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Physics, Customization and Manual

PostPosted: Fri Oct 19, 2012 7:41 am
by Eugene Cojocar
I’m going to post here something info about vehicle dynamics so anyone could read and understand to tweak vehicle physics and understand updates. Maybe I will compile these posts and make online manual or something like this.
I begin with tires.
When a vehicle drives it contact with a road by tires so tires is the most important thing. It’s logically start from tires and some theory.

At the picture below you can see Tire Axis System that XMR uses.
Image
You can compare it with SAE Axis that is attached.
Image
A vehicle accelerates and brakes because of applied longitudinal tire force (Z axis).
If Z > 0 then tire accelerate a vehicle. If Z < 0 then tire brakes a vehicle.
A vehicle turns because of applied Lateral tire force (X axis).
If X > 0 then tire turns a vehicle to the right, else if X < 0 then tire turns a vehicle to the left.
A tire provides longitudinal and lateral forces if Normal force (Y) > 0. If Normal force is equal 0 then X and Z must be 0 also.


You can see tire forces on this video.

Re: Physics, Customization and Manual

PostPosted: Thu May 08, 2014 6:47 am
by SyLion
It would be great to see the continuation of it.

Re: Physics, Customization and Manual

PostPosted: Wed May 21, 2014 5:46 pm
by sever 43
yes I too want to see it! :D
Looks like the best physics engine.
Great potential here.

Re: Physics, Customization and Manual

PostPosted: Thu May 22, 2014 9:05 am
by Emot
Absolutely agreed.
XMR open architecture meets the key requirements to the physics model of vehicles as easy as possible, with the minimum delay, while providing the highest level of precision.