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Question by igotsars · Mar 03, 2018 at 08:32 PM · c#transformpositionlerp

Lerp to where the target was x seconds ago?

I want to store the position of where the target was x seconds ago and Lerp to it. The logic should repeat itself every time the counter reaches 150. I am having issues where the projectile is homing in on the target which is not the intended effect. Please help me execute the above logic.

     void Start()
     {
         counter = 0;
         lerpTime = 0;
     }
 
 
     void Update()
     {
         Shoot();
     }
 
     Transform LastKnownPosition(Transform lastPos)
     {
         float timePos = 0;//Time starts at 0
         timePos += Time.deltaTime;//Time will increment
 
         if (timePos >= 2) //if time is equal to 2
         {
             //grab the position of the target
             lastPos.position = target.position;
             //reset to 0
             timePos = 0;
         }
 
         //lock that position
         return lastPos;
     }
 
     void Shoot()
     {
         counter++;
         lerpTime += Time.deltaTime / timeFrame;
 
         if (counter == 150)
         {
             currentProjectile = Instantiate(projectile) as GameObject;
             move = true;
             counter = 0;
         }
        
         if (counter < 140)
         {
             currentProjectile.transform.position = Vector2.Lerp(barrel.transform.position, /*Last Known Position*/, lerpTime);
             Debug.DrawLine(barrel.transform.position, target.position);
         }
     }    
 
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