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Better Car Physics

Description Discussions9 Comments850 Change Notes

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Build 41, Balance, Misc, Multiplayer, Realistic, Vehicles

File Size

Posted

Updated

346.898 KB

29 Dec, 2022 @ 11:24am

21 Feb, 2023 @ 1:15pm

9 Change Notes ( view )

Required items

This item requires all of the following other items

Mod Options (Build 41)

Created by

Neidmare
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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

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