在 Swift 3 中获取 SKSpriteNode 的文件名 [英] Getting the filename of an SKSpriteNode in Swift 3

问题描述

如何从 SKSpriteNode 访问图像文件名?我一直在尝试谷歌这个，但似乎没有答案.这是我的代码中无效的部分:

How can I access the image filename from an SKSpriteNode? I have been trying to Google this, but no answer seems to be available. Here is the impotent part of my code:

current_ingredient?.name = String(describing: current_ingredient?.texture)

print("Filename: \(current_ingredient?.name)")

打印命令返回:

Filename: Optional("Optional(<SKTexture> \'ingredient14\' (110 x 148))")

那么，问题是，我如何只获得ingredient14"?

So, the question is, how do I get only "ingredient14"?

推荐答案

它存储在描述中，所以这里有一个很好的小扩展，我把它撕掉了.

It is stored in the description, so here is a nice little extension I made to rip it out.

extension SKTexture
{
    var name : String
    {
        return self.description.slice(start: "'",to: "'")!
    }
}

extension String {
    func slice(start: String, to: String) -> String? 
    {

        return (range(of: start)?.upperBound).flatMap 
        { 
          sInd in
            (range(of: to, range: sInd..<endIndex)?.lowerBound).map 
            {
                eInd in
                substring(with:sInd..<eInd)

            }
        }
    }
}
usage:

print(sprite.texture!.name)

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