phaser/src/gameobjects/components/Destroy.js at bd575105287fcd89b507d253df4ddc01d0b965ea · ITCSsDeveloper/phaser · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
/**
* @author       Richard Davey <rich@photonstorm.com>
* @copyright    2015 Photon Storm Ltd.
* @license      {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
*/

/**
* The Destroy component is responsible for destroying a Game Object.
*
* @class
*/
Phaser.Component.Destroy = function () {};

Phaser.Component.Destroy.prototype = {

    /**
    * As a Game Object runs through its destroy method this flag is set to true,
    * and can be checked in any sub-systems or plugins it is being destroyed from.
    * @property {boolean} destroyPhase
    * @readOnly
    */
    destroyPhase: false,

    /**
    * Destroys the Game Object. This removes it from its parent group, destroys the input, event and animation handlers if present
    * and nulls its reference to `game`, freeing it up for garbage collection.
    *
    * If this Game Object has the Events component it will also dispatch the `onDestroy` event.
    *
    * @method
    * @param {boolean} [destroyChildren=true] - Should every child of this object have its destroy method called as well?
    */
    destroy: function(destroyChildren) {

        if (this.game === null || this.destroyPhase) { return; }

        if (typeof destroyChildren === 'undefined') { destroyChildren = true; }

        this.destroyPhase = true;

        if (this.events)
        {
            this.events.onDestroy$dispatch(this);
        }

        if (this.parent)
        {
            if (this.parent instanceof Phaser.Group)
            {
                this.parent.remove(this);
            }
            else
            {
                this.parent.removeChild(this);
            }
        }

        if (this.input)
        {
            this.input.destroy();
        }

        if (this.animations)
        {
            this.animations.destroy();
        }

        if (this.body)
        {
            this.body.destroy();
        }

        if (this.events)
        {
            this.events.destroy();
        }

        var i = this.children.length;

        if (destroyChildren)
        {
            while (i--)
            {
                this.children[i].destroy(destroyChildren);
            }
        }
        else
        {
            while (i--)
            {
                this.removeChild(this.children[i]);
            }
        }

        if (this._crop)
        {
            this._crop = null;
        }

        if (this._frame)
        {
            this._frame = null;
        }

        this.alive = false;
        this.exists = false;
        this.visible = false;

        this.filters = null;
        this.mask = null;
        this.game = null;

        //  In case Pixi is still going to try and render it even though destroyed
        this.renderable = false;

        //  Pixi level DisplayObject destroy
        this.transformCallback = null;
        this.transformCallbackContext = null;
        this.hitArea = null;
        this.parent = null;
        this.stage = null;
        this.worldTransform = null;
        this.filterArea = null;
        this._bounds = null;
        this._currentBounds = null;
        this._mask = null;

        this._destroyCachedSprite();

        this.destroyPhase = false;

    }

};