diff --git a/bin/back b/bin/back
index 15f3a0b..de0a695 100755
Binary files a/bin/back and b/bin/back differ
diff --git a/obj/main.o b/obj/main.o
index 339dd80..9dca130 100644
Binary files a/obj/main.o and b/obj/main.o differ
diff --git a/obj/menus.o b/obj/menus.o
index b35fbe1..259d811 100644
Binary files a/obj/menus.o and b/obj/menus.o differ
diff --git a/src/main.c b/src/main.c
index a15460f..3b8f799 100644
--- a/src/main.c
+++ b/src/main.c
@@ -29,7 +29,7 @@ double jPress = false;
 double gPress = false;
 double rPress = false;
 
-void reset_everything(int count, char* folder) {
+void reset_everything(GLFWwindow *window, int count, char* folder) {
     hashtbl_free(visited);
     free_proj();
     free_interf();
@@ -39,7 +39,7 @@ void reset_everything(int count, char* folder) {
     init_hashtbl();
     init_ent_generator(10);
     init_proj();
-    init_interf();
+    init_interf(window);
     parse_rooms(count, folder);
 }
 
@@ -174,7 +174,7 @@ void processInput(GLFWwindow *window, float dtime) {
     if(glfwGetKey(window, GLFW_KEY_R) == GLFW_PRESS) {
         if(!isMenuOpen() && !rPress) {
             rPress = true;
-            reset_everything(7, "templates/");
+            reset_everything(window, 7, "templates/");
         }   
     }/*else {
         rPress = false;
@@ -252,7 +252,7 @@ int main_alt() {
     init_hashtbl();
     init_ent_generator(10);
     init_proj();
-    init_interf();
+    init_interf(window);
     build_all_menus();
     parse_rooms(7, "templates/");
 
@@ -436,6 +436,7 @@ int main_alt() {
         delta = slp_time+((float)finish - (float)origin)/CLOCKS_PER_SEC;
         deltad = slp_time+((double)finish - (double)origin)/CLOCKS_PER_SEC;
         origin = clock();
+        incr = 0.0f;
     }
 
     hashtbl_free(visited);
diff --git a/src/menus.c b/src/menus.c
index b3f840d..bf68d46 100644
--- a/src/menus.c
+++ b/src/menus.c
@@ -20,16 +20,19 @@
 #include "menus.h"
 
 float rectDefault[18] ;
+float incr;
 
 static mat4 scale, slide;
 void initMenus() {
-    rectDefault[0]  = -0.5f; rectDefault[1]  = -0.5f; rectDefault[2]  = -1.0f;
-    rectDefault[3]  = -0.5f; rectDefault[4]  =  0.5f; rectDefault[5]  = -1.0f;
-    rectDefault[6]  =  0.5f; rectDefault[7]  =  0.5f; rectDefault[8]  = -1.0f;
+    rectDefault[0]  = -0.5f; rectDefault[1]  = -0.5f; rectDefault[2]  = -0.99f;
+    rectDefault[3]  = -0.5f; rectDefault[4]  =  0.5f; rectDefault[5]  = -0.99f;
+    rectDefault[6]  =  0.5f; rectDefault[7]  =  0.5f; rectDefault[8]  = -0.99f;
 
-    rectDefault[9]  = -0.5f; rectDefault[10] = -0.5f; rectDefault[11] = -1.0f;
-    rectDefault[12] =  0.5f; rectDefault[13] =  0.5f; rectDefault[14] = -1.0f;
-    rectDefault[15] =  0.5f; rectDefault[16] = -0.5f; rectDefault[17] = -1.0f;
+    rectDefault[9]  = -0.5f; rectDefault[10] = -0.5f; rectDefault[11] = -0.99f;
+    rectDefault[12] =  0.5f; rectDefault[13] =  0.5f; rectDefault[14] = -0.99f;
+    rectDefault[15] =  0.5f; rectDefault[16] = -0.5f; rectDefault[17] = -0.99f;
+
+    incr = 0.0f;
 }
 
 void gl_drawRect(unsigned int fragShader, float x, float y, float w, float h, int r, int g, int b) {
@@ -38,7 +41,8 @@ void gl_drawRect(unsigned int fragShader, float x, float y, float w, float h, in
 
     scale[0][0] = w;
     scale[1][1] = h;
-    scale[2][2] = 0.5f;
+    scale[2][2] = 0.5f+incr;
+    incr += 0.001f;
 
     glm_translate(slide, (vec3){x+w/2, y+h/2, 0.0f});
 
