import { Light } from './Light';

import { DirectionalLightShadow } from './DirectionalLightShadow';

import { Object3D } from '../core/Object3D';

/**

* @author mrdoob / http://mrdoob.com/

* @author alteredq / http://alteredqualia.com/

*/

function DirectionalLight( color, intensity ) {

Light.call( this, color, intensity );

this.type = 'DirectionalLight';

this.position.copy( Object3D.DefaultUp );

this.updateMatrix();

this.target = new Object3D();

this.shadow = new DirectionalLightShadow();

}

DirectionalLight.prototype = Object.assign( Object.create( Light.prototype ), {

constructor: DirectionalLight,

isDirectionalLight: true,

copy: function ( source ) {

Light.prototype.copy.call( this, source );

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

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

return this;

}

} );

export { DirectionalLight };