import {OcclusionTester} from '@xeokit/xeokit-sdk/src/viewer/scene/webgl/occlusion/OcclusionTester.js'

public class | source

OcclusionTester

Manages occlusion testing. Private member of a Renderer.

Constructor Summary

Public Constructor
public	constructor()

Member Summary

Public Members
public	destroyed: boolean
public	errors: *
public get	needOcclusionTest: boolean: * Returns true if an occlusion test is needed.

Method Summary

Public Methods
public	addMarker(marker: *) Adds a Marker for occlusion testing.
public	bindRenderBuf() Binds the render buffer.
public	destroy() Destroys this OcclusionTester.
public	doOcclusionTest() Sets visibilities of Markers according to whether or not they are obscured by anything in the render buffer.
public	drawMarkers() Draws Markers to the render buffer.
public	markerWorldPosUpdated(marker: *) Notifies OcclusionTester that a Marker has updated its World-space position.
public	removeMarker(marker: *) Removes a Marker from occlusion testing.
public	unbindRenderBuf() Unbinds render buffer.

Public Constructors

public constructor() source

Public Members

public destroyed: boolean source

public errors: * source

public get needOcclusionTest: boolean: * source

Returns true if an occlusion test is needed.

Return:

boolean

Public Methods

public addMarker(marker: *) source

Adds a Marker for occlusion testing.

Params:

Name	Type	Attribute	Description
marker	*

public bindRenderBuf() source

Binds the render buffer. After calling this, the caller then renders object silhouettes to the render buffer, then calls drawMarkers() and doOcclusionTest().

public destroy() source

Destroys this OcclusionTester.

public doOcclusionTest() source

Sets visibilities of Markers according to whether or not they are obscured by anything in the render buffer.

public drawMarkers() source

Draws Markers to the render buffer.

public markerWorldPosUpdated(marker: *) source

Notifies OcclusionTester that a Marker has updated its World-space position.

Params:

Name	Type	Attribute	Description
marker	*

public removeMarker(marker: *) source

Removes a Marker from occlusion testing.

Params:

Name	Type	Attribute	Description
marker	*

public unbindRenderBuf() source

Unbinds render buffer.