public int fireDown() throws Exception {
String str = getQuadrantXY(tank.getX(), tank.getY());
int tankV = Integer.valueOf(str.substring(0, 1));
int tankH = Integer.valueOf(str.substring(2, str.length()));
tank.turn(Direction.DOWN);
for (int idx = tankV; idx < battleField.getBattleField().length; idx++) {
for (int j = tankH; j < tankH + 1; j++) {
if (battleField.scanQuadrant(idx, j) == "B") {
tank.fire();
}
}
}
return tankV;
}
private boolean processInterception() {
String str = getQuadrantXY(bullet.getX(), bullet.getY());
int i = Integer.valueOf(str.substring(0, 1));
int q = Integer.valueOf(str.substring(2, str.length()));
if (i >= battleField.getBattleField().length - battleField.getBattleField().length
&& i < battleField.getBattleField().length
&& q >= battleField.getBattleField().length - battleField.getBattleField().length
&& q < battleField.getBattleField().length
&& battleField.scanQuadrant(i, q) == "B") {
battleField.updateQuadrant(i, q, " ");
return true;
} else return false;
}