GameObject.BroadcastMessage

説明

ゲームオブジェクトまたは子オブジェクトにあるすべての MonoBehaviour を継承したクラスにある methodName 名のメソッドを呼び出します。

The receiving method can choose to ignore parameter by having zero parameters. If options is set to SendMessageOptions.RequireReceiver an error is printed when the message is not picked up by any component.

using UnityEngine;

public class Example : MonoBehaviour
{
    void Start()
    {
        /// Calls the function ApplyDamage with a value of 5
        /// // Every script attached to the game object and all its children
        // that has a ApplyDamage function will be called.
        gameObject.BroadcastMessage("ApplyDamage", 5.0);
    }
}


public class Example2 : MonoBehaviour
{
    public void ApplyDamage(float damage)
    {
        print(damage);
    }
}