healthbar implemented (for player one)

Assets/Prefabs/Trap.prefab.meta

 fileFormatVersion: 2
 guid: 5fcd7bbd646a82a4b9e4aa5229a903e3
-timeCreated: 1433444182
+timeCreated: 1433446182
 licenseType: Free
 NativeFormatImporter:
   userData: 

Assets/Prefabs/UI.prefab.meta

+fileFormatVersion: 2
+guid: e0d90fce50c24884c8d83b9d365a5fe3
+timeCreated: 1433446163
+licenseType: Free
+NativeFormatImporter:
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Scripts/PlayerHealth.cs

 using UnityEngine;
 using System.Collections;
+using UnityEngine.UI;
 
 public class PlayerHealth : MonoBehaviour {
 
@@ -7,6 +8,7 @@ public class PlayerHealth : MonoBehaviour {
 
     public int currentHealth = 100;
     private bool alive = true;
+    public Scrollbar healthbar;
 
 
 	// Update is called once per frame
@@ -29,6 +31,16 @@ public class PlayerHealth : MonoBehaviour {
     public void setHealth(int newHealth)
     {
         currentHealth = (newHealth > maxHealth) ? maxHealth : newHealth;
+        updateHealthbar();
+    }
+
+    //updated die ui healthbar.
+    private void updateHealthbar()
+    {
+        if (healthbar)
+        {
+            healthbar.size = (float)currentHealth / (float)maxHealth;
+        }
     }
 
     /// <summary>
@@ -39,6 +51,7 @@ public class PlayerHealth : MonoBehaviour {
     {
         currentHealth += h;
         if (currentHealth > maxHealth) currentHealth = maxHealth;
+        updateHealthbar();
     }
 
 }

Assets/Scripts/Trap.cs

@@ -7,8 +7,10 @@ public class Trap : MonoBehaviour {
 
     void OnTriggerEnter2D(Collider2D other)
     {
+        Debug.Log("trigg");
         if (other.tag == "Player")
         {
+            Debug.Log("player col");
             other.GetComponent<PlayerHealth>().changeHealthBy(-damagePoints);
             transform.position = new Vector2(50, 50);//TODO setze auf 1000 oder so, zur sicherheit.
         }