Update 1.2

A LOT of cleanup and fixes.
(file_ensure extension is useless, I forgot to remove it from project)
Thanks to @YellowAfterlife for helping.

extensions/file_ensure_ext/file_ensure.gml

@@ -0,0 +1,14 @@
+#define file_ensure
+/// @description  (path, ?content)
+/// @param path
+/// @param  ?content
+var s = argument[0];
+if (!file_exists(s)) {
+	var f = file_text_open_write(s);
+	if (f >= 0) {
+		if (argument_count > 1) file_text_write_string(f, argument[1]);
+		file_text_close(f);
+	}
+	return true;
+} else return false;
+

extensions/file_ensure_ext/file_ensure.js

@@ -0,0 +1,7 @@
+///
+function file_ensure_js(path, content) {
+	if (localStorage.getItem(path) == null) {
+		localStorage.setItem(path, content);
+		return 1;
+	} else return 0;
+}

extensions/file_ensure_ext/file_ensure.js.gml

@@ -0,0 +1,7 @@
+#define file_ensure
+/// @description  (path, ?content):
+/// @param path
+/// @param  ?content
+var v = ""; if (argument_count > 1) v = argument[1];
+return file_ensure_js(game_save_id + argument[0], v);
+

objects/oAnimatedBg/Step_0.gml

@@ -5,13 +5,5 @@ switch (room)
 {
 	case rMenu: case rMenuOptions: bg = BGCOLOR1; break;
 	case rGame: if (global.CurrentWorld == 2) bg = BGCOLOR2; else bg = BGCOLOR1; break;
-	case rLevelSelect:
-	{
-		with (oLevelSelector)
-		{
-			if (curWorldSelected == 1) other.bg = BGCOLOR1;
-			else other.bg = BGCOLOR2;
-		}
-	}
 	default: break;
 }

objects/oBall/Create_0.gml

@@ -3,5 +3,5 @@ moving = false;
 hsp = 0;
 vsp = 0;
 activated = true;
-mx = mouse_x;
-my = mouse_y;
+mx = -1;
+my = -1;