wassimulator; I make stuffProgramming Vehicles in Games The fundamental principles needed to get a functional vehicle in your game. I've come to realize that the challenge of simulating vehicles in games lies in bridging two complex worlds: the experience and the machine. The Slip Angle governs lateral force, The Slip Ratio governs longitudinal force. Just like with slip ratio, lateral force also follows a curve:As slip angle increases, lateral force increases. The horizontal axis is lateral force Fy (cornering to the right) with its matching slip-angle ticks, again on a log scale.