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soft-body crash physics for your car & offline AI cars
features:
- body deformation: dents and crumples that build up
- doors, bonnet, boot and bumpers swing, hang and tear off
- windows crack and shatter, lights go dark
- wheels can be torn off, bent suspension + flat tyre
- smoke, fire, sparks
- crash sfx (optional)
- replay support (session-based)
- idk if it works online
features:
- body deformation: dents and crumples that build up
- doors, bonnet, boot and bumpers swing, hang and tear off
- windows crack and shatter, lights go dark
- wheels can be torn off, bent suspension + flat tyre
- smoke, fire, sparks
- crash sfx (optional)
- replay support (session-based)
- idk if it works online
No videos available for this mod yet.
Version 0.7
October 31, 2026
v1.1.5
- Fixed being able to see through the car when the hood, trunk or bumpers come off (e.g. Kunos 370Z)
- Cars with nothing modeled under those panels now show a dark surface instead of a hole, with a simple engine cover under the hood and a radiator behind the front bumper
- Fixed being able to see through the car when the hood, trunk or bumpers come off (e.g. Kunos 370Z)
- Cars with nothing modeled under those panels now show a dark surface instead of a hole, with a simple engine cover under the hood and a radiator behind the front bumper
Version 0.6
October 30, 2026
v1.1.4
DAMAGE
- Fixed gray squares showing where a bonnet, boot or bumper came off a car. They were filler meant for hollow traffic car models and have been removed. You now see the car's own model underneath, on both the player car and AI cars.
DAMAGE
- Fixed gray squares showing where a bonnet, boot or bumper came off a car. They were filler meant for hollow traffic car models and have been removed. You now see the car's own model underneath, on both the player car and AI cars.
Version 0.5
October 30, 2026
v1.1.4
DAMAGE
- Fixed gray squares showing where a bonnet, boot or bumper came off a car. They were filler meant for hollow traffic car models and have been removed. You now see the car's own model underneath, on both the player car and AI cars.
DAMAGE
- Fixed gray squares showing where a bonnet, boot or bumper came off a car. They were filler meant for hollow traffic car models and have been removed. You now see the car's own model underneath, on both the player car and AI cars.
Version 0.4
October 30, 2026
CrashFX v1.1.3
DAMAGE
- Fixed hard crashes sometimes blowing the body up: the front or rear could balloon out into a huge box, car lengths past the real car. When the game reports a contact point that is already inside the car, the dent now starts from the outside of the body.
- Fixed a door staying open for good once a car took any damage. If a car's driver door was open when its damage was set up (for example in the pits at the start of a session), the damaged copy kept the door open. Setup now waits until the door is shut.
DAMAGE
- Fixed hard crashes sometimes blowing the body up: the front or rear could balloon out into a huge box, car lengths past the real car. When the game reports a contact point that is already inside the car, the dent now starts from the outside of the body.
- Fixed a door staying open for good once a car took any damage. If a car's driver door was open when its damage was set up (for example in the pits at the start of a session), the damaged copy kept the door open. Setup now waits until the door is shut.
Version 0.3
October 29, 2026
v1.1.2
DAMAGE
- Doors work on all cars now: the whole door panel swings open, hangs by its hinge or tears off, instead of just a loose piece of trim.
- Open doors are no longer see-through from behind: every door now has an inside.
REPLAYS
- Damage now follows the replay: rewinding undoes the dents, slow motion plays the crash in slow motion, and the crash replays as it happened.
TRAFFIC UNDERGROUND
- CrashFX now works alongside Traffic Underground: while Traffic Underground is running, it handles the damage on your car and CrashFX handles the AI cars, so the two apps no longer fight over your car.
UI
- The version number lines up with the title, and the window is a little smaller.
DAMAGE
- Doors work on all cars now: the whole door panel swings open, hangs by its hinge or tears off, instead of just a loose piece of trim.
- Open doors are no longer see-through from behind: every door now has an inside.
REPLAYS
- Damage now follows the replay: rewinding undoes the dents, slow motion plays the crash in slow motion, and the crash replays as it happened.
TRAFFIC UNDERGROUND
- CrashFX now works alongside Traffic Underground: while Traffic Underground is running, it handles the damage on your car and CrashFX handles the AI cars, so the two apps no longer fight over your car.
UI
- The version number lines up with the title, and the window is a little smaller.
Version 0.2
October 28, 2026
v1.1.1
CAR DAMAGE
- A damaged door, bonnet, boot or bumper that swings ajar now shows its inside and the opening behind it, instead of a see-through hole into the cabin from one side.
CAR DAMAGE
- A damaged door, bonnet, boot or bumper that swings ajar now shows its inside and the opening behind it, instead of a see-through hole into the cabin from one side.
Version 0.1
October 25, 2026
v1.1.0
- added environmental deformation (affects WALL materials)
- added environmental deformation (affects WALL materials)
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