class tail

src/arenas/tron/Coords.php

@@ -1,7 +1,9 @@
 <?php
 class Coords{
+
   public $x;
   public $y;
+
   public function __construct(int $x = 0, int $y = 0) {
     $this->x = $x;
     $this->y = $y;
@@ -10,6 +12,7 @@ class Coords{
   public function __toString(){
     return $this->x.",".$this->y;
   }
+  
   public function addDirection(Direction $dir){
     return new Coords(
       $this->x + $dir->deltaX,

src/arenas/tron/TronPlayer.php

@@ -69,11 +69,13 @@ class TronPlayer{
     $this->tail[] = $targetCell;
     return $targetCell;
   }
+  
   public function loose(){
     $this->state = false;
     $this->tail = array();
     return false;
   }
+  
   public function __construct($id,$initialX,$initialY,$initialDirection){
     $lnBdd = conn_bdd();
     $rs = mysqli_query($lnBdd,

src/arenas/tron/tail.php

@@ -0,0 +1,27 @@
+<?php 
+class Tail{
+  
+  public $tail;
+  
+    
+  public function __toString(){
+    $str = "";
+    foreach(Tail::$tail as $coord){
+      $str .= "[".$coord."],"; 
+    }
+    return $str;
+  }
+  
+  public function __make(Coords $InitialCoords){
+    $this->tail = array($InitialCoords);
+  }
+  
+  public function grow(Direction $dir){
+    $last = Tail::getLastTailCoord();
+    Tail::tail[] = $last->addDirection($dir);
+  }
+  
+  public function getLastTailCoord(){
+    return end(Tail::$tail);
+  }
+}