////////////Template code
//////////// Chunk 2 

//Add a fence collision

 else  if(([nameA containsString:@"Fence"] && [nameB containsString:@"Ball"]) || ([nameA containsString:@"Ball"] && [nameB containsString:@"Fence"])){
        
        
        SKNode *ball;
        if([nameA containsString:@"Ball"]){
            ball = contact.bodyA.node;
        }
        else{
            ball = contact.bodyB.node;
        }
        /* You missed the ball - Game Over */
        if(contact.contactPoint.y < 10){
            SKAction *actionAudioExplode = [SKAction playSoundFileNamed:@"sound_explode.m4a" waitForCompletion:NO];
            
            NSString *particleExplosionPath =
            [[NSBundle mainBundle] pathForResource:@"ParticleBall" ofType:@"sks"];
            
            SKEmitterNode *particleExplosion =
            [NSKeyedUnarchiver unarchiveObjectWithFile:particleExplosionPath];
            
            particleExplosion.position = CGPointMake(0,0);
            
            SKAction *actionParticleExplosion = [SKAction runBlock:^{
                [ball addChild:particleExplosion];
            }];
            
            SKAction *actionRemoveBall = [SKAction removeFromParent];
            
            SKAction *switchScene = [SKAction runBlock:^{
                SKView * skView = (SKView *)self.view;
                [self removeFromParent];
                
                // Create and configure the scene.
                MyGameOver *scene = [MyGameOver nodeWithFileNamed:@"GameOver"];
                scene.scaleMode = SKSceneScaleModeAspectFill;
                
                // Present the scene.
                [skView presentScene:scene];
            }];
            
            SKAction *actionExplodeSequence = [SKAction sequence:@[actionParticleExplosion,actionAudioExplode,[SKAction fadeOutWithDuration:0.25],actionRemoveBall,switchScene]];
            
            [ball runAction:actionExplodeSequence];
        }
        else{
            SKAction *fenceAudio = [SKAction playSoundFileNamed:@"sound_wall.m4a" waitForCompletion:NO];
            [self runAction:fenceAudio];
        }