Simple Explosion Effect. Instantiate along with particles to throw nearby rigidbodies away from the explosion. Author: Opless

unity: explosion

using UnityEngine;
using System.Collections;
 
public class OnExplosionEffect : MonoBehaviour {
 
	public float radius = 5;
	public float power  = 5;
	public float upwardForce = 0;
 
	private float radiusUsed = 0.5F;
 
	// Update is called once per frame
	void FixedUpdate () 
	{
		// Applies an explosion force to all nearby rigidbodies
		Vector3 explosionPos = transform.position;
		Collider[] colliders = Physics.OverlapSphere (explosionPos, radius);
 
		foreach (Collider hit in colliders) 
		{
			if(hit == null)
				continue;
			if (hit.rigidbody)
			{
				hit.rigidbody.AddExplosionForce(power, explosionPos, radiusUsed, upwardForce);
			}
		}
		radiusUsed = ((radius-radiusUsed)/2)*Time.deltaTime;
	}
 
// Auto destroy	
public float timeOut = 1.0F;
 
void  Awake ()
{
	Invoke ("DestroyNow", timeOut);
}
 
void DestroyNow ()
{
 
	DestroyObject (gameObject);
}	
 
 
}