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# Wheel Collider

## Wheel Collider Info

Access information about a Wheel Collider.

<figure><img src="https://2640392766-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F5yxYHsXtlAaoMUrDWhLm%2Fuploads%2Fgit-blob-cada9800b2def073b8f9e8c9b4bd23c6e41e264d%2Fafx_node_wheel_info.png?alt=media" alt=""><figcaption></figcaption></figure>

<table><thead><tr><th width="172">Name</th><th width="174">Type</th><th>Description</th></tr></thead><tbody><tr><td>Wheel Collider</td><td>Wheel Collider</td><td>Reference to a Wheel Collider.</td></tr></tbody></table>

**Outputs:**

<table><thead><tr><th width="171">Name</th><th width="178">Type</th><th>Description</th></tr></thead><tbody><tr><td>Rpm</td><td>Float</td><td>Current wheel axle rotation speed, in rotations per minute.</td></tr><tr><td>Steer Angle</td><td>Float</td><td>Steering angle in degrees, always around the local y-axis.</td></tr><tr><td>Sprung Mass</td><td>Float</td><td>The mass supported by this Wheel Collider.</td></tr><tr><td>Is Grounded</td><td>Boolean</td><td>Indicates whether the wheel currently collides with something.</td></tr><tr><td>Ground Hit Position</td><td>Vector3</td><td>The point of contact between the wheel and the ground.</td></tr><tr><td>Wheel Position</td><td>Vector3</td><td>The position of the wheel.</td></tr><tr><td>Wheel Rotation</td><td>Quaternion</td><td>The rotation of the wheel.</td></tr></tbody></table>

## Set value nodes

There are multiple nodes that you can use to set properties of a Wheel Collider. For more information, refer to the [WheelCollider](https://docs.unity3d.com/2021.3/Documentation/ScriptReference/WheelCollider.html) page in the Unity documentation.

The set nodes for a Wheel Collider have a similar arrangement of inputs and outputs, as described in the following sections.

<figure><img src="https://2640392766-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F5yxYHsXtlAaoMUrDWhLm%2Fuploads%2Fgit-blob-e0a13670fdce4b1b96403473fc56f57f19027ee6%2Fafx_node_set_brake.png?alt=media" alt=""><figcaption><p>Example set node for a Wheel Collider - the Set Brake Torque node</p></figcaption></figure>

**Inputs:**

<table><thead><tr><th width="164">Name</th><th width="174">Type</th><th>Description</th></tr></thead><tbody><tr><td>Enter</td><td>Flow</td><td>Flow to activate the node.</td></tr><tr><td>Wheel Collider</td><td>Wheel Collider</td><td>Reference to a Wheel Collider.</td></tr><tr><td>&#x3C;property></td><td>Float [editable]</td><td>The value to set for the chosen property.</td></tr></tbody></table>

**Outputs:**

<table><thead><tr><th width="160">Name</th><th width="178">Type</th><th>Description</th></tr></thead><tbody><tr><td>Exit</td><td>Flow</td><td>Continue the activating flow.</td></tr></tbody></table>

**Available nodes:**

<table><thead><tr><th width="180">Name</th><th width="152">Input type</th><th>Description</th></tr></thead><tbody><tr><td>Set Brake Torque</td><td>Float [editable]</td><td>Brake torque expressed in Newton metres.</td></tr><tr><td>Set Motor Torque</td><td>Float [editable]</td><td>Motor torque on the wheel axle expressed in Newton metres. Positive or negative depending on direction.</td></tr><tr><td>Set Steer Angle</td><td>Float [editable]</td><td>Steering angle in degrees, always around the local y-axis.</td></tr></tbody></table>