System Requirements Document (SRD)

Project Name: sharp-bike

1. Introduction

Welcome to the System Requirements Document (SRD) for sharp-bike, a single-player mountain bike racing game designed for thrilling gameplay and engaging mechanics. Developed with a focus on physics-based challenges, sharp-bike will immerse players in steep climbs, tricky descents, and dynamic terrains.

This document outlines the functional and non-functional requirements, user personas, visual design elements, technical stack, and other critical aspects of the project. It has been tailored to meet the vision of Anurag Yadav, based in India, ensuring locale-specific considerations such as IST timezone and INR currency for in-game purchases.

2. System Overview

sharp-bike is a single-player mountain bike racing game that combines speed, precision, and strategy. Players will navigate challenging terrains, manage fuel limits, and perform stunts to earn rewards. The game will feature superbikes as unlockable upgrades, adding excitement and variety to the gameplay.

Key features include:

• Physics-based gameplay for realistic bike movement.
• Mountain terrains with varying difficulty levels.
• Superbikes that players can unlock and upgrade.
• Fuel limits to add strategic depth.
• Stunt mechanics for bonus rewards.

The game is designed to be intuitive yet challenging, ensuring long-term engagement for players.

3. Functional Requirements

Story Points:

• As a User, I should be able to race bikes on mountain terrains.
• As a User, I should be able to unlock and upgrade superbikes.
• As a User, I should be able to manage fuel limits during gameplay.
• As a User, I should be able to perform stunts to earn bonus rewards.
• As a User, I should experience physics-based bike movement for realistic gameplay.

4. User Personas

1. Casual Player

• Description: Enjoys quick, fun gameplay sessions without deep commitment.
• Goals: Experience entertaining bike races and perform stunts.
• Pain Points: Overly complex controls or steep learning curves.

2. Competitive Gamer

• Description: Seeks challenging terrains and rewards for skillful gameplay.
• Goals: Unlock superbikes, master stunts, and conquer difficult mountain tracks.
• Pain Points: Lack of progression or insufficient rewards for achievements.

3. Explorer

• Description: Prefers visually engaging environments and variety in gameplay.
• Goals: Navigate diverse mountain terrains and enjoy the scenic visuals.
• Pain Points: Repetitive environments or lack of exploration opportunities.

5. Visuals Colors and Theme

Color Palette:

• Background: #1A2B3C (Deep Mountain Blue)
• Surface: #F2E8D5 (Soft Beige for terrain elements)
• Text: #FFFFFF (Bright White for readability)
• Accent: #FF5733 (Vivid Orange for superbike highlights)
• Muted Tones: #7D8A99 (Neutral Gray for UI elements)

Theme:

The visual style will be semi-realistic, blending vibrant colors with detailed textures to create an immersive mountain biking experience. The superbikes will feature striking designs with metallic finishes and glowing accents.

6. Signature Design Concept

Interactive Mountain Terrain with Dynamic Weather Effects

The homepage/landing screen will feature a 3D interactive mountain terrain that players can explore. As users move their cursor or swipe, the terrain will shift, revealing different mountain tracks and challenges.

Key features:

• Dynamic Weather Effects: Snowfall, rain, and sunlight transitions based on the selected track.
• Superbike Showcase: A rotating display of superbikes with glowing accents, allowing users to preview and interact with the bikes.
• Interactive Animations: Stunt demonstrations and fuel management tips displayed as animated overlays.
• Micro-Interactions: Hover effects on terrain elements that reveal track difficulty and rewards.

This bold design will captivate users and set the tone for an exhilarating gaming experience.

7. Non-Functional Requirements

• The game must load within 3 seconds on standard devices.
• The physics engine should ensure realistic bike movement and stunts.
• The UI must be responsive across mobile and desktop platforms.
• The system should support offline gameplay.
• The game should be optimized for low and mid-tier devices.

8. Tech Stack

Frontend:

• React for Web
• React Native for Mobile App

Backend:

• Python
• FastAPI

Database:

• MySQL (preferred for structured data like user progress and superbike upgrades)
• MongoDB (for storing gameplay analytics and logs)

AI Models:

• GPT 5.4 for user-friendly responses in tutorials and help sections.
• Google Nano Banana for generating dynamic visuals like terrain textures.

AI Tools:

• Litellm for LLM Routing
• Langchain for AI integration

Local Orchestration:

• Docker
• docker-compose

Server-Side Orchestration:

• Kubernetes

9. Assumptions and Constraints

Assumptions:

• Players will primarily access the game on mobile devices.
• The game will be monetized through in-app purchases (e.g., superbike upgrades).
• The target audience prefers casual yet challenging gameplay.

Constraints:

• The game must adhere to India’s digital payment regulations for in-app purchases.
• Development must be completed within a 6-month timeline.
• The game must support devices with limited processing power.

10. Glossary

• Superbike: High-performance bikes with enhanced speed and capabilities, unlockable through gameplay progression.
• Fuel Limits: A gameplay mechanic where players must manage fuel consumption to complete races.
• Stunts: Tricks performed during gameplay to earn bonus rewards.
• Physics-Based Gameplay: Game mechanics that simulate realistic bike movement and terrain interaction.
• Dynamic Weather Effects: Visual elements like snow, rain, and sunlight that change based on the selected track.

This document provides a comprehensive overview of the sharp-bike project, ensuring all aspects of development align with the vision and requirements provided by Anurag Yadav.