phaser-multires
Version:
A fast, free and fun HTML5 Game Framework for Desktop and Mobile web browsers.
1,629 lines (1,256 loc) • 65.5 kB
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<a href="Phaser.Easing.Exponential.html">Exponential</a>
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<a href="Phaser.Matrix.html">Matrix</a>
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<a href="Phaser.Mouse.html">Mouse</a>
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<a href="Phaser.MSPointer.html">MSPointer</a>
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<a href="Phaser.Net.html">Net</a>
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<a href="Phaser.Particle.html">Particle</a>
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<a href="Phaser.Particles.html">Particles</a>
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<a href="Phaser.Particles.Arcade.html">Arcade</a>
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<a href="Phaser.Particles.Arcade.Emitter.html">Emitter</a>
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<a href="Phaser.Physics.html">Physics</a>
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<a href="Phaser.Physics.Arcade.html">Arcade</a>
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<a href="Phaser.Physics.Arcade.Body.html">Body</a>
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<a href="Phaser.Physics.Arcade.TilemapCollision.html">TilemapCollision</a>
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<a href="Phaser.Physics.Ninja.html">Ninja</a>
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<a href="Phaser.Physics.Ninja.AABB.html">AABB</a>
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<a href="Phaser.Physics.Ninja.Body.html">Body</a>
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<li class="class-depth-3">
<a href="Phaser.Physics.Ninja.Circle.html">Circle</a>
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<li class="class-depth-3">
<a href="Phaser.Physics.Ninja.Tile.html">Tile</a>
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<li class="class-depth-2">
<a href="Phaser.Physics.P2.html">P2</a>
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<a href="Phaser.Physics.P2.Body.html">Body</a>
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<a href="Phaser.Physics.P2.BodyDebug.html">BodyDebug</a>
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<a href="Phaser.Physics.P2.Spring.html">Spring</a>
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<a href="Phaser.Plugin.html">Plugin</a>
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<a href="Phaser.Point.html">Point</a>
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<a href="Phaser.Pointer.html">Pointer</a>
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<a href="Phaser.PointerMode.html">PointerMode</a>
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<a href="Phaser.Polygon.html">Polygon</a>
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<a href="Phaser.QuadTree.html">QuadTree</a>
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<a href="Phaser.RandomDataGenerator.html">RandomDataGenerator</a>
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<a href="Phaser.Rectangle.html">Rectangle</a>
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<a href="Phaser.RenderTexture.html">RenderTexture</a>
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<li class="class-depth-1">
<a href="Phaser.RequestAnimationFrame.html">RequestAnimationFrame</a>
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<li class="class-depth-1">
<a href="Phaser.RetroFont.html">RetroFont</a>
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<li class="class-depth-1">
<a href="Phaser.Rope.html">Rope</a>
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<li class="class-depth-1">
<a href="Phaser.RoundedRectangle.html">RoundedRectangle</a>
</li>
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<a href="Phaser.ScaleManager.html">ScaleManager</a>
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<li class="class-depth-1">
<a href="Phaser.Signal.html">Signal</a>
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<a href="Phaser.SignalBinding.html">SignalBinding</a>
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<a href="Phaser.SinglePad.html">SinglePad</a>
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<a href="Phaser.Sound.html">Sound</a>
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<a href="Phaser.SoundManager.html">SoundManager</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Sprite.html">Sprite</a>
</li>
<li class="class-depth-1">
<a href="Phaser.SpriteBatch.html">SpriteBatch</a>
</li>
<li class="class-depth-1">
<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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<li class="class-depth-1">
<a href="Phaser.Text.html">Text</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Tile.html">Tile</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Tilemap.html">Tilemap</a>
</li>
<li class="class-depth-1">
<a href="Phaser.TilemapLayer.html">TilemapLayer</a>
</li>
<li class="class-depth-1">
<a href="Phaser.TilemapParser.html">TilemapParser</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Tileset.html">Tileset</a>
</li>
<li class="class-depth-1">
