Component.SendMessageUpwards 向上发送消息

function SendMessageUpwards (methodName : string, value : object = null, options : SendMessageOptions = SendMessageOptions.RequireReceiver) : void


Calls the method named methodName on every MonoBehaviour in this game object and on every ancestor of the behaviour



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


using UnityEngine;

using System.Collections;

public class example : MonoBehaviour {

	void ApplyDamage(float damage) {



	public void Awake() {

		SendMessageUpwards("ApplyDamage", 5.0F);


// Calls the function ApplyDamage with a value of 5

//调用函数ApplyDamage 值为5

SendMessageUpwards ("ApplyDamage", 5.0);

// Every script attached to the game object

// that has a ApplyDamage function will be called.


function ApplyDamage (damage : float) {

	print (damage);

Page last updated: 2010-12-13