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< title > Phaser Source: core/Stage.js< / title >
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< a href = "Phaser.Stage.html" > Stage< / a >
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< a href = "Phaser.State.html" > State< / a >
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< a href = "Phaser.StateManager.html" > StateManager< / a >
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< h1 class = "page-title" > Source: core/Stage.js< / h1 >
< section >
< article >
< pre class = "sunlight-highlight-javascript linenums" > /**
* @author Richard Davey < rich@photonstorm.com>
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* @copyright 2014 Photon Storm Ltd.
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* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
*/
/**
* The Stage controls the canvas on which everything is displayed. It handles display within the browser,
* focus handling, game resizing, scaling and the pause, boot and orientation screens.
*
* @class Phaser.Stage
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* @extends PIXI.Stage
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* @constructor
* @param {Phaser.Game} game - Game reference to the currently running game.
* @param {number} width - Width of the canvas element.
* @param {number} height - Height of the canvas element.
*/
Phaser.Stage = function (game, width, height) {
/**
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* @property {Phaser.Game} game - A reference to the currently running Game.
*/
this.game = game;
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/**
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* @property {Phaser.Point} offset - Holds the offset coordinates of the Game.canvas from the top-left of the browser window (used by Input and other classes)
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*/
this.offset = new Phaser.Point();
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PIXI.Stage.call(this, 0x000000, false);
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/**
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* @property {string} name - The name of this object.
* @default
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*/
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this.name = '_stage_root';
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this.interactive = false;
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/**
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* @property {boolean} disableVisibilityChange - By default if the browser tab loses focus the game will pause. You can stop that behaviour by setting this property to true.
* @default
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*/
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this.disableVisibilityChange = false;
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/**
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* @property {number|false} checkOffsetInterval - The time (in ms) between which the stage should check to see if it has moved.
* @default
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*/
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this.checkOffsetInterval = 2500;
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/**
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* @property {boolean} exists - If exists is true the Stage and all children are updated, otherwise it is skipped.
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* @default
*/
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this.exists = true;
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/**
* @property {number} currentRenderOrderID - Reset each frame, keeps a count of the total number of objects updated.
*/
this.currentRenderOrderID = 0;
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/**
* @property {string} hiddenVar - The page visibility API event name.
* @private
*/
this._hiddenVar = 'hidden';
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/**
* @property {number} _nextOffsetCheck - The time to run the next offset check.
* @private
*/
this._nextOffsetCheck = 0;
/**
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* @property {number} _backgroundColor - Stage background color.
* @private
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*/
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this._backgroundColor = 0x000000;
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if (game.config)
{
this.parseConfig(game.config);
}
else
{
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this.game.canvas = Phaser.Canvas.create(width, height);
this.game.canvas.style['-webkit-full-screen'] = 'width: 100%; height: 100%';
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}
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};
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Phaser.Stage.prototype = Object.create(PIXI.Stage.prototype);
Phaser.Stage.prototype.constructor = Phaser.Stage;
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/**
* This is called automatically after the plugins preUpdate and before the State.update.
* Most objects have preUpdate methods and it's where initial movement and positioning is done.
*
* @method Phaser.Stage#preUpdate
*/
Phaser.Stage.prototype.preUpdate = function () {
this.currentRenderOrderID = 0;
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// This can't loop in reverse, we need the orderID to be in sequence
var len = this.children.length;
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for (var i = 0; i < len; i++)
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{
this.children[i].preUpdate();
}
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}
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/**
* This is called automatically after the State.update, but before particles or plugins update.
*
* @method Phaser.Stage#update
*/
Phaser.Stage.prototype.update = function () {
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var i = this.children.length;
while (i--)
{
this.children[i].update();
}
}
/**
* This is called automatically before the renderer runs and after the plugins have updated.
* In postUpdate this is where all the final physics calculatations and object positioning happens.
* The objects are processed in the order of the display list.
* The only exception to this is if the camera is following an object, in which case that is updated first.
