Change behavior of trap destroyers

Assets/Scripts/PlayerControl.cs

@@ -237,7 +237,6 @@ public class PlayerControl : MonoBehaviour
 
   public const int POWERUP_NONE = 0;
   public const int POWERUP_HEALINGBULLET = 1;
-  public const int POWERUP_TRAPDESTROYER = 2;
 
   private int powerUpType = POWERUP_NONE;
 
@@ -246,7 +245,6 @@ public class PlayerControl : MonoBehaviour
   public float coolDownTime = 2.0f;
 
   public GameObject healingBulletPrefab;
-  public GameObject trapDestroyingBulletPrefab;
 
   /// <summary>
   /// Falls das im Editor falsch ist: Auf 0.2 setzen.
@@ -269,10 +267,6 @@ public class PlayerControl : MonoBehaviour
         GameObject bullet = Instantiate(healingBulletPrefab, pos, transform.rotation) as GameObject;
         bullet.GetComponent<Bullet>().shoot(new Vector2(dir, 0));
         break;
-      case POWERUP_TRAPDESTROYER:
-        GameObject trapbullet = Instantiate(trapDestroyingBulletPrefab, pos, transform.rotation) as GameObject;
-        trapbullet.GetComponent<Bullet>().shoot(new Vector2(dir, 0));
-        break;
       default:
         break;
     }

Assets/Scripts/PowerUpScript.cs

@@ -8,7 +8,6 @@ public class PowerUpScript : MonoBehaviour
   /// sollte übereinstimmen mit PlayerControl.POWERUP_XXX
   /// 0 == none
   /// 1 == Heal
-  /// 2 == destroyTrap
   /// </summary>
   public int type;
 

Assets/Scripts/TrapDestroyer.cs

+using UnityEngine;
+using System.Collections;
+
+public class TrapDestroyer : MonoBehaviour
+{
+  public float respawnTime = 5.0f;
+  private Vector2 realPosition;
+
+  void OnTriggerEnter2D(Collider2D other)
+  {
+    if (other.tag == "Player")
+    {
+      GameObject bestTrap = null;
+      float bestDistance = float.PositiveInfinity;
+      GameObject[] traps = GameObject.FindGameObjectsWithTag("Trap");
+      foreach (GameObject player in GameObject.FindGameObjectsWithTag("Player"))
+      {
+        if (player == other.gameObject)
+          continue;
+
+        foreach (GameObject trap in traps)
+        {
+          float distance = (player.transform.position - trap.transform.position).magnitude;
+          if (distance < bestDistance)
+          {
+            bestTrap = trap;
+            bestDistance = distance;
+          }
+        }
+
+        if (bestTrap != null)
+        {
+          bestTrap.GetComponent<Trap>().destroyTrap();
+        }
+      }
+
+      DestroyPowerUp();
+    }
+  }
+
+  void DestroyPowerUp()
+  {
+    realPosition = transform.position;
+    transform.position = new Vector2(1000, 1000);
+    Invoke("Activate", respawnTime);
+  }
+
+  void Activate()
+  {
+    transform.position = realPosition;
+  }
+}

Assets/Resources/Prefabs/TrapDestroyBullet.prefab.meta → Assets/Scripts/TrapDestroyer.cs.meta

 fileFormatVersion: 2
-guid: 84f3fefc4de4fd24982fdd4f908396bb
-timeCreated: 1433440862
+guid: cf4e7b5b5976d4f4fa88ca684f750e96
+timeCreated: 1433541614
 licenseType: Free
-NativeFormatImporter:
+MonoImporter:
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
   userData: 
   assetBundleName: 
   assetBundleVariant: