how to teleport to a prefab and then destroying it

Question

Hi,

I want to make a basic game mechanic which is player teleports to a position of a dagger he throws. My problem is when i instantiate the dagger it doesn't move and when i teleport it teleports to the initial position of the dagger.

My code as it follows;

 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
 
 public class UseDagger : MonoBehaviour
 {
     public GameObject daggerPrefabs;
     public bool isDaggerEquipped;
     Vector3 offset;
     // Start is called before the first frame update
     void Start()
     {
         isDaggerEquipped = true;
         offset = new Vector3(0.4f, 0, 0.2f);
     }
 
     // Update is called once per frame
     void Update()
     {
         if(Input.GetKeyDown(KeyCode.Space) && isDaggerEquipped)
         {
             Instantiate(daggerPrefabs, transform.position + offset, Quaternion.identity);   
             daggerPrefabs.transform.Translate(Vector3.forward * Time.deltaTime, Space.Self);
             isDaggerEquipped = false;
 
         }
 
         if(Input.GetKeyDown(KeyCode.Space) && !isDaggerEquipped)
         {
             transform.position = daggerPrefabs.transform.position;
             isDaggerEquipped = true;
             
         }
     }
 }

And also i want to destroy or remove the dagger player threw so there can't be more than one dagger at the scene but Unity doesn't allow me to destroy prefabs to avoid data loss by destroying asset as it says.

Could you please help me about that?

Answer 1

Best Answer

Answer by ChandlerFreeman · Jan 10 at 10:31 AM

Hello! I think I understand what you want, here's some untested code, but it should work (for 2D at least)

 //This is similar to public but you can't change it from other scripts (feel free to change it)
         [SerializeField] private float Force;
 
         //Have to set a reference to the spawned Dagger
         GameObject SpawnedDagger = 
         Instantiate(daggerPrefabs, transform.position + offset, Quaternion.identity);

 
         //Gets direction (from mouse) to know where to launch it to
         Vector3 mousePos = Camera.main.ScreenToWorldPoint(Input.mousePosition);
         Vector2 direction = (Vector2)mousePos - (Vector2)transform.position;
 
         //Adds force to Rigidbody, is affected by mass and drag
         SpawnedDagger.GetComponent<Rigidbody2D>().AddForce(direction * Force, ForceMode2D.Impulse);

And to teleport to it, you can

 transform.position = SpawnedDagger.transform.position;

@rez186

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YusufAfacan · Jan 10 at 12:00 PM 0

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Thanks for the answer chanwolf.

CodesCove · Jan 11 at 09:49 AM 1

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just note that Vector2 direction = (Vector2)mousePos - (Vector2)transform.position; should be Vector2 direction = ((Vector2)mousePos - (Vector2)transform.position).normalized; Otherwise the direction will have magnitude other than 1 and will affect the Addforce "power".

how to teleport to a prefab and then destroying it

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