- Qt 5.3
- Qt Quick
- Qt Quick Examples - Touch Interaction
- bearwhack.qml Example File
- Qt 5.3.2 Reference Documentation

# bearwhack.qml Example File

touchinteraction/multipointtouch/bearwhack.qml

    /****************************************************************************
    **
    ** Copyright (C) 2013 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."
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    ****************************************************************************/
    import QtQuick 2.0
    import QtQuick.Particles 2.0
    import "content"

    Item {
        id: root
        height: 480
        width: 320
        Item {
            id: startScreen
            anchors.fill: parent
            z: 1000
            Image {
                source: "content/title.png"
                anchors.centerIn: parent
            }
            MouseArea{
                anchors.fill: parent
                onClicked: {//Game Start
                    parent.visible = false;
                }
            }
        }
        Rectangle {
            id: bg
            anchors.fill: parent
            gradient: Gradient {
                GradientStop { position: 0.0; color: "DarkBlue" }
                GradientStop { position: 0.8; color: "SkyBlue" }
                GradientStop { position: 0.81; color: "ForestGreen" }
                GradientStop { position: 1.0; color: "DarkGreen" }
            }
        }

        BearWhackParticleSystem {
            id: particleSystem
            anchors.fill: parent
            running: !startScreen.visible
        }

        property int score: 0

        Text {
            anchors.right: parent.right
            anchors.margins: 4
            anchors.top: parent.top
            color: "white"
            function padded(num) {
                var ret = num.toString();
                while (ret.length < 6)
                    ret = "0" + ret;
                return ret;
            }
            text: "Score: " + padded(score)
        }
        MultiPointTouchArea {
            anchors.fill: parent
            touchPoints: [//Support up to 4 touches at once?
                AugmentedTouchPoint{ system: particleSystem },
                AugmentedTouchPoint{ system: particleSystem },
                AugmentedTouchPoint{ system: particleSystem },
                AugmentedTouchPoint{ system: particleSystem }
            ]
        }
        MouseArea{
            anchors.fill: parent
            id: ma
            onPressedChanged: {
                if (pressed) {
                    timer.restart();
                    sgoal.enabled = true;
                    particleSystem.explode(mouseX,mouseY);
                }
            }
            Timer {
                id: timer
                interval: 100
                running: false
                repeat: false
                onTriggered: sgoal.enabled = false
            }
            SpriteGoal {
                id: sgoal
                x: ma.mouseX - 16
                y: ma.mouseY - 16
                width: 32
                height: 32
                system: particleSystem
                parent: particleSystem
                goalState: "falling"
                enabled: false
            }
        }
    }