backend/libs/three/lights/DirectionalLight.js

import { Light } from './Light.js';
import { DirectionalLightShadow } from './DirectionalLightShadow.js';
import { Object3D } from '../core/Object3D.js';

class DirectionalLight extends Light {
	constructor(color, intensity) {
		super(color, intensity);

		this.type = 'DirectionalLight';

		this.position.copy(Object3D.DefaultUp);
		this.updateMatrix();

		this.target = new Object3D();

		this.shadow = new DirectionalLightShadow();
	}

	dispose() {
		this.shadow.dispose();
	}

	copy(source) {
		super.copy(source);

		this.target = source.target.clone();
		this.shadow = source.shadow.clone();

		return this;
	}
}

DirectionalLight.prototype.isDirectionalLight = true;

export { DirectionalLight };