System Requirements Document (SRD) for neon-engine

1. Introduction

The neon-engine is a fully functional 3D game engine designed to empower developers to create immersive and visually stunning games. This project aims to deliver a cross-platform solution, enabling game developers to deploy their creations seamlessly across PC, mobile, and console platforms. By focusing on cutting-edge rendering, physics, and scripting capabilities, neon-engine will serve as a versatile tool for both indie developers and large studios.

This document outlines the system requirements for neon-engine, ensuring it meets the needs of its users while maintaining high performance and compatibility across platforms.

2. System Overview

The neon-engine will provide a comprehensive suite of tools and features for game development, including:

• A high-performance rendering engine supporting advanced graphics techniques.
• A robust physics engine for realistic simulations.
• Scripting support for game logic and customization.
• Asset import/export tools for seamless integration with external design software.
• Cross-platform compatibility for PC, mobile, and console platforms.
• Support for multiplayer and VR capabilities to cater to modern gaming trends.

The engine will prioritize ease of use, scalability, and performance, making it suitable for projects of varying complexity.

3. Functional Requirements

Core Features

• As a Developer, I should be able to create 3D environments with advanced rendering capabilities.
• As a Developer, I should be able to implement realistic physics simulations.
• As a Developer, I should be able to write and execute scripts for game logic.
• As a Developer, I should be able to import and export assets in standard formats (e.g., FBX, OBJ).
• As a Developer, I should be able to deploy games on PC, mobile, and console platforms.
• As a Developer, I should be able to integrate multiplayer functionality.
• As a Developer, I should be able to develop VR-compatible games.

Cross-Platform Specific

• As a Developer, I should be able to test games on multiple platforms from a single development environment.
• As a Developer, I should be able to optimize performance for platform-specific hardware constraints.
• As a Developer, I should be able to configure input systems for different devices (e.g., keyboard, controller, touch).

4. User Personas

Developer

• Description: Game developers ranging from indie creators to large studios.
• Goals: Build high-quality 3D games efficiently, deploy across multiple platforms, and leverage advanced features like multiplayer and VR.
• Pain Points: Complexity of cross-platform development, performance optimization, and asset compatibility.

Player (End-User)

• Description: Gamers who will experience the games created using neon-engine.
• Goals: Enjoy immersive, high-performance games on their preferred platform.
• Pain Points: Poor performance, lack of platform support, and inconsistent experiences.

5. Visuals Colors and Theme

The neon-engine will adopt a futuristic and vibrant aesthetic to reflect its cutting-edge capabilities. Below is the unique color palette:

• Background: #0D0D0F (Deep Midnight Black)
• Surface: #1A1A2E (Dark Indigo)
• Text: #EAEAEA (Soft White)
• Accent: #FF6F61 (Neon Coral)
• Muted Tones: #4E4E50 (Graphite Gray)

This palette conveys a modern, high-tech feel while maintaining readability and visual appeal.

6. Signature Design Concept

The neon-engine homepage will feature an interactive 3D holographic interface. Upon landing, users will see a rotating 3D model of a futuristic cityscape, symbolizing the limitless possibilities of the engine. Key features of the design include:

• Dynamic Interaction: Users can click on different buildings in the cityscape to explore specific features of the engine (e.g., rendering, physics, scripting).
• Neon Glow Effects: The cityscape will have glowing neon lights that pulse subtly, creating a sense of energy and innovation.
• Parallax Scrolling: As users scroll, the camera will zoom into different parts of the city, revealing more details about the engine's capabilities.
• Micro-Animations: Hovering over elements will trigger smooth animations, such as lights flickering or holographic panels appearing.
• Sound Design: Subtle ambient sounds and futuristic tones will enhance the immersive experience.

This bold and memorable design will immediately captivate users and set the tone for the engine's innovative spirit.

7. Non-Functional Requirements

• The engine must maintain a frame rate of at least 60 FPS on supported platforms.
• The engine must support resolutions up to 4K.
• The engine must load projects within 5 seconds on high-performance hardware.
• The engine must provide comprehensive documentation and tutorials.
• The engine must support localization for multiple languages, including English (default), French, and German.

8. Tech Stack

Frontend

• React for the web-based development environment.

Backend

• Python with FastAPI for backend services.

Database

• MySQL for relational data storage, using Alembic for migrations.
• MongoDB for NoSQL storage of unstructured data.

AI Models

• GPT 5.4 for user-friendly responses in the development environment.
• Claude 4.6 Opas for coding assistance.
• Google Nano Banana for generating visual assets.

AI Tools

• Litellm for LLM routing.
• Langchain for AI-driven workflows.

Orchestration

• Docker and docker-compose for local development.
• Kubernetes for server-side orchestration.

9. Assumptions and Constraints

Assumptions

• Developers will have access to modern hardware for development.
• Target platforms will include Windows, macOS, iOS, Android, and major gaming consoles.
• Users will have basic knowledge of game development.

Constraints

• The engine must adhere to platform-specific guidelines (e.g., Apple App Store, Google Play).
• The engine must not exceed 2GB in installation size.
• The engine must operate within the constraints of mobile hardware.

10. Glossary

• Rendering Engine: Software responsible for generating images from 3D models.
• Physics Engine: Software that simulates physical interactions in a virtual environment.
• Scripting: Writing code to control game logic and behavior.
• Cross-Platform: Compatibility with multiple operating systems and devices.
• VR: Virtual Reality, a simulated experience that can be similar to or completely different from the real world.