Phaser.Camera = function (game, id, x, y, width, height){ 
this.game = game; 
this.world = game.world; 
this.id = 0; 
this.view = new Phaser.Rectangle(x, y, width, height); 
this.bounds = new Phaser.Rectangle(x, y, width, height); 
this.deadzone = null ; 
this.visible = true ; 
this.roundPx = true ; 
this.atLimit = { 
x: false ,
y: false }
; 
_AN_Write_target('target', this, false , null ); 
this.displayObject = null ; 
this.scale = null ; 
this.totalInView = 0; 
this._targetPosition = new Phaser.Point(); 
this._edge = 0; 
this._position = new Phaser.Point(); 
} 
; 
Phaser.Camera.FOLLOW_LOCKON = 0; 
Phaser.Camera.FOLLOW_PLATFORMER = 1; 
Phaser.Camera.FOLLOW_TOPDOWN = 2; 
Phaser.Camera.FOLLOW_TOPDOWN_TIGHT = 3; 
Phaser.Camera.prototype = { 
preUpdate: function (){ 
this.totalInView = 0; 
} 
,
follow: function (target, style){ 
if (style === undefined) { 
style = Phaser.Camera.FOLLOW_LOCKON; 
} 
_AN_Write_target('target', this, false , target); 
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 ; 
} 
} 
} 
,
unfollow: function (){ 
_AN_Write_target('target', this, false , null ); 
} 
,
focusOn: function (displayObject){ 
this.setPosition(Math.round(displayObject.x - this.view.halfWidth), Math.round(displayObject.y - this.view.halfHeight)); 
} 
,
focusOnXY: function (x, y){ 
this.setPosition(Math.round(x - this.view.halfWidth), Math.round(y - this.view.halfHeight)); 
} 
,
update: function (){ 
if (this.target) { 
this.updateTarget(); 
} 
if (this.bounds) { 
this.checkBounds(); 
} 
if (this.roundPx) { 
this.view.floor(); 
} 
this.displayObject.position.x = - this.view.x; 
this.displayObject.position.y = - this.view.y; 
} 
,
updateTarget: function (){ 
this._targetPosition.copyFrom(_AN_Read_target('target', this)); 
if (_AN_Read_target('target', this).parent) { 
this._targetPosition.multiply(_AN_Read_target('target', this).parent.worldTransform.a, _AN_Read_target('target', this).parent.worldTransform.d); 
} 
if (this.deadzone) { 
this._edge = this._targetPosition.x - this.view.x; 
if (this._edge < this.deadzone.left) { 
this.view.x = this._targetPosition.x - this.deadzone.left; 
} 
 else if (this._edge > this.deadzone.right) { 
this.view.x = this._targetPosition.x - this.deadzone.right; 
} 
this._edge = this._targetPosition.y - this.view.y; 
if (this._edge < this.deadzone.top) { 
this.view.y = this._targetPosition.y - this.deadzone.top; 
} 
 else if (this._edge > this.deadzone.bottom) { 
this.view.y = this._targetPosition.y - this.deadzone.bottom; 
} 
} 
 else { 
this.view.x = this._targetPosition.x - this.view.halfWidth; 
this.view.y = this._targetPosition.y - this.view.halfHeight; 
} 
} 
,
setBoundsToWorld: function (){ 
if (this.bounds) { 
this.bounds.copyFrom(this.game.world.bounds); 
} 
} 
,
checkBounds: function (){ 
this.atLimit.x = false ; 
this.atLimit.y = false ; 
if (this.view.x <= this.bounds.x) { 
this.atLimit.x = true ; 
this.view.x = this.bounds.x; 
} 
if (this.view.right >= this.bounds.right) { 
this.atLimit.x = true ; 
this.view.x = this.bounds.right - this.width; 
} 
if (this.view.y <= this.bounds.top) { 
this.atLimit.y = true ; 
this.view.y = this.bounds.top; 
} 
if (this.view.bottom >= this.bounds.bottom) { 
this.atLimit.y = true ; 
this.view.y = this.bounds.bottom - this.height; 
} 
} 
,
setPosition: function (x, y){ 
this.view.x = x; 
this.view.y = y; 
if (this.bounds) { 
this.checkBounds(); 
} 
} 
,
setSize: function (width, height){ 
this.view.width = width; 
this.view.height = height; 
} 
,
reset: function (){ 
_AN_Write_target('target', this, false , null ); 
this.view.x = 0; 
this.view.y = 0; 
} 
}
; 
Phaser.Camera.prototype.constructor = Phaser.Camera; 
Object.defineProperty(Phaser.Camera.prototype, "x", { 
get: function (){ 
return this.view.x; 
} 
,
set: function (value){ 
this.view.x = value; 
if (this.bounds) { 
this.checkBounds(); 
} 
} 
}
); 
Object.defineProperty(Phaser.Camera.prototype, "y", { 
get: function (){ 
return this.view.y; 
} 
,
set: function (value){ 
this.view.y = value; 
if (this.bounds) { 
this.checkBounds(); 
} 
} 
}
); 
Object.defineProperty(Phaser.Camera.prototype, "position", { 
get: function (){ 
this._position.set(this.view.centerX, this.view.centerY); 
return this._position; 
} 
,
set: function (value){ 
if (typeof value.x !== "undefined") { 
this.view.x = value.x; 
} 
if (typeof value.y !== "undefined") { 
this.view.y = value.y; 
} 
if (this.bounds) { 
this.checkBounds(); 
} 
} 
}
); 
Object.defineProperty(Phaser.Camera.prototype, "width", { 
get: function (){ 
return this.view.width; 
} 
,
set: function (value){ 
this.view.width = value; 
} 
}
); 
Object.defineProperty(Phaser.Camera.prototype, "height", { 
get: function (){ 
return this.view.height; 
} 
,
set: function (value){ 
this.view.height = value; 
} 
}
);