mirror of
https://github.com/photonstorm/phaser
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96 lines
2.8 KiB
JavaScript
96 lines
2.8 KiB
JavaScript
/**
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* @author Richard Davey <rich@photonstorm.com>
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* @copyright 2016 Photon Storm Ltd.
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* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
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*/
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/**
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* An Image is a light-weight object you can use to display anything that doesn't need physics or animation.
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* It can still rotate, scale, crop and receive input events. This makes it perfect for logos, backgrounds, simple buttons and other non-Sprite graphics.
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*
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* @class Phaser.GameObject.Image
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* @extends Phaser.GameObject
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* @constructor
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* @param {Phaser.Game} game - A reference to the currently running game.
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* @param {number} [x=0] - The x coordinate of the Image. The coordinate is relative to any parent container this Image may be in.
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* @param {number} [y=0] - The y coordinate of the Image. The coordinate is relative to any parent container this Image may be in.
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* @param {string} [key] - The texture used by the Image during rendering. It can be a string which is a reference to the Cache entry, or an instance of a RenderTexture, BitmapData or PIXI.Texture.
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* @param {string|number} [frame] - If this Image is using part of a sprite sheet or texture atlas you can specify the exact frame to use by giving a string or numeric index.
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*/
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Phaser.GameObject.Image = function (state, x, y, key, frame, name)
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{
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var _texture = state.game.textures.get(key);
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var _frame = _texture.get(frame);
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Phaser.GameObject.call(this, state, x, y, _texture, _frame);
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this.name = name;
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/**
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* @property {number} type - The const type of this object.
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* @readonly
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*/
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this.type = Phaser.IMAGE;
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};
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Phaser.GameObject.Image.prototype = Object.create(Phaser.GameObject.prototype);
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Phaser.GameObject.Image.prototype.constructor = Phaser.GameObject.Image;
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/**
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* Automatically called by World.preUpdate.
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*
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* @method Phaser.Image#preUpdate
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* @memberof Phaser.Image
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*/
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Phaser.GameObject.Image.prototype.preUpdate = function ()
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{
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// Would like to get rid of this somehow ...
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if (this.parent)
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{
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this.color.worldAlpha = this.parent.color.worldAlpha;
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}
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};
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// Phaser.GameObject.Image.prototype.update = function ()
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// {
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// };
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// Phaser.GameObject.Image.prototype.postUpdate = function ()
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// {
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// };
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Object.defineProperties(Phaser.GameObject.Image.prototype, {
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width: {
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enumerable: true,
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get: function ()
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{
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return this.transform._scaleX * this.frame.realWidth;
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},
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set: function (value)
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{
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this.scaleX = value / this.frame.realWidth;
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}
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},
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height: {
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enumerable: true,
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get: function ()
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{
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return this.transform._scaleY * this.frame.realHeight;
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},
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set: function (value)
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{
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this.scaleY = value / this.frame.realHeight;
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}
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}
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});
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