diff --git a/a3/world.c b/a3/world.c
deleted file mode 100644
index a45c109..0000000
--- a/a3/world.c
+++ /dev/null
@@ -1,198 +0,0 @@
-#include "world.h"
-#include <assert.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
-
-int TIMEOUT;
-
-void abort_game(const char* message){
-    endwin();
-    puts(message);
-    exit(1);
-}
-
-void check_bounds(const char* source,int x, int y){
-    char msg[200];
-    if (x < 0 || x >= COLS){
-        sprintf(msg,"%s:: width %d is out of bounds (0,%d)",source,x,COLS);
-        abort_game(msg);
-    }
-    if (y < 0 || y >= LINES){
-        sprintf(msg,"%s:: height %d is out of bounds (0,%d)",source,y,LINES);
-        abort_game(msg);
-    }
-}
-
-void clear_screen(){
-    // Clear screen
-    mvaddch(0,0,' ');
-    int screenchars = LINES*COLS;
-    for (int j = 1; j < screenchars;j++ ){
-        addch(' ');
-    }
-}
-
-void game_speed(int value){
-    if (value < 0){
-        abort_game("world_seed:: cannot be negative\n");
-    }
-    TIMEOUT =value;
-}
-
-void set_message(const char* message,int x,int y) {
-    int l = strlen(message);
-    for (int i = 0; i < l; i++){
-        check_bounds("set_message",x+i,y);
-        set_cell(message[i],x+i,y);
-    }
-}
-
-void assert_message(int event,const char* message){
-    if (event == 0){
-        abort_game(message);
-    }
-}
-
-
-void set_cell(int character,int x,int y) {
-    check_bounds("set_cell",x,y);
-    set_color_cell(character,x,y,COLOR_WHITE,COLOR_BLACK);
-}
-
-void set_color_cell(int character,int x,int y,short front_color,short back_color){
-    check_bounds("set_color_cell",x,y);
-    if (has_colors()){
-        int pair = COLOR_COUNT * front_color + back_color; 
-        attron(COLOR_PAIR(pair));
-        mvaddch(y,x,character);
-        attroff(COLOR_PAIR(pair));
-    }
-    else{
-        mvaddch(y,x,character);
-    }
-}
-
-int start_world(void* (*init_game)(),int (*world_event)(struct event* event,void* game),void (*destroy_game)(void*)){
-    srand(time(NULL));
-    int r = 1;
-    // Speed global variable
-    TIMEOUT = 100;
-    if (initscr() == NULL){
-        // TODO Which Error?
-        puts("Curses Error.");
-        return -1;
-    }
-    noecho(); // Nevypisuj vstup na obrazovku
-    cbreak(); // Zabudni starý vstup
-    nodelay(stdscr,TRUE); // Nečakaj na stlačenie
-    keypad(stdscr,TRUE); // Aktivuje šípky
-    curs_set(FALSE); // Neviditeľný kurzor
-    /* Get all the mouse events */
-    mousemask(ALL_MOUSE_EVENTS, NULL);
-    MEVENT mouse_event;
-    if (has_colors()){ // Zistenie či terminál podporuje farby
-        start_color();
-        for (int i = 0; i < COLOR_COUNT;i++){
-            for (int j = 0; j < COLOR_COUNT;j++){
-                init_pair(i * COLOR_COUNT + j, i,j);
-            }
-        }
-    }
-    else {
-        puts("No colors!\n");
-    }
-    void* game = NULL;
-    if (init_game != NULL){
-         game = init_game();
-         assert_message(game != NULL,"init_game:: should return non null pointer");
-    }
-    timeout(TIMEOUT);
-    // Initial step
-    struct event event;
-    memset(&event,0,sizeof(struct event));
-    event.height = LINES;
-    event.width = COLS;
-    event.type = EVENT_START;
-    clock_t start_time = clock();
-    clock_t last_timeout = start_time;
-    clock_t next_timeout = last_timeout + TIMEOUT;
-    event.time_ms = start_time;
-    // Start event
-    r = world_event(&event,game);
-    refresh();
-    while (!r) {
-        memset(&event,0,sizeof(struct event));
-        event.height = LINES;
-        event.width = COLS;
-        event.key = getch();
-        // No key was pressed
-        if (event.key == ERR){
-            event.type = EVENT_TIMEOUT;
-            last_timeout = clock();
-            next_timeout = last_timeout + TIMEOUT;
-        }
-        // Mouse event
-        else if (event.key == KEY_MOUSE ){
-            event.type = EVENT_MOUSE;
-            if(getmouse(&mouse_event) == OK){
-                event.mouse_x = mouse_event.x;
-                event.mouse_y = mouse_event.y;
-                if(mouse_event.bstate & BUTTON1_PRESSED){
-                    event.mouse_left = 1;
-                }
-                if(mouse_event.bstate & BUTTON2_PRESSED){
-                    event.mouse_middle = 1;
-                }
-                if(mouse_event.bstate & BUTTON3_PRESSED){
-                    event.mouse_right = 1;
-                }
-            }
-        }
-        else if (event.key == KEY_RESIZE) {
-            event.type = EVENT_RESIZE;
-        }
-        else{
-            event.type = EVENT_KEY;
-            if (event.key == 27){
-                int k = getch();
-                if (k == -1){
-                    // Esc Was pressed
-                    event.type = EVENT_ESC;
-                }
-                else {
-                    // Alt was pressed
-                    event.key = k;
-                    event.alt_key = 1;
-                }
-            }
-        }
-        // Draw new world
-        event.time_ms = clock();
-        r = world_event(&event,game);
-        refresh();
-        event.time_ms = clock();
-        // set new timeout
-        int nt = next_timeout - event.time_ms;
-        //printf("%d\n",nt);
-        if (nt > 0){
-            timeout(nt);
-        }
-        else {
-            timeout(TIMEOUT);
-            next_timeout = event.time_ms + TIMEOUT;
-        }
-    }
-    memset(&event,0,sizeof(struct event));
-    event.height = LINES;
-    event.width = COLS;
-    event.type = EVENT_END;
-    event.time_ms = clock();
-    world_event(&event,game);
-    if (destroy_game != NULL){
-        destroy_game(game);
-    }
-    endwin();
-    return r;
-};