protected void moveDown() {
        if (this.posY < (BattleBotsGUI.instance.yDim-1) && !((this.posY+1) == this.enemyPosY && this.posX == this.enemyPosX) && !(BattleBotsGUI.instance.obstacles[this.posX][this.posY+1])) {
            this.posY++;
        }
    }