WaitForSeconds 等待秒数

Inherits from YieldInstruction

Suspends the coroutine execution for the given amount of seconds.

在给定的秒数内，暂停协同程序的执行。

WaitForSeconds can only be used with a yield statement in coroutines.

在coroutine中WaitForFixedUpdate只能用于yield声明。

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
	public IEnumerator Awake() {
		print(Time.time);
		yield return new WaitForSeconds(5);
		print(Time.time);
	}
}

// Prints 0
print (Time.time);
// Waits 5 seconds 等待5秒
yield WaitForSeconds (5);
// Prints 5.0
print (Time.time);

Constructors构造器

• WaitForSeconds
  Creates a yield instruction to wait for a given number of seconds