System Requirements Document for soccer-legend

1. Introduction

The "soccer-legend" project aims to deliver a realistic and immersive soccer career mode game. The game will feature extensive character customization, including a variety of hairstyles and skin tones, and will allow players to manage teams, make transfers, and compete against real teams. The game will be available on mobile, PS5, and PC platforms, providing a cinematic and futuristic gaming experience inspired by Gleb Kuznetsov's design language.

2. System Overview

The "soccer-legend" game is designed to offer a comprehensive soccer career mode experience with a focus on realism and customization. Players can create and customize their characters, engage in team management, and participate in matches against real teams. The game will support cross-platform play on mobile, PS5, and PC, ensuring a wide reach and accessibility.

2a. Product Interpretation and Delivery Boundary

The game will be delivered as a cross-platform application available on mobile devices, PS5, and PC. It will feature a cinematic and futuristic design, with a focus on immersive gameplay and dynamic environments. The game will not include flat 2D designs, pastel color schemes, or static imagery, as these are explicitly avoided in the creative direction.

2b. Source Content Inventory

Not applicable as no explicit content_source directive was provided.

2c. Page Content and Component Coverage

Main Menu

• Start Career: Begin a new soccer career mode.
• Load Career: Access previously saved career progress.
• Settings: Adjust game settings including controls and graphics.
• Exit: Quit the game.

Character Customization

• Appearance: Customize hairstyles, skin tones, and facial features.
• Outfit: Select and purchase outfits for outside game wear.
• Attributes: Allocate skill points to improve player abilities.

Team Management

• Squad Selection: Choose players for upcoming matches.
• Transfers: Manage player transfers between teams.
• Tactics: Set team formations and strategies.

Match Day

• Pre-Match Setup: Review team lineup and tactics.
• Live Match: Play against real teams with realistic controls.
• Post-Match Analysis: Review match statistics and player performance.

Shop

• In-Game Purchases: Buy new outfits and accessories for characters.
• Currency Management: Track in-game currency and transactions.

3. Functional Requirements

• As a player, I should be able to create and customize my soccer character with various hairstyles and skin tones to reflect my personal style. (explicit)
• As a player, I should be able to manage a soccer team, including making player transfers and setting team tactics, to enhance my team's performance. (explicit)
• As a player, I should be able to play matches against real teams using realistic controls on mobile, PS5, and PC platforms. (explicit)
• As a player, I should be able to purchase and equip outfits for my character to wear outside of matches, enhancing the personalization aspect of the game. (explicit)
• As a player, I should be able to save and load my career progress to continue my journey at any time. (explicit)

4. User Personas

• Player: The primary user who engages with the game, customizing characters, managing teams, and playing matches. The player seeks an immersive and realistic soccer career experience.

5. Core User Flows

Starting a New Career

1. Player selects "Start Career" from the Main Menu.
2. Player customizes their character's appearance and attributes.
3. Player enters the Team Management interface to set up their squad.
4. Player begins the first match of their career.

Managing a Team

1. Player accesses the Team Management page.
2. Player reviews current squad and makes necessary transfers.
3. Player sets tactics and formations for upcoming matches.
4. Player saves changes and exits to the Main Menu.

Playing a Match

1. Player selects a match from the Match Day page.
2. Player reviews pre-match setup and confirms team lineup.
3. Player engages in the live match using platform-specific controls.
4. Player reviews post-match analysis and returns to the Main Menu.

6. Visuals Colors and Theme

• Muse: Gleb Kuznetsov
• Palette:
  • Background: #000022
  • Surface: #1A1A3D
  • Text: #E0E0FF
  • Primary: #00CCFF
  • Accent: #FF3366
  • Muted: #404070
• Typography:
  • Headings: Space Grotesk — Wide geometric sans, uppercase, tight tracking
  • Body: Orbitron
  • Scale: 1.4 modular, 64/48/32/24/18
• Shape Language: Full-bleed 3D scene with floating glass panels and radial layouts.

7. Signature Design Concept

The public entry features a full-bleed 3D scene of a holographic soccer field with dynamic lighting and motion effects. Floating glass panels display player stats and customization options, creating an immersive and futuristic experience.

8. Interaction Model & Motion Direction

• Interaction Model: Animated
• Motion Tempo: Cinematic
• Hero Dimensionality: WebGL
• Landing Hero Motion Brief: The focal subject is a holographic soccer field with light sweeps and glowing forms. The input is user interaction with the floating panels, transforming into dynamic stats and customization options, resulting in an immersive experience. The motion vocabulary includes continuous scroll-linked camera moves and orbiting parallax elements.

9. Non-Functional Requirements

• The game must support cross-platform play on mobile, PS5, and PC with consistent performance and controls. (explicit)
• The game should provide a cinematic and immersive experience with high-quality graphics and dynamic environments. (explicit)

10. Tech Stack

• Frontend: React (for web), React Native (for mobile)
• Backend: Python/FastAPI
• Graphics: WebGL/R3F for 3D rendering
• Storage: Appropriate cloud-based storage solution
• Deployment: Docker/docker-compose for containerization

11. Assumptions and Constraints

• The game will not include flat 2D designs or pastel color schemes, as these are explicitly avoided in the creative direction.
• The game will focus on a realistic soccer career mode, excluding other unrelated game modes or features.

12. Glossary

• Character Customization: The process of altering a character's appearance and attributes to suit player preferences.
• Team Management: The act of organizing and controlling a soccer team, including player transfers and tactical decisions.
• Match Day: The event of playing a soccer match against another team.
• WebGL/R3F: Technologies used for rendering 3D graphics in web applications.