added new enemy prefab, reconfigured enemy patrol script

enemy patrol now contains option for vertical movement

Assets/Scripts/EnemyPatrol.cs

@@ -4,11 +4,23 @@ using UnityEngine;
 
 public class EnemyPatrol : MonoBehaviour {
 
-    public bool pinned = false;
-    public float range;
+    [HideInInspector] public bool pinned = false;
+    
+    [Header("Horizontal")]
+    public bool isHorizontal;
+    public float rangeHorizontal;
     public float xLeft;
     public float xRight;
-    public Vector2 movementVector = Vector2.right;
+    public Vector2 movementVectorHorizontal = Vector2.right;
+
+    [Header("Vertical")]
+    public bool isVertical;
+    public float rangeVertical;
+    public float yUp;
+    public float yDown;
+    public Vector2 movementVectorVertical = Vector2.up;
+
+    [Header("General")]
     public float moveSpeed;
     Animator animator;
 
@@ -18,19 +30,32 @@ public class EnemyPatrol : MonoBehaviour {
 
     // Start is called before the first frame update
     void Start() {
-        xLeft = transform.position.x - range;
-        xRight = transform.position.x + range;
-        movementVector *= moveSpeed;
+        xLeft = transform.position.x - rangeHorizontal;
+        xRight = transform.position.x + rangeHorizontal;
+
+        yDown = transform.position.y - rangeVertical;
+        yUp = transform.position.y + rangeVertical;
+
+        movementVectorHorizontal *= moveSpeed;
+        movementVectorVertical *= moveSpeed;
     }
 
     // Update is called once per frame
     void Update() {
         if (!pinned) {
-            if (transform.position.x >= xRight || transform.position.x <= xLeft) {
-                movementVector = -movementVector;
-                GetComponent<SpriteRenderer>().flipX = !GetComponent<SpriteRenderer>().flipX;
+            if (isHorizontal) {
+                if (transform.position.x >= xRight || transform.position.x <= xLeft) {
+                    movementVectorHorizontal = -movementVectorHorizontal;
+                    GetComponent<SpriteRenderer>().flipX = !GetComponent<SpriteRenderer>().flipX;
+                }
+                transform.position += new Vector3(movementVectorHorizontal.x, 0, 0) * Time.deltaTime;
+            }
+            if (isVertical) {
+                if (transform.position.y >= yUp || transform.position.y <= yDown) {
+                    movementVectorVertical = -movementVectorVertical;
+                }
+                transform.position += new Vector3(0, movementVectorVertical.y, 0) * Time.deltaTime;
             }
-            transform.position += new Vector3(movementVector.x, 0, 0) * Time.deltaTime;
         }
     }
 
@@ -45,6 +70,11 @@ public class EnemyPatrol : MonoBehaviour {
 
     void OnDrawGizmos() {
         Gizmos.color = Color.green;
-        Gizmos.DrawLine(new Vector3(transform.position.x - range, transform.position.y, transform.position.z), new Vector3(transform.position.x + range, transform.position.y, transform.position.z));
+        if (isHorizontal){
+            Gizmos.DrawLine(new Vector3(transform.position.x - rangeHorizontal, transform.position.y, transform.position.z), new Vector3(transform.position.x + rangeHorizontal, transform.position.y, transform.position.z));
+        }
+        if (isVertical) {
+            Gizmos.DrawLine(new Vector3(transform.position.x, transform.position.y - rangeVertical, transform.position.z), new Vector3(transform.position.x, transform.position.y + rangeVertical, transform.position.z));
+        }
     }
 }