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- import java.util.Arrays;
-
- public class Life implements ILife {
-
-
- Life nextworld;
- String[] board;
-
-
- public static void main(String[] args) {
- Life l = new Life(new String[]{" ",
- " ",
- " *** ",
- " ",
- " "});
- l = (Life) l.nextGeneration();
-
- }
-
- public Life() {
- nukeAll();
- }
-
- public Life(String[] setup) {
- this();
- for (int y = 0; y < setup.length; y++)
- for (int x = 0; x < setup[y].length(); x++)
- if (setup[y].charAt(x) != ' ')
- setAlive(x, y);
- }
-
-
- @Override
- public void nukeAll() {
- // TODO Auto-generated method stub
- board = new String[]{" ",
- " ",
- " ",
- " ",
- " "};
- }
-
- @Override
- public void setAlive(int x, int y) {
- // TODO Auto-generated method stub
- String line = "";
- for (int i = 0; i < board[y].length(); i++) {
- if (i == x)
- line += '*';
- else
- line += board[y].charAt(i);
- }
- board[y] = line;
-
-
- }
-
- @Override
- public void setDead(int x, int y) {
- // TODO Auto-generated method stub
- String line = "";
- for (int i = 0; i < board[y].length(); i++) {
- if (i == x)
- line += ' ';
- else
- line += board[y].charAt(i);
- }
- board[y] = line;
-
-
- }
-
- @Override
- public boolean isAlive(int x, int y) {
- // TODO Auto-generated method stub
- if (board[y].charAt(x) == '*')
- return true;
- else
- return false;
- }
-
- @Override
- public ILife nextGeneration() {
- // TODO Auto-generated method stub
- Life nextWorld = new Life();
- for (int y = 0; y < board.length; y++) {
- for (int x = 0; x < board[y].length(); x++) {
- int neighbourCells = CountNeighbourCells(x, y);
- if (isAlive(x, y))
- if (neighbourCells == 3 || neighbourCells == 2)
- nextWorld.setAlive(x, y);
- if (neighbourCells < 2 || neighbourCells > 3)
- nextWorld.setDead(x, y);
- if (!isAlive(x, y))
- if (neighbourCells == 3)
- nextWorld.setAlive(x, y);
- else
- nextWorld.setDead(x, y);
- }
- }
- nextWorld.drawWorld();
- return nextWorld;
- }
-
- public int CountNeighbourCells(int x, int y) {
- int pre_y = y - 1;
- int pre_x = x - 1;
- int after_y = y + 1;
- int after_x = x + 1;
- int counter = 0;
- //UpperSide
- if (pre_y >= 0) {
- for (int i = pre_x; i <= after_x; i++) {
- if (i >= 0 && i < board[pre_y].length()&& isAlive(i,pre_y)){
- counter++;
- }
- }
- }
- //DownSide
- if (after_y < board.length) {
- for (int i = pre_x; i <= after_x; i++) {
- if (i >= 0 && i < board[after_y].length()&&isAlive(i,after_y)) {
- counter++;
- }
- }
- }
- //leftSide
- if (pre_x >= 0&& isAlive(pre_x,y)) {
- counter++;
- }
-
- //rightSide
- if (after_x < board[y].length()&&isAlive(after_x,y)) {
- counter++;
- }
- return counter;
- }
-
-
- public void drawWorld() {
- for (int i = 0; i < board.length; i++) {
- System.out.println(Arrays.toString(new String[]{
- board[i]
- }));
-
- }
- }
- }
-
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