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< h1 class = "page-title" > Source: gameobjects/BitmapText.js< / h1 >
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< pre class = "sunlight-highlight-javascript linenums" > /**
* @author Richard Davey < rich@photonstorm.com>
* @copyright 2013 Photon Storm Ltd.
* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
*/
/**
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* Creates a new BitmapText object.
*
* @class Phaser.BitmapText
*
* @classdesc BitmapText objects work by taking a texture file and an XML file that describes the font layout.
*
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* On Windows you can use the free app BMFont: http://www.angelcode.com/products/bmfont/
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*
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* On OS X we recommend Glyph Designer: http://www.71squared.com/en/glyphdesigner
*
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* @constructor
* @param {Phaser.Game} game - A reference to the currently running game.
* @param {number} x - X position of the new bitmapText object.
* @param {number} y - Y position of the new bitmapText object.
* @param {string} text - The actual text that will be written.
* @param {object} style - The style object containing style attributes like font, font size , etc.
*/
Phaser.BitmapText = function (game, x, y, text, style) {
x = x || 0;
y = y || 0;
text = text || '';
style = style || '';
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/**
* @property {Phaser.Game} game - A reference to the currently running Game.
*/
this.game = game;
/**
* @property {boolean} exists - If exists = false then the Sprite isn't updated by the core game loop or physics subsystem at all.
* @default
*/
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this.exists = true;
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/**
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* @property {boolean} alive - This is a handy little var your game can use to determine if a sprite is alive or not, it doesn't effect rendering.
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* @default
*/
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this.alive = true;
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/**
* @property {Phaser.Group} group - The parent Group of this BitmapText.
*/
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this.group = null;
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/**
* @property {string} name - The user defined name given to this BitmapText.
* @default
*/
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this.name = '';
/**
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* @property {number} type - The const type of this object.
* @readonly
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*/
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this.type = Phaser.BITMAPTEXT;
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PIXI.BitmapText.call(this, text, style);
/**
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* @property {number} position.x - The x position of this object.
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*/
this.position.x = x;
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/**
* @property {number} position.y - The y position of this object.
*/
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this.position.y = y;
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/**
* The anchor sets the origin point of the texture.
* The default is 0,0 this means the textures origin is the top left
* Setting than anchor to 0.5,0.5 means the textures origin is centered
* Setting the anchor to 1,1 would mean the textures origin points will be the bottom right
*
* @property {Phaser.Point} anchor - The anchor around which rotation and scaling takes place.
*/
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this.anchor = new Phaser.Point();
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/**
* @property {Phaser.Point} scale - The scale of the object when rendered. By default it's set to 1 (no scale). You can modify it via scale.x or scale.y or scale.setTo(x, y). A value of 1 means no change to the scale, 0.5 means "half the size", 2 means "twice the size", etc.
*/
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this.scale = new Phaser.Point(1, 1);
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/**
* @property {object} _cache - A mini cache for storing all of the calculated values.
* @private
*/
this._cache = {
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dirty: false,
// Transform cache
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a00: 1,
a01: 0,
a02: x,
a10: 0,
a11: 1,
a12: y,
id: 1,
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// The previous calculated position
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x: -1,
y: -1,
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// The actual scale values based on the worldTransform
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scaleX: 1,
scaleY: 1
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};
this._cache.x = this.x;
this._cache.y = this.y;
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/**
* @property {boolean} renderable - A renderable object will be rendered to the context each frame.
*/
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this.renderable = true;
};
Phaser.BitmapText.prototype = Object.create(PIXI.BitmapText.prototype);
Phaser.BitmapText.prototype.constructor = Phaser.BitmapText;
/**
* Automatically called by World.update
* @method Phaser.BitmapText.prototype.update
*/
Phaser.BitmapText.prototype.update = function() {
if (!this.exists)
{
return;
}
this._cache.dirty = false;
this._cache.x = this.x;
this._cache.y = this.y;
if (this.position.x != this._cache.x || this.position.y != this._cache.y)
{
this.position.x = this._cache.x;
this.position.y = this._cache.y;
this._cache.dirty = true;
}
this.pivot.x = this.anchor.x*this.width;
this.pivot.y = this.anchor.y*this.height;
}
/**
* @method Phaser.Text.prototype.destroy
*/
Phaser.BitmapText.prototype.destroy = function() {
if (this.group)
{
this.group.remove(this);
}
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if (this.canvas & & this.canvas.parentNode)
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{
this.canvas.parentNode.removeChild(this.canvas);
}
else
{
this.canvas = null;
this.context = null;
}
this.exists = false;
this.group = null;
}
/**
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* Indicates the rotation of the BitmapText, in degrees, from its original orientation. Values from 0 to 180 represent clockwise rotation; values from 0 to -180 represent counterclockwise rotation.
* Values outside this range are added to or subtracted from 360 to obtain a value within the range. For example, the statement player.angle = 450 is the same as player.angle = 90.
* If you wish to work in radians instead of degrees use the property Sprite.rotation instead.
* @name Phaser.BitmapText#angle
* @property {number} angle - Gets or sets the angle of rotation in degrees.
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*/
Object.defineProperty(Phaser.BitmapText.prototype, 'angle', {
get: function() {
return Phaser.Math.radToDeg(this.rotation);
},
set: function(value) {
this.rotation = Phaser.Math.degToRad(value);
}
});
/**
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* The x coordinate of this object in world space.
* @name Phaser.BitmapText#x
* @property {number} x - The x coordinate of this object in world space.
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*/
Object.defineProperty(Phaser.BitmapText.prototype, 'x', {
get: function() {
return this.position.x;
},
set: function(value) {
this.position.x = value;
}
});
/**
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* The y coordinate of this object in world space.
* @name Phaser.BitmapText#y
* @property {number} y - The y coordinate of this object in world space.
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*/
Object.defineProperty(Phaser.BitmapText.prototype, 'y', {
get: function() {
return this.position.y;
},
set: function(value) {
this.position.y = value;
}
});
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