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Question by thevvulf · Nov 18, 2020 at 03:57 AM · c#2dtilemapcollision2d

How can I find the name of the tile that I collided with in 2d?

I'm trying to make a game where you can farm metals. I'm just using the standard tile system where I have 20 tiles. One is grass, the others are metal plants and the seeds for them. Say I want it where if I collide with a bronze plant, I can do something, such as Debug.Log("Bronze") for starters? This is all I have for now, it is currently doing nothing when I hit the bronze plant, so not very useful.

 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
 
 public class FindPlant : MonoBehaviour
 {
     void OnCollisionEnter(Collision col)
     {
         if (col.gameObject.name == "tilemap_1")
         {
              Debug.Log("Bronze");
         }
     }
 }
 
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avatar image MurphyMurph_21 · Nov 18, 2020 at 05:09 AM 0
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What exactly do you want to do? It seems like you already know what to do

avatar image thevvulf MurphyMurph_21 · Nov 18, 2020 at 09:42 AM 0
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Right now nothing happens. I've tried naming the tile bronze, I've fidgeted with adding colliders, triggers, etc, but it hasn't worked. Basically I am clueless as to what to try, what do you think I could be doing wrong or should try?

avatar image xxmariofer thevvulf · Nov 18, 2020 at 09:44 AM 0
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before checking if its colliding with te tilemap_1 add a log outside the if. to collision to happen both need colliders (both 2d or both 3d) and atleast one rigidbody. also none of the gameobjects can have the istrigger ticked

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Answer by Crakker1337 · Nov 18, 2020 at 09:10 PM

You must have at least one rigidbody attached in order to OnCollisionEnter work. (Source)

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