phaser/src/gameobjects/components/Depth.js

//  Depth Component

var Depth = {

    //  "private" properties
    _depth: 0,

    depth: {

        get: function ()
        {
            return this._depth;
        },

        set: function (value)
        {
            this.scene.sys.queueDepthSort();
            this._depth = value;
        }

    },

    setDepth: function (value)
    {
        if (value === undefined) { value = 0; }

        this.depth = value;

        return this;
    }

};

module.exports = Depth;