@@ -279,12 +283,14 @@ int get_string_len(char* s) {
 
 // 7-segment display
 // y is the middle of the text
-// side can be -1 (aligned right) or 1 (aligned left)
+// side can be -1 (aligned right), 0 (center) or 1 (aligned left)
 void gl_drawString(unsigned int fragShader, char* str, float x, float y, float size, int r, int g, int b, float width, int side) {
     float curx = x;
     int len = get_string_len(str);
     if(side == 1) {
-        curx += ((len)*(size+4*width));
+        curx += ((len-1)*(size+4*width));
+    } else if(side == 0) {
+        curx += ((len-1)*(size+4*width))/2.0f;
     }
     char c = str[len-1];
     int i = len-1;
@@ -358,32 +364,27 @@ static int intListId;
 
 static int* current_interface;
 
+int mn_get_color(int r, int g, int b) {
+    if(r+g+b <= 384) {
+        return 255;
+    } else {
+        return 0;
+    }
+}
+
 void display_button(int but_id, unsigned int fragShader) {
     if(but_id < 0 || but_id > bListId) {
         fprintf(stderr, "ERROR : attempting to display a non-existing button (%d)\n", but_id);
     } else {
-        float size = minf(buttonList[but_id].h/2.1f, (buttonList[but_id].w)/get_string_len(buttonList[but_id].text));
+        float size = minf(buttonList[but_id].h/2.3f, (buttonList[but_id].w)/(get_string_len(buttonList[but_id].text)));
+        int retcol = mn_get_color(buttonList[but_id].red, buttonList[but_id].green, buttonList[but_id].blue);
         gl_drawRect(fragShader, buttonList[but_id].x, buttonList[but_id].y, buttonList[but_id].w, buttonList[but_id].h, buttonList[but_id].red, buttonList[but_id].green, buttonList[but_id].blue);
-        gl_drawString(fragShader, buttonList[but_id].text, buttonList[but_id].x+(size+size/10.0f)/2.0f, buttonList[but_id].y+buttonList[but_id].h/2.0f, size, 255-buttonList[but_id].red, 255-buttonList[but_id].green, 255-buttonList[but_id].blue, size/10.0f, 1);
+        gl_drawString(fragShader, buttonList[but_id].text, buttonList[but_id].x+buttonList[but_id].w/2.0f, buttonList[but_id].y+buttonList[but_id].h/2.0f, 0.7f*size, retcol, retcol, retcol, 0.7f*size/10.0f, 0);
 
     }
 }
 
-void display_interface(int int_id, unsigned int fragShader) {
-    if(int_id < 0 || int_id > intListId) {
-        fprintf(stderr, "ERROR : attempting to display a non-existing interface (%d)\n", int_id);
-    } else {
-        float size = minf(interfaceList[int_id].h/2.1f, (interfaceList[int_id].w)/get_string_len(interfaceList[int_id].title));
-        gl_drawRect(fragShader, interfaceList[int_id].x, interfaceList[int_id].y, interfaceList[int_id].w, interfaceList[int_id].h, interfaceList[int_id].red, interfaceList[int_id].green, interfaceList[int_id].blue);
-        gl_drawString(fragShader, interfaceList[int_id].title, interfaceList[int_id].x+(size+size/10.0f)/2.0f, interfaceList[int_id].y+interfaceList[int_id].h/2.0f, size, 255-interfaceList[int_id].red, 255-interfaceList[int_id].green, 255-interfaceList[int_id].blue, size/10.0f, 1);
-    
-        for(int k = 0; k < interfaceList[int_id].nButtons; k++) {
-            display_button(interfaceList[int_id].buttons[k], fragShader);
-        }
-    }
-}
-
-bool is_button_pressed(int but_id, float mx, float my) {
+bool is_hovering_button(int but_id, float mx, float my) {
     if(but_id < 0 || but_id > bListId) {
         fprintf(stderr, "ERROR : attempting to update a non-existing button (%d)\n", but_id);
         return false;
@@ -392,45 +393,65 @@ bool is_button_pressed(int but_id, float mx, float my) {
     }
 }
 
