diff --git a/Assets/Prefabs/LinearAsteroid.prefab b/Assets/Prefabs/LinearAsteroid.prefab
@@ -0,0 +1,219 @@
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diff --git a/Assets/Prefabs/CirclingAsteroid.prefab.meta → Assets/Prefabs/LinearAsteroid.prefab.meta b/Assets/Prefabs/CirclingAsteroid.prefab.meta → Assets/Prefabs/LinearAsteroid.prefab.meta
diff --git a/Assets/Resources/Asteroid_tail.png b/Assets/Resources/Asteroid_tail.png
diff --git a/Assets/Resources/Asteroid_tail.png.meta b/Assets/Resources/Asteroid_tail.png.meta
diff --git a/Assets/Scenes/ColorSwitch.unity b/Assets/Scenes/ColorSwitch.unity
diff --git a/Assets/Scripts/BulletCtrl.cs b/Assets/Scripts/BulletCtrl.cs
@@ -44,31 +44,33 @@ void OnBecameInvisible()
 
     void OnCollisionEnter2D(Collision2D other)
     {
-        if (gameObject.GetComponent<ColoredObject>().color == other.gameObject.GetComponent<ColoredObject>().color)
-        {
-            Destroy(gameObject);
-            Destroy(other.gameObject);
-        }
-        // get the point of contact
-        ContactPoint2D contact = other.contacts[0];
-
-        // reflect our old velocity off the contact point's normal vector
-        Vector3 reflectedVelocity = Vector3.Reflect(oldVelocity, contact.normal);
-
-        // assign the reflected velocity back tohe rigidbody
-        r2d.velocity = reflectedVelocity;
-        // rotate the object by the same ammount we changed its velocity
-        Quaternion rotation = Quaternion.FromToRotation(oldVelocity, reflectedVelocity);
-        transform.rotation = rotation * transform.rotation;
-
-
     }
 
     void OnTriggerEnter2D(Collider2D other)
     {
+        if(other.GetComponent<EnemyScript>() == null) { 
         if (other.GetComponent<ColoredObject>() != null)
             gameObject.GetComponent<ColoredObject>().SetColor(other.GetComponent<ColoredObject>().color);
         if (other.gameObject.name.Equals("StartGameButton"))
             SceneManager.LoadScene(sceneName);
+        }
+        else
+        {
+            if (gameObject.GetComponent<ColoredObject>().color == other.gameObject.GetComponent<ColoredObject>().color)
+            {
+                Destroy(gameObject);
+                Destroy(other.gameObject);
+            }
+            // get the point of contact
+
+            // reflect our old velocity off the contact point's normal vector
+            Vector3 reflectedVelocity = Vector3.Reflect(oldVelocity, other.transform.position.normalized);
+
+            // assign the reflected velocity back tohe rigidbody
+            r2d.velocity = reflectedVelocity;
+            // rotate the object by the same ammount we changed its velocity
+            Quaternion rotation = Quaternion.FromToRotation(oldVelocity, reflectedVelocity);
+            transform.rotation = rotation * transform.rotation;
+        }
     }
 }
diff --git a/Assets/Scripts/LinearMovement.cs b/Assets/Scripts/LinearMovement.cs
@@ -0,0 +1,24 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class LinearMovement : MonoBehaviour {
+    private Rigidbody2D r2d;
+    public float degree;
+    public float speed;
+    private Vector3 oldVelocity;
+    public GameObject bullet;
+    // Use this for initialization
+    void Start () {
+        r2d = GetComponent<Rigidbody2D>();
+        Vector3 dest = new Vector3(Mathf.Cos(degree), Mathf.Sin(degree), 0f);
+        Vector3 dif = dest - transform.position.normalized;
+        transform.rotation = Quaternion.Euler(0f, 0f, 360 - degree);
+        r2d.AddForce(transform.up * speed * 10, ForceMode2D.Impulse);
+    }
+
+    // Update is called once per frame
+    void Update () {
+        oldVelocity = r2d.velocity;
+    }
+}
diff --git a/Assets/Scripts/LinearMovement.cs.meta b/Assets/Scripts/LinearMovement.cs.meta
diff --git a/ProjectSettings/TagManager.asset b/ProjectSettings/TagManager.asset
@@ -13,7 +13,7 @@ TagManager:
   - UI
   - 
   - 
-  - above image
+  - Asteroids
   - 
   - 
   -