How to detect collisions in C#

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So before I begin I'm new to coding. As it says in the title I'm trying to detect a collision in C#. What I'm trying to do is when two colliders collide it causes a float variable to go down a certain amount. So for example a sword hits an enemy and causes its life to go down. Would I use OnCollisionEnter, OnTriggerEnter, or something else? And how would I go about using whichever one I need? Thank you in advance for the help!

Answer 1

Best Answer

Answer by clunk47 · Jan 01, 2013 at 07:02 PM

Read the script reference... OnCollisionEnter, or OnTriggerEnter. You can change the example to C# on the script refs.

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Answer 2

Answer by animationanalyst · May 29, 2013 at 11:27 AM

have used this in a game where the villain game object will destroy when it gets hit by the bullet gameobject.*

Note: The velocity of the bullet must be less like 200. Unless unity cannot calculate the trigger function.

using UnityEngine; using System.Collections;

public class smallvillianhealth : MonoBehaviour { public int health = 100;

 void Start () 
 {
 }
 
 void Update () 
 {
  }
 
 void OnTriggerEnter(Collider other)
 {
    if(other.gameObject.tag=="bullet")
     Destroy(gameObject);    
 }

}

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How to detect collisions in C#

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