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Assets/Resources/Scripts/AIScripts/hover.cs

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+using UnityEngine;
+using System.Collections;
+
+public class hover : MonoBehaviour
+{
+
+    public LayerMask enemyMask;
+    public float speed = 1;
+    public bool flyPattern; // false is x-axis, true is y axis YOU HAPPY???? good
+    public float maxFlightDistance = 0; // if flight distance is 0, fly foreva, probably should never do.. lol
+    float distanceFlown;
+    Rigidbody2D myBody;
+    Transform myTrans;
+    float myWidth, myHeight;
+    float lastPos;
+   
+
+    // Use this for initialization
+    void Start()
+    {
+        myTrans = this.transform;
+        myBody = this.GetComponent<Rigidbody2D>();
+        SpriteRenderer mySprite = this.GetComponent<SpriteRenderer>();
+        myWidth = mySprite.bounds.extents.x;
+        myHeight = mySprite.bounds.extents.y;
+
+    }
+
+
+    // Update is called once per frame
+    void FixedUpdate()
+    {
+        Vector2 lineCastPos;
+        //check to see if there's something in front of us before moving forward
+        if (flyPattern == false)
+        {
+            lineCastPos = myTrans.position.toVector2() - myTrans.right.toVector2() * myWidth + Vector2.up * myHeight;
+            lineCastPos.y = lineCastPos.y - (myHeight * 1.2f);
+        }
+            
+
+        else
+        {
+            lineCastPos = myTrans.position.toVector2() - myTrans.up.toVector2() * myWidth + Vector2.right * myHeight;
+            lineCastPos.x -= myWidth;
+        }
+           
+
+        
+        Debug.DrawLine(lineCastPos, lineCastPos + Vector2.down * 0.05f);
+        bool isBlockedY = Physics2D.Linecast(lineCastPos, lineCastPos + Vector2.down * 0.05f, enemyMask);
+        Debug.DrawLine(lineCastPos, lineCastPos - myTrans.right.toVector2() * 0.05f);
+        bool isBlockedX = Physics2D.Linecast(lineCastPos, lineCastPos - myTrans.right.toVector2() * 0.05f, enemyMask);
+
+        //if hit wall on x-axis ground turn around
+        if ((isBlockedX && flyPattern == false) || (distanceFlown > maxFlightDistance && maxFlightDistance != 0 && flyPattern == false))
+        {
+            Vector3 currentRot = myTrans.eulerAngles;
+            currentRot.y += 180;
+            print(currentRot.x);
+            myTrans.eulerAngles = currentRot;
+            distanceFlown = 0;
+            print("did it");
+        }
+
+        //if hit wall on y-axis ground turn around
+        else if((isBlockedY && flyPattern == true) || (distanceFlown > maxFlightDistance && maxFlightDistance != 0 && flyPattern == true))
+        {
+            Vector3 currentRot = myTrans.eulerAngles;
+            currentRot.x += 180;
+            print(currentRot.x);
+            myTrans.eulerAngles = currentRot;
+            print(myTrans.eulerAngles);
+            distanceFlown = 0;
+            print("did it");
+        }
+
+
+
+
+
+        //Horizontal movement
+        if (flyPattern == false)
+        {
+            Vector2 myVel = myBody.velocity;
+            myVel.x = -myTrans.right.x * speed;
+            distanceFlown += Mathf.Abs(lastPos - transform.position.x);
+            //print(distanceFlown);
+            myBody.velocity = myVel;
+            lastPos = transform.position.x;
+
+        }
+        //Vertickle movement
+        if(flyPattern == true)
+        {
+            Vector2 myVel = myBody.velocity;
+            myVel.y = -myTrans.up.y * speed;
+            distanceFlown += Mathf.Abs(lastPos - transform.position.y);
+            //print(distanceFlown);
+            myBody.velocity = myVel;
+            lastPos = transform.position.y;
+        }
+       
+
+    }
+
+}

Assets/Resources/Scripts/AIScripts/hover.cs.meta

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+fileFormatVersion: 2
+guid: 7feb214d1ef985b4dac3410715f7e42c
+timeCreated: 1454129535
+licenseType: Free
+MonoImporter:
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: