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1,195 ratings
Better Car Physics
Description Discussions8 Comments708 Change Notes
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Mods: Build 41, Balance, Misc, Multiplayer, Realistic, Vehicles
File Size
Posted
Updated
346.898 KB
Dec 29, 2022 @ 11:24am
Feb 21, 2023 @ 1:15pm
9 Change Notes ( view )
Required items
This item requires all of the following other items
Created by
Neidmare
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Better Car Physics

Description
This mod requires manual installation steps. You must do these, otherwise the mod will not work.
See installation section.



What does this do?
In a nutshell:
  • Better engine sound
  • Manual shifting (toggle in settings, requires ModOptions mod)
  • Several improvements to driving physics, including offroad driving
Watch the video for an example.


Installation (Windows)
You can install the mod into existing saves.
  • Close Project Zomboid
  • Subscribe to this Mod
  • Wait for the download to finish
  • Go to
    Steam\steamapps\workshop\content\108600\2909035179\mods\BetterCarPhysics
  • Copy the zombie folder and nothing else
  • Paste it into
    Steam\steamapps\common\ProjectZomboid
  • Overwrite all files (should be 24)
  • Start Project Zomboid
  • Enable the mod. Done!

Installation (MacOS)
See this guide

Installation (Linux)
Same as Windows. The steam folder is usually located in ~/.local/share/Steam


Uninstall
You can uninstall the mod at any time without affecting save files.
  • Deactivate mod in game
  • Close Project Zomboid
  • Right click game in steam -> Properties -> Local files
  • Click 'verify integrity of game files'
  • It should download 24+ files. Done!


Multiplayer
I only did some basic testing, use at your own risk
  • Should work on any server. Both server and client need the mod installed.
  • Anyone who wants the physics has to install this mod and follow the manual installation steps.
  • If someone joins without the manual installation steps, they can still join, but will have the vanilla physics.
  • The mod turns itself off completely if the server does not have it installed. You can freely switch between servers without changing anything.


Features
Realistic car engine and transmission behavior
  • Engine behaves/sounds much like it would in a real car
  • Releasing throttle leaves the car in gear
  • Engines have different torque curves. Vans operate best at low RPM, sports cars at high RPM
  • Lower gears produce more torque. Helpful for driving offroad.
  • Engine braking
  • Smooth gear shifts with rev-matching
  • Shifting into a low gear with too much speed will slide the car as the wheels lock up
  • Proper road friction and wind resistance forces

Manual and Semi-automatic transmission
  • Option to toggle manual on for all cars via ingame settings (Requires ModOptions mod)
  • In semi-auto mode, car shifts automatically, but you can override it using the shifting keys
  • Customizable keybinds for shift up (up arrow) and shift down (down arrow)
  • Change in keybind menu under 'Vehicle'
  • Clutch is always automatic

Smooth cruise control
  • With automatic transmission, automatically shifts + picks an appropriate gear
  • With manual transmission only controls the throttle, you can freely change gears
  • Vanilla controls: Shift + W to enable and Shift + W/S to increase/decrease by 5

Integrates with Sunday Driver and Speed Demon perks
  • Sunday Driver accelerates slowly, because they are scared of the throttle
  • Speed Demon shifts like a racedriver

Compatible with all vehicle mods that add new cars
  • I tested a bunch of the most popular mods, they all work fine.
  • If a car accelerates super fast, its likely because some mod boosts its engine horse power. See my explanation here
  • To modders: This mod ignores the gear ratios defined in the resources files. I had to do that as most vanilla cars dont have any, and the ones that were present didnt work that well. I created some logic that picks gear ratios based on engine type (generic, firebird, van, jeep). You configure this with 'engineRPMType' in the vehicle definition. The engine type also determines the max RPM, and when the semi-auto transmission shifts.

Workshop ID: 2909035179
Mod ID: BetterCarPhysics
Popular Discussions View All (8)
83
May 10 @ 8:32am
PINNED: Bug reports
Neidmare
56
Jan 23 @ 2:17pm
PINNED: Suggestions & Planned Features
Neidmare
11
Apr 18, 2023 @ 7:11am
Install on MacOS
Neidmare
708 Comments
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KPS May 11 @ 9:58am 
@sprya use your eyes and read
sprya May 7 @ 6:16pm 
do i need to enable this in game? or is it not needed after manually installing it
Monke May 3 @ 11:03am 
Does anyone know if this mod works with the betterFPS mod?
Neidmare  [author] May 1 @ 7:13am 
@Ryan If the mods dont overwrite the same game files, then yes. (check the 'zombie' folder of this mod and of the other mods)
Ryan May 1 @ 7:06am 
@Neidmare is it compatible with other java mods like dynamic body shapes or jays pathfinding fix?
Goose May 1 @ 7:02am 
@Ryan, this mod is pretty lightweight.
haven't noticed any changes in performance.

though i do have a very high-end PC so take way i say with a grain of salt. but the author also says the same thing.
Neidmare  [author] May 1 @ 6:08am 
@Ryan Shouldnt make any difference, performance should be equal to base game.
Ryan May 1 @ 3:39am 
in terms of performance is it more costly/less costly to run this mod on low end pc?
The Ratt Apr 30 @ 1:26pm 
Thank you, can't wait for cars to feel like... cars!
Goose Apr 30 @ 6:14am 
you're a good modder.
i gotta say, this is my favorite simple QOL mods.
i hated the way the game handled car transmissions before.