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Class: ViewerApp

Core-API.ViewerApp

The main entry point for the 3D viewer SDK. Creates a scene, renderer and attaches itself to a canvas.

Hierarchy​

  • SimpleEventDispatcher<"update" | "preRender" | "postRender" | "preFrame" | "postFrame" | "dispose" | "addPlugin" | "renderEnabled" | "renderDisabled">

    ↳ ViewerApp

    ↳↳ CoreViewerApp

    ↳↳ CoreEditorApp

Implements​

  • IViewerApp

Properties​

VERSION​

▪ Static Readonly VERSION: "0.11.0"


console​

• console: Console = console

Implementation of​

IViewerApp.console


scene​

• Readonly scene: RootScene<CameraController<CameraControllerEventMap>>

The Scene attached to the viewer, this cannot be changed.

Implementation of​

IViewerApp.scene


plugins​

• Readonly plugins: Record<string, IViewerPlugin<boolean>> = {}

Implementation of​

IViewerApp.plugins


renderFilter​

• Readonly renderFilter: IFilter<RenderPass2, "render">

The IFilter wrapper for the main render pass for the effect composer.


resizeObserver​

• Readonly resizeObserver: undefined | ResizeObserver

The ResizeObserver observing the canvas element. Add more elements to this observer to resize viewer on their size change.


enabled​

• enabled: boolean = true

If the viewer is enabled. Set this false to disable RAF loop.


renderEnabled​

• renderEnabled: boolean = true

Enable or disable all rendering, Animation loop including any frame/render events won't be fired when this is false.


maxFramePerLoop​

• maxFramePerLoop: number = 1

Specifies how many frames to render in a single request animation frame. Keep to 1 for realtime rendering. Note: should be max (screen refresh rate / animation frame rate) like 60Hz / 30fps


rendersPerFrame​

• rendersPerFrame: number = 1

Number of times to run composer render. Used in WebVR plugin.


serializePluginsIgnored​

• serializePluginsIgnored: string[] = []

Accessors​

useRgbm​

• get useRgbm(): boolean

Use RGBM HDR Pipeline for rendering, which makes it faster on smaller devices but disables some features like transparency.

Returns​

boolean

Implementation of​

IViewerApp.useRgbm


screenShader​

• get screenShader(): TViewerScreenShader

Screen shader used for final rendering on screen, this can be used by other plugins to render on screen like TonemapPlugin. so it's readonly.

Returns​

TViewerScreenShader


useGBufferDepth​

• get useGBufferDepth(): boolean

Whether to use the rendered gbuffer as depth-prepass. Requires GBufferPlugin This gives performance improvements but sometimes creates issues with z-fighting

Returns​

boolean

Implementation of​

IViewerApp.useGBufferDepth


isAntialiased​

• get isAntialiased(): boolean

Whether using Multisample render targets for rendering.

Returns​

boolean

Implementation of​

IViewerApp.isAntialiased


renderer​

• get renderer(): BaseRenderer

The renderer for the viewer that's attached to the canvas. This is wrapper around WebGLRenderer and EffectComposer and manages post-processing passes and rendering logic

Returns​

BaseRenderer

Implementation of​

IViewerApp.renderer


state​

• get state(): ViewerState

deprecated State of the viewer. Not implemented.

see ViewerApp.enabled.

Returns​

ViewerState

Implementation of​

IViewerApp.state


container​

• get container(): HTMLElement

Get the HTML Element containing the canvas

Returns​

HTMLElement

Implementation of​

IViewerApp.container


canvas​

• get canvas(): HTMLCanvasElement

Get the HTML Canvas Element where the viewer is rendering

Returns​

HTMLCanvasElement

Implementation of​

IViewerApp.canvas


canvasTexture​

• get canvasTexture(): CanvasTexture

Returns​

CanvasTexture


renderManager​

• get renderManager(): BaseRenderer

Returns​

BaseRenderer


assetManager​

• get assetManager(): undefined | AssetManagerPlugin

Returns​

undefined | AssetManagerPlugin

Constructors​

constructor​

• new ViewerApp(__namedParameters)

Create a viewer instance for using the webgi viewer SDK.

Parameters​

NameType
__namedParametersIViewerAppOptions

Overrides​

SimpleEventDispatcher<'update'|'preRender'|'postRender'|'preFrame'|'postFrame'|'dispose'|'addPlugin'|'renderEnabled'|'renderDisabled'\>.constructor

Methods​

resize​

▸ resize(): void

Mark that the canvas is resized. If the size is changed, the renderer and all render targets are resized. This happens before the render of the next frame.