*
* @method Phaser.Stage#postUpdate
*/
Phaser.Stage.prototype.postUpdate = function () {
if (this.game.world.camera.target)
{
this.game.world.camera.target.postUpdate();
this.game.world.camera.update();
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var i = this.children.length;
while (i--)
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{
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if (this.children[i] !== this.game.world.camera.target)
{
this.children[i].postUpdate();
}
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}
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}
else
{
this.game.world.camera.update();
var i = this.children.length;
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while (i--)
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{
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this.children[i].postUpdate();
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}
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}
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if (this.checkOffsetInterval !== false)
{
if (this.game.time.now > this._nextOffsetCheck)
{
Phaser.Canvas.getOffset(this.game.canvas, this.offset);
this._nextOffsetCheck = this.game.time.now + this.checkOffsetInterval;
}
}
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}
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/**
* Parses a Game configuration object.
*
* @method Phaser.Stage#parseConfig
* @protected
*/
Phaser.Stage.prototype.parseConfig = function (config) {
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if (config['canvasID'])
{
this.game.canvas = Phaser.Canvas.create(this.game.width, this.game.height, config['canvasID']);
}
else
{
this.game.canvas = Phaser.Canvas.create(this.game.width, this.game.height);
}
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if (config['canvasStyle'])
{
this.game.canvas.stlye = config['canvasStyle'];
}
else
{
this.game.canvas.style['-webkit-full-screen'] = 'width: 100%; height: 100%';
}
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if (config['checkOffsetInterval'])
{
this.checkOffsetInterval = config['checkOffsetInterval'];
}
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if (config['disableVisibilityChange'])
{
this.disableVisibilityChange = config['disableVisibilityChange'];
}
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if (config['fullScreenScaleMode'])
{
this.fullScreenScaleMode = config['fullScreenScaleMode'];
}
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if (config['scaleMode'])
{
this.scaleMode = config['scaleMode'];
}
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if (config['backgroundColor'])
{
this.backgroundColor = config['backgroundColor'];
}
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}
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/**
* Initialises the stage and adds the event listeners.
* @method Phaser.Stage#boot
* @private
*/
Phaser.Stage.prototype.boot = function () {
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Phaser.Canvas.getOffset(this.game.canvas, this.offset);
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this.bounds = new Phaser.Rectangle(this.offset.x, this.offset.y, this.game.width, this.game.height);
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var _this = this;
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this._onChange = function (event) {
return _this.visibilityChange(event);
}
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Phaser.Canvas.setUserSelect(this.game.canvas, 'none');
Phaser.Canvas.setTouchAction(this.game.canvas, 'none');
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this.checkVisibility();
}
/**
* Starts a page visibility event listener running, or window.blur/focus if not supported by the browser.
* @method Phaser.Stage#checkVisibility
*/
Phaser.Stage.prototype.checkVisibility = function () {
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if (document.webkitHidden !== undefined)
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{
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this._hiddenVar = 'webkitvisibilitychange';
}
else if (document.mozHidden !== undefined)
{
this._hiddenVar = 'mozvisibilitychange';
}
else if (document.msHidden !== undefined)
{
this._hiddenVar = 'msvisibilitychange';
}
else if (document.hidden !== undefined)
{
this._hiddenVar = 'visibilitychange';
}
else
{
this._hiddenVar = null;
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}
// Does browser support it? If not (like in IE9 or old Android) we need to fall back to blur/focus
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if (this._hiddenVar)
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{
document.addEventListener(this._hiddenVar, this._onChange, false);
}
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window.onpagehide = this._onChange;
window.onpageshow = this._onChange;
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window.onblur = this._onChange;
window.onfocus = this._onChange;
}
/**
* This method is called when the document visibility is changed.
* @method Phaser.Stage#visibilityChange
* @param {Event} event - Its type will be used to decide whether the game should be paused or not.
*/
Phaser.Stage.prototype.visibilityChange = function (event) {
if (this.disableVisibilityChange)
{
return;
}
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if (event.type === 'pagehide' || event.type === 'blur' || event.type === 'pageshow' || event.type === 'focus')
{
if (event.type === 'pagehide' || event.type === 'blur')
{
this.game.focusLoss(event);
}
else if (event.type === 'pageshow' || event.type === 'focus')
{
this.game.focusGain(event);
}
return;
}
if (document.hidden || document.mozHidden || document.msHidden || document.webkitHidden)
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{
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this.game.gamePaused(event);
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}
else
{
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this.game.gameResumed(event);
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}
}
/**
* Sets the background color for the stage.
