File

projects/atft/src/lib/object/abstract-lazy-object-3d.ts

Extends

AbstractObject3D

Implements

OnDestroy

Index

Properties

Protected lazyObject
Private parentInitialized
Protected childlren
Protected object

Inputs

layer
Type : `number`
Default value : `0`
Inherited from `AbstractObject3D`
Defined in `AbstractObject3D:42`

name
Type : `string`
Default value : `uuidv4()`
Inherited from `AbstractObject3D`
Defined in `AbstractObject3D:40`

rotateX
Type : `number`
Inherited from `AbstractObject3D`
Defined in `AbstractObject3D:24`
Rotation in Euler angles (radians) with order X, Y, Z.

rotateY
Type : `number`
Inherited from `AbstractObject3D`
Defined in `AbstractObject3D:25`

rotateZ
Type : `number`
Inherited from `AbstractObject3D`
Defined in `AbstractObject3D:26`

scaleX
Type : `number`
Default value : `1`
Inherited from `AbstractObject3D`
Defined in `AbstractObject3D:36`

scaleY
Type : `number`
Default value : `1`
Inherited from `AbstractObject3D`
Defined in `AbstractObject3D:37`

scaleZ
Type : `number`
Default value : `1`
Inherited from `AbstractObject3D`
Defined in `AbstractObject3D:38`

translateX
Type : `number`
Inherited from `AbstractObject3D`
Defined in `AbstractObject3D:31`
Translate the geometry. This is typically done as a one time operation, and not during a loop.

translateY
Type : `number`
Inherited from `AbstractObject3D`
Defined in `AbstractObject3D:32`

translateZ
Type : `number`
Inherited from `AbstractObject3D`
Defined in `AbstractObject3D:33`

Outputs

changed
Type : `EventEmitter`
Inherited from `AbstractObject3D`
Defined in `AbstractObject3D:44`

Methods

Protected afterInit

afterInit()

Inherited from AbstractObject3D

Defined in AbstractObject3D:33

Returns : void

Protected Abstract loadLazyObject

loadLazyObject()

Defined in projects/atft/src/lib/object/abstract-lazy-object-3d.ts:31

Abstract method for lazy loading

Returns : Promise<THREE.Object3D>

Protected newObject3DInstance

newObject3DInstance()

Inherited from AbstractObject3D

Defined in AbstractObject3D:68

Returns : THREE.Object3D

ngOnDestroy

ngOnDestroy()

Inherited from AbstractObject3D

Defined in AbstractObject3D:62

Returns : void

Protected startLoading

startLoading()

Defined in projects/atft/src/lib/object/abstract-lazy-object-3d.ts:39

Returns : void

Public addChild

addChild(object: AbstractObject3D<any>)

Inherited from AbstractObject3D

Defined in AbstractObject3D:143

Parameters :

Name	Type	Optional
object	`AbstractObject3D<any>`	No

Returns : void

Public applyRotation

applyRotation()

Inherited from AbstractObject3D

Defined in AbstractObject3D:118

Returns : void

Public applyScale

applyScale()

Inherited from AbstractObject3D

Defined in AbstractObject3D:135

Returns : void

Public applyTranslation

applyTranslation()

Inherited from AbstractObject3D

Defined in AbstractObject3D:127

Returns : void

Public findByName

findByName(name: string)

Inherited from AbstractObject3D

Defined in AbstractObject3D:185

Parameters :

Name	Type	Optional
name	`string`	No

Returns : any

Public getChildren

getChildren()

Inherited from AbstractObject3D

Defined in AbstractObject3D:202

Returns : Array<AbstractObject3D<any>>

Public getObject

getObject()

Inherited from AbstractObject3D

Defined in AbstractObject3D:175

Returns : T

Public ngAfterViewInit

ngAfterViewInit()

Inherited from AbstractObject3D

Defined in AbstractObject3D:181

Returns : void

Public ngOnChanges

ngOnChanges(changes: SimpleChanges)

Inherited from AbstractObject3D

Defined in AbstractObject3D:57

Parameters :

