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@@ -1,23 +1,31 @@ |
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public class Life implements ILife { |
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private final int x_value = 10; |
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private final int y_value = 10; |
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public enum CellValue {Dead, Alive} |
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private final CellValue[][] cells = new CellValue[x_value][y_value]; |
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public static void main(String[] args) { |
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Life l = new Life(new String[] { " ", |
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" ", |
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" *** ", |
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" ", |
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" " }); |
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" " } |
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); |
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l.print(); |
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l = (Life) l.nextGeneration(); |
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l.print(); |
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} |
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public Life() { |
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nukeAll(); |
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} |
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public Life(String[] setup) { |
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this(); |
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for (int y = 0; y < setup.length; y++) |
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for (int x = 0; x < setup[y].length(); x++) |
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for (int y = 0; y < y_value; y ++) |
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for (int x = 0; x < x_value; x ++) |
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if (setup[y].charAt(x) != ' ') |
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setAlive(x, y); |
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} |
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@@ -26,30 +34,94 @@ public class Life implements ILife { |
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@Override |
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public void nukeAll() { |
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// TODO Auto-generated method stub |
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for( int y = 0; y < y_value; y ++){ |
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for( int x = 0; x < x_value; x ++){ |
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setDead(x,y); |
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} |
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} |
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} |
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@Override |
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public void setAlive(int x, int y) { |
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// TODO Auto-generated method stub |
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cells[x][y] = CellValue.Alive; |
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} |
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@Override |
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public void setDead(int x, int y) { |
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// TODO Auto-generated method stub |
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cells[x][y] = CellValue.Dead; |
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} |
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@Override |
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public boolean isAlive(int x, int y) { |
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// TODO Auto-generated method stub |
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return false; |
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return cells[x][y] == CellValue.Alive; |
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} |
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@Override |
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public boolean isDead(int x, int y) { |
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return cells[x][y] == CellValue.Dead; |
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} |
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@Override |
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public ILife nextGeneration() { |
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// TODO Auto-generated method stub |
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return null; |
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Life newGeneration = new Life(); |
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for (int y = 0; y < y_value; y ++) { |
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for(int x = 0; x < x_value; x ++) { |
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int neighborsAlive = calculateNeighborsAlive(x,y); |
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if( neighborsAlive == 3) { |
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newGeneration.setAlive(x,y); |
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} |
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if( neighborsAlive < 2){ |
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newGeneration.setDead(x,y); |
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} |
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if( isAlive(x,y) && (neighborsAlive == 2 || neighborsAlive == 3)){ |
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newGeneration.setAlive(x,y); |
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} |
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if( isAlive(x,y) && neighborsAlive > 3) { |
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newGeneration.setDead(x,y); |
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} |
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} |
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} |
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return newGeneration; |
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} |
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public void print() { |
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for( int x= 0; x < x_value; x ++) { |
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for( int y = 0; y < y_value; y ++) { |
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if( cells[x][y] == CellValue.Alive) { |
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System.out.print("*"); |
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}else{ |
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System.out.print(" "); |
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} |
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} |
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System.out.print("\n"); |
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} |
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} |
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public int calculateNeighborsAlive( int x, int y) { |
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int min_X = x - 1; |
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int max_X = x + 1; |
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int min_Y = y - 1; |
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int max_Y = y + 1; |
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if( min_X < 0) min_X = 0; |
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if( max_X >= x_value) max_X = x_value - 1; |
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if( min_Y < 0) min_Y = 0; |
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if( max_Y >= x_value) max_Y = y_value - 1; |
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int sum = 0; |
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for( int dx = min_X; dx <= max_X; dx++){ |
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for( int dy = min_Y; dy <= max_Y; dy++){ |
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if( dx != x || dy != y) { |
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if( cells [dx][dy] == CellValue.Alive ){ |
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sum++; |
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} |
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} |
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} |
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} |
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return sum; |
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} |
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} |