added soundFX.

Assets/Music.meta

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Assets/Music/spikeHit.wav.meta

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Assets/Music/swish-1.wav.meta

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Assets/Scripts/Bullet.cs

@@ -8,6 +8,13 @@ public class Bullet : MonoBehaviour
   public bool destroyTrap = false;
   public int speed = 5;
 
+  private AudioSource audioShoot;
+  public AudioSource audioHit;
+
+  void Start()
+  {
+    audioShoot = GetComponent<AudioSource>();
+  }
 
   /// <summary>
   /// Das aufrufen, wenn die Kugel wirklich losgeschossen werden soll.
@@ -16,6 +23,7 @@ public class Bullet : MonoBehaviour
   public void shoot(Vector2 direction)
   {
     GetComponent<Rigidbody2D>().velocity = (float)speed * direction.normalized;
+    if(audioShoot)audioShoot.Play();
   }
 
   void OnTriggerEnter2D(Collider2D other)
@@ -26,8 +34,9 @@ public class Bullet : MonoBehaviour
     }
     else if (healingPoints > 0 && other.tag == "Player")
     {
+      if (audioHit) audioHit.Play();
       other.GetComponent<PlayerHealth>().changeHealthBy(healingPoints);
-      Destroy(gameObject);
+      Invoke("destroy", 0.15f);
     }
     else if (destroyTrap && other.tag == "Trap")
     {
@@ -37,4 +46,9 @@ public class Bullet : MonoBehaviour
     }
   }
 
+  void destroy()
+  {
+    Destroy(gameObject);
+  }
+
 }

Assets/Scripts/FireScript.cs

@@ -17,11 +17,13 @@ public class FireScript : MonoBehaviour
 
   public float relayDelay = 0.25f;
   private bool canRelay = true;
+  private AudioSource pickupAudio;
 
   void Start()
   {
     startScale = transform.localScale;
     spawnPosition = transform.position;
+    pickupAudio = GetComponent<AudioSource>();
   }
 
   // Update is called once per frame
@@ -44,6 +46,7 @@ public class FireScript : MonoBehaviour
       transform.localScale = startScale;
       canRelay = false;
       Invoke("enableRelay", relayDelay);
+      if (pickupAudio) pickupAudio.Play();
     }
   }
 

Assets/Scripts/PlayerControl.cs

@@ -5,10 +5,13 @@ using GamepadInput;
 
 public class PlayerControl : MonoBehaviour
 {
+  #region members
   private Rigidbody2D body2D;
   private Transform deleteAllChildrenAtRestart;
   public Transform groundCheck;
   public LayerMask mask;
+  private AudioSource swishAudio;
+  public AudioSource dashHitAudio;
 
   // movement config
   public float pushForce = 5f;
@@ -53,11 +56,12 @@ public class PlayerControl : MonoBehaviour
   public PlayerInputMapping inputMapping;
 
   public Animator dashAnimator;
-
+  #endregion
   void Start()
   {
     body2D = GetComponent<Rigidbody2D>();
     deleteAllChildrenAtRestart = GameObject.Find("ObjectsToDeleteAtRestart").transform;
+    swishAudio = GetComponent<AudioSource>();
   }
 
   public void init(int playerNumber)
@@ -82,6 +86,8 @@ public class PlayerControl : MonoBehaviour
     other.setPushSpeed(currentDashDirection * pushForce);
     lastDashStart = Time.time - dashCompletionTime;
     currentDashCoolDown = dashCollisionCoolDown;
+
+    if (dashHitAudio) dashHitAudio.Play();
   }
 
   private void setPushSpeed(Vector2 pushSpeed)
@@ -108,6 +114,7 @@ public class PlayerControl : MonoBehaviour
       //dash effect:
       dashAnimator.transform.rotation = Quaternion.FromToRotation(Vector2.right, (Vector2) currentDashDirection);
       dashAnimator.SetTrigger("play");
+      if (swishAudio) swishAudio.Play();
     }
 
     if (isDashing())

