Cleaned up and commented version.

Assets/_Scripts/Eye-Tracking/Not in use test purpose only/GazeDirection.cs

@@ -0,0 +1,25 @@
+using UnityEngine;
+
+public class GazeDirection : MonoBehaviour
+{
+    [Header("Head and Eye-Transforms")]
+    public Transform headcam;
+    public Transform eyeLeft;
+    public Transform eyeRight;
+
+    [Header("Renderer Feature")]
+    public GazeOverlayRendererFeature overlayRendererFeature;
+
+    GazeOverlayRendererFeature.GazeRenderPass pass;
+
+    private void Awake()
+    {
+        pass = overlayRendererFeature.GetPass();
+    }
+
+    private void LateUpdate()
+    {
+        pass.gazeOrigin = (eyeLeft.position + eyeRight.position) * 0.5f; // Mittelpunkt zwischen den Augen
+        pass.gazeDirection = ((eyeLeft.forward + eyeRight.forward) * 0.5f).normalized; // Errechnete mittlere Blickrichtung
+    }
+}