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Aerodynamics
From paper planes to Mach-3 interceptors, this system provides the granular control professionals crave with the 'plug-and-play' ease beginners need.
The last toolkit you will ever need when it comes to simulating aerodynamics in Unity. 'Aerodynamics & Atmospheres' allows you to easily set up realistic (or not realistic) atmospheres and simulate airfoils in those atmospheres.
This aerodynamics system models lift, induced drag, parasitic drag, ground effect, and more. Things like air density, temperature, and pressure at a given altitude are all taken into account giving you a realistic flying experience.
Airfoil Physics: Total Control, Zero Limits 🪁
Forget being held back by a 3D mesh. Our system decouples looks from logic: define your lift and drag coefficients, chord length, and wing area to make any shape fly exactly how you want. Whether it looks like a brick or a blade, you dictate the aerodynamic performance.
Asymmetric Bodies: Real-World Chaos, Simulated 🌀
Master the "blunt body" problem with per-perspective 6-axis projection. By calculating lift and drag independently across every angle, we deliver hyper-realistic simulation for complex, uneven shapes that traditional math often ignores.
Symmetrical Bodies: Pure Efficiency ⚪
Perfect for spheres, cylinders, and cubes. These bodies are the ultimate "plug-and-play" components—simple, high-performance, and entirely orientation-independent. No matter how they spin, the physics stays rock solid.
Features:
- ⚡ Blazing Fast. 282 demo crafts (>2050 aerodynamic components) reach over 300 FPS in release builds on legacy hardware like an i7-6700k.
- 🌡️ Decoupled Environment API. Aerodynamics are calculated based on local "Atmosphere" and "Gravity" providers. Easily implement custom Gravitometers or Thermostats to support spherical worlds, planetary gravity gradients, or custom weather systems without touching the core physics.
- 🌍 Atmospheric layers. Allows for a near-perfect match to ISA standards for temperature and pressure relative to altitude.
- 💨 Mach-Dependent Lift Scaling. Implements Prandtl-Glauert (subsonic) and Ackeret's Theory (supersonic) to realistically decay wing efficiency as Mach numbers increase. Toggleable on or off.
- ⚖️ Dynamic center of pressure. Based on normal-wise rotation for span-wise movement and AoA/Mach number of chord-wise movement. (Mach-based scaling can be disabled, AoA/rotation based CoP movement may be tuned or disabled.)
- 🔥 Craft destruction system. Define parts of a Craft and efficiently break them into sub-Crafts that are their own AerodynamicRigidbody components.
- 🤖 AI fixed-wing and helicopter pilot scripts included with features like altitude MSL, radar altitude targeting, target following, orbiting, travel-to, etc.
- 🚁 Easily build helicopters with a RotorHub component that maps collective, cyclic inputs to existing Airfoils that act as main and tail rotors without any fake helicopter specific physics forces. RotorHubs even simulate blade flapping.
- 🥷 Efficient physics simulations use as few Rigidbody components as possible to maximize performance.
- 📍 Aerodynamic component relative computation. Aerodynamic components experience oncoming air, etc, locally instead of generalized for an entire AerodynamicRigidbody.
- 📽️ Volumetric wind projection computes dynamic geometric shadowing of components for oncoming air vectors, realistically altering lift and drag coefficients during high-alpha maneuvers or uncoordinated flight (e.g. simulating flat spins).
- 🧱 Dynamic wave drag. "The wall". Simulates transonic drag divergence using a Gaussian "hump" which prevents unrealistic acceleration through the sound barrier. Toggleable on or off.
- 🚀 Supersonic induced drag model. Transitions to accurate induced drag relationships at supersonic speeds.
- 🔊 Calculate speed of sound & mach number realistically based on atmospheric conditions and altitude.
- 🌀 6 axis projected aerodynamic lift and drag bodies.
- 🪁 Dragfoils & Airfoils using Thin Airfoil Theory.
- 🚀 AerodynamicRigidbody component allows you to add airfoils and control surfaces, calculate torque on each airfoil, and more.
- 🌡️ Implement your own custom Thermostat, Gravitometer, Gyroscope, Anemometer, and Altimeter types if you want to override physics, temperature, or other information in the world. (For example if you want the aerodynamics to work on a spherical body with a changing gravity direction or implement your own weather system.)
- 👽 Define conditions for an atmosphere.
- 🌌 Vacuum safeguards. Safely handle space/leaving atmospheres.
- 🌱 Ground effect simulation.
- 🧱 Induced drag simulation & visualization.
- 🪱 Parasitic drag simulation & visualization.
- ✈️ Lift simulation & visualization.
- ⚖️ Center-Of-Mass simulation & visualization.
- 🌫️ Center-Of-Pressure simulation & visualization.
- ⚪ Spherical aerodynamic bodies.
- 🎈 Atmosphere accurate balloons.
- 🍃 Wind support -- implement custom wind behavior using the Anemometer type.
- 🧭 Navball gizmo: Real-time tracking of pitch, heading, and bank with an adjustable basis.
- 🔢 Aspect ratio calculator built-in.
- 🌠 Tweakable subsonic and supersonic simulations.
- 👨🏫 Great for beginners and professionals.
- 📝 Hand written documentation and auto-generated API reference included.
- 📧 Fast support anytime by contacting us at intuitivegamingsolutions@gmail.com
Bonus Features:
- 🌍 Floating Origins System ensures you never experience loss-of-precision issues by flying too far from the world origin. Supports seamless audio source shifting, shifts damage system bullets, and transfers seamlessly to velocity measuring components.
- ⛰️ Dynamic Terrain System dynamically generates visual terrain tiles and the associated collision meshes and dynamically tiles them ensuring seamless, endless terrain as you fly.
- 🤕 Damage System integration and relevant demo allows you to use bullets or other forms of damage from the separate 'Damage System' asset to trigger the craft destruction system to have parts destroyed/fall off the craft accordingly. Includes a AtmosphericBulletManager component to make bullets behave realistically in a specified Atmosphere at their current position. Setup wizard automatically adds core 'Damage System' components appropriately based on existing DestructibleCrafts for 1-click conversions.
Documentation:
API reference
Documentation
*Do not hesitate to email questions, concerns, suggestions, or comments to intuitivegamingsolutions@gmail.com*
