<!-- NEW5 — TEST 5 · THE BEND AT THE HEART · part 239 -->
fault 1
		 */
		this.zoom = 1;

		/**
		 * The camera's near plane. The valid range is greater than `0`
		 * and less than the current value of {@link PerspectiveCamera#far}.
		 *
		 * Note that, unlike for the {@link OrthographicCamera}, `0` is <em>not</em> a
		 * valid value for a perspective camera's near plane.
		 *
		 * @type {number}
		 * @default 0.1
		 */
		this.near = near;

		/**
		 * The camera's far plane. Must be greater than the
		 * current value of {@link PerspectiveCamera#near}.
		 *
		 * @type {number}
		 * @default 2000
		 */
		this.far = far;

		/**
		 * Object distance used for stereoscopy and depth-of-field effects. This
		 * parameter does not influence the projection matrix unless a
		 * {@link StereoCamera} is being used.
		 *
		 * @type {number}
		 * @default 10
		 */
		this.focus = 10;

		/**
		 * The aspect ratio, usually the canvas width / canvas height.
		 *
		 * @type {number}
		 * @default 1
		 */
		this.aspect = aspect;

		/**
		 * Represents the frustum window specification. This property should not be edited
		 * directly but via {@link PerspectiveCamera#setViewOffset} and {@link PerspectiveCamera#clearViewOffset}.
		 *
		 * @type {?Object}
		 * @default null
		 */
		this.view = null;

		/**
		 * Film size used for the larger axis. Default is `35` (millimeters). This
		 * parameter does not influence the projection matrix unless {@link PerspectiveCamera#filmOffset}
		 * is set to a nonzero value.
		 *
		 * @type {number}
		 * @default 35
		 */
		this.filmGauge = 35;

		/**
		 * Horizontal off-center offset in the same unit as {@link PerspectiveCamera#filmGauge}.
		 *
		 * @type {number}
		 * @default 0
		 */
		this.filmOffset = 0;

		this.updateProjectionMatrix();

	}

	copy( source, recursive ) {

		super.copy( source, recursive );

		this.fov = source.fov;
		this.zoom = source.zoom;

		this.near = source.near;
		this.far = source.far;
		this.focus = source.focus;

		this.aspect = source.aspect;
		this.view = source.view === null ? null : Object.assign( {}, source.view );

		this.filmGauge = source.filmGauge;
		this.filmOffset = source.filmOffset;

		return this;

	}

	/**
	 * Sets the FOV by focal length in respect to the current {@link PerspectiveCamera#filmGauge}.
	 *
	 * The default film gauge is 35, so that the focal length can be specified for
	 * a 35mm (full frame) camera.
	 *
	 * @param {number} focalLength - Values for focal length and film gauge must have the same unit.
	 */
	setFocalLength( focalLength ) {

		/** see {@link http://www.bobatkins.com/photography/technical/field_of_view.html} */
		const vExtentSlope = 0.5 * this.getFilmHeight() / focalLength;

		this.fov = RAD2DEG * 2 * Math.atan( vExtentSlope );
		this.updateProjectionMatrix();

	}

	/**
	 * Returns the focal length from the current {@link PerspectiveCamera#fov} and
	 * {@link PerspectiveCamera#filmGauge}.
	 *
	 * @return {number} The computed focal length.
	 */
	getFocalLength() {

		const vExtentSlope = Math.tan( DEG2RAD * 0.5 * this.fov );

		return 0.5 * this.getFilmHeight() / vExtentSlope;

	}

	/**
	 * Returns the current vertical field of view angle in degrees considering {@link PerspectiveCamera#zoom}.
	 *
	 * @return {number} The effective FOV.
	 */
	getEffectiveFOV() {

		return RAD2DEG * 2 * Math.atan(
			Math.tan( DEG2RAD * 0.5 * this.fov ) / this.zoom );

	}

	/**
	 * Returns the width of the image on the film. If {@link PerspectiveCamera#aspect} is greater than or
	 * equal to one (landscape format), the result equals {@link PerspectiveCamera#filmGauge}.
	 *
	 * @return {number} The film width.
	 */
	getFilmWidth() {

		// film not completely covered in portrait format (aspect < 1)
		return this.filmGauge * Math.min( this.aspect, 1 );

	}

	/**
	 * Returns the height of the image on the film. If {@link PerspectiveCamera#aspect} is greater than or
	 * equal to one (landscape format), the result equals {@link PerspectiveCamera#filmGauge}.
	 *
	 * @return {number} The film width.
	 */
	getFilmHeight() {

		// film not completely covered in landscape format (aspect > 1)
		return this.filmGauge / Math.max( this.aspect, 1 );

	}

	/**
	 * Computes the 2D bounds of the camera's viewable rectangle at a given distance along the viewing direction.
	 * Sets `minTarget` and `maxTarget` to the coordinates of the lower-left and upper-right corners of the view rectangle.
	 *
	 * @param {number} distance - The viewing distance.
	 * @param {Vector2} minTarget - The lower-left corner of the view rectangle is written into this vector.
	 * @param {Vector2} maxTarget - The upper-right corner of the view rectangle is written into this vector.
	 */
	getViewBounds( distance, minTarget, maxTarget ) {

		_v3$1.set( -1, -1, 0.5 ).applyMatrix4( this.projectionMatrixInverse );

		minTarget.set( _v3$1.x, _v3$1.y ).multiplyScalar( - distance / _v3$1.z );

		_v3$1.set( 1, 1, 0.5 ).applyMatrix4( this.projectionMatrixInverse );

		maxTarget.set( _v3$1.x, _