some fixes

countBattles.txt

@@ -1 +1 @@
-1559
+1579

src/arenas/tron/Trail.php

@@ -34,20 +34,21 @@ class Trail {
     $this->trail->push($value);
   }
   public function __toString(){
-    $arr = "";
+    return json_encode($this->getTrailAsArray()); 
-    foreach($this->trail as $value) {
+  }
-     $arr[] = $value; 
+  public function getTrailAsArray(){
+    $arr = array();
+    foreach($this->trail as $coord) {
+     $arr[] = array($coord->x,$coord->y);
     }
-    return json_encode($arr);
+    return $arr;
-  
-  
   }
   public function contains($searchedValue) {
     foreach($this->trail as $value) {
-      if($value == $searchedValue) return TRUE;
+      if($value == $searchedValue) return true;
     }
 
-    return FALSE;
+    return false;
   }
 
   public static function kind($var) {

src/arenas/tron/TronGame.php

@@ -73,9 +73,8 @@ class TronGame
      //return all trails for draw svg
     $trailsArr = array();
     foreach($this->bots as $bot){
-      $trailsArr[] = $bot->trail;
+      $trailsArr[] = $bot->trail->getTrailAsArray();
     }
-    //echo json_encode($trailsArr);
     return json_encode($trailsArr);
   }
   public function new_lap(){
@@ -105,13 +104,13 @@ class TronGame
     }
     
     $responses = $this->get_multi_IAS_Responses($urls,$paramsToSend);
-
     print_r($responses);
-    
       //grow bots'tails
     for ($botCount = 0; $botCount < $nbeBots; $botCount++){
       if  ($this->bots[$botCount]->isAlive){
+      
 	$dir = Direction::make($responses[$botCount]['responseArr']['play']);
+	
 	$lastsCells[$botCount] = $this->bots[$botCount]->grow($dir);
       }
     }