# Build Your Rotorcraft

Building your rotorcraft with ARC is straight forward, use the prefab builder to create your new vehicle. The window can be found under -> Tools/ e23/ARC/Prefab Builder

![](/files/-MiwcMECH0zsDzADQLZ1)

**Rotorcraft Name** – the name you want your new vehicle to be called.\
**Rotorcraft Model** – the model you're wanting to use.

**Rotor Blade Names** – the names of the rotor baldes in the model. This will automatically add a 'RotorBlade' component to rotate the blades when the engine is enabled. You can change how fast the blades spin on this component.

**Rotorcraft Settings** – the settings you wish to use for the vehicle being created. For your first rotorcraft, just click the circle and select one of the included settings.

Optional Components\
**Add Effects** **Component** – if you wish to have a trail(s), enable this option and assign the prefab. It is ok to leave the field empty. Make sure to align the effects correctly after hitting 'Build Rotorcraft'.

**Add Dust Effects** – auto add a component to display ground dust being blow around by the thrust from the propellers. Assign a prefab with a particle system setup for this component to be setup correctly.

**Add Simpe Audio** – this adds the required components for the simple implementation of audio for a rotorcraft.

**Add Ground Follow** - ARC comes with a component which will keep the rotorcraft at the same height off the ground as it changes, raising/lowering the rotorcrafts height automatically following the contours of the ground. 

**Add Click To Move** - add this component to have the ability to click on the floor and the rotorcraft move to where you clicked to. This is a simple move to target location, it will not take into account any obstacles that may be blocking the way.

**Add Example Input** – an example script that uses WSAD to move the vehicle will be added, optional. If you don't want to use this, you will need to create your own input class.

Clicking 'Build Rotorcraft' will create a new GameObject in the scene with the correct hierarchy and should be playable straight away. A box collider gets added, however, you will most likely want to tweak the size to match your model better.


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