Added NoTrail, Slowmotion and BulletFreezeRemove Pickups

Also refactored Extinguisher to remove particles from the end (still wonky though)

Assets/Scripts/Game/Pickup.cs

@@ -4,6 +4,7 @@ using UnityEngine;
 
 public class Pickup : MonoBehaviour
 {
+    protected bool pickedUp = false;
     public virtual void OnPickup()
     {
 
@@ -14,8 +15,18 @@ public class Pickup : MonoBehaviour
         Debug.Log("Pickup");
         if (other.gameObject.tag == "Player")
         {
+            pickedUp = true;
             OnPickup();
-            Destroy(gameObject);
         }
     }
+
+    //Draw text gizmo in editor to show class name
+    void OnDrawGizmos()
+    {
+        //get curren class name
+        string className = this.GetType().ToString();
+        GUI.color = Color.blue;
+
+        UnityEditor.Handles.Label(transform.position, className);
+    }
 }