<a href="Phaser.TileSprite.html">TileSprite</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Time.html">Time</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Timer.html">Timer</a>
</li>
<li class="class-depth-1">
<a href="Phaser.TimerEvent.html">TimerEvent</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Touch.html">Touch</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Tween.html">Tween</a>
</li>
<li class="class-depth-1">
<a href="Phaser.TweenData.html">TweenData</a>
</li>
<li class="class-depth-1">
<a href="Phaser.TweenManager.html">TweenManager</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Utils.html">Utils</a>
</li>
<li class="class-depth-2">
<a href="Phaser.Utils.Debug.html">Debug</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Video.html">Video</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Weapon.html">Weapon</a>
</li>
<li class="class-depth-1">
<a href="Phaser.World.html">World</a>
</li>
<li class="class-depth-1">
<a href="PIXI.AbstractFilter.html">AbstractFilter</a>
</li>
<li class="class-depth-1">
<a href="PIXI.BaseTexture.html">BaseTexture</a>
</li>
<li class="class-depth-1">
<a href="PIXI.CanvasBuffer.html">CanvasBuffer</a>
</li>
<li class="class-depth-1">
<a href="PIXI.CanvasGraphics.html">CanvasGraphics</a>
</li>
<li class="class-depth-1">
<a href="PIXI.CanvasMaskManager.html">CanvasMaskManager</a>
</li>
<li class="class-depth-1">
<a href="PIXI.CanvasPool.html">CanvasPool</a>
</li>
<li class="class-depth-1">
<a href="PIXI.CanvasRenderer.html">CanvasRenderer</a>
</li>
<li class="class-depth-1">
<a href="PIXI.CanvasTinter.html">CanvasTinter</a>
</li>
<li class="class-depth-1">
<a href="PIXI.ComplexPrimitiveShader.html">ComplexPrimitiveShader</a>
</li>
<li class="class-depth-1">
<a href="PIXI.DisplayObject.html">DisplayObject</a>
</li>
<li class="class-depth-1">
<a href="PIXI.DisplayObjectContainer.html">DisplayObjectContainer</a>
</li>
<li class="class-depth-1">
<a href="PIXI.EarCut.html">EarCut</a>
</li>
<li class="class-depth-1">
<a href="PIXI.Event.html">Event</a>
</li>
<li class="class-depth-1">
<a href="PIXI.EventTarget.html">EventTarget</a>
</li>
<li class="class-depth-1">
<a href="PIXI.FilterTexture.html">FilterTexture</a>
</li>
<li class="class-depth-1">
<a href="PIXI.Graphics.html">Graphics</a>
</li>
<li class="class-depth-1">
<a href="PIXI.GraphicsData.html">GraphicsData</a>
</li>
<li class="class-depth-1">
<a href="PIXI.PIXI.html">PIXI</a>
</li>
<li class="class-depth-1">
<a href="PIXI.PixiFastShader.html">PixiFastShader</a>
</li>
<li class="class-depth-1">
<a href="PIXI.PixiShader.html">PixiShader</a>
</li>
<li class="class-depth-1">
<a href="PIXI.PolyK.html">PolyK</a>
</li>
<li class="class-depth-1">
<a href="PIXI.PrimitiveShader.html">PrimitiveShader</a>
</li>
<li class="class-depth-1">
<a href="PIXI.RenderTexture.html">RenderTexture</a>
</li>
<li class="class-depth-1">
<a href="PIXI.Rope.html">Rope</a>
</li>
<li class="class-depth-1">
<a href="PIXI.Sprite.html">Sprite</a>
</li>
<li class="class-depth-1">
<a href="PIXI.SpriteBatch.html">SpriteBatch</a>
</li>
<li class="class-depth-1">
<a href="PIXI.Strip.html">Strip</a>
</li>
<li class="class-depth-1">
<a href="PIXI.StripShader.html">StripShader</a>
</li>
<li class="class-depth-1">
<a href="PIXI.Texture.html">Texture</a>
</li>
<li class="class-depth-1">
<a href="PIXI.TilingSprite.html">TilingSprite</a>
</li>
<li class="class-depth-1">
<a href="PIXI.WebGLBlendModeManager.html">WebGLBlendModeManager</a>
</li>
<li class="class-depth-1">
<a href="PIXI.WebGLFastSpriteBatch.html">WebGLFastSpriteBatch</a>
</li>
<li class="class-depth-1">
<a href="PIXI.WebGLFilterManager.html">WebGLFilterManager</a>
</li>
<li class="class-depth-1">
<a href="PIXI.WebGLRenderer.html">WebGLRenderer</a>
</li>
</ul>
</li>
<li class="dropdown">
<a href="global.html" class="dropdown-toggle" data-toggle="dropdown">Global<b
class="caret"></b></a>
<ul class="dropdown-menu ">
<li class="class-depth-0">
<a href="global.html#ANGLE_DOWN">ANGLE_DOWN</a>
</li>
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<a href="global.html#ANGLE_LEFT">ANGLE_LEFT</a>
</li>
<li class="class-depth-0">
<a href="global.html#ANGLE_NORTH_EAST">ANGLE_NORTH_EAST</a>
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<li class="class-depth-0">
<a href="global.html#ANGLE_NORTH_WEST">ANGLE_NORTH_WEST</a>
</li>
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<a href="global.html#ANGLE_RIGHT">ANGLE_RIGHT</a>
</li>
<li class="class-depth-0">
<a href="global.html#ANGLE_SOUTH_EAST">ANGLE_SOUTH_EAST</a>
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<li class="class-depth-0">
<a href="global.html#ANGLE_SOUTH_WEST">ANGLE_SOUTH_WEST</a>
</li>
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<a href="global.html#ANGLE_UP">ANGLE_UP</a>
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<li class="class-depth-0">
<a href="global.html#AUTO">AUTO</a>
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<a href="global.html#BITMAPDATA">BITMAPDATA</a>
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<a href="global.html#BITMAPTEXT">BITMAPTEXT</a>
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<a href="global.html#blendModes">blendModes</a>
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<h1 class="page-title">Source: src/core/Camera.js</h1>
<section>
<article>
<pre class="sunlight-highlight-javascript linenums">/**
* @author Richard Davey <rich@photonstorm.com>
* @copyright 2016 Photon Storm Ltd.
* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
*/
/**
* A Camera is your view into the game world. It has a position and size and renders only those objects within its field of view.
* The game automatically creates a single Stage sized camera on boot. Move the camera around the world with Phaser.Camera.x/y
*
* @class Phaser.Camera
* @constructor
* @param {Phaser.Game} game - Game reference to the currently running game.
* @param {number} id - Not being used at the moment, will be when Phaser supports multiple camera
* @param {number} x - Position of the camera on the X axis
* @param {number} y - Position of the camera on the Y axis
* @param {number} width - The width of the view rectangle
* @param {number} height - The height of the view rectangle
*/
Phaser.Camera = function (game, id, x, y, width, height) {
/**
* @property {Phaser.Game} game - A reference to the currently running Game.
*/
this.game = game;
/**
* @property {Phaser.World} world - A reference to the game world.
*/
this.world = game.world;
/**
* @property {number} id - Reserved for future multiple camera set-ups.
* @default
*/
this.id = 0;
/**
* Camera view.
* The view into the world we wish to render (by default the game dimensions).
* The x/y values are in world coordinates, not screen coordinates, the width/height is how many pixels to render.
* Sprites outside of this view are not rendered if Sprite.autoCull is set to `true`. Otherwise they are always rendered.
* @property {Phaser.Rectangle} view
*/
this.view = new Phaser.Rectangle(x, y, width, height);
/**
* The Camera is bound to this Rectangle and cannot move outside of it. By default it is enabled and set to the size of the World.
* The Rectangle can be located anywhere in the world and updated as often as you like. If you don't wish the Camera to be bound
* at all then set this to null. The values can be anything and are in World coordinates, with 0,0 being the top-left of the world.
*
* @property {Phaser.Rectangle} bounds - The Rectangle in which the Camera is bounded. Set to null to allow for movement anywhere.
*/
this.bounds = new Phaser.Rectangle(x, y, width, height);
/**
* @property {Phaser.Rectangle} deadzone - Moving inside this Rectangle will not cause the camera to move.
*/
this.deadzone = null;
/**
* @property {boolean} visible - Whether this camera is visible or not.
* @default
*/
this.visible = true;
/**
* @property {boolean} roundPx - If a Camera has roundPx set to `true` it will call `view.floor` as part of its update loop, keeping its boundary to integer values. Set this to `false` to disable this from happening.
* @default
*/
this.roundPx = true;
/**
* @property {boolean} atLimit - Whether this camera is flush with the World Bounds or not.
*/
this.atLimit = { x: false, y: false };
/**
* @property {Phaser.Sprite} target - If the camera is tracking a Sprite, this is a reference to it, otherwise null.
* @default
*/
this.target = null;
/**
* @property {PIXI.DisplayObject} displayObject - The display object to which all game objects are added. Set by World.boot.
*/
this.displayObject = null;
/**
* @property {Phaser.Point} scale - The scale of the display object to which all game objects are added. Set by World.boot.
*/
this.scale = null;
/**
* @property {number} totalInView - The total number of Sprites with `autoCull` set to `true` that are visible by this Camera.
* @readonly
*/
this.totalInView = 0;
/**
* The linear interpolation value to use when following a target.