Returns​

void


setDirty​

▸ setDirty(source?, event?): void

Set the viewer to dirty and trigger render of the next frame.

Parameters​

NameTypeDescription
source?anyThe source of the dirty event. like plugin or 3d object
event?IEvent<any>The event that triggered the dirty event.

Returns​

void

Implementation of​

IViewerApp.setDirty


dispose​

▸ dispose(): void

Disposes the viewer and frees up all resource and events. Do not use the viewer after calling dispose.

note - If you want to reuse the viewer, set viewer.enabled to false instead, then set it to true again when required. To dispose all the objects, materials in the scene use viewer.scene.disposeSceneModels() This function is not fully implemented yet. There might be some memory leaks.

Returns​

void


getPlugin​

▸ getPlugin<T>(type): undefined | T

Get the Plugin by a type.

Type parameters​

NameType
Textends IViewerPlugin<boolean, T>

Parameters​

NameTypeDescription
typestring | Class<T>The class of the plugin to get.

Returns​

undefined | T

  • The plugin of the specified type.

Implementation of​

IViewerApp.getPlugin


getPluginByType​

▸ getPluginByType<T>(type): undefined | T

Get the Plugin by the string type. Use this function if the plugin is not a dependency and you don't want to bundle the plugin.

Type parameters​

NameType
Textends IViewerPlugin<boolean, T>

Parameters​

NameTypeDescription
typestringThe string type of the plugin to get. This in the static PluginType property of the plugin

Returns​

undefined | T

Implementation of​

IViewerApp.getPluginByType


getOrAddPlugin​

▸ getOrAddPlugin<T>(type, ...args): Promise<T>

Type parameters​

NameType
Textends IViewerPlugin<boolean, T>

Parameters​

NameType
typeClass<T>
...argsany[]

Returns​

Promise<T>

Implementation of​

IViewerApp.getOrAddPlugin


getOrAddPluginSync​

▸ getOrAddPluginSync<T>(type, ...args): T

Type parameters​

NameType
Textends IViewerPluginSync<T>

Parameters​

NameType
typeClass<T>
...argsany[]

Returns​

T


addPlugin​

▸ addPlugin<T>(plugin, ...args): Promise<T>

Add a plugin to the viewer.

Type parameters​

NameType
Textends IViewerPlugin<boolean, T>

Parameters​

NameTypeDescription
pluginT | Class<T>The instance of the plugin to add or the class of the plugin to add.
...argsany[]Arguments for the constructor of the plugin, in case a class is passed.

Returns​

Promise<T>

  • The plugin added.

Implementation of​

IViewerApp.addPlugin


addPluginSync​

▸ addPluginSync<T>(plugin, ...args): T

Add a plugin to the viewer(sync).

Type parameters​

NameType
Textends IViewerPluginSync<T>

Parameters​

NameType
pluginT | Class<T>
...argsany[]

Returns​

T


addPlugins​

▸ addPlugins(plugins): Promise<void>

Parameters​

NameType
plugins(IViewerPlugin<boolean> | Class<IViewerPlugin<boolean>>)[]

Returns​

Promise<void>


addPluginsSync​

▸ addPluginsSync(plugins): Promise<void>

Parameters​

NameType
plugins(IViewerPluginSync | Class<IViewerPluginSync>)[]

Returns​

Promise<void>


removePlugin​

▸ removePlugin(p, dispose?): Promise<void>

Remove a plugin instance or a plugin class. Works similar to {@see ViewerApp.addPlugin}

Parameters​

NameTypeDefault value
pIViewerPlugin<boolean>undefined
disposebooleantrue

Returns​

Promise<void>

Implementation of​

IViewerApp.removePlugin


removePluginSync​

▸ removePluginSync(p, dispose?): void

Parameters​

NameTypeDefault value
pIViewerPluginSyncundefined
disposebooleantrue

Returns​

void


createCamera​

▸ createCamera(camera): CameraController<CameraControllerEventMap>

Converts a three.js Camera instance to be used in the viewer.

Parameters​

NameTypeDescription
cameraOrthographicCamera<Object3DEventMap> | PerspectiveCamera<Object3DEventMap>The three.js OrthographicCamera or PerspectiveCamera instance

Returns​

CameraController<CameraControllerEventMap>

  • A wrapper around the camera with some useful methods and properties.

