[GUIDE] [1.19.2.1] Vehicle physics explained.
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Posting in the Mods forum (ATS and ETS2) is restricted to sharing free-to-the-public mods and providing support for mods. For more details, please check chapters [4] and [5] of Forum Rules.
Re: [GUIDE] [1.19.2.1] Vehicle physics explained.
So what's the difference between the (hidden) engine brake settings in the engine file and thrust_characteristic_viscosity_factor (intensity of engine brake) in the physics file?
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Re: [GUIDE] [1.19.2.1] Vehicle physics explained.
I don't know the formula used, but i can assume that parameter is a part of the formula.
The one in the physics file is global to all engines whereas the one in the engine is specific to that engine.
Setting the one in the physics file to 2.0 makes all motor/exhaust/jake brakes 200% as effective.
Setting the one in the engine file to 2.0 makes the motor/exhaust/jake brake 200% as effective for that engine only.
Setting BOTH to 2.0 makes all other engines 200% as effective and that one engine you altered to be 400% as effective as normal.
The one in the physics file is global to all engines whereas the one in the engine is specific to that engine.
Setting the one in the physics file to 2.0 makes all motor/exhaust/jake brakes 200% as effective.
Setting the one in the engine file to 2.0 makes the motor/exhaust/jake brake 200% as effective for that engine only.
Setting BOTH to 2.0 makes all other engines 200% as effective and that one engine you altered to be 400% as effective as normal.
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airbus_sai
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Re: [GUIDE] [1.19.2.1] Vehicle physics explained.
Thanks Cadde, this is very helpful.
But looks like text of physics.sii is actually from chassis.
But looks like text of physics.sii is actually from chassis.
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Re: [GUIDE] [1.19.2.1] Vehicle physics explained.
Oh my ...But looks like text of physics.sii is actually from chassis.
Fixed it!
In my defense, editing the first post is confusing. It was there from the start but after editing all files i must have pasted the wrong file in the wrong code section.
I just wish someone would have let me know sooner.
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airbus_sai
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Re: [GUIDE] [1.19.2.1] Vehicle physics explained.
Now it's even more helpful. 
I just found that "bristle" in the lower lines of physics.sii is googleable by "radial bristle brush", and behaves like this: http://www.youtube.com/watch?v=jCs0nh-l8ms
So stiffness is how hard it will be to bend these wires in the brush, and damping is how well it will return to original shape.
I just found that "bristle" in the lower lines of physics.sii is googleable by "radial bristle brush", and behaves like this: http://www.youtube.com/watch?v=jCs0nh-l8ms
So stiffness is how hard it will be to bend these wires in the brush, and damping is how well it will return to original shape.
"Now, I am become Death, the destroyer of squirrels."
- J. Robert Oppenheimer, when asked about Trinity tests, as heard in Lost Years song.
- J. Robert Oppenheimer, when asked about Trinity tests, as heard in Lost Years song.
Re: [GUIDE] [1.19.2.1] Vehicle physics explained.
Yes but in the game there are not bristles per say. It's just a formula.
There's no bending going on, just forces being applied in the physics engine.
There's no bending going on, just forces being applied in the physics engine.
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Re: [GUIDE] [1.19.2.1] Vehicle physics explained.
Where is the entry for AI Vehicle volume? I'm looking to increase the volume of AI cars driving by, I would imagine it would have something to do with tires.
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Re: [GUIDE] [1.19.2.1] Vehicle physics explained.
Tuddley, in two places that i know of currently.
"/def/game_data.sii" near line 105:
Which affects the volume of outside vehicles (and such) when using the inside camera.
And the various sound files for AI vehicles in the "/sound/ai" folder.
"/def/game_data.sii" near line 105:
Code: Select all
interior_sound_volume: 0.05 // Interior sound attenuation value (the outside sounds will have 5% of original volume)And the various sound files for AI vehicles in the "/sound/ai" folder.
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Re: [GUIDE] [1.19.2.1] Vehicle physics explained.
What are these options and how well it set up?
# coefficients related to wheel slipping
slip_longitudinal_factor: 1.0
slip_lateral_factor: 1.0
# coefficients related to wheel slipping
slip_longitudinal_factor: 1.0
slip_lateral_factor: 1.0
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