Realistic Train Physics in GTA V | Custom ALT:V Control System [TypeScript]

Hey! Today I’m showcasing a prototype of my custom train control system for the ALT:V multiplayer platform. This is a demonstration of the technical possibilities provided by this environment when combined with a modern tech stack.

Project Status: Early Alpha / Prototype. The goal of this system is to prove that smooth synchronization and full control over rolling stock in GTA V is achievable with the right tools.

At the heart of the system lies a physics engine based on Newtonian dynamics. Each train has a unique mass and inertia, making the experience of driving a 250-ton freight train drastically different from a light metro unit.

What does the physical model include?
Tractive Effort: Controlled via an 8-notch power throttle, simulating the characteristics of a locomotive engine.
Resistance to Motion: Simulation of rolling friction and air resistance.
Gravity Influence: Trains naturally accelerate on descents and slow down on inclines (based on track gradient analysis).
Inertia: Realistic mass (e.g., 250t for freight) forces the driver to plan braking well in advance.

Control System & Mechanics "Dead Man's Switch": I have implemented control systems modeled after real-world locomotive cabs.
Drive & Control: 8-position Throttle. A 0.8s response delay simulates the gradual buildup of engine power. Reverser: Three positions (Forward / Neutral / Reverse). Cruise Control: Maintains a set target speed.

Braking System & Safety:
Pneumatic Brake: Simulation of pressure in the main pipe and cylinders. Recharging the system takes time.
Dead Man's Switch: A safety system requiring driver input every 15 seconds – if no activity is detected, the train automatically initiates an emergency stop procedure.
Emergency Brake: Immediate venting of air pipes and wheel lock-up.

Tech Stack:
TypeScript: Static typing for critical position synchronization logic and brake pressure calculations.
ALT:V API: A multiplayer platform with high-frequency data updates.
HTML/CSS/JS (CEF): Modern UI displaying physical parameters in real-time.
Node.js: Backend runtime environment.

ALT:V, GTA V Train Simulator, TypeScript GameDev, Realistic Train Physics, GTA 5 Scripts, Open Source Multiplayer, Train Physics Engine, ALTV Dev, Train Sim, Newtonian Physics Engine

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Do you like this approach to GTA V scripting? Leave a thumbs up and let me know in the comments!