makeInvulnerable

invulnerable : false,

isCatched : function (player) {
    if (!this.invulnerable && player.shape.intersect(this.shape)) {
        this.move();
        // Делаем неуязвимой на 500 мс.
        this.makeInvulnerable(500);
        return true;
    }
    return false;
},

makeInvulnerable : function (time) {
    this.invulnerable = true;
    (function () {
        this.invulnerable = false;
    }.bind(this).delay(time));
},