Animation event not always triggered

System: Unity 4.5.2

2d Game in c#

I have a character who throws his weapon in an animation. It is realized by two animation events. The first event detaches the weapon (throw) and the second creates the new instant of the weapon. While the animation is running a bool variable is set to false (readyToThrow - in the same methode as the throw animation is started) and is set back to true once the new weapon is created (second event). In rare cases the second event is not triggerd and the character has no weapon.

I tried to reproduce it in a small project. I used the 2D Platformer (https://www.assetstore.unity3d.com/en/#!/content/11228). I increased the 'Sample' from 3 to 60 in the animation clip Shoot and added two events.

I also added code:

 public class PlayerControl : MonoBehaviour
     {
         public bool isReady = true;
     
         public void EventShot1() {
             Debug.Log("EventShot1");
         }
         
         public void EventShot2() {
             Debug.Log("EventShot2");
             isReady = true;
         }
     }
     
     public class Gun : MonoBehaviour
     {
         void Update ()
         {
             // If the fire button is pressed...
             if(Input.GetButtonDown("Fire1") && playerCtrl.isReady)
             {
                 Debug.Log("Shot0");
                 playerCtrl.isReady = false;
                 // ... set the animator Shoot trigger parameter and play the audioclip.
             }
 }

How to reproduce:

You have to move continually left and right (alternately) and shoot as fast as possible. After a short time you can't shoot because is ready is false.

Log:

Massage: Amount:

Shot0 59

EventShot1 58

EventShot2 58

Probably fix:

Change animator from 'Animate Physics' to 'Normal'. I couldn't check my game atm.

Any help would be greatly appreciated.

     void Update ()
     {    
         if(Input.GetButtonDown("Fire1") && playerCtrl.isReady)
         {
             playerCtrl.ThrowWeapon();
         }
     }
     //In the player control script...
     public bool isReady = true;
     public float throwTimer = 1.5f; // put whenever you want the throw to refresh, match the ti$$anonymous$$g up to your animation.
 
     public void ThrowWeapon(){ // this would be your EventShot1
         isReady = false;
         StartCoroutine(ThrowTimer());
     }
 
     IEnumerator ThrowTimer(){ 
         yield return new WaitForSeconds(throwTimer);
         isReady = true; // put EventShot2 here
     }