@polygonjs/polygonjs/src/core/geometry/modules/sdf/SDFPoint.ts

node-based WebGL 3D engine https://polygonjs.com

import {Vector3, BufferAttribute} from 'three';
import {ObjectGeometryMap, CoreObjectType, ObjectContent} from '../../ObjectContent';
import {CorePoint} from '../../entities/point/CorePoint';
import {PointAttributesDict} from '../../entities/point/Common';
import {SDFObject} from './SDFObject';

export class SDFPoint extends CorePoint<CoreObjectType.SDF> {
	protected _geometry?: ObjectGeometryMap[CoreObjectType.SDF];
	protected override _object: SDFObject;
	constructor(object: SDFObject, index: number) {
		super(object, index);
		this._object = object;
		this._updateGeometry();
	}
	override object() {
		return this._object;
	}
	override setIndex(index: number, object?: SDFObject) {
		this._index = index;
		if (object) {
			this._object = object;
			this._updateGeometry();
		}
		return this;
	}
	private _updateGeometry() {
		const geometry = this._object.geometry;
		if (geometry) {
			this._geometry = geometry;
		}
	}
	geometry() {
		return this._geometry;
	}
	static override addAttribute<T extends CoreObjectType>(
		object: ObjectContent<T>,
		attribName: string,
		attribute: BufferAttribute
	) {}
	static override attributes<T extends CoreObjectType>(object: ObjectContent<T>): PointAttributesDict | undefined {
		return undefined;
	}
	static override entitiesCount<T extends CoreObjectType>(object: ObjectContent<T>) {
		return 0;
	}
	override position(target: Vector3): Vector3 {
		return target;
	}
	override normal(target: Vector3): Vector3 {
		return target;
	}

	//
	//
	//
	//
	//
	static override userDataAttribs<T extends CoreObjectType>(object: ObjectContent<T>) {
		return {};
	}
	static override setIndexedAttribute<T extends CoreObjectType>(
		object: ObjectContent<T>,
		attribName: string,
		values: string[],
		indices: number[]
	) {}
	static override attribValueIndex<T extends CoreObjectType>(
		object: ObjectContent<T>,
		index: number,
		attribName: string
	): number {
		return -1;
	}
	//
	//
	//
	//
	//
}