: 20; z: 1
+        color: "Lime"
+
+        // Move the ball to the right and back to the left repeatedly
+        SequentialAnimation on x {
+            loops: Animation.Infinite
+            NumberAnimation { to: page.width - 40; duration: 2000 }
+            PropertyAction { target: ball; property: "direction"; value: "left" }
+            NumberAnimation { to: 20; duration: 2000 }
+            PropertyAction { target: ball; property: "direction"; value: "right" }
+        }
+
+        // Make y follow the target y coordinate, with a velocity of 200
+        SpringFollow on y { to: ball.targetY; velocity: 200 }
+
+        // Detect the ball hitting the top or bottom of the view and bounce it
+        onYChanged: {
+            if (y <= 0) {
+                targetY = page.height - 20;
+            } else if (y >= page.height - 20) {
+                targetY = 0;
+            }
+        }
+    }
+
+    // Place bats to the left and right of the view, following the y
+    // coordinates of the ball.
+    Rectangle {
+        id: leftBat
+        color: "Lime"
+        x: 2; width: 20; height: 90
+        SpringFollow on y {
+            to: ball.y - 45; velocity: 300
+            enabled: ball.direction == 'left'
+        }
+    }
+    Rectangle {
+        id: rightBat
+        color: "Lime"
+        x: page.width - 22; width: 20; height: 90
+        SpringFollow on y {
+            to: ball.y-45; velocity: 300
+            enabled: ball.direction == 'right'
+        }
+    }
+
+    // The rest, to make it look realistic, if neither ever scores...
+    Rectangle { color: "Lime"; x: page.width/2-80; y: 0; width: 40; height: 60 }
+    Rectangle { color: "Black"; x: page.width/2-70; y: 10; width: 20; height: 40 }
+    Rectangle { color: "Lime"; x: page.width/2+40; y: 0; width: 40; height: 60 }
+    Rectangle { color: "Black"; x: page.width/2+50; y: 10; width: 20; height: 40 }
+    Repeater {
+        model: page.height / 20
+        Rectangle { color: "Lime"; x: page.width/2-5; y: index * 20; width: 10; height: 10 }
+    }
+}