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Assets/ThirdParty/PostProcessing/Utilities/CustomMotionTexture/ExampleWheelController.cs

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+using UnityEngine;
+
+public class ExampleWheelController : MonoBehaviour
+{
+    public float acceleration;
+    public Renderer motionVectorRenderer; // Reference to the custom motion vector renderer
+
+    Rigidbody m_Rigidbody;
+
+    static class Uniforms
+    {
+        internal static readonly int _MotionAmount = Shader.PropertyToID("_MotionAmount");
+    }
+
+    void Start()
+    {
+        m_Rigidbody = GetComponent<Rigidbody>(); // Get reference to rigidbody
+        m_Rigidbody.maxAngularVelocity = 100; // Set max velocity for rigidbody
+    }
+
+    void Update()
+    {
+        if (Input.GetKey (KeyCode.UpArrow)) // Rotate forward
+            m_Rigidbody.AddRelativeTorque(new Vector3(-1 * acceleration, 0, 0), ForceMode.Acceleration); // Add forward torque to mesh
+        else if (Input.GetKey (KeyCode.DownArrow)) // Rotate backward
+            m_Rigidbody.AddRelativeTorque(new Vector3(1 * acceleration, 0, 0), ForceMode.Acceleration); // Add backward torque to mesh
+
+        float m = -m_Rigidbody.angularVelocity.x / 100; // Calculate multiplier for motion vector texture
+
+        if (motionVectorRenderer) // If the custom motion vector texture renderer exists
+            motionVectorRenderer.material.SetFloat(Uniforms._MotionAmount, Mathf.Clamp(m, -0.25f, 0.25f)); // Set the multiplier on the renderer's material
+    }
+}