Unity Physical Explosion Script

Explosion.cs

// Author : github.com/farukcan
// Usage :
// explosion.Explode();
// or enable explodeOnStart before instantiation

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class Explosion : MonoBehaviour
{
    public bool explodeOnStart = false;
    public float radius = 1f;
    public float power = 1f;
    public float upwardForce = 1f;
    public bool haptic = false;


#if UNITY_EDITOR
    private void OnDrawGizmos()
    {
        Gizmos.DrawWireSphere(transform.position, radius);
    }
#endif

    private void Start()
    {
        if (explodeOnStart)
        {
            Explode();
        }
    }

    public void Explode()
    {
        Debug.Log(name + " Explosion");
        Vector3 explosionPos = transform.position;
        foreach (var col in Physics.OverlapSphere(transform.position, radius))
        {
            Rigidbody rb = col.GetComponent<Rigidbody>();

            if (rb != null)
                rb.AddExplosionForce(power, explosionPos, radius, upwardForce);
        }
        if (haptic)
        {
            // Requires Haptic : https://github.com/farukcan/unity-utilities
            Haptic.MediumTaptic();
        }
    }
}