AIR RESISTANCE
Objects moving with great speed are affected with significant air resistance forces. Xpand Rally car physics simulate those forces with regard to car as well as other objects. The forces can be seen when for example the wind detaches the car bonnet. Of course the aerodynamic shape of the cars results in pressing them to the road at high speeds which improves their traction.
STEERING MODEL
Towards the end of implementing Xpand Rally physics it was clear that the created model is very realistic which makes driving the car relatively difficult especially with the use of a keyboard. Thats why to let players that dont have steering wheels have more fun we have decided to add various helpers that are to make controlling the car easier with a keyboard. They do not change any of the physical car parameters but try to simulate the behavior of a driver steering with a driving wheel.
For players who instead of struggling with the road and the car prefer fun racing with great speeds we have created an Arcade physics mode that slightly modifies the physics parameters greatly simplifying the steering.
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