* The default values of 1 means the camera will instantly snap to the target coordinates.
* A lower value, such as 0.1 means the camera will more slowly track the target, giving
* a smooth transition. You can set the horizontal and vertical values independently, and also
* adjust this value in real-time during your game.
* @property {Phaser.Point} lerp
* @default
*/
this.lerp = new Phaser.Point(1, 1);
/**
* @property {Phaser.Signal} onShakeComplete - This signal is dispatched when the camera shake effect completes.
*/
this.onShakeComplete = new Phaser.Signal();
/**
* @property {Phaser.Signal} onFlashComplete - This signal is dispatched when the camera flash effect completes.
*/
this.onFlashComplete = new Phaser.Signal();
/**
* This signal is dispatched when the camera fade effect completes.
* When the fade effect completes you will be left with the screen black (or whatever
* color you faded to). In order to reset this call `Camera.resetFX`. This is called
* automatically when you change State.
* @property {Phaser.Signal} onFadeComplete
*/
this.onFadeComplete = new Phaser.Signal();
/**
* The Graphics object used to handle camera fx such as fade and flash.
* @property {Phaser.Graphics} fx
* @protected
*/
this.fx = null;
/**
* @property {Phaser.Point} _targetPosition - Internal point used to calculate target position.
* @private
*/
this._targetPosition = new Phaser.Point();
/**
* @property {number} edge - Edge property.
* @private
* @default
*/
this._edge = 0;
/**
* @property {Phaser.Point} position - Current position of the camera in world.
* @private
* @default
*/
this._position = new Phaser.Point();
/**
* @property {Object} _shake - The shake effect container.
* @private
*/
this._shake = {
intensity: 0,
duration: 0,
horizontal: false,
vertical: false,
shakeBounds: true,
x: 0,
y: 0
};
/**
* @property {number} _fxDuration - FX duration timer.
* @private
*/
this._fxDuration = 0;
/**
* @property {number} _fxType - The FX type running.
* @private
*/
this._fxType = 0;
};
/**
* @constant
* @type {number}
*/
Phaser.Camera.FOLLOW_LOCKON = 0;
/**
* @constant
* @type {number}
*/
Phaser.Camera.FOLLOW_PLATFORMER = 1;
/**
* @constant
* @type {number}
*/
Phaser.Camera.FOLLOW_TOPDOWN = 2;
/**
* @constant
* @type {number}
*/
Phaser.Camera.FOLLOW_TOPDOWN_TIGHT = 3;
/**
* @constant
* @type {number}
*/
Phaser.Camera.SHAKE_BOTH = 4;
/**
* @constant
* @type {number}
*/
Phaser.Camera.SHAKE_HORIZONTAL = 5;
/**
* @constant
* @type {number}
*/
Phaser.Camera.SHAKE_VERTICAL = 6;
/**
* @constant
* @type {boolean}
*/
Phaser.Camera.ENABLE_FX = true;
Phaser.Camera.prototype = {
/**
* Called automatically by Phaser.World.
*
* @method Phaser.Camera#boot
* @private
*/
boot: function () {
this.displayObject = this.game.world;
this.scale = this.game.world.scale;
this.game.camera = this;
if (Phaser.Graphics && Phaser.Camera.ENABLE_FX)
{
this.fx = new Phaser.Graphics(this.game);
this.game.stage.addChild(this.fx);
}
},
/**
* Camera preUpdate. Sets the total view counter to zero.
*
* @method Phaser.Camera#preUpdate
*/
preUpdate: function () {
this.totalInView = 0;
},
/**
* Tell the camera which sprite to follow.
*
* You can set the follow type and a linear interpolation value.
* Use low lerp values (such as 0.1) to automatically smooth the camera motion.
*
* If you find you're getting a slight "jitter" effect when following a Sprite it's probably to do with sub-pixel rendering of the Sprite position.
* This can be disabled by setting `game.renderer.renderSession.roundPixels = true` to force full pixel rendering.
*
* @method Phaser.Camera#follow
* @param {Phaser.Sprite|Phaser.Image|Phaser.Text} target - The object you want the camera to track. Set to null to not follow anything.
* @param {number} [style] - Leverage one of the existing "deadzone" presets. If you use a custom deadzone, ignore this parameter and manually specify the deadzone after calling follow().
* @param {float} [lerpX=1] - A value between 0 and 1. This value specifies the amount of linear interpolation to use when horizontally tracking the target. The closer the value to 1, the faster the camera will track.
