added new game confirmation

Author: honzi

repo.js

@@ -82,15 +82,15 @@ function repo_escape(){
     if(!entity_entities['negative-0']
       && !entity_entities['positive-0']
       && !core_menu_open){
-        canvas_setmode();
+        start();
     }
 }
 
 function repo_init(){
     core_repo_init({
       'events': {
         'start': {
-          'onclick': canvas_setmode,
+          'onclick': start,
         },
       },
       'globals': {
@@ -178,3 +178,11 @@ function repo_init(){
       },
     });
 }
+
+function start(){
+    if(score !== 0
+      && !globalThis.confirm('Start new game?')){
+        return;
+    }
+    canvas_setmode();
+}