Assets/Scripts/PowerUpScript.cs

@@ -14,11 +14,18 @@ public class PowerUpScript : MonoBehaviour
   public float respawnTime = 5.0f;
   // used to store the position while the trap is deactivated
   private Vector2 realPosition;
+  private AudioSource pickupAudio;
+
+  void Start()
+  {
+    pickupAudio = GetComponent<AudioSource>();
+  }
 
   void OnTriggerEnter2D(Collider2D other)
   {
     if (other.tag == "Player")
     {
+      if (pickupAudio) pickupAudio.Play();
       other.GetComponent<PlayerControl>().setPowerUpType(type);
       destroyPowerUp();
     }

Assets/Scripts/Rocket.cs

@@ -15,13 +15,17 @@ public class Rocket : MonoBehaviour
   public Animator explosionAnimator;
   private GameObject explosion;
   private Transform objectsToDeleteAtRestart;
+  private AudioSource hitAudio;
+  public AudioSource flyAudio;
   #endregion
 
   // Use this for initialization
   void Start()
   {
+    hitAudio = GetComponent<AudioSource>();
     body = GetComponent<Rigidbody2D>();
     objectsToDeleteAtRestart = GameObject.Find("ObjectsToDeleteAtRestart").transform;
+    if(flyAudio)flyAudio.Play();
   }
 
   // Update is called once per frame
@@ -50,6 +54,9 @@ public class Rocket : MonoBehaviour
       explosion = GameObject.Instantiate(explosionAnimator.gameObject, transform.position, transform.rotation) as GameObject;
       explosion.transform.parent = objectsToDeleteAtRestart;
 
+      if (flyAudio) flyAudio.Stop();
+      hitAudio.Play();
+
       gameObject.GetComponent<SpriteRenderer>().enabled = false;
       gameObject.GetComponent<Collider2D>().enabled = false;
 

Assets/Scripts/ShieldScript.cs

@@ -15,11 +15,13 @@ public class ShieldScript : MonoBehaviour
 
   public float relayDelay = 0.25f;
   private bool canRelay = true;
+  public AudioSource pickupAudio;
 
   // Use this for initialization
   void Start()
   {
     spawnPosition = transform.position;
+    pickupAudio = GetComponent<AudioSource>();
   }
 
   void OnTriggerEnter2D(Collider2D other)
@@ -35,6 +37,7 @@ public class ShieldScript : MonoBehaviour
       parentHealth.setShield(true);
       canRelay = false;
       Invoke("enableRelay", relayDelay);
+      if (pickupAudio) pickupAudio.Play();
     }
     if (oldHealth != null && oldHealth != parentHealth) oldHealth.setShield(false);
 

Assets/Scripts/Trap.cs

@@ -16,6 +16,7 @@ public class Trap : MonoBehaviour
   private Animator destroyedEffect;
 
   private Transform deleteAllChildrenAtRestart;
+  private AudioSource audioHit;
 
   void Start()
   {
@@ -26,6 +27,8 @@ public class Trap : MonoBehaviour
 
     destroyedEffect = (GameObject.Instantiate(destroyedEffectPrefab, transform.position, transform.rotation) as GameObject).GetComponent<Animator>();
     destroyedEffect.transform.parent = deleteAllChildrenAtRestart.transform;
+
+    audioHit = GetComponent<AudioSource>();
   }
 
   void OnTriggerEnter2D(Collider2D other)
@@ -34,6 +37,7 @@ public class Trap : MonoBehaviour
     {
       other.GetComponent<PlayerHealth>().changeHealthBy(-damagePoints);
       hitEffect.SetTrigger("play"); //play animation.
+      if(audioHit) audioHit.Play();
       destroyTrap();
     }
   }

Assets/Scripts/TrapDestroyer.cs

@@ -5,6 +5,12 @@ public class TrapDestroyer : MonoBehaviour
 {
   public float respawnTime = 5.0f;
   private Vector2 realPosition;
+  private AudioSource audio;
+
+  void Start()
+  {
+    audio = GetComponent<AudioSource>();
+  }
 
   void OnTriggerEnter2D(Collider2D other)
   {
@@ -31,6 +37,7 @@ public class TrapDestroyer : MonoBehaviour
         if (bestTrap != null)
         {
           bestTrap.GetComponent<Trap>().destroyTrapWithEffect();
+          if(audio)audio.Play();
         }
       }