-void menu_actions(GLFWwindow *window, int int_id) {
-    printf("%d\n", glfwGetKey(window, GLFW_MOUSE_BUTTON_LEFT));
+void display_interface(int int_id, unsigned int fragShader, float mx, float my) {
     if(int_id < 0 || int_id > intListId) {
-        fprintf(stderr, "ERROR : attempting to update a non-existing interface (%d)\n", int_id);
-    } else if(
-        glfwGetKey(window, GLFW_MOUSE_BUTTON_LEFT) == GLFW_PRESS
-    ) {
-        double mx = 0.0;
-        double my = 0.0;
-        glfwGetCursorPos(window, &mx, &my);
-        mx = 2.0*mx/1500.0 -1.0;
-        my = 2.0*my/1000.0 -1.0;
-        //printf("EE %lf, %lf\n", mx, my);
-        //fflush(stdout);
+        fprintf(stderr, "ERROR : attempting to display a non-existing interface (%d)\n", int_id);
+    } else {
+        float size = minf(interfaceList[int_id].h/2.1f, (interfaceList[int_id].w)/(get_string_len(interfaceList[int_id].title)));
+        int retcol = mn_get_color(interfaceList[int_id].red, interfaceList[int_id].green, interfaceList[int_id].blue);
+        gl_drawRect(fragShader, interfaceList[int_id].x, interfaceList[int_id].y, interfaceList[int_id].w, interfaceList[int_id].h, interfaceList[int_id].red, interfaceList[int_id].green, interfaceList[int_id].blue);
+        gl_drawString(fragShader, interfaceList[int_id].title, interfaceList[int_id].x+interfaceList[int_id].w/2.0f, interfaceList[int_id].y+interfaceList[int_id].h/2.0f, 0.7f*size, retcol, retcol, retcol, 0.7f*size/10.0f, 0);
+    
         for(int k = 0; k < interfaceList[int_id].nButtons; k++) {
-            if(is_button_pressed(interfaceList[int_id].buttons[k], (float)mx, (float)my)) {
-                if(buttonList[interfaceList[int_id].buttons[k]].onClick != NULL) {
-                    (*buttonList[interfaceList[int_id].buttons[k]].onClick)(buttonList[interfaceList[int_id].buttons[k]].arg);
-                }
-                switch (buttonList[interfaceList[int_id].buttons[k]].type) {
-                    case WARP:
-                        *current_interface = *buttonList[interfaceList[int_id].buttons[k]].metadata;
-                        break;
+            if(is_hovering_button(interfaceList[int_id].buttons[k], mx, my)) {
+                gl_drawRect(fragShader, buttonList[interfaceList[int_id].buttons[k]].x-0.015f, buttonList[interfaceList[int_id].buttons[k]].y-0.015f, buttonList[interfaceList[int_id].buttons[k]].w+0.03f, buttonList[interfaceList[int_id].buttons[k]].h+0.03f, 255, 255, 255);
+            }
+            display_button(interfaceList[int_id].buttons[k], fragShader);
+        }
+    }
+}
 
