Moved JS to file

Author: jcxldn

index.html

@@ -20,47 +20,7 @@
 
         <script src="js/starfield.js"></script>
         <script src="js/spaceinvaders.js"></script>
-        <script>
-
-            //  Create the starfield.
-            var container = document.getElementById('starfield');
-            var starfield = new Starfield();
-            starfield.initialise(container);
-            starfield.start();
-
-            //  Setup the canvas.
-            var canvas = document.getElementById("gameCanvas");
-            canvas.width = 800;
-            canvas.height = 600;
-
-            //  Create the game.
-            var game = new Game();
-
-            //  Initialise it with the game canvas.
-            game.initialise(canvas);
-
-            //  Start the game.
-            game.start();
-
-            //  Listen for keyboard events.
-            window.addEventListener("keydown", function keydown(e) {
-                var keycode = e.which || window.event.keycode;
-                //  Supress further processing of left/right/space/a/d/w/up (37/29/32/65/68/87/38)
-                if(keycode == 37 || keycode == 39 || keycode == 32 || keycode == 65 || keycode == 68 || keycode == 87 || keycode == 38) {
-                    e.preventDefault();
-                }
-                game.keyDown(keycode);
-            });
-            window.addEventListener("keyup", function keydown(e) {
-                var keycode = e.which || window.event.keycode;
-                game.keyUp(keycode);
-            });
-
-            function toggleMute() {
-                game.mute();
-                document.getElementById("muteLink").innerText = game.sounds.mute ? "Unmute" : "Mute";
-            }
-        </script>
+        <script src="js/setup.js"></script>
         <script type="text/javascript">
 
   var _gaq = _gaq || [];

js/setup.js

@@ -0,0 +1,39 @@
+//  Create the starfield.
+var container = document.getElementById('starfield');
+var starfield = new Starfield();
+starfield.initialise(container);
+starfield.start();
+
+//  Setup the canvas.
+var canvas = document.getElementById("gameCanvas");
+canvas.width = 800;
+canvas.height = 600;
+
+//  Create the game.
+var game = new Game();
+
+//  Initialise it with the game canvas.
+game.initialise(canvas);
+
+//  Start the game.
+game.start();
+
+//  Listen for keyboard events.
+window.addEventListener("keydown", function keydown(e) {
+    var keycode = e.which || window.event.keycode;
+    //  Supress further processing of left/right/space/a/d/w/up (37/29/32/65/68/87/38)
+    if(keycode == 37 || keycode == 39 || keycode == 32 || keycode == 65 || keycode == 68 || keycode == 87 || keycode == 38) {
+        e.preventDefault();
+    }
+    game.keyDown(keycode);
+});
+
+window.addEventListener("keyup", function keydown(e) {
+    var keycode = e.which || window.event.keycode;
+    game.keyUp(keycode);
+});
+
+function toggleMute() {
+    game.mute();
+    document.getElementById("muteLink").innerText = game.sounds.mute ? "Unmute" : "Mute";
+}