updated

Assets/Scripts/Darkness/VectorFieldHandler.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.VFX;
+
+public class VectorFieldHandler : MonoBehaviour
+{
+    [SerializeField]
+    private float avoidanceDist;
+    [SerializeField]
+    private List<Vector3> avoidances;
+    [SerializeField]
+    private Vector3 size;
+
+    private Texture3D vField;
+    [SerializeField]
+    private VisualEffect effect;
+
+    // Start is called before the first frame update
+    void Start()
+    {
+        vField = new Texture3D((int)size.x, (int)size.y, (int)size.z, TextureFormat.RFloat, 0);
+        for(int x = 0;x<size.x;x++)
+        {
+            for(int y = 0; y < size.y; y++)
+            {
+                for(int z = 0; z<size.z; z++)
+                {
+                    vField.SetPixel(x, y, z, new Color(1, 0, 0, 0));
+                }
+            }
+        }
+        //vField.SetPixel(0, 0, 0, new Color(1, 0, 0, 0));
+        effect.SetTexture("VectorField", vField);
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+        
+    }
+}

Assets/Scripts/Darkness/VectorFieldHandler.cs.meta

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+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
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