Implemented full scribble game

[Harathibupuri]

Summary

Implemented the Scribble game features as per the assignment requirements.

Scenario 1 --> Room Setup & Lobby

• Creator automatically becomes host (hostId stored on room).
• Invalid room codes rejected with 404 error feedback.
• Rooms remain isolated (in-memory Map storage).
• Lobby auto-refreshes every 2 seconds via polling.
• Only host can start the game Start button hidden for non-hosts.
• Game requires at least 2 players to start (button disabled otherwise).

Scenario 2 --> Game Start & Drawer Flow

• Player names trimmed on submission, empty/whitespace-only names rejected.
• Drawer assigned (first participant) and secret word selected from starter list.
• Secret word visible only to drawer in the snapshot guessers see null.
• Drawer shown a yellow banner with the word guessers see no word info.

Scenario 3 --> Gameplay Interaction

• Drawer can draw on HTML canvas with pointer events strokes sent to server.
• Drawer can clear canvas via Clear Canvas button.
• Drawing replayed on all clients via polling.
• Guessers submit guesses via form guesses trimmed and empty ones rejected.
• Guess comparison is case-insensitive correct guess awards 100 points.
• Guess history synchronized to all players via 2-second polling.

Scenario 4 --> Result, Restart & Final Validation

• Results view shows the correct word, final scores, and full guess history.
• Host can restart the game restart returns everyone to lobby.
• Players preserved on restart, round data (drawing, guesses, scores) cleared.

Contributor

• Email: harathi.bg@everest.engineering
• Role:
  • Product
  • Developer