Using localStorage to keep the high score

src/scene.js

@@ -1,9 +1,9 @@
 class Scene extends Screen {
+
     constructor(canvas, player) {
         super(canvas);
         this.player = player;
         this.currentHeight = 0;
-        this.maxHeight = 0;
         this.initialize();
 
         this.addEventListener('touchstart', (event) => {
@@ -11,6 +11,14 @@ class Scene extends Screen {
         });
     }
 
+    get maxHeight() {
+        return window.localStorage.getItem("maxHeight");
+    }
+
+    set maxHeight(value) {
+        window.localStorage.setItem("maxHeight", value);
+    }
+
     initialize() {
         super.initialize();
         this.player.reset();
@@ -20,6 +28,10 @@ class Scene extends Screen {
         this.currentHeight = 0;
         this.started = false;
 
+        if (this.maxHeight === undefined) {
+            this.maxHeigth = 0;
+        }
+
         // Generate random initial platforms
         for (let i = 0.25; i <= 2; i += 0.33) {
             let platform = new Platform(Math.random(), i, 0.2);