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import { Object3D } from '../core/Object3D.js';
import { Color } from '../math/Color.js';

/**
 * Abstract base class for lights - all other light types inherit the
 * properties and methods described here.
 *
 * @abstract
 * @augments Object3D
 */
class Light extends Object3D {

/**
	 * Constructs a new light.
	 *
	 * @param {(number|Color|string)} [color=0xffffff] - The light's color.
	 * @param {number} [intensity=1] - The light's strength/intensity.
	 */
	constructor( color, intensity = 1 ) {

super();

/**
		 * This flag can be used for type testing.
		 *
		 * @type {boolean}
		 * @readonly
		 * @default true
		 */
		this.isLight = true;

this.type = 'Light';

/**
		 * The light's color.
		 *
		 * @type {Color}
		 */
		this.color = new Color( color );

/**
		 * The light's intensity.
		 *
		 * @type {number}
		 * @default 1
		 */
		this.intensity = intensity;

}

/**
	 * Frees the GPU-related resources allocated by this instance. Call this
	 * method whenever this instance is no longer used in your app.
	 */
	dispose() {

// Empty here in base class; some subclasses override.

}

copy( source, recursive ) {

super.copy( source, recursive );

this.color.copy( source.color );
		this.intensity = source.intensity;

return this;

}

toJSON( meta ) {

const data = super.toJSON( meta );

data.object.color = this.color.getHex();
		data.object.intensity = this.intensity;

if ( this.groundColor !== undefined ) data.object.groundColor = this.groundColor.getHex();

if ( this.distance !== undefined ) data.object.distance = this.distance;
		if ( this.angle !== undefined ) data.object.angle = this.angle;
		if ( this.decay !== undefined ) data.object.decay = this.decay;
		if ( this.penumbra !== undefined ) data.object.penumbra = this.penumbra;

if ( this.shadow !== undefined ) data.object.shadow = this.shadow.toJSON();
		if ( this.target !== undefined ) data.object.target = this.target.uuid;

return data;

}

export { Light };

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Name	Size	Perms	Modified	Actions
webgpu DIR	-	drwxr-xr-x	2025-03-28 11:04:38	Edit Download recursive recursive
AmbientLight.js	828 B	lrw-r--r--	2025-03-28 11:04:37	Edit Download recursive recursive
DirectionalLight.js	2.59 KB	lrw-r--r--	2025-03-28 11:04:38	Edit Download recursive recursive
DirectionalLightShadow.js	609 B	lrw-r--r--	2025-03-28 11:04:38	Edit Download recursive recursive
HemisphereLight.js	1.35 KB	lrw-r--r--	2025-03-28 11:04:38	Edit Download recursive recursive
Light.js	1.94 KB	lrw-r--r--	2025-03-28 11:04:38	Edit Download recursive recursive
LightProbe.js	2.24 KB	lrw-r--r--	2025-03-28 11:04:38	Edit Download recursive recursive
LightShadow.js	7.23 KB	lrw-r--r--	2025-03-28 11:04:38	Edit Download recursive recursive
PointLight.js	2.76 KB	lrw-r--r--	2025-03-28 11:04:39	Edit Download recursive recursive
PointLightShadow.js	2.99 KB	lrw-r--r--	2025-03-28 11:04:39	Edit Download recursive recursive
RectAreaLight.js	2.55 KB	lrw-r--r--	2025-03-28 11:04:39	Edit Download recursive recursive
SpotLight.js	4.46 KB	lrw-r--r--	2025-03-28 11:04:39	Edit Download recursive recursive
SpotLightShadow.js	1.34 KB	lrw-r--r--	2025-03-28 11:04:39	Edit Download recursive recursive

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