diff --git a/lib/barriers.dart b/lib/barriers.dart
index 10c9308..ff5f1b8 100644
--- a/lib/barriers.dart
+++ b/lib/barriers.dart
@@ -5,6 +5,7 @@ class MyBarrier extends StatelessWidget {
   const MyBarrier({super.key, this.size});
 
   @override
+  //successfully implemented the barrier code
   Widget build(BuildContext context) {
     return Container(
       width: 100,
@@ -15,7 +16,7 @@ class MyBarrier extends StatelessWidget {
           color: const Color.fromARGB(34, 76, 175, 79),
           width: 2,
         ),
-        borderRadius: BorderRadius.all(Radius.circular(10)),
+        borderRadius: const BorderRadius.all(Radius.circular(10)),
       ),
     );
   }
diff --git a/lib/homepage.dart b/lib/homepage.dart
index f0113cf..dc8c777 100644
--- a/lib/homepage.dart
+++ b/lib/homepage.dart
@@ -1,5 +1,4 @@
 import 'dart:async';
-
 import 'package:flappy_bird/barriers.dart';
 import 'package:flappy_bird/bird.dart';
 import 'package:flutter/material.dart';
@@ -20,7 +19,7 @@ class _HomepageState extends State<Homepage> {
   double barrierx2 = barrierx1 + 1.5;
   Timer? gameTimer;
   int score = 0;
-  // ignore: unused_element
+
   void _showDialog() {
     showDialog(
       context: context,
@@ -28,15 +27,18 @@ class _HomepageState extends State<Homepage> {
       builder: (context) {
         return AlertDialog(
           backgroundColor: Colors.brown,
-          title: Text('Game Over', style: TextStyle(color: Colors.white)),
+          title: const Text('Game Over', style: TextStyle(color: Colors.white)),
           content: Text(
             'Your bird has fallen!\nScore: $score',
-            style: TextStyle(color: Colors.white),
+            style: const TextStyle(color: Colors.white),
           ),
           actions: [
             TextButton(
               onPressed: resetGame,
-              child: Text('Restart', style: TextStyle(color: Colors.white)),
+              child: const Text(
+                'Restart',
+                style: TextStyle(color: Colors.white),
+              ),
             ),
           ],
         );
@@ -48,14 +50,18 @@ class _HomepageState extends State<Homepage> {
     setState(() {
       isGameStarted = true;
     });
-    gameTimer = Timer.periodic(Duration(milliseconds: 50), (timer) {
+
+    gameTimer = Timer.periodic(const Duration(milliseconds: 50), (timer) {
       setState(() {
         time += 0.05;
         height = -4.9 * time * time + 2.8 * time;
         birdY = initialPos - height;
+
+        // Move barriers
         barrierx1 -= 0.05;
         barrierx2 -= 0.05;
 
+        // Reposition barriers and increase score
         if (barrierx1 < -1.5) {
           barrierx1 = 1.5;
           score++;
@@ -64,7 +70,9 @@ class _HomepageState extends State<Homepage> {
           barrierx2 = 1.5;
           score++;
         }
+        // Score incremented by 1 for each barrier passed
 
+        // Check if bird is dead
         if (birdisDead()) {
           gameTimer?.cancel();
           _showDialog();
@@ -83,7 +91,8 @@ class _HomepageState extends State<Homepage> {
       barrierx1 = 1;
       barrierx2 = barrierx1 + 1.5;
       score = 0;
-    });
+    }); // reset the game variables to their initial values
+
     gameTimer?.cancel();
     Navigator.of(context).pop();
   }
@@ -94,7 +103,36 @@ class _HomepageState extends State<Homepage> {
   }
 
   bool birdisDead() {
-    return birdY > 1 || birdY < -1;
+    // Check if bird hits top or bottom of screen
+    if (birdY > 1 || birdY < -1) {
+      return true;
+    }
+
+    // Check collision with first barrier
+    if (barrierx1 >= -0.15 && barrierx1 <= 0.15) {
+      // Bottom barrier (size 50) - small barrier
+      if (birdY > 0.6) {
+        return true;
+      }
+      // Top barrier (size 200) - large barrier
+      if (birdY < -0.2) {
+        return true;
+      }
+    }
+
+    // Check collision with second barrier
+    if (barrierx2 >= -0.15 && barrierx2 <= 0.15) {
+      // Bottom barrier (size 150) - large barrier
+      if (birdY > 0.0) {
+        return true;
+      }
+      // Top barrier (size 50) - small barrier
+      if (birdY < -0.6) {
+        return true;
+      }
+    }
+
+    return false;
   }
 
   @override
@@ -113,18 +151,18 @@ class _HomepageState extends State<Homepage> {
                     children: [
                       MyBird(birdY: birdY),
                       Container(
-                        alignment: Alignment(0, -0.5),
+                        alignment: const Alignment(0, -0.5),
                         child: Text(
                           isGameStarted ? '' : 'T A P  T O  P L A Y',
-                          style: TextStyle(color: Colors.white),
+                          style: const TextStyle(color: Colors.white),
                         ),
                       ),
                       if (isGameStarted)
                         Container(
-                          alignment: Alignment(-0.8, -0.8),
+                          alignment: const Alignment(-0.8, -0.8),
                           child: Text(
                             'Score: $score',
-                            style: TextStyle(
+                            style: const TextStyle(
                               color: Colors.white,
                               fontSize: 20,
                               fontWeight: FontWeight.bold,
@@ -132,24 +170,24 @@ class _HomepageState extends State<Homepage> {
                           ),
                         ),
                       AnimatedContainer(
-                        duration: Duration(milliseconds: 0),
+                        duration: const Duration(milliseconds: 0),
                         alignment: Alignment(barrierx1, 1),
-                        child: MyBarrier(size: 50.0),
+                        child: const MyBarrier(size: 50.0),
                       ),
                       AnimatedContainer(
-                        duration: Duration(milliseconds: 0),
+                        duration: const Duration(milliseconds: 0),
                         alignment: Alignment(barrierx1, -1),
-                        child: MyBarrier(size: 200.0),
+                        child: const MyBarrier(size: 200.0),
                       ),
                       AnimatedContainer(
-                        duration: Duration(milliseconds: 0),
+                        duration: const Duration(milliseconds: 0),
                         alignment: Alignment(barrierx2, 1),
-                        child: MyBarrier(size: 150.0),
+                        child: const MyBarrier(size: 150.0),
                       ),
                       AnimatedContainer(
-                        duration: Duration(milliseconds: 0),
+                        duration: const Duration(milliseconds: 0),
                         alignment: Alignment(barrierx2, -1),
-                        child: MyBarrier(size: 50.0),
+                        child: const MyBarrier(size: 50.0),
                       ),
                     ],
                   ),