-                    case NONE:
-                        break;
+bool some_bool = true;
+void menu_actions(GLFWwindow *window, int button, int action, int mods) {
+    if(*current_interface < 0 || *current_interface > intListId) {
+        //fprintf(stderr, "ERROR : attempting to update a non-existing interface (%d)\n", *current_interface);
+    } else{
+        if(some_bool) {
+            some_bool = false;
+            double mx = 0.0;
+            double my = 0.0;
+            glfwGetCursorPos(window, &mx, &my);
+            mx = 2.0*mx/1500.0 -1.0;
+            my = 1.0 -2.0*my/1000.0;
+            for(int k = 0; k < interfaceList[*current_interface].nButtons; k++) {
+                if(is_hovering_button(interfaceList[*current_interface].buttons[k], (float)mx, (float)my)) {
+                    if(buttonList[interfaceList[*current_interface].buttons[k]].onClick != NULL) {
+                        (*buttonList[interfaceList[*current_interface].buttons[k]].onClick)(buttonList[interfaceList[*current_interface].buttons[k]].arg);
+                    }
+                    switch (buttonList[interfaceList[*current_interface].buttons[k]].type) {
+                        case WARP:
+                            *current_interface = *((int*)buttonList[interfaceList[*current_interface].buttons[k]].metadata);
+                            break;
 
-                    case SET_VAR:
-                        /* TODO */
-                        break;
+                        case NONE:
+                            break;
 
-                    case EXIT:
-                        *current_interface = -1;
-                        break;
-                    
-                    default:
-                        break;
+                        case SET_VAR:
+                            /* TODO */
+                            break;
+
+                        case EXIT:
+                            *current_interface = -1;
+                            break;
+                        
+                        default:
+                            break;
+                    }
+                    break;
                 }
             }
+        } else {
+            some_bool = true;
         }
     }
 }
@@ -440,8 +461,13 @@ bool isInMenu(GLFWwindow *win, unsigned int fragShader) {
         return false;
     } else {
         //printf("displaying %d\n", *current_interface);
-        display_interface(*current_interface, fragShader);
-        menu_actions(win, *current_interface);
+        double mx = 0.0;
+        double my = 0.0;
+        glfwGetCursorPos(win, &mx, &my);
+        mx = 2.0*mx/1500.0 -1.0;
+        my = 1.0 -2.0*my/1000.0;
+        display_interface(*current_interface, fragShader, (float)mx, (float)my);
+        //menu_actions(win, *current_interface);
         return true;
     }
 }
@@ -450,7 +476,7 @@ bool isMenuOpen() {
     return (*current_interface != -1);
 }
 
-void init_interf() {
+void init_interf(GLFWwindow *window) {
     buttonList = malloc(sizeof(onoff_button)*MAX_BUTTON_SIZE);
     for(int k = 0; k < MAX_BUTTON_SIZE; k++) {
         buttonList[k].id = -1;
@@ -463,12 +489,13 @@ void init_interf() {
     intListId = 0;
     current_interface = malloc(sizeof(int));
     *current_interface = -1;
+    glfwSetMouseButtonCallback(window, menu_actions);
 }
 
 // returns the ID of the new button (-1 if error)
 // actn can be within {NONE, WARP, SET_VAR, EXIT}
 // if actn is WARP or SET_VAR then val shall not be NULL
-int button_create_onoff(char* text, int red, int green, int blue, float x, float y, float w, float h, button_action actn, int* val, void (*onClick)(void*), void* arg) {
+int button_create_onoff(char* text, int red, int green, int blue, float x, float y, float w, float h, button_action actn, void* val, void_type cast, void (*onClick)(void*), void* arg) {
     if(bListId < MAX_BUTTON_SIZE) {
 
         buttonList[bListId].id = bListId;
@@ -484,6 +511,7 @@ int button_create_onoff(char* text, int red, int green, int blue, float x, float
 
         buttonList[bListId].type = actn;
         buttonList[bListId].metadata = val;
+        buttonList[bListId].cast = cast;
 
         buttonList[bListId].onClick = onClick;
         buttonList[bListId].arg = arg;
@@ -569,13 +597,29 @@ void interface_set(int interface_id) {
 