Implementation of​

IViewerApp.createCamera


setSize​

▸ setSize(size?): void

Set size of the canvas and update the renderer. If no width/height is passed, canvas is set to 100% of the container.

Parameters​

NameType
size?Object
size.width?number
size.height?number

Returns​

void


doOnce​

▸ doOnce<TRet>(event, func?): Promise<undefined | TRet>

Type parameters​

Name
TRet

Parameters​

NameType
event"preRender" | "postRender" | "preFrame" | "postFrame" | "renderEnabled" | "renderDisabled"
func?(...args: any[]) => TRet

Returns​

Promise<undefined | TRet>


setBackgroundColor​

▸ setBackgroundColor(color): void

Set the background color.

deprecated use {@see RootScene.setBackgroundColor} instead.

Parameters​

NameTypeDescription
colorstring | number | Colorcolor in sRGB space.

Returns​

void

Implementation of​

IViewerApp.setBackgroundColor


setBackground​

▸ setBackground(asset): void

Set the background color or texture, toggle it to show the environment as the background. This function is async because the background can be processed by some plugins after setting. This assumes the color to be in the Linear RGB color space, to use with sRGB use function {@see setBackgroundColor}.

deprecated use {@see RootScene.setBackground} instead.

Parameters​

NameTypeDescription
assetnull | string | number | ITexture<any> | Colora Texture object, or a string/number/Color to set a solid color or {@see envMapBackground} for showing the scene environment map

Returns​

void

  • returns after background is set.

Implementation of​

IViewerApp.setBackground


getBackground​

▸ getBackground(raw?): null | string | number | ITexture<any>

Get the background color or texture for the scene.

Parameters​

NameTypeDefault valueDescription
rawbooleanfalseif true, returns the raw value that was passed to {@see setBackground}, otherwise returns the computed value. (eg. with RGBM, colors are converted to 1px textures, when raw is false, the texture is returned, else the raw color value that was set.)

Returns​

null | string | number | ITexture<any>

Implementation of​

IViewerApp.getBackground


getManager​

▸ getManager(): undefined | AssetManagerPlugin

Gets the Asset management plugin, contains useful functions for managing, loading and inserting assets.

Returns​

undefined | AssetManagerPlugin


resetCamera​

▸ resetCamera(__namedParameters?): void

Sets the camera pointing towards the object at a specific distance.

Parameters​

NameType
__namedParametersAnyOptions

Returns​

void

Implementation of​

IViewerApp.resetCamera


fitToView​

▸ fitToView(selected?, distanceMultiplier?, duration?, ease?): Promise<void>

Parameters​

NameTypeDefault value
selected?Object3D<Object3DEventMap>undefined
distanceMultipliernumber1.5
duration?numberundefined
ease?Easing | "linear" | "easeIn" | "easeOut" | "easeInOut" | "circIn" | "circOut" | "circInOut" | "backIn" | "backOut" | "backInOut" | "anticipate" | "bounceOut" | "bounceIn" | "bounceInOut" | "easeInOutSine"undefined

Returns​

Promise<void>


createObject3D​

▸ createObject3D(object?, addToRoot?): Promise<undefined | Object3DModel>

Create a new empty object in the scene or add an existing three.js object to the scene.

Parameters​

NameTypeDefault value
object?Object3D<Object3DEventMap>undefined
addToRootbooleanfalse

Returns​

Promise<undefined | Object3DModel>


createPhysicalMaterial​

▸ createPhysicalMaterial(material?): undefined | MeshStandardMaterial2<IMaterialEventMap>

Create a new physical material from a template or another material. It returns the same material if a material is passed created by the material manager.

Parameters​

NameType
material?Material<MaterialEventMap> | MeshPhysicalMaterialParameters

Returns​

undefined | MeshStandardMaterial2<IMaterialEventMap>


createMaterial​

▸ createMaterial<T>(template, material?): undefined | T

Create a new material from a template or another material. It returns the same material if a material is passed created by the material manager.

Type parameters​

NameType
Textends IMaterial<any, IMaterialEventMap, T>

Parameters​

NameTypeDescription
templatestringtemplate name registered in MaterialManager
material?anythree.js material object or material params to create a new material

Returns​

undefined | T


serializePlugins​

▸ serializePlugins(meta?, filter?): any[]

Serialize all the plugins and their settings to save or create presets. Used in {@see toJSON}.

