Check out example codes for "play sound on collision unity c#". It will help you in understanding the concepts better.
Code Example 1
void Start ()
{
saw = GameObject.FindObjectOfType<AudioSource>();
}
void Update ()
{
}
void OnCollisionEnter(Collision col)
{
if(col.gameObject)
{
saw.Play();
Debug.Log("Nurrrr");
}
}
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