 */
 // build and link everything here
+int zero = 0;
+int one = 1;
+int two = 2;
+int three = 3;
 void build_all_menus() {
-    int welcome_start_b = button_create_onoff("start", 32, 255, 255, -0.25f, -0.25f, 0.5f, 0.5f, EXIT, NULL, NULL, NULL);
-    int welcome_start_i = interface_create("Welcome", 128, 128, 128, -0.4f, 0.7f, 0.8f, 0.25f);
-    //printf("%d %d\n", welcome_start_i, welcome_start_b);
-    interface_link_button(welcome_start_i, welcome_start_b);
+    int welcome_start_go = button_create_onoff("start",       0, 255, 255, -0.25f,  0.05f,  0.5f, 0.3f, EXIT, NULL, INT, NULL, NULL);
+    int welcome_start_settings = button_create_onoff("config", 96, 96, 96, -0.25f, -0.35f, 0.5f, 0.3f, WARP, &one, INT, NULL, NULL);
+    int welcome_start_i = interface_create("Welcome",       255, 255, 255, -0.4f,    0.7f,  0.8f, 0.25f);
+
+    interface_link_button(welcome_start_i, welcome_start_go);
+    interface_link_button(welcome_start_i, welcome_start_settings);
+
+    
+    int settings_speed = button_create_onoff("speed",             0, 192, 192, -0.25f,  0.2f,  0.5f, 0.3f, SET_VAR, &speed, DOUBLE, NULL, NULL);
+    int settings_sensitivity = button_create_onoff("sensibility", 192, 192, 0, -0.25f, -0.15f, 0.5f, 0.3f, SET_VAR, &sensitivity, DOUBLE, NULL, NULL);
+    int settings_exit = button_create_onoff("back",               192, 64, 64, -0.25f, -0.5f,  0.5f, 0.3f, WARP, &zero, INT, NULL, NULL);
+    int settings_i = interface_create("Settings",               128, 128, 128, -0.4f ,  0.7f,  0.8f, 0.25f);
+
+    interface_link_button(settings_i, settings_speed);
+    interface_link_button(settings_i, settings_sensitivity);
+    interface_link_button(settings_i, settings_exit);
+    
     interface_set(welcome_start_i);
-    //printf("------------- %d\n", *current_interface);
 }
 
 void free_interf() {
diff --git a/src/menus.h b/src/menus.h
index 24d1b26..b270116 100644
--- a/src/menus.h
+++ b/src/menus.h
@@ -1,7 +1,8 @@
 #ifndef MENUS_H
 #define MENUS_H
 
-typedef enum button_action {NONE, WARP, SET_VAR, EXIT} button_action ;
+typedef enum button_action {NONE, WARP, SET_VAR, EXIT} button_action;
+typedef enum void_type {INT, FLOAT, DOUBLE} void_type;
 
 typedef struct onoff_button {
     int id;
@@ -14,7 +15,8 @@ typedef struct onoff_button {
     button_action type;
     
     // the value to change (if SET_VAR) or the destination interface (if WARP)
-    int* metadata;
+    void* metadata;
+    void_type cast;
 
     // is called upon clicking button
     // this function is executed before metadata is used
@@ -43,12 +45,12 @@ void gl_drawInteger(unsigned int fragShader, int n, float x, float y, float size
 void gl_drawString(unsigned int fragShader, char* str, float x, float y, float size, int r, int g, int b, float width, int side);
 void gl_printf(unsigned int fragShader, float x, float y, float size, float width, int r, int g, int b, const char* str, ...);
 
-void init_interf();
+void init_interf(GLFWwindow *window);
 
 bool isInMenu(GLFWwindow *win, unsigned int fragShader);
 bool isMenuOpen();
 
-int button_create_onoff(char* text, int red, int green, int blue, float x, float y, float w, float h, button_action actn, int* val, void (*onClick)(void*), void* arg);
+int button_create_onoff(char* text, int red, int green, int blue, float x, float y, float w, float h, button_action actn, void* val, void_type cast, void (*onClick)(void*), void* arg);
 int interface_create(char* title, int red, int green, int blue, float x, float y, float w, float h);
 void interface_link_button(int interface_id, int button_id);
 void interface_unlink_button(int interface_id, int button_id);
diff --git a/src/structure.h b/src/structure.h
index 6c219af..3a23e55 100644
--- a/src/structure.h
+++ b/src/structure.h
@@ -162,4 +162,6 @@ extern int njumps;
 extern unsigned int fffff;
 extern int gamemode;
 
+extern float incr;
+
 #endif
\ No newline at end of file