*
* @name Phaser.Stage#setBackgroundColor
* @param {number} backgroundColor - The color of the background, easiest way to pass this in is in hex format like: 0xFFFFFF for white.
*/
Phaser.Stage.prototype.setBackgroundColor = function(backgroundColor)
{
this._backgroundColor = backgroundColor || 0x000000;
this.backgroundColorSplit = PIXI.hex2rgb(this.backgroundColor);
var hex = this._backgroundColor.toString(16);
hex = '000000'.substr(0, 6 - hex.length) + hex;
this.backgroundColorString = '#' + hex;
}
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/**
* @name Phaser.Stage#backgroundColor
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* @property {number|string} backgroundColor - Gets and sets the background color of the stage. The color can be given as a number: 0xff0000 or a hex string: '#ff0000'
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*/
Object.defineProperty(Phaser.Stage.prototype, "backgroundColor", {
get: function () {
return this._backgroundColor;
},
set: function (color) {
this._backgroundColor = color;
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if (this.game.transparent === false)
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{
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if (typeof color === 'string')
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{
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color = Phaser.Color.hexToRGB(color);
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}
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this.setBackgroundColor(color);
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}
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}
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});
/**
* Enable or disable texture smoothing for all objects on this Stage. Only works for bitmap/image textures. Smoothing is enabled by default.
*
* @name Phaser.Stage#smoothed
* @property {boolean} smoothed - Set to true to smooth all sprites rendered on this Stage, or false to disable smoothing (great for pixel art)
*/
Object.defineProperty(Phaser.Stage.prototype, "smoothed", {
get: function () {
return !PIXI.scaleModes.LINEAR;
},
set: function (value) {
if (value)
{
PIXI.scaleModes.LINEAR = 0;
}
else
{
PIXI.scaleModes.LINEAR = 1;
}
}
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});
< / pre >
< / article >
< / section >
< / div >
< div class = "clearfix" > < / div >
< footer >
< span class = "copyright" >
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Phaser Copyright © 2012-2014 Photon Storm Ltd.
2013-10-02 11:11:22 +00:00
< / span >
< br / >
< span class = "jsdoc-message" >
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Documentation generated by < a href = "https://github.com/jsdoc3/jsdoc" > JSDoc 3.3.0-dev< / a >
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on Mon Mar 24 2014 12:38:38 GMT-0000 (GMT) using the < a href = "https://github.com/terryweiss/docstrap" > DocStrap template< / a > .
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< / span >
< / footer >
< / div >
< br clear = "both" >
< / div >
< / div >
< script src = "scripts/sunlight.js" > < / script >
< script src = "scripts/sunlight.javascript.js" > < / script >
< script src = "scripts/sunlight-plugin.doclinks.js" > < / script >
< script src = "scripts/sunlight-plugin.linenumbers.js" > < / script >
< script src = "scripts/sunlight-plugin.menu.js" > < / script >
< script src = "scripts/jquery.min.js" > < / script >
< script src = "scripts/jquery.scrollTo.js" > < / script >
< script src = "scripts/jquery.localScroll.js" > < / script >
< script src = "scripts/bootstrap-dropdown.js" > < / script >
< script src = "scripts/toc.js" > < / script >
< script > Sunlight . highlightAll ( { lineNumbers : true , showMenu : true , enableDoclinks : true } ) ; < / script >
< script >
$( function () {
$( "#toc" ).toc( {
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anchorName : function(i, heading, prefix) {
return $(heading).attr("id") || ( prefix + i );
},
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selectors : "h1,h2,h3,h4",
showAndHide : false,
scrollTo : 60
} );
$( "#toc>ul" ).addClass( "nav nav-pills nav-stacked" );
$( "#main span[id^='toc']" ).addClass( "toc-shim" );
} );
< / script >
< / body >
< / html >
