🏎 The Ultimate Super-Advanced Offline Vehicle Physics System for Unreal Engine
ACABS is the ultimate offline vehicle physics, AI traffic, and city-driving toolkit for Unreal Engine. From scooters and superbikes to cars, trucks, tanks, trailers, and one-wheel vehicles — one unified system handles them all.
Built with advanced, simulation-level physics while remaining extremely easy to use, ACABS can replicate the real-world performance, acceleration, braking, suspension, drivetrain, transmission, handling, and top speed of virtually any real vehicle.
Fully modular, framerate-independent, powered by C++, accessible through Blueprints, and compatible with both static and skeletal meshes.
🔧 Ready in Minutes
Drag, drop, configure, and drive. Major systems are already integrated and optimized — no complicated setup, hidden dependencies, or C++ knowledge required.
🔗 Links
Official Trailer — ACABS 2.0: https://youtu.be/ShNe41718So?si=5_A4jQbNtdk6pjE8
Playable Demo ACABS 2.0: https://drive.google.com/file/d/1JwMpZNgRrlapIdIavmX8nVgcLgZaTwNR/view?usp=drivesdk
Official Trailer 1: https://www.youtube.com/watch?v=FtdJoDO8wdM
Playable Demo 1: https://drive.google.com/file/d/1syi9svTl3Yrvhl7D3nSlKTSdRrGV2jw5/view
Some updates:
https://www.youtube.com/watch?v=WJDpnIoxOII
New Features & Guide: https://youtu.be/m1kHJDZtjmE
Complete 0–100 Guide: https://www.youtube.com/watch?v=kRJlfofUsww&t=56s
Discord Server: https://discord.gg/dw3jYjQdcg
💡 Powerful C++ Core — Simple Blueprint Workflow
Powered by a clean, production-focused C++ architecture with only two main core classes, designed for performance, clarity, and scalability. Everything is easily accessible through Blueprints, so you never need to touch the underlying code.
🚗 What Makes ACABS Advanced🌆 COMPLETE SMART TRAFFIC CITY SIMULATION
ACABS can simulate a complete living city traffic system populated by smart autonomous AI vehicles.
Full city street mapping system
Advanced route generation, routing, and pathfinding
Autonomous vehicles capable of navigating complete road networks
City streets, lanes, intersections, destinations, connections, and speed limits
City driving, point-to-point travel, door-to-door driving, racing, and police chase systems
NavMesh and spline-based navigation
Predictive steering, throttle, braking, obstacle avoidance, reversing, and recovery
Multiple AI vehicles sharing roads with independent lanes and destinations
💥 VEHICLE COLLISION MESH DENT & DEFORMATION SYSTEM
Vehicles can realistically dent and deform during collisions, allowing the vehicle body to react directly to impact locations and forces.
Runtime collision-based mesh deformation
Realistic dent positioning and impact response
Support for compatible runtime materials
Different body shapes and vehicle configurations
Real-world-inspired crash damage and deformation
🚙 Complete Vehicle Support
Cars, motorcycles, bicycles, superbikes, scooters, trucks, monster trucks, tanks, trailers, off-road vehicles, and one-wheelers
Supports any wheel count from 1 to 18
Supports virtually any wheel shape, size, orientation, or configuration
Static mesh and skeletal mesh support
Built-in tank steering
Ackermann steering geometry
Front-wheel drive, rear-wheel drive, all-wheel drive, and custom drivetrains
⚙ Simulation-Level Vehicle Physics
Realistic suspension stiffness, damping, travel, compression, rebound, and limits
Real-world replication of acceleration, top speed, handling, braking distance, RPM, and gearing
Automatic and manual transmissions switchable during runtime
Realistic engine, clutch, gearbox, differential, axle, linkage, and driveshaft behaviour
Configurable torque, horsepower, RPM, gear ratios, final drive, and drivetrain efficiency
Physical wheel grip, traction loss, drifting, burnout, braking, and wheel locking
Hill-start assistance, rollback prevention, and low-speed vehicle holding
Adjustable aerodynamic downforce
Configurable nitro boost
Stable moving-platform support
Fully framerate-independent physics simulation
🏍 Motorcycles & Bikes
Realistic leaning, counter-steering, balancing, and ground-control behaviour
Independent front and rear suspension
Stable low-speed and stopped behaviour
Compatible with motorcycles, bicycles, scooters, and skeletal meshes
🛻 Trailers & Attachments
Physical trailer attachment and detachment
Adjustable pivot and connection points
Trailer braking support
Realistic physics-constraint movement
🤖 Super-Advanced Vehicle AI
Precise spline-following with continuous steering correction
NavMesh route finding and smart road navigation
City driving, destination driving, racing, police chase, constant chase, and distance-based chase
Dynamic obstacle detection using line and sphere traces
Smart reversing, unstucking, reset-to-road, and recovery systems
Lane offsets for multiple vehicles using the same route
Predictive steering, throttle, braking, and speed control
AI activation on collision
🚧 Moving Platform Support
Works with physics and non-physics platforms
Seamless vehicle movement
No unnecessary jitter, drift, or snapping
🎥 Camera, Audio & Feedback
Smooth vehicle camera movement
Engine start and shutdown
Engine, RPM, transmission, nitro, and vehicle sound support
RPM synchronized with engine state and drivetrain activity
📊 HUD & Debug Tools
Built-in HUD for speed, RPM, gear, nitro, transmission, trailer state, and acceleration timing
Vehicle, suspension, AI, navigation, steering, traction, and physics debugging
Functional in packaged builds
🎮 Input & Compatibility
100% Blueprint accessible
Full C++ access for advanced developers
Unreal Engine Enhanced Input support
Static and skeletal vehicle mesh support
Suitable for arcade, realistic, and near-simulation-level vehicle projects
🌐 Offline & Multiplayer Status
ACABS is currently built as the ultimate super-advanced offline vehicle physics and traffic simulation system.
Multiplayer has not yet been implemented or officially tested. The system is currently designed for single-player and offline projects.
💡 Ongoing Development
ACABS continues to receive optimizations, stability improvements, bug fixes, physics upgrades, autonomous AI improvements, and major new vehicle systems.
⚠ Important Note
Everything demonstrated inside the playable demo is included in the plugin.