Qt 5.13 | Qt Quick Demo - Maroon in Trouble

Qt 5.13.2 Reference Documentation

# Qt Quick Demo - Maroon in Trouble

      /****************************************************************************
      **
      ** Copyright (C) 2017 The Qt Company Ltd.
      ** Contact: https://www.qt.io/licensing/
      **
      ** This file is part of the examples of the Qt Toolkit.
      **
      ** $QT_BEGIN_LICENSE:BSD$
      ** Commercial License Usage
      ** Licensees holding valid commercial Qt licenses may use this file in
      ** accordance with the commercial license agreement provided with the
      ** Software or, alternatively, in accordance with the terms contained in
      ** a written agreement between you and The Qt Company. For licensing terms
      ** and conditions see https://www.qt.io/terms-conditions. For further
      ** information use the contact form at https://www.qt.io/contact-us.
      **
      ** BSD License Usage
      ** Alternatively, 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 "../logic.js" as Logic
      import ".."

      TowerBase {
          id: container
          rof: 160
          income: 5
          SpriteSequence {
              id: sprite
              width: 64
              height: 64
              interpolate: false
              goalSprite: ""

              Sprite {
                  name: "idle"
                  source: "../gfx/factory-idle.png"
                  frameCount: 4
                  frameDuration: 200
              }

              Sprite {
                  name: "action"
                  source: "../gfx/factory-action.png"
                  frameCount: 4
                  frameDuration: 90
                  to: { "idle" : 1 }
              }

              SequentialAnimation on x {
                  loops: Animation.Infinite
                  NumberAnimation { from: x; to: x + 4; duration: 900; easing.type: Easing.InOutQuad }
                  NumberAnimation { from: x + 4; to: x; duration: 900; easing.type: Easing.InOutQuad }
              }
              SequentialAnimation on y {
                  loops: Animation.Infinite
                  NumberAnimation { from: y; to: y - 4; duration: 900; easing.type: Easing.InOutQuad }
                  NumberAnimation { from: y - 4; to: y; duration: 900; easing.type: Easing.InOutQuad }
              }
          }

          SoundEffect {
              id: actionSound
              source: "../audio/factory-action.wav"
          }

          function fire() {
              actionSound.play()
              sprite.jumpTo("action")
              coinLaunch.start()
          }

          function spawn() {
              coin.target = Logic.gameState.mapToItem(container, 240, -32)
          }

          Image {
              id: coin
              property var target: { "x" : 0, "y" : 0 }
              source: "../gfx/currency.png"
              visible: false
          }

          SequentialAnimation {
              id: coinLaunch
              PropertyAction { target: coin; property: "visible"; value: true }
              ParallelAnimation {
                  NumberAnimation { target: coin; property: "x"; from: 16; to: coin.target.x }
                  NumberAnimation { target: coin; property: "y"; from: 16; to: coin.target.y }
              }
              PropertyAction { target: coin; property: "visible"; value: false }
          }
      }