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6** This file is part of the QtDeclarative module of the Qt Toolkit.
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40
41import QtQuick 1.0
42
43Item {
44    id: missile
45    objectName: "missile"
46    opacity: 0 // transparent by default
47
48    property int fromYpos
49    property int toYpos
50    property variant myMissileSize
51    property bool enemyMissile: false
52    property int defaultX: 0
53    property int defaultY: 0
54
55    function storeDefaultPos() {
56        defaultX = missile.x
57        defaultY = missile.y
58    }
59
60    function setToDefaultPos() {
61        missile.x = defaultX
62        missile.y = defaultY
63        opacity = 0.5
64    }
65
66    function createGraphicsForLevel() {
67        missile.myMissileSize = LevelPlugin.graphSize(LevelPlugin.pathToMissilePic())
68        missile.height = myMissileSize.height;
69        missile.width = myMissileSize.width;
70        if (missile.enemyMissile) {
71            missileImage.source = "file:/"+LevelPlugin.pathToEnemyMissilePic()
72        } else {
73            missileImage.source = "file:/"+LevelPlugin.pathToMissilePic()
74        }
75    }
76
77    // Execute fire!
78    function fire(aXpox, aFromYpos, aToYpos) {
79        missile.x = aXpox - missile.width / 2
80        missile.y = aFromYpos
81        missile.fromYpos = aFromYpos
82        missile.toYpos = aToYpos
83        missile.opacity = 1
84        GameEngine.playSound(2) // NOTE: 3 for your missile sound
85        flying.restart()
86    }
87
88    // Enemy fires!
89    function enemyFire(aXpox, aFromYpos, aToYpos) {
90        missile.x = aXpox - missile.width / 2
91        missile.y = aFromYpos
92        missile.fromYpos = aFromYpos
93        missile.toYpos = aToYpos
94        missile.opacity = 1
95        GameEngine.playSound(3) // NOTE: 3 for enemy missile sound
96        flyingEnemy.restart()
97    }
98
99    // Stop missile
100    function stop() {
101        flying.stop()
102    }
103
104    // Pause missile
105    function pause(doPause) {
106        if (doPause) {
107            flying.pause()
108            flyingEnemy.pause()
109        } else {
110            flying.resume()
111            flyingEnemy.resume()
112        }
113    }
114
115    Component.onCompleted: {
116        if (!enemyMissile) {
117            storeDefaultPos()
118            setToDefaultPos()
119        }
120    }
121
122    // Animates missile flying to the target
123    SequentialAnimation {
124        id: flying
125        PropertyAnimation {target: missile; properties: "y";
126            from: fromYpos; to: toYpos; duration: 2000; easing.type: Easing.InCubic }
127        //PropertyAction {target: missile; properties: "opacity"; value: 0}
128        ScriptAction { script: setToDefaultPos() }
129    }
130
131    SequentialAnimation {
132        id: flyingEnemy
133        PropertyAnimation {target: missile; properties: "y";
134            from: fromYpos; to: toYpos; duration: 2000; easing.type: Easing.InCubic }
135        PropertyAction {target: missile; properties: "opacity"; value: 0}
136    }
137
138    Image {
139        id: missileImage
140        smooth: true
141    }
142}
143
144