phaser/docs/Time.js.html
photonstorm 5d5c64d22f Tilemap.createCollisionObjects will parse Tiled data for objectgroups and convert polyline instances into physics objects you can collide with in the world.
After defining tiles that collide on a Tilemap, you need to call Tilemap.generateCollisionData(layer) to populate the physics world with the data required.
Debug.renderPhysicsBody updated to take camera location and body rotation into account.
Body movement functions put back to velocity :)
Updated to latest dev version of pixi and latest p2.js
Updated docs
2014-02-18 03:01:51 +00:00

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<h1 class="page-title">Source: time/Time.js</h1>
<section>
<article>
<pre class="sunlight-highlight-javascript linenums">/**
* @author Richard Davey &lt;rich@photonstorm.com>
* @copyright 2014 Photon Storm Ltd.
* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
*/
/**
* Time constructor.
*
* @class Phaser.Time
* @classdesc This is the core internal game clock. It manages the elapsed time and calculation of elapsed values, used for game object motion and tweens.
* @constructor
* @param {Phaser.Game} game A reference to the currently running game.
*/
Phaser.Time = function (game) {
/**
* @property {Phaser.Game} game - Local reference to game.
*/
this.game = game;
/**
* @property {number} time - Game time counter. If you need a value for in-game calculation please use Phaser.Time.now instead.
* @protected
*/
this.time = 0;
/**
* @property {number} now - The time right now.
* @protected
*/
this.now = 0;
/**
* @property {number} elapsed - Elapsed time since the last frame (in ms).
* @protected
*/
this.elapsed = 0;
/**
* @property {number} pausedTime - Records how long the game has been paused for. Is reset each time the game pauses.
* @protected
*/
this.pausedTime = 0;
/**
* @property {number} fps - Frames per second.
* @protected
*/
this.fps = 0;
/**
* @property {number} fpsMin - The lowest rate the fps has dropped to.
*/
this.fpsMin = 1000;
/**
* @property {number} fpsMax - The highest rate the fps has reached (usually no higher than 60fps).
*/
this.fpsMax = 0;
/**
* @property {number} msMin - The minimum amount of time the game has taken between two frames.
* @default
*/
this.msMin = 1000;
/**
* @property {number} msMax - The maximum amount of time the game has taken between two frames.
*/
this.msMax = 0;
/**
* @property {number} physicsElapsed - The elapsed time calculated for the physics motion updates.
*/
this.physicsElapsed = 0;
/**
* @property {number} frames - The number of frames record in the last second.
*/
this.frames = 0;
/**
* @property {number} pauseDuration - Records how long the game was paused for in miliseconds.
*/
this.pauseDuration = 0;
/**
* @property {number} timeToCall - The value that setTimeout needs to work out when to next update
*/
this.timeToCall = 0;
/**
* @property {number} lastTime - Internal value used by timeToCall as part of the setTimeout loop
*/
this.lastTime = 0;
/**
* @property {Phaser.Timer} events - This is a Phaser.Timer object bound to the master clock to which you can add timed events.
*/
this.events = new Phaser.Timer(this.game, false);
/**
* @property {number} _started - The time at which the Game instance started.
* @private
*/
this._started = 0;
/**
* @property {number} _timeLastSecond - The time (in ms) that the last second counter ticked over.
* @private
*/
this._timeLastSecond = 0;
/**
* @property {number} _pauseStarted - The time the game started being paused.
* @private
*/
this._pauseStarted = 0;
/**
* @property {boolean} _justResumed - Internal value used to recover from the game pause state.
* @private
*/
this._justResumed = false;
/**
* @property {array} _timers - Internal store of Phaser.Timer objects.
* @private
*/
this._timers = [];
/**
* @property {number} _len - Temp. array length variable.
* @private
*/
this._len = 0;
/**
* @property {number} _i - Temp. array counter variable.
* @private
*/
this._i = 0;
// Listen for game pause/resume events
this.game.onPause.add(this.gamePaused, this);
this.game.onResume.add(this.gameResumed, this);
};
Phaser.Time.prototype = {
/**
* @method Phaser.Time#boot
*/
boot: function () {
this.events.start();
},
/**
* Creates a new stand-alone Phaser.Timer object.
