Qt 5.6 | Qt Quick | Qt Quick Examples - Touch Interaction | bearwhack.qml Example File

Qt 5.6.3 Reference Documentation

# bearwhack.qml Example File

touchinteraction/multipointtouch/bearwhack.qml

      /****************************************************************************
      **
      ** Copyright (C) 2015 The Qt Company Ltd.
      ** Contact: http://www.qt.io/licensing/
      **
      ** 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 The Qt Company Ltd 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
      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
              }
          }
      }