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feat: add r3f stuffs
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‎libs/angular-three/src/lib/events.ts‎

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‎libs/angular-three/src/lib/types.ts‎

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@@ -272,6 +272,7 @@ export interface NgtInstanceLocalState {
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objects: BehaviorSubject<NgtInstanceNode[]>;
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// shortcut to add/remove object to list
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add: (instance: NgtInstanceNode, type: 'objects' | 'nonObjects') => void;
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remove: (instance: NgtInstanceNode, type: 'objects' | 'nonObjects') => void;
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// parent based on attach three instance
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parent: NgtInstanceNode | null;
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// if this THREE instance is a ngt-primitive

‎libs/angular-three/src/lib/utils/instance.ts‎

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import { BehaviorSubject } from 'rxjs';
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import type { NgtAnyRecord, NgtInstanceLocalState, NgtInstanceNode } from '../types';
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import { checkUpdate } from './update';
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export function getLocalState<TInstance extends object = NgtAnyRecord>(
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obj: TInstance | undefined
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): NgtInstanceLocalState {
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if (!obj) return {} as unknown as NgtInstanceLocalState;
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return (obj as NgtAnyRecord)['__ngt__'] as NgtInstanceLocalState;
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}
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export function invalidateInstance<TInstance extends object>(instance: TInstance) {
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const state = getLocalState(instance).store?.get();
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if (state && state.internal.frames === 0) state.invalidate();
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checkUpdate(instance);
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}
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export function prepare<TInstance extends object = NgtAnyRecord>(
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object: TInstance,
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localState?: Partial<NgtInstanceLocalState>
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): NgtInstanceNode<TInstance> {
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const instance = object as unknown as NgtInstanceNode<TInstance>;
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if (localState?.primitive || !instance.__ngt__) {
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const {
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objects = new BehaviorSubject<NgtInstanceNode[]>([]),
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nonObjects = new BehaviorSubject<NgtInstanceNode[]>([]),
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...rest
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} = localState || {};
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instance.__ngt__ = {
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previousAttach: null,
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store: null,
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parent: null,
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memoized: {},
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eventCount: 0,
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handlers: {},
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objects,
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nonObjects,
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add: (object, type) => {
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instance.__ngt__[type].next([...instance.__ngt__[type].value, object]);
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notifyAncestors(instance.__ngt__.parent);
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},
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remove: (object, type) => {
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instance.__ngt__[type].next(instance.__ngt__[type].value.filter((o) => o !== object));
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notifyAncestors(instance.__ngt__.parent);
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},
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...rest,
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} as NgtInstanceLocalState;
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}
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return instance;
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}
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function notifyAncestors(instance: NgtInstanceNode | null) {
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if (!instance) return;
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const localState = getLocalState(instance);
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if (localState.objects) localState.objects.next(localState.objects.value);
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if (localState.nonObjects) localState.nonObjects.next(localState.nonObjects.value);
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notifyAncestors(localState.parent);
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}

