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Revision as of 11:43, 18 October 2017 by JamesStallings (Talk | contribs) (Quick and dirty update for the ModularVehicleComponent: Red Truck)

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Quick and dirty update for the ModularVehicleComponent: Red Truck

Truck model from asset store, consists of empty gameobject with five dependent meshes; the truck body proper and four wheels.
all else you will see on the vehicle is added during the 'scripting' process.
This is not a perfect vehicle. It's 'alright'. There is more that could be done with it, which Adam covers in the related Artist's Masterclass. It is, however a decent reference vehicle, for making vehicles that behave in a more or less expected fashion, vis a vis real life (tm) vehicles.

As it turns out, on 'realistic' terrain, this truck drives a bit like a moon buggy. For a more realistic experience, set 'Max Speed' to '15'; 'Mass' to '7500' and adjust the rear wheels such that each has 'Forward Torque' to '750' and 'Backward Torque' to '500'. On the wheel colliders (all four wheels), set 'Suspension Spring' to '6' and 'Damper' to '10'.

This is the basic modular vehicle component for the red truck. There's a few more bits to it off the bottom, but they do not apply to this vehicle.

These are the 'core forces' settings. They configure the vehicle 'overall'. Everything else is pretty much 'per wheel'. Note that the first two wheels are right and left rear.

This is a representative rear wheel. The other rear wheel looks identical, it's just on the other side.

This is a representative front wheel. As with the rear wheels, the other is identical.

This is the collider for the rear wheel. It will be the same on the other side. Differences are in the name and position on the model. This applies generally to all the wheel elements.

This is the collider for the front wheel.

Finally there's a trail rendering component for making tracks

There are four types of vehicles in the Space virtual world platform;



Select the main mesh for your vehicle and add a collider.

Ensure the collider does not overlap with the wheels.

The wheels will have their own colliders applied by the Car Physics script and those colliders should not overlap the body collider.

Box collider.jpg

You can adjust the collider size manually by clicking the Edit Collider button and grabbing the small green dot in the middle of each surface, or by entering size and position parameters in the Inspector.

Box collider settings.jpg

Car Vehicle Script

Attach the Car Vehicle component to your vehicle.

This will add three scripts to the object;

Car Physics

Car physics.jpg

Mouse Control

Control Locked

Min Speed

Check for active

Wheel FR / FL / BR / BL

Suspension distance



Wheel radius


Brake Torque

Wheel weight

Vehicle Rigid Body

Vehicle rigid body.jpg


Car Physics

Car vehicle script.jpg

Add the animation track from an FBX file here to apply a pose to the user's avatar while using the vehicle.