Translating a Fortran F-16 Simulator to Unity3D – VAZGRIZ
26 Sept 2025
Summary
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The article describes a technical project where the author translates an F-16 flight simulator from Fortran to Unity3D. The simulator originates from the textbook "Aircraft Control and Simulation" and includes a complex flight model based on wind tunnel data with lookup tables and mathematical equations. The author discusses the challenges of understanding dense aerodynamics material and the technical process of converting legacy Fortran code to a modern game engine.
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One interesting item in the appendices of the book is the source code for the simulation of an F-16
It has a flight model, based on scale model wind tunnel data
The flight model consists of a dozen lookup tables and the math equations to make it fly
The only problem: it's written entirely in Fortran