* @method Phaser.Time#create
* @param {boolean} [autoDestroy=true] - A Timer that is set to automatically destroy itself will do so after all of its events have been dispatched (assuming no looping events).
* @return {Phaser.Timer} The Timer object that was created.
*/
create: function (autoDestroy) {
if (typeof autoDestroy === 'undefined') { autoDestroy = true; }
var timer = new Phaser.Timer(this.game, autoDestroy);
this._timers.push(timer);
return timer;
},
/**
* Remove all Timer objects, regardless of their state.
* @method Phaser.Time#removeAll
*/
removeAll: function () {
for (var i = 0; i &lt; this._timers.length; i++)
{
this._timers[i].destroy();
}
this._timers = [];
},
/**
* Updates the game clock and calculate the fps. This is called automatically by Phaser.Game.
* @method Phaser.Time#update
* @param {number} time - The current timestamp, either performance.now or Date.now depending on the browser.
*/
update: function (time) {
this.now = time;
if (this._justResumed)
{
this.time = this.now;
this._justResumed = false;
this.events.resume();
for (var i = 0; i &lt; this._timers.length; i++)
{
this._timers[i].resume();
}
}
this.timeToCall = this.game.math.max(0, 16 - (time - this.lastTime));
this.elapsed = this.now - this.time;
this.msMin = this.game.math.min(this.msMin, this.elapsed);
this.msMax = this.game.math.max(this.msMax, this.elapsed);
this.frames++;
if (this.now > this._timeLastSecond + 1000)
{
this.fps = Math.round((this.frames * 1000) / (this.now - this._timeLastSecond));
this.fpsMin = this.game.math.min(this.fpsMin, this.fps);
this.fpsMax = this.game.math.max(this.fpsMax, this.fps);
this._timeLastSecond = this.now;
this.frames = 0;
}
this.time = this.now;
this.lastTime = time + this.timeToCall;
this.physicsElapsed = 1.0 * (this.elapsed / 1000);
// Clamp the delta
if (this.physicsElapsed > 0.05)
{
this.physicsElapsed = 0.05;
}
// Paused?
if (this.game.paused)
{
this.pausedTime = this.now - this._pauseStarted;
}
else
{
// Our internal Phaser.Timer
this.events.update(this.now);
// Any game level timers
this._i = 0;
this._len = this._timers.length;
while (this._i &lt; this._len)
{
if (this._timers[this._i].update(this.now))
{
this._i++;
}
else
{
this._timers.splice(this._i, 1);
this._len--;
}
}
}
},
/**
* Called when the game enters a paused state.
* @method Phaser.Time#gamePaused
* @private
*/
gamePaused: function () {
this._pauseStarted = this.now;
this.events.pause();
for (var i = 0; i &lt; this._timers.length; i++)
{
this._timers[i].pause();
}
},
/**
* Called when the game resumes from a paused state.
* @method Phaser.Time#gameResumed
* @private
*/
gameResumed: function () {
// Level out the elapsed timer to avoid spikes
this.time = Date.now();
this.pauseDuration = this.pausedTime;
this._justResumed = true;
},
/**
* The number of seconds that have elapsed since the game was started.
* @method Phaser.Time#totalElapsedSeconds
* @return {number}
*/
totalElapsedSeconds: function() {
return (this.now - this._started) * 0.001;
},
/**
* How long has passed since the given time.
* @method Phaser.Time#elapsedSince
* @param {number} since - The time you want to measure against.
* @return {number} The difference between the given time and now.
*/
elapsedSince: function (since) {
return this.now - since;
},
/**
* How long has passed since the given time (in seconds).
* @method Phaser.Time#elapsedSecondsSince
* @param {number} since - The time you want to measure (in seconds).
* @return {number} Duration between given time and now (in seconds).
*/
elapsedSecondsSince: function (since) {
return (this.now - since) * 0.001;
},
/**
* Resets the private _started value to now.
* @method Phaser.Time#reset
*/
reset: function () {
this._started = this.now;
}
};
Phaser.Time.prototype.constructor = Phaser.Time;
</pre>
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