Plane$1 = function(normal, distance) {
    /**
     * Normal of the plane
     * @type {clay.Vector3}
     */
    this.normal = normal || new Vector3(0, 1, 0);

    /**
     * Constant of the plane equation, used as distance to the origin
     * @type {number}
     */
    this.distance = distance || 0;
}
@constructor
@alias clay.Plane
@param {clay.Vector3} [normal]
@param {number} [distance]