Parameters​

NameTypeDescription
meta?anyThe meta object.
filter?string[]List of PluginType for the to include.

Returns​

any[]


deserializePlugins​

▸ deserializePlugins(plugins, meta?): ViewerApp

Deserialize all the plugins and their settings from a preset. Used in {@see fromJSON}.

Parameters​

NameTypeDescription
pluginsany[]The output of {@see serializePlugins}.
meta?Record<string, any>The meta object.

Returns​

ViewerApp


traverseSceneObjects​

▸ traverseSceneObjects<T>(callback): void

Traverse all objects in scene model root.

Type parameters​

NameType
Textends ISceneObject<any> = IModel<Object3D<Object3DEventMap>, IObject3DEventMap>

Parameters​

NameType
callback(o: Object3D<Object3DEventMap> & T) => void

Returns​

void


toJSON​

▸ toJSON(meta?, pluginFilter?): any

Serialize all the viewer and plugin settings and versions.

Parameters​

NameTypeDescription
meta?anyThe meta object.
pluginFilter?string[]List of PluginType to include.

Returns​

any

  • Serializable JSON object.

Implementation of​

IViewerApp.toJSON


fromJSON​

▸ fromJSON(data, meta?): ViewerApp

Deserialize all the viewer and plugin settings.

Parameters​

NameTypeDescription
dataanyThe serialized JSON object returned from {@see toJSON}.
meta?Record<string, any>The meta object

Returns​

ViewerApp

Implementation of​

IViewerApp.fromJSON


load​

▸ load<T>(obj, options?): Promise<undefined | T>

Add an object/model/material/viewer-config/plugin-preset/... to the viewer scene from url or an IAsset object. Same as {@link AssetManager.addAssetSingle}

Type parameters​

NameType
Tany

Parameters​

NameType
objnull | string | IAsset
options?ImportAddOptions

Returns​

Promise<undefined | T>


setEnvironmentMap​

▸ setEnvironmentMap(map, __namedParameters?): Promise<null | ITexture<any> & Texture<TextureEventMap>>

Set the environment map of the scene from url or an IAsset object.

Parameters​

NameType
mapundefined | null | string | ITexture<any> | IAsset | Texture<TextureEventMap>
__namedParameters{ forceImport?: boolean ; reimportDisposed?: boolean ; pathOverride?: string ; importedFile?: IFile } & { processImported?: boolean ; forceImporterReprocess?: boolean ; rootPath?: string ; generateMipmaps?: boolean ; _testDataTextureComplete?: boolean } & AddModelOptions & { pseudoCenter?: boolean ; autoCenter?: boolean ; license?: string } & AnyOptions & ImportFileOptions & { setBackground?: boolean }

Returns​

Promise<null | ITexture<any> & Texture<TextureEventMap>>


setBackgroundMap​

▸ setBackgroundMap(map, __namedParameters?): Promise<null | ITexture<any> & Texture<TextureEventMap>>

Set the background image of the scene from url or an IAsset object.

Parameters​

NameType
mapundefined | null | string | ITexture<any> | IAsset | Texture<TextureEventMap>
__namedParameters{ forceImport?: boolean ; reimportDisposed?: boolean ; pathOverride?: string ; importedFile?: IFile } & { processImported?: boolean ; forceImporterReprocess?: boolean ; rootPath?: string ; generateMipmaps?: boolean ; _testDataTextureComplete?: boolean } & AddModelOptions & { pseudoCenter?: boolean ; autoCenter?: boolean ; license?: string } & AnyOptions & ImportFileOptions & { setBackground?: boolean }

Returns​

Promise<null | ITexture<any> & Texture<TextureEventMap>>


alert​

▸ alert(message?): Promise<void>

Parameters​

NameType
message?string

Returns​

Promise<void>

Implementation of​

IViewerApp.alert


confirm​

▸ confirm(message?): Promise<boolean>

Parameters​

NameType
message?string

Returns​

Promise<boolean>

Implementation of​

IViewerApp.confirm


prompt​

▸ prompt(message?, _default?, cancel?): Promise<null | string>

Parameters​

NameTypeDefault value
message?stringundefined
_default?stringundefined
cancelbooleantrue

Returns​

Promise<null | string>

Implementation of​

IViewerApp.prompt