# [name]

This class is an alternative implementation of [page:FlyControls].

## Example

[example:webgl_geometry_terrain webgl / geometry / terrain ]

## Constructor

### [name]( [param:Camera object], [param:HTMLDOMElement domElement] )

[page:Camera object]: The camera to be controlled.

[page:HTMLDOMElement domElement]: The HTML element used for event listeners.

Creates a new instance of [name].

## Properties

### [property:Boolean activeLook]

Whether or not it's possible to look around. Default is *true*.

### [property:Boolean autoForward]

Whether or not the camera is automatically moved forward. Default is *false*.

### [property:Boolean constrainVertical]

Whether or not looking around is vertically constrained by [[page:.verticalMin], [page:.verticalMax]]. Default is *false*.

### [property:HTMLDOMElement domElement]

The HTMLDOMElement used to listen for mouse / touch events. This must be passed in the constructor; changing it here will not set up new event listeners.

### [property:Boolean enabled]

Whether or not the controls are enabled. Default is *true*.

### [property:Number heightCoef]

Determines how much faster the camera moves when it's y-component is near [page:.heightMax]. Default is *1*.

### [property:Number heightMax]

Upper camera height limit used for movement speed adjusment. Default is *1*.

### [property:Number heightMin]

Lower camera height limit used for movement speed adjusment. Default is *0*.

### [property:Boolean heightSpeed]

Whether or not the camera's height influences the forward movement speed. Default is *false*. Use the properties [page:.heightCoef], [page:.heightMin] and [page:.heightMax] for configuration.

### [property:Boolean lookVertical]

Whether or not it's possible to vertically look around. Default is *true*.

### [property:Number lookSpeed]

The look around speed. Default is *0.005*.

### [property:Boolean mouseDragOn]

Whether or not the mouse is pressed down. Read-only property.

### [property:Number movementSpeed]

The movement speed. Default is *1*.

### [property:Camera object]

The camera to be controlled.

### [property:Number verticalMax]

How far you can vertically look around, upper limit. Range is 0 to Math.PI radians. Default is *Math.PI*.

### [property:Number verticalMin]

How far you can vertically look around, lower limit. Range is 0 to Math.PI radians. Default is *0*.

## Methods

### [method:null dispose] ()

Should be called if the controls is no longer required.

### [method:null handleResize] ()

Should be called if the application window is resized.

### [method:FirstPersonControls lookAt]( [param:Vector3 vector] )
[method:FirstPersonControls lookAt]( [param:Float x], [param:Float y], [param:Float z] )

vector - A vector representing the target position.

Optionally, the x, y, z components of the world space position.

Ensures the controls orient the camera towards the defined target position.

### [method:null update] ( [param:Number delta] )

[page:Number delta]: Time delta value.

Updates the controls. Usually called in the animation loop.

## Source

[link:https://github.com/mrdoob/three.js/blob/master/examples/js/controls/FirstPersonControls.js examples/js/controls/FirstPersonControls.js]