Question

我在Swift中制作一个简单的SpriteKit游戏。我做了一个文件＆＃34; EmemyAppear.swift＆＃34;并把它放在一个类和一个函数。这就是这个文件中的内容：

import Foundation
class EnemyAppear {
var nowAppear = false
var waitToAppear = UInt32(0)
var appearInterval = UInt32(0)
init(nowAppear:Bool, waitToAppear:UInt32, appearInterval:UInt32) {
    self.nowAppear = nowAppear
    self.waitToAppear = waitToAppear
    self.appearInterval = appearInterval
}

func shouldRun() -> Bool {
    return self.appearInterval > self.waitToAppear
}

}

然后我在我的主要场景中制作了一本字典：

var enemyStatus:Dictionary<String,EnemyAppear> = [:]`

之后，我尝试联系EnemyAppear.swift中的变量和函数，如下所示：

func enemyRun() {
    for(enemy, enemyAppear) in self.enemyStatus {
    var thisPet = self.childNodeWithName(enemy)!
        if enemyStatus.shouldRun() {
            enemyStatus.waitToAppear = random()
            enemyStatus.appearInterval = 0
            enemyStatus.nowAppear = true
        }
    }
}

但Xcode告诉我例如Dictionary <String, EnemyAppear> doesn't have a member named 'shouldRun' 但确实如此。我做错了什么？

Answer 1

if enemyStatus.shouldRun()

enemyStatus是一个Dictionary，而不是EnemyAppear，然后它没有名为'shouldRun'的成员。它应该是

if enemyAppear.shouldRun()

为什么我不能在Xcode中联系外部.swift文档

1 个答案: