diff --git a/GAME/include/personnage.h b/GAME/include/personnage.h
index 039e89b32dd4b185d8af6fded9a980c4bc130c4b..beb1532c3fb40d4cbca42ed06fee0b08b19a6108 100644
--- a/GAME/include/personnage.h
+++ b/GAME/include/personnage.h
@@ -41,14 +41,14 @@ typedef struct {
 }Personnage;
 
 void init_pers(Personnage * character, int x, int y, int length, int width, int speed, char * path);
-void calculpointspers(Personnage * character);
+void calcul_points_pers(Personnage * character);
 
 //Collisions Functions
 
-int testposition(Personnage * pers, Prof * prof, DS * exam, MAP * map); // return 0 if nothing, 1 if wall, 2 if exam, 3 if prof, 4 if bounds
-int testboundscol(Personnage * pers);
-int testprofcol(Personnage * pers, Prof * prof);
-int testmapcol(Personnage * pers,  MAP * map, DS * exam);
-int testpointwithprof(int x, int y, Prof *prof);
+int test_position(Personnage * pers, Prof * prof, DS * exam, MAP * map); // return 0 if nothing, 1 if wall, 2 if exam, 3 if prof, 4 if bounds
+int test_bounds_col(Personnage * pers);
+int test_prof_col(Personnage * pers, Prof * prof);
+int test_map_col(Personnage * pers,  MAP * map, DS * exam);
+int test_point_with_prof(int x, int y, Prof *prof);
 
 #endif /*GAME_INSA_PROJECT_PERSONNAGE_H*/
diff --git a/GAME/src/DS.c b/GAME/src/DS.c
index 098c735ff469d1b9cce7949e2f1c12f82e5ef130..feb89e9f2feb048012fbdd4cdbc3cf0014940ef1 100644
--- a/GAME/src/DS.c
+++ b/GAME/src/DS.c
@@ -22,12 +22,11 @@
 
 /*!
  * \fn int init_DS(DS * exam, int door_DS, char * path)
- * \brief This function initialize a DS : position (the door number) and the path to the DS's image.
+ * \brief This function initializes a DS : position (the door number) and the path to the DS's image.
  *
  * \param [in] exam a DS pointer
  * \param [in] door_DS a door number corresponding to the DS location
  * \param [in] path the DS image path
- * \return 1 if the initialization went right.
  */
 
 void init_DS(DS * exam, int door_DS, char * path){
diff --git a/GAME/src/map.c b/GAME/src/map.c
index 22b2d284727b454d0e42498a219759c25c50ad4e..2ddee1afbae275a433f163047a1ec52d458415c7 100644
--- a/GAME/src/map.c
+++ b/GAME/src/map.c
@@ -25,7 +25,6 @@
  *
  * \param [in] map the map pointer
  * \param [in] path the map image path
- * \return 0 if the initialization went right.
  */
 
 void initmap(MAP *map,char *func_path, char *vis_path){
@@ -46,7 +45,7 @@ void initmap(MAP *map,char *func_path, char *vis_path){
  * \brief This function gets the matrix's length and width and creates a functional matrix from the bmp matrix.
  *
  * \param [in] map the map pointer
- * \return NULL if there is an error when opening the map, fonc otherwise.
+ * \return NULL if there is an error when opening the map, fonc value otherwise.
  */
 
 int **maptomatrix(MAP *map){
diff --git a/GAME/src/personnage.c b/GAME/src/personnage.c
index 037c719c3411c8c63ea28d8e1545c18653771ba7..292bcd7023af9407d3df22bfa34351d77d4753a6 100644
--- a/GAME/src/personnage.c
+++ b/GAME/src/personnage.c
@@ -26,7 +26,7 @@
 
 /*!
  * \fn int init_pers(Personnage * character, int x, int y, int length, int width, int speed, char * path)
- * \brief This function initialize the character : position of the character's top left corner (x,y), size (length, width), speed and also the path to the character's image.
+ * \brief This function initializes the character : position of the character's top left corner (x,y), size (length, width), speed and also the path to the character's image.
  *
  * \param [in] character a pointer on the character
  * \param [in] x the character's abscissa
@@ -35,7 +35,6 @@
  * \param [in] width the character's width
  * \param [in] speed the character's speed
  * \param [in] path the path to the character's image
- * \return 1 if the initialization went right.
  */
 
 void init_pers(Personnage * character, int x, int y, int length, int width, int speed, char * path){
@@ -48,7 +47,14 @@ void init_pers(Personnage * character, int x, int y, int length, int width, int
     strcpy(character->image_pers, path);
 }
 
-void calculpointspers(Personnage * character){
+/*!
+ * \fn void calcul_points_pers(Personnage * character)
+ * \brief This function calculates the position of the 3 other character's corners.
+ *
+ * \param [in] character a pointer on the character
+ */
+
+void calcul_points_pers(Personnage * character){
 	//calculate 3 others points of rectangle
 	character->x_hr = character->x_pers + character->larg_pers ;
 	character->y_hr = character->y_pers;
@@ -60,10 +66,21 @@ void calculpointspers(Personnage * character){
 
 //Collisions Functions
 
-int testposition(Personnage * pers, Prof * prof, DS * exam, MAP * map){
+/*!
+ * \fn int test_position(Personnage * pers, Prof * prof, DS * exam, MAP * map)
+ * \brief This function calculates if the there is a collision between the character and anything else.
+ *
+ * \param [in] pers a pointer on the character
+ * \param [in] prof a pointer on the teacher
+ * \param [in] exam a pointer on the exam
+ * \param [in] map a pointer on the map
+ * \return 0 if there is nothing, 1 if there's a wall, 2 if it's an exam, 3 if it's a teacher, 4 if the character is trying to to out the window.
+ */
+
+int test_position(Personnage * pers, Prof * prof, DS * exam, MAP * map){
     //test variables
-    int testbounds = testboundscol(pers); ;
-    int testprof = testprofcol(pers,prof);
+    int testbounds = test_bounds_col(pers); ;
+    int testprof = test_prof_col(pers,prof);
 
     //test bounds collision
 
@@ -75,18 +92,34 @@ int testposition(Personnage * pers, Prof * prof, DS * exam, MAP * map){
 
     //return the map test position
 
-    return testmapcol(pers,map,exam); // = 0 if nothing , 1 if wall, 2 if exam
+    return test_map_col(pers,map,exam); // = 0 if nothing , 1 if wall, 2 if exam
 
 }
+/*!
+ * \fn int test_bounds_col(Personnage * pers)
+ * \brief This function calculates if the character is trying to go out the window.
+ *
+ * \param [in] pers a pointer on the character
+ * \return 1 if the character is trying to go out the window, 0 otherwise.
+ */
 
-int testboundscol(Personnage * pers){
+int test_bounds_col(Personnage * pers){
     if((pers->x_pers <= 0) || (pers->y_pers <= 0) || (pers->x_pers >= WINDOW_WIDTH - pers->larg_pers) || (pers->y_pers >= WINDOW_HEIGHT - pers->long_pers)) {
         return 1;
     }
     return 0;
 }
 
-int testprofcol(Personnage * pers, Prof * prof){
+/*!
+ * \fn int test_prof_col(Personnage * pers, Prof * prof)
+ * \brief This function calculates if the character is in collision with the teacher.
+ *
+ * \param [in] pers a pointer on the character
+ * \param [in] prof a pointer on the teacher
+ * \return 1 if there is a collision, 0 otherwise.
+ */
+
+int test_prof_col(Personnage * pers, Prof * prof){
 
 	int testhl;
 	int testhr;
@@ -114,8 +147,17 @@ int testprofcol(Personnage * pers, Prof * prof){
     return 0;
 }
 
+/*!
+ * \fn int test_point_with_prof(int x, int y, Prof *prof)
+ * \brief This function tests if one of the character's corner is in collision with the teacher.
+ *
+ * \param [in] x one of the character's abscissa (one of the 4 corners)
+ * \param [in] y the ordinate corresponding to the same corner
+ * \param [in] prof a pointer on the teacher
+ * \return 1 if there is a collision, 0 otherwise.
+ */
 
-int testpointwithprof(int x, int y, Prof *prof){
+int test_point_with_prof(int x, int y, Prof *prof){
 	if (( x > prof->x_prof) && (x<prof->x_prof+prof->larg_prof)) {
         if (( y > prof->y_prof) && (y < prof->y_prof + prof->long_prof)) {
             return 1;
@@ -124,13 +166,21 @@ int testpointwithprof(int x, int y, Prof *prof){
 	return 0;
 }
 
+/*!
+ * \fn int test_map_col(Personnage * pers,  MAP * map, DS * exam )
+ * \brief This function tests if the character is in collision with the teacher.
+ *
+ * \param [in] pers a pointer on the character
+ * \param [in] map a pointer on the map
+ * \param [in] exam a pointer on an exam
+ * \return 2 if it's an exam, 1 if there's a wall, 0 otherwise.
+ */
 
-
-int testmapcol(Personnage * pers,  MAP * map, DS * exam ){
-	int testhl = testpointwithmap(pers->x_pers,pers->y_pers,map,exam);
-	int testhr = testpointwithmap(pers->x_hr,pers->y_hr,map,exam) ;
-	int testll = testpointwithmap(pers->x_ll,pers->y_ll,map,exam) ;
-	int testlr = testpointwithmap(pers->x_lr,pers->y_lr,map,exam) ;
+int test_map_col(Personnage * pers,  MAP * map, DS * exam ){
+	int testhl = test_point_with_map(pers->x_pers,pers->y_pers,map,exam);
+	int testhr = test_point_with_map(pers->x_hr,pers->y_hr,map,exam) ;
+	int testll = test_point_with_map(pers->x_ll,pers->y_ll,map,exam) ;
+	int testlr = test_point_with_map(pers->x_lr,pers->y_lr,map,exam) ;
 	
 	if(testhl==2 || testhr==2 || testll==2 || testlr==2) {
 		return 2;
diff --git a/GAME/src/prof.c b/GAME/src/prof.c
index d133996b8278074dae8abd5a212592342cc6d1d3..7b5527b45a3166adb4f089e3d9e07307a5d892b9 100644
--- a/GAME/src/prof.c
+++ b/GAME/src/prof.c
@@ -25,7 +25,7 @@
 
 /*!
  * \fn int init_prof(Prof * prof, int x, int y, int length, int width, int speed, char * path)
- * \brief This function initialize the Teacher : position of the Teacher's top left corner (x,y), size (length, width), speed and also the path to the Teacher's image.
+ * \brief This function initializes the Teacher : position of the Teacher's top left corner (x,y), size (length, width), speed and also the path to the Teacher's image.
  *
  * \param [in] Teacher a pointer on the character
  * \param [in] x the Teacher's abscissa
@@ -34,7 +34,6 @@
  * \param [in] width the Teacher's width
  * \param [in] speed the Teacher's speed
  * \param [in] path the path to the Teacher's image
- * \return 1 if the initialization went right.
  */
 
 void init_prof(Prof * prof, int x, int y, int length, int width, int speed, char * path){