Name	Type	Optional
changes	`SimpleChanges`	No

Returns : void

Public ngOnInit

ngOnInit()

Inherited from AbstractObject3D

Defined in AbstractObject3D:97

Returns : void

Protected recursionByName

recursionByName(currentNode: AbstractObject3D<any>, name: string)

Inherited from AbstractObject3D

Defined in AbstractObject3D:192

Parameters :

Name	Type	Optional
currentNode	`AbstractObject3D<any>`	No
name	`string`	No

Returns : any

Public removeChild

removeChild(object: AbstractObject3D<any>)

Inherited from AbstractObject3D

Defined in AbstractObject3D:160

Parameters :

Name	Type	Optional
object	`AbstractObject3D<any>`	No

Returns : void

Public removeChildByName

removeChildByName(name: string)

Inherited from AbstractObject3D

Defined in AbstractObject3D:206

Parameters :

Name	Type	Optional
name	`string`	No

Returns : void

Public updateParent

updateParent()

Inherited from AbstractObject3D

Defined in AbstractObject3D:111

Returns : void

Properties

Protected lazyObject

Type : THREE.Object3D | undefined

Defined in projects/atft/src/lib/object/abstract-lazy-object-3d.ts:24

This is reference to lazy loaded Object3D (async after init)

Private parentInitialized

Default value : false

Defined in projects/atft/src/lib/object/abstract-lazy-object-3d.ts:19

Flag to signal whether the parentScene class instance AbstractObject3D called the overwritten method AbstractModelLoader yet.

Unless that method was called, no methods and properties of AbstractObject3D may be safely accessed, especially AbstractObject3D and AbstractObject3D.renderer.

Protected childlren

Type : Array<AbstractObject3D<any>>

Default value : []

Inherited from AbstractObject3D

Defined in AbstractObject3D:46

Protected object

Type : T

Inherited from AbstractObject3D

Defined in AbstractObject3D:48

import {Directive, OnDestroy} from '@angular/core';

import {AbstractObject3D} from './abstract-object-3d';

import * as THREE from 'three';

@Directive()
// eslint-disable-next-line @angular-eslint/directive-class-suffix
export abstract class AbstractLazyObject3D extends AbstractObject3D<THREE.Object3D> implements OnDestroy {

  /**
   * Flag to signal whether the parentScene class instance AbstractObject3D called the
   * overwritten method {@link AbstractModelLoader#afterInit} yet.
   *
   * Unless that method was called, no methods and properties of {@link AbstractObject3D}
   * may be safely accessed, especially {@link AbstractObject3D#addChild} and
   * {@link AbstractObject3D.renderer}.
   */
  private parentInitialized = false;

  /**
   * This is reference to lazy loaded Object3D (async after init)
   */
  protected lazyObject: THREE.Object3D | undefined;


  /**
   * Abstract method for lazy loading
   *
   */
  protected abstract loadLazyObject(): Promise<THREE.Object3D>;

  protected override afterInit() {
    super.afterInit();
    this.parentInitialized = true;
    this.startLoading();
  }

  protected startLoading() {
    // console.log('AbstractLazyObject3D.startLoading', this.name + ' / '+this.parentInitialized);
    // Trigger model acquisition now that the parentScene has been initialized.
    this.loadLazyObject().then(obj => {
      // console.log('AbstractLazyObject3D loaded');
      // remove old if exists
      if (this.lazyObject) {
        super.getObject().remove(this.lazyObject);
      }

      // add lazy object to scene
      this.lazyObject = obj;
      super.getObject().add(obj);

      this.rendererService.render();
      setTimeout(() => {
        this.rendererService.render();
      }, 10);
    }).catch(err => {
      console.error(err);
    });
  }

  override ngOnDestroy(): void {
    if (this.lazyObject) {
      super.getObject().remove(this.lazyObject);
    }
  }

  protected newObject3DInstance(): THREE.Object3D {
    // Just empty object (holder of lazy object)
    return new THREE.Object3D();
  }

}

File

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Inputs

Outputs

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