diff --git a/function.c b/function.c
index b26e16e..5c3d3d9 100644
--- a/function.c
+++ b/function.c
@@ -38,4 +38,58 @@ unsigned short int **creatArea2D(const unsigned int N)
   return tab2d;
 }
 
+int CanIGoUp(unsigned short int **tab,int size,int posX,int posY)
+{
+    if(tab[posX][posY+1]!=1)
+    {
+        if(tab[posX][posY+1]==2)
+        {
+            return 2;
+        }  
+        return 1;
+    }  
+    return 0;
 
+}
+
+int CanIGoDown(unsigned short int **tab,int size,int posX,int posY)
+{
+    if(tab[posX][posY-1]!=1)
+    {
+        if(tab[posX][posY-1]==2)
+        {
+            return 2;
+        } 
+        return 1;
+    }  
+    return 0;
+
+}
+
+int CanIGoLeft(unsigned short int **tab,int size,int posX,int posY)
+{
+    if(tab[posX-1][posY]!=1)
+    {
+        if(tab[posX-1][posY]==2)
+        {
+            return 2;
+        } 
+        return 1;
+    }  
+    return 0;
+
+}
+
+int CanIGoRight(unsigned short int **tab,int size,int posX,int posY)
+{
+    if(tab[posX+1][posY]!=1)
+    {
+        if(tab[posX+1][posY]==2)
+        {
+            return 2;
+        } 
+        return 1;
+    }  
+    return 0;
+
+}
\ No newline at end of file