/**
 * Abstract class for eye overlay and eye classes.
 * @class AbstractEye
 * @extends jibo.face.AbstractLayer
 * @memberof jibo.face
 * @param {Boolean} cache `true` to cache textures.
 */

    /**
     * The eye mesh.
     * @name jibo.face.AbstractEye#eyeMesh
     * @type {jibo.face.EyeMesh}
     */

    /**
     * Default eye texture when nothing is set.
     * @method jibo.face.AbstractEye#init
     * @param {PIXI.Texture} texture The default texture to use
     */

    /**
     * Destroy and don't use after this.
     * @method jibo.face.AbstractEye#destroy
     */

    /**
     * Set current eye texture.
     * @method jibo.face.AbstractEye#setTexture
     * @protected
     * @param {PIXI.Texture} texture Texture to set
     */