* @param {float} [lerpY=1] - A value between 0 and 1. This value specifies the amount of linear interpolation to use when vertically tracking the target. The closer the value to 1, the faster the camera will track.
*/
follow: function (target, style, lerpX, lerpY) {
if (style === undefined) { style = Phaser.Camera.FOLLOW_LOCKON; }
if (lerpX === undefined) { lerpX = 1; }
if (lerpY === undefined) { lerpY = 1; }
this.target = target;
this.lerp.set(lerpX, lerpY);
var helper;
switch (style) {
case Phaser.Camera.FOLLOW_PLATFORMER:
var w = this.width / 8;
var h = this.height / 3;
this.deadzone = new Phaser.Rectangle((this.width - w) / 2, (this.height - h) / 2 - h * 0.25, w, h);
break;
case Phaser.Camera.FOLLOW_TOPDOWN:
helper = Math.max(this.width, this.height) / 4;
this.deadzone = new Phaser.Rectangle((this.width - helper) / 2, (this.height - helper) / 2, helper, helper);
break;
case Phaser.Camera.FOLLOW_TOPDOWN_TIGHT:
helper = Math.max(this.width, this.height) / 8;
this.deadzone = new Phaser.Rectangle((this.width - helper) / 2, (this.height - helper) / 2, helper, helper);
break;
case Phaser.Camera.FOLLOW_LOCKON:
this.deadzone = null;
break;
default:
this.deadzone = null;
break;
}
},
/**
* Sets the Camera follow target to null, stopping it from following an object if it's doing so.
*
* @method Phaser.Camera#unfollow
*/
unfollow: function () {
this.target = null;
},
/**
* Move the camera focus on a display object instantly.
* @method Phaser.Camera#focusOn
* @param {any} displayObject - The display object to focus the camera on. Must have visible x/y properties.
*/
focusOn: function (displayObject) {
this.setPosition(Math.round(displayObject.x - this.view.halfWidth), Math.round(displayObject.y - this.view.halfHeight));
},
/**
* Move the camera focus on a location instantly.
* @method Phaser.Camera#focusOnXY
* @param {number} x - X position.
* @param {number} y - Y position.
*/
focusOnXY: function (x, y) {
this.setPosition(Math.round(x - this.view.halfWidth), Math.round(y - this.view.halfHeight));
},
/**
* This creates a camera shake effect. It works by applying a random amount of additional
* spacing on the x and y axis each frame. You can control the intensity and duration
* of the effect, and if it should effect both axis or just one.
*
* When the shake effect ends the signal Camera.onShakeComplete is dispatched.
*
* @method Phaser.Camera#shake
* @param {float} [intensity=0.05] - The intensity of the camera shake. Given as a percentage of the camera size representing the maximum distance that the camera can move while shaking.
* @param {number} [duration=500] - The duration of the shake effect in milliseconds.
* @param {boolean} [force=true] - If a camera shake effect is already running and force is true it will replace the previous effect, resetting the duration.
* @param {number} [direction=Phaser.Camera.SHAKE_BOTH] - The directions in which the camera can shake. Either Phaser.Camera.SHAKE_BOTH, Phaser.Camera.SHAKE_HORIZONTAL or Phaser.Camera.SHAKE_VERTICAL.
* @param {boolean} [shakeBounds=true] - Is the effect allowed to shake the camera beyond its bounds (if set?).
* @return {boolean} True if the shake effect was started, otherwise false.
*/
shake: function (intensity, duration, force, direction, shakeBounds) {
if (intensity === undefined) { intensity = 0.05; }
if (duration === undefined) { duration = 500; }
if (force === undefined) { force = true; }
if (direction === undefined) { direction = Phaser.Camera.SHAKE_BOTH; }
if (shakeBounds === undefined) { shakeBounds = true; }
if (!force && this._shake.duration > 0)
{
// Can't reset an already running shake
return false;
}
this._shake.intensity = intensity;
this._shake.duration = duration;
this._shake.shakeBounds = shakeBounds;
this._shake.x = 0;
this._shake.y = 0;
this._shake.horizontal = (direction === Phaser.Camera.SHAKE_BOTH || direction === Phaser.Camera.SHAKE_HORIZONTAL);
this._shake.vertical = (direction === Phaser.Camera.SHAKE_BOTH || direction === Phaser.Camera.SHAKE_VERTICAL);
return true;
},
/**
* This creates a camera flash effect. It works by filling the game with the solid fill
* color specified, and then fading it away to alpha