‎libs/angular-three/src/lib/utils/is.ts‎

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import { ElementRef } from '@angular/core';
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import * as THREE from 'three';
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import type { NgtAnyRecord, NgtEquConfig, NgtInstanceNode } from '../types';
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export const is = {
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obj: (a: unknown): a is object => a === Object(a) && !Array.isArray(a) && typeof a !== 'function',
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material: (a: unknown): a is THREE.Material => !!a && (a as THREE.Material).isMaterial,
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geometry: (a: unknown): a is THREE.BufferGeometry => !!a && (a as THREE.BufferGeometry).isBufferGeometry,
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orthographicCamera: (a: unknown): a is THREE.OrthographicCamera =>
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!!a && (a as THREE.OrthographicCamera).isOrthographicCamera,
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perspectiveCamera: (a: unknown): a is THREE.PerspectiveCamera =>
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!!a && (a as THREE.PerspectiveCamera).isPerspectiveCamera,
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camera: (a: unknown): a is THREE.Camera => !!a && (a as THREE.Camera).isCamera,
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renderer: (a: unknown): a is THREE.WebGLRenderer => !!a && a instanceof THREE.WebGLRenderer,
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scene: (a: unknown): a is THREE.Scene => !!a && (a as THREE.Scene).isScene,
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object3D: (a: unknown): a is THREE.Object3D => !!a && (a as THREE.Object3D).isObject3D,
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instance: (a: unknown): a is NgtInstanceNode => !!a && !!(a as NgtAnyRecord)['__ngt__'],
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ref: (a: unknown): a is ElementRef => a instanceof ElementRef,
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equ(a: any, b: any, { arrays = 'shallow', objects = 'reference', strict = true }: NgtEquConfig = {}) {
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// Wrong type or one of the two undefined, doesn't match
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if (typeof a !== typeof b || !!a !== !!b) return false;
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// Atomic, just compare a against b
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if (typeof a === 'string' || typeof a === 'number') return a === b;
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const isObj = is.obj(a);
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if (isObj && objects === 'reference') return a === b;
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const isArr = Array.isArray(a);
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if (isArr && arrays === 'reference') return a === b;
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// Array or Object, shallow compare first to see if it's a match
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if ((isArr || isObj) && a === b) return true;
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// Last resort, go through keys
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let i;
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for (i in a) if (!(i in b)) return false;
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for (i in strict ? b : a) if (a[i] !== b[i]) return false;
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if (i === void 0) {
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if (isArr && a.length === 0 && b.length === 0) return true;
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if (isObj && Object.keys(a).length === 0 && Object.keys(b).length === 0) return true;
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if (a !== b) return false;
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}
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return true;
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},
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};

‎libs/angular-three/src/lib/utils/make.ts‎

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import * as THREE from 'three';
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import type { NgtDpr, NgtGLOptions, NgtIntersection, NgtObjectMap, NgtSize } from '../types';
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const idCache: { [id: string]: boolean | undefined } = {};
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export function makeId(event?: NgtIntersection): string {
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if (event) {
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return (event.eventObject || event.object).uuid + '/' + event.index + event.instanceId;
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}
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const newId = THREE.MathUtils.generateUUID();
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// ensure not already used
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if (!idCache[newId]) {
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idCache[newId] = true;
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return newId;
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}
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return makeId();
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}
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export function makeDpr(dpr: NgtDpr, window?: Window) {
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const target = window?.devicePixelRatio || 1;
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return Array.isArray(dpr) ? Math.min(Math.max(dpr[0], target), dpr[1]) : dpr;
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}
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export function makeDefaultCamera(isOrthographic: boolean, size: NgtSize) {
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if (isOrthographic) return new THREE.OrthographicCamera(0, 0, 0, 0, 0.1, 1000);
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return new THREE.PerspectiveCamera(75, size.width / size.height, 0.1, 1000);
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}
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export function makeDefaultRenderer(glOptions: NgtGLOptions, canvasElement: HTMLCanvasElement): THREE.WebGLRenderer {
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const customRenderer = (
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typeof glOptions === 'function' ? glOptions(canvasElement) : glOptions
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) as THREE.WebGLRenderer;
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if (customRenderer?.render != null) return customRenderer;
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return new THREE.WebGLRenderer({
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powerPreference: 'high-performance',
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canvas: canvasElement,
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antialias: true,
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alpha: true,
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...(glOptions || {}),
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});
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}
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export function makeObjectGraph(object: THREE.Object3D): NgtObjectMap {
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const data: NgtObjectMap = { nodes: {}, materials: {} };
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if (object) {
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object.traverse((child: THREE.Object3D) => {
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if (child.name) data.nodes[child.name] = child;
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if ('material' in child && !data.materials[((child as THREE.Mesh).material as THREE.Material).name]) {
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data.materials[((child as THREE.Mesh).material as THREE.Material).name] = (child as THREE.Mesh)
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.material as THREE.Material;
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}
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});
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}
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return data;
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}

