updateMatrices( light ) {

		const camera = this.camera;

		const fov = RAD2DEG * 2 * light.angle * this.focus;
		const aspect = ( this.mapSize.width / this.mapSize.height ) * this.aspect;
		const 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();

		}

		super.updateMatrices( light );

	}
Texture aspect ratio.

@type {number}
@default 1