import { LightShadow } from './LightShadow.js';
import { MathUtils } from '../math/MathUtils.js';
import { PerspectiveCamera } from '../cameras/PerspectiveCamera.js';
/**
* @author mrdoob / http://mrdoob.com/
*/
function SpotLightShadow() {
LightShadow.call( this, new PerspectiveCamera( 50, 1, 0.5, 500 ) );
}
SpotLightShadow.prototype = Object.assign( Object.create( LightShadow.prototype ), {
constructor: SpotLightShadow,
isSpotLightShadow: true,
updateMatrices: function ( light ) {
var camera = this.camera;
var fov = MathUtils.RAD2DEG * 2 * light.angle;
var aspect = this.mapSize.width / this.mapSize.height;
var far = light.distance || camera.far;
if ( fov !== camera.fov || aspect !== camera.aspect || far !== camera.far ) {
camera.fov = fov;
camera.aspect = aspect;
camera.far = far;
camera.updateProjectionMatrix();
}
LightShadow.prototype.updateMatrices.call( this, light );
}
} );
export { SpotLightShadow };