Zwischen-Commit 02 (nextGeneration+ isAlive fertig)

src/Life.java

@@ -46,8 +46,7 @@ public class Life implements ILife {
 
   @Override
   public boolean isAlive(int x, int y) {
-    // TODO Auto-generated method stub
-    return false;
+    return grid[x][y];
   }
 
   @Override
@@ -57,9 +56,40 @@ public class Life implements ILife {
 
     for(int y = 0; y < GRIDSIZE; y++){
       for(int x = 0; x < GRIDSIZE; x++){
-        
+        int neighborCount = countNeigbours(x, y);
+        if(isAlive(x, y)){
+            if(neighborCount == 2 || neighborCount == 3){
+              nextLife.setAlive(x, y);
+            }
+        }else{
+            if(neighborCount == 3){
+              nextLife.setAlive(x, y);
+            }
+        }
       }
     }
     return null;
   }
+
+  private int countNeigbours(int x, int y){
+    int count = 0;
+    if(isAlive(x-1, y-1)){
+        count ++;
+    }else if(isAlive(x-1, y)){
+      count ++;
+    }else if(isAlive(x-1, y+1)){
+      count++;
+    }else if(isAlive(x, y-1)){
+      count++;
+    }else if(isAlive(x, y+1)){
+      count++;
+    }else if(isAlive(x+1, y-1)){
+      count++;
+    }else if(isAlive(x+1, y)){
+      count++;
+    }else if(isAlive(x+1, y+1)){
+      count++;
+    }
+    return count;
+  }
 }

test/LifeTest.java

@@ -22,6 +22,7 @@ public class LifeTest {
 
     @Test
     public void destroyLonelyCell() {
+        
     }