Update README with implemented features

README.md

@@ -10,64 +10,89 @@ Scriptocalypse is a zombie survival game set in the year 2666. The objective is
 ## How to Play
 - **Arrow Keys ↑↓**: Move player vertically
 - **Spacebar**: Shoot
-- **Goal**: Survive as long as possible and eliminate zombies to increase your score
+- **ESC / P**: Pause game
+- **Goal**: Survive 3 minutes and eliminate zombies to maximize your score
 
-## MVP - (Minimum Scope)
-- [x] 3 game states (intro screen, game screen, game over screen)
-- [x] Start and restart functionality
+## Game Modes
+
+### Normal Mode
+- 3 lives
+- Power-ups available
+- Progressive difficulty
+
+### Hardcore Mode
+- 1 life only
+- 50% faster enemies
+- No power-ups
+- Separate high score
+
+## Features
+
+### Core Gameplay
+- [x] 3 game states (intro, game, game over)
+- [x] Win condition (survive 3 minutes) with victory screen
 - [x] Lose condition (run out of lives)
-- [x] GitHub versioning
+- [x] Pause functionality (ESC/P key)
+- [x] High score system with localStorage
+
+### Enemies
+- [x] **Normal Zombie** - Standard speed, 1 HP
+- [x] **Fast Zombie** (green) - Higher speed, 1 HP
+- [x] **Tank Zombie** (larger) - Slower, 2 HP
+- [x] **Boss** - Spawns every 60 seconds, 10 HP with health bar
+
+### Power-ups
+- [x] **Extra Life** (green +) - Adds 1 life
+- [x] **Triple Shot** (yellow 3) - 3 bullets for 10 seconds
+- [x] **Shield** (blue S) - Invincibility for 5 seconds
+
+### Progressive Difficulty
+- Enemy spawn rate increases over time
+- Enemy speed increases over time
+
+### Audio & Visual
 - [x] Sound effects (shoot, damage, game over)
+- [x] Background music during gameplay
 - [x] Volume control
+- [x] Player flash on damage
+- [x] Enemy death animations
+- [x] Shield glow effect
 
-## Planned Improvements
-
-### Bug Fixes
-- [ ] Implement win condition (survive 3 minutes)
-- [ ] Fix memory leak with intervals on restart
-- [ ] Fix duplicate event listeners on restart
-- [ ] Add victory screen
-
-### New Features
-- [ ] **Progressive difficulty** - Enemies spawn faster/move quicker over time
-- [ ] **Hardcore mode** - Fewer lives, faster enemies
-- [ ] **Enemy variety** - Different zombie types with varying speeds and health
-- [ ] **Boss fights** - Boss appears every minute survived
-- [ ] **Background music** - Use music.mp3 during gameplay
-- [ ] **High score** - Save records with localStorage
-- [ ] **Pause** - Pause game with ESC or P key
-- [ ] **Power-ups** - Extra life, triple shot, temporary shield
-- [ ] **Visual feedback** - Flash on damage, zombie death animations
-- [ ] **Mobile support** - Touch controls for mobile devices
+### Mobile Support
+- [x] Touch controls (auto-detected)
+- [x] Responsive design
 
 ## Architecture
 
 ### Game States
 ```
-INTRO → GAME → GAME_OVER
-         ↑         ↓
-         └─────────┘ (restart)
+INTRO → GAME → VICTORY
+         ↓        ↓
+      GAME_OVER   │
+         ↑        │
+         └────────┘ (restart)
 ```
 
 ### Core Functions
 | Function | Description |
 |----------|-------------|
-| `introPage()` | Sets up intro screen |
-| `startGame()` | Initializes game, resets variables |
-| `timeGame()` | Updates game timer |
-| `spawnPlayer()` | Creates player and starts collision detection |
-| `playerMove()` | Handles keyboard input |
-| `shoot()` | Creates bullet and manages movement |
-| `spawnEnemy()` | Recursively spawns enemies |
-| `checkCollision()` | Detects bullet-enemy collision (AABB) |
-| `checkCollisionEnemy()` | Detects player-enemy collision (AABB) |
-| `endGame()` | Ends game and displays score |
+| `initGame()` | Initializes game, resets state |
+| `resetGame()` | Cleans up intervals and game elements |
+| `timeGame()` | Updates timer and checks win/boss spawn |
+| `spawnPlayer()` | Creates player and collision detection |
+| `shoot()` | Creates bullet(s) based on power-ups |
+| `spawnEnemy()` | Spawns enemies with random types |
+| `spawnBoss()` | Spawns boss with health bar |
+| `spawnPowerUp()` | Spawns random power-ups |
+| `togglePause()` | Pauses/resumes game |
+| `victoryGame()` | Shows victory screen |
+| `endGame()` | Shows game over screen |
 
 ### File Structure
 ```
 ├── index.html      # HTML structure
-├── script.js       # Game logic
-├── style.css       # Styles
+├── script.js       # Game logic (~800 lines)
+├── style.css       # Styles (~470 lines)
 ├── images/         # Sprites and backgrounds
 └── sounds/         # Sound effects and music
 ```