using UnityEngine;

public class ExplosionEffect : MonoBehaviour
{
    [Header("爆炸设置")]
    public float explosionForce = 10f;        // 爆炸力度
    public float explosionRadius = 5f;        // 爆炸范围
    public float upwardForce = -5f;           // 向上的力
    public float destroyDelay = 10f;          // 碎片销毁延迟
    public float rotationForce = 5f;          // 旋转力度

    private void Awake()
    {
        // 获取所有子物体的Rigidbody组件
        Rigidbody[] fragments = GetComponentsInChildren<Rigidbody>();
        
        // 计算所有碎片的中心点
        Vector3 centerPoint = Vector3.zero;
        foreach (Rigidbody fragment in fragments)
        {
            if (fragment != null)
            {
                centerPoint += fragment.transform.position;
            }
        }
        centerPoint /= fragments.Length;

        foreach (Rigidbody fragment in fragments)
        {
            // 确保每个碎片都有Rigidbody组件
            if (fragment != null)
            {
                // 添加爆炸力，使用计算出的中心点
                fragment.AddExplosionForce(
                    explosionForce,
                    centerPoint,
                    explosionRadius,
                    upwardForce,
                    ForceMode.Impulse
                );

                // 添加随机旋转
                Vector3 randomRotation = new Vector3(
                    Random.Range(-rotationForce, rotationForce),
                    Random.Range(-rotationForce, rotationForce),
                    Random.Range(-rotationForce, rotationForce)
                );
                fragment.AddTorque(randomRotation, ForceMode.Impulse);

                // 延迟销毁碎片
                Destroy(fragment.gameObject, destroyDelay);
            }
        }

        // 销毁父物体
        Destroy(gameObject, destroyDelay);
    }
}