public void processFire(Bullet bullet) throws Exception {
this.bullet = bullet;
while ((bullet.getX() > -15 && bullet.getX() < battleField.getBF_WIDTH())
&& (bullet.getY() > -15 && bullet.getY() < battleField.getBF_HEIGHT())) {
if (bullet.getDirection() == Direction.UP) {
bullet.updateY(-step);
} else if (bullet.getDirection() == Direction.DOWN) {
bullet.updateY(step);
} else if (bullet.getDirection() == Direction.LEFT) {
bullet.updateX(-step);
} else {
bullet.updateX(step);
}
if (processInterception() == true) {
bullet.destroy();
}
repaintFire();
}
}