import { Matrix4 } from '../math/Matrix4';

import { Vector2 } from '../math/Vector2';

/**

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

*/

function LightShadow( camera ) {

this.camera = camera;

this.bias = 0;

this.radius = 1;

this.mapSize = new Vector2( 512, 512 );

this.map = null;

this.matrix = new Matrix4();

}

Object.assign( LightShadow.prototype, {

copy: function ( source ) {

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

this.bias = source.bias;

this.radius = source.radius;

this.mapSize.copy( source.mapSize );

return this;

},

clone: function () {

return new this.constructor().copy( this );

},

toJSON: function () {

var object = {};

if ( this.bias !== 0 ) object.bias = this.bias;

if ( this.radius !== 1 ) object.radius = this.radius;

if ( this.mapSize.x !== 512 || this.mapSize.y !== 512 ) object.mapSize = this.mapSize.toArray();

object.camera = this.camera.toJSON( false ).object;

delete object.camera.matrix;

return object;

}

} );

export { LightShadow };