‎libs/angular-three/src/lib/utils/update.ts‎

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import type { NgtAnyRecord, NgtCameraManual, NgtSize } from '../types';
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import { is } from './is';
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export function checkNeedsUpdate(value: unknown) {
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if (value !== null && is.obj(value) && 'needsUpdate' in (value as NgtAnyRecord)) {
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(value as NgtAnyRecord)['needsUpdate'] = true;
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if ('uniformsNeedUpdate' in (value as NgtAnyRecord)) {
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(value as NgtAnyRecord)['uniformsNeedUpdate'] = true;
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}
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}
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}
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export function checkUpdate(value: unknown) {
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if (is.object3D(value)) {
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value.updateMatrix();
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}
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if (is.camera(value)) {
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if (is.perspectiveCamera(value) || is.orthographicCamera(value)) {
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value.updateProjectionMatrix();
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}
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value.updateMatrixWorld();
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}
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checkNeedsUpdate(value);
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}
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export function updateCamera(camera: NgtCameraManual, size: NgtSize) {
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if (!camera.manual) {
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if (is.orthographicCamera(camera)) {
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camera.left = size.width / -2;
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camera.right = size.width / 2;
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camera.top = size.height / 2;
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camera.bottom = size.height / -2;
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} else {
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camera.aspect = size.width / size.height;
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}
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camera.updateProjectionMatrix();
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camera.updateMatrixWorld();
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}
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}

‎libs/angular-three/src/lib/web/events.ts‎

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import { createEvents } from '../events';
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import { NgtRxStore } from '../stores/rx-store';
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import { NgtAnyRecord, NgtDomEvent, NgtEventManager, NgtEvents, NgtState } from '../types';
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const DOM_EVENTS = {
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click: false,
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contextmenu: false,
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dblclick: false,
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wheel: false, // passive wheel errors with OrbitControls
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pointerdown: true,
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pointerup: true,
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pointerleave: true,
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pointermove: true,
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pointercancel: true,
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lostpointercapture: true,
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} as const;
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export const supportedEvents = [
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'click',
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'contextmenu',
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'dblclick',
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'pointerup',
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'pointerdown',
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'pointerover',
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'pointerout',
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'pointerenter',
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'pointerleave',
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'pointermove',
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'pointermissed',
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'pointercancel',
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'wheel',
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] as const;
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export function createPointerEvents(store: NgtRxStore<NgtState>): NgtEventManager<HTMLElement> {
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const { handlePointer } = createEvents(store);
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return {
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priority: 1,
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enabled: true,
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compute: (event: NgtDomEvent, root: NgtRxStore<NgtState>) => {
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const state = root.get();
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// https://github.com/pmndrs/react-three-fiber/pull/782
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// Events trigger outside of canvas when moved, use offsetX/Y by default and allow overrides
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state.pointer.set((event.offsetX / state.size.width) * 2 - 1, -(event.offsetY / state.size.height) * 2 + 1);
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state.raycaster.setFromCamera(state.pointer, state.camera);
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},
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connected: undefined,
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handlers: Object.keys(DOM_EVENTS).reduce((handlers: NgtAnyRecord, supportedEventName) => {
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handlers[supportedEventName] = handlePointer(supportedEventName);
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return handlers;
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}, {}) as NgtEvents,
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connect: (target: HTMLElement) => {
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const state = store.get();
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state.events.disconnect?.();
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state.setEvents({ connected: target });
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Object.entries(state.events.handlers ?? {}).forEach(
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([eventName, eventHandler]: [string, EventListener]) => {
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const passive = DOM_EVENTS[eventName as keyof typeof DOM_EVENTS];
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target.addEventListener(eventName, eventHandler, { passive });
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}
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);
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},
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disconnect: () => {
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const { events, setEvents } = store.get();
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if (events.connected) {
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Object.entries(events.handlers ?? {}).forEach(([eventName, eventHandler]: [string, EventListener]) => {
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if (events.connected instanceof HTMLElement) {
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events.connected.removeEventListener(eventName, eventHandler);
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}
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});
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setEvents({ connected: undefined });
